Sewage sludge refers to the residual, semi-solid material that is produced as a by-product during sewage treatment of industrial or municipal wastewater. The term septage is also referring to sludge from simple wastewater treatment but is connected to simple on-site sanitation systems, such as septic tanks.
When fresh sewage or wastewater enters a primary settlingtank, approximately 50% of the suspended solid matter will settle out in an hour and a half. This collection of solids is known as raw sludge or primary solids and is said to be "fresh" before anaerobic processes become active. The sludge will become putrescent in a short time once anaerobic bacteria take over, and must be removed from the sedimentation tank before this happens.
This is accomplished in one of two ways. In an Imhoff tank, fresh sludge is passed through a slot to the lower story or digestion chamber where it is decomposed by anaerobic bacteria, resulting in liquefaction and reduced volume of the sludge. After digesting for an extended period, the result is called "digested" sludge and may be disposed of by drying and then landfilling. More commonly with domestic sewage, the fresh sludge is continuously extracted from the tank mechanically and passed to separate sludge digestion tanks that operate at higher temperatures than the lower story of the Imhoff tank and, as a result, digest much more rapidly and efficiently.
You may often wonder, where does all our poop go?
Treating our sewage water & returning it to the environment is very costly. The bulk of the cost actually comes from treating sludge, a semi-solid byproduct of sewage treatment. It accounts for almost 40-60% of the total cost to treat sewage water.
So, what is sludge???
Most traditional technologies used to treat our domestic wastewater use a process called Activated Sludge. This process actively creates a semi-solid slurry consisting of bacteria, nutrients, and potentially hazardous wastes known as "sludge". Once this sludge settles, treated water can be returned back to the environment. However, the excess sludge left behind has to go through a separate and costly series of steps to remove the concentrated toxins within.
------------...
published: 10 Mar 2021
WasteWater Treatment Plant • From Beginning to End
published: 04 Aug 2021
Secondary treatment of sewage
During the secondary treatment of sewage, bacteria are used to reduce nutrients in the wastewater.
This occurs in the activated sludge plant, where different types of bacteria exist in aerobic (with added oxygen) and anoxic (without added oxygen) environments, which are side by side. These micro-organisms break down organic materials and remove ammonia at both the Eastern Treatment Plant and the Western Treatment Plant. Ammonia is first converted to nitrates and finally to nitrogen gas that is released into our air.
The water then passes through sedimentation tanks where more sludge is removed and treated secondary effluent is produced.
published: 26 May 2016
Where Does Your Sewage Go? | I Didn't Know That
Visit the Becton Sewage Treatment Works—one of Europe's biggest plants—which processes sewage from 3.4 million Londoners into water clean enough to return to the Thames.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
#NationalGeographic #Sewage #IDidntKnowThat
About I Didn't Know That:
Two industrial scientists, Richard Ambrose and Jonny Phillips, explain the science behind everyday life... from microwave ovens to beating a lie detector.
Get More National Geographic:
Official Site: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographer...
published: 28 May 2013
ToSynFuel Turning sewage sludge into fuels
The construction of a large-scale plant for the production of biofuels from sewage sludge is progressing (is going on) in Hohenburg in the district of Amberg-Sulzbach.
Commissioning is planned for the beginning of 2020.
The demonstration plant, integrating TCR/HDO/PSA technologies, will be able to convert 500 kg of dried sewage sludge per hour into around 50 litres of diesel and petrol as final products.
In addition to a high-quality oil as an intermediate product for fuel production, the TCR process produces gas with hydrogen and biochar.
For further information, please visit the project website: http://www.tosynfuel.eu and the twitter account @tosynfuel.
published: 26 Jul 2019
How do wastewater treatment plants work?
Wastewater treatment involves the removal of impurities from wastewater, or sewerage, before they reach aquifers or natural water bodies, such as lakes, rivers, and oceans.
published: 17 May 2020
How NYC’s Sewage System Treats 1.3 Billion Gallons Of Wastewater - NYC Revealed
Underneath the ground of New York's fabled streets exists a vast network of pipes that make up the city's sewer system. New Yorkers create, on average, 1.3 billion gallons of wastewater per day that makes its way through these 7,500 miles of pipes.
Join Cheddar & CuriosityStream as we explore the unique histories and modern challenges, defining the future of each of New York City's one-of-a-kind infrastructure systems, in NYC Revealed.
Watch 13 minute versions here on Cheddar's YouTube page. You can also watch the full 24 minute episodes on CuriosityStream and on Cheddar's live network Wednesdays, at 9 p.m.
Full episodes here:
https://curiositystream.com/series/740
Subscribe to Cheddar on YouTube: http://chdr.tv/subscribe
Connect with Cheddar!
On Facebook: http://chdr.tv/faceboo...
published: 27 Jan 2022
Septic Tank Hasn’t Been Opened in 30 Years 😳 #shorts
published: 19 Jan 2023
Zurich Werdhoelzli: How does a sewage treatment plant work?
published: 08 Oct 2020
Sewage Sludge Dewatering in Tijuana, Mexico
At over 70 percent of total costs, transport and disposal are by far the greatest cost items in sludge dewatering. The selection of a high-performance dewatering system is therefore extremely important, and presents municipal sewage treatment plants with a purchasing decision with serious consequences.
This was exactly the decision that the operators of the sewage treatment plant Fraccionamiento Bosques de Natura in Tijuana, Mexico faced. This sewage treatment plant, which handles the wastewater of the city of the same name, processes primary and surplus sludge from 7,200 residential units. In 2015, they decided to purchase the Flottweg HTS® Decanter C3E.
Its advantages over other processes and machines:
• Greater sedimentation volumes (due to the deep pond and steep cone) permits a high...
You may often wonder, where does all our poop go?
Treating our sewage water & returning it to the environment is very costly. The bulk of the cost actually co...
You may often wonder, where does all our poop go?
Treating our sewage water & returning it to the environment is very costly. The bulk of the cost actually comes from treating sludge, a semi-solid byproduct of sewage treatment. It accounts for almost 40-60% of the total cost to treat sewage water.
So, what is sludge???
Most traditional technologies used to treat our domestic wastewater use a process called Activated Sludge. This process actively creates a semi-solid slurry consisting of bacteria, nutrients, and potentially hazardous wastes known as "sludge". Once this sludge settles, treated water can be returned back to the environment. However, the excess sludge left behind has to go through a separate and costly series of steps to remove the concentrated toxins within.
---------------------------------------------------------------------------------------------------------------------------
What are our solutions?
1. Sludge as fertilizer?
This is the most common secondary use of sewage sludge globally. However, many countries have started to ban this practice as toxins present in sewage sludge have been showing up in our food supply. Some countries even ship their sewage sludge to different countries because of the high levels of toxins.
2. Sludge as biofuel?
Although burning biofuel for electricity produces less amounts of greenhouse gas emissions, it is still a great polluter of our atmosphere. We no longer have the luxury of half-steps to secure our future environment. Therefore, we must not only find completely clean sources of energy, but also clean methods of dealing with our waste.
-------------------------------------------------------------------------------------------------------------------------
BUT, What if we didn't produce sludge at all??
Biopipe's no sludge technology uses a different biological process modelled after nature. It has optimized the biofilm or attached growth methodology to treat domestic sewage water without producing sludge. Other added benefits include:
- No Odor
- Low Noise
- Low/Flexible Footprint
- Modular Design
- Low Energy Consumption
- Low Maintenance
- Automatically Controlled
Learn more at: https://www.biopipe.co
Direct Email: [email protected]
You may often wonder, where does all our poop go?
Treating our sewage water & returning it to the environment is very costly. The bulk of the cost actually comes from treating sludge, a semi-solid byproduct of sewage treatment. It accounts for almost 40-60% of the total cost to treat sewage water.
So, what is sludge???
Most traditional technologies used to treat our domestic wastewater use a process called Activated Sludge. This process actively creates a semi-solid slurry consisting of bacteria, nutrients, and potentially hazardous wastes known as "sludge". Once this sludge settles, treated water can be returned back to the environment. However, the excess sludge left behind has to go through a separate and costly series of steps to remove the concentrated toxins within.
---------------------------------------------------------------------------------------------------------------------------
What are our solutions?
1. Sludge as fertilizer?
This is the most common secondary use of sewage sludge globally. However, many countries have started to ban this practice as toxins present in sewage sludge have been showing up in our food supply. Some countries even ship their sewage sludge to different countries because of the high levels of toxins.
2. Sludge as biofuel?
Although burning biofuel for electricity produces less amounts of greenhouse gas emissions, it is still a great polluter of our atmosphere. We no longer have the luxury of half-steps to secure our future environment. Therefore, we must not only find completely clean sources of energy, but also clean methods of dealing with our waste.
-------------------------------------------------------------------------------------------------------------------------
BUT, What if we didn't produce sludge at all??
Biopipe's no sludge technology uses a different biological process modelled after nature. It has optimized the biofilm or attached growth methodology to treat domestic sewage water without producing sludge. Other added benefits include:
- No Odor
- Low Noise
- Low/Flexible Footprint
- Modular Design
- Low Energy Consumption
- Low Maintenance
- Automatically Controlled
Learn more at: https://www.biopipe.co
Direct Email: [email protected]
During the secondary treatment of sewage, bacteria are used to reduce nutrients in the wastewater.
This occurs in the activated sludge plant, where different t...
During the secondary treatment of sewage, bacteria are used to reduce nutrients in the wastewater.
This occurs in the activated sludge plant, where different types of bacteria exist in aerobic (with added oxygen) and anoxic (without added oxygen) environments, which are side by side. These micro-organisms break down organic materials and remove ammonia at both the Eastern Treatment Plant and the Western Treatment Plant. Ammonia is first converted to nitrates and finally to nitrogen gas that is released into our air.
The water then passes through sedimentation tanks where more sludge is removed and treated secondary effluent is produced.
During the secondary treatment of sewage, bacteria are used to reduce nutrients in the wastewater.
This occurs in the activated sludge plant, where different types of bacteria exist in aerobic (with added oxygen) and anoxic (without added oxygen) environments, which are side by side. These micro-organisms break down organic materials and remove ammonia at both the Eastern Treatment Plant and the Western Treatment Plant. Ammonia is first converted to nitrates and finally to nitrogen gas that is released into our air.
The water then passes through sedimentation tanks where more sludge is removed and treated secondary effluent is produced.
Visit the Becton Sewage Treatment Works—one of Europe's biggest plants—which processes sewage from 3.4 million Londoners into water clean enough to return to th...
Visit the Becton Sewage Treatment Works—one of Europe's biggest plants—which processes sewage from 3.4 million Londoners into water clean enough to return to the Thames.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
#NationalGeographic #Sewage #IDidntKnowThat
About I Didn't Know That:
Two industrial scientists, Richard Ambrose and Jonny Phillips, explain the science behind everyday life... from microwave ovens to beating a lie detector.
Get More National Geographic:
Official Site: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Where Does Your Sewage Go? | I Didn't Know That
https://youtu.be/YW6GBciRHLg
National Geographic
https://www.youtube.com/natgeo
Visit the Becton Sewage Treatment Works—one of Europe's biggest plants—which processes sewage from 3.4 million Londoners into water clean enough to return to the Thames.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
#NationalGeographic #Sewage #IDidntKnowThat
About I Didn't Know That:
Two industrial scientists, Richard Ambrose and Jonny Phillips, explain the science behind everyday life... from microwave ovens to beating a lie detector.
Get More National Geographic:
Official Site: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Where Does Your Sewage Go? | I Didn't Know That
https://youtu.be/YW6GBciRHLg
National Geographic
https://www.youtube.com/natgeo
The construction of a large-scale plant for the production of biofuels from sewage sludge is progressing (is going on) in Hohenburg in the district of Amberg-Su...
The construction of a large-scale plant for the production of biofuels from sewage sludge is progressing (is going on) in Hohenburg in the district of Amberg-Sulzbach.
Commissioning is planned for the beginning of 2020.
The demonstration plant, integrating TCR/HDO/PSA technologies, will be able to convert 500 kg of dried sewage sludge per hour into around 50 litres of diesel and petrol as final products.
In addition to a high-quality oil as an intermediate product for fuel production, the TCR process produces gas with hydrogen and biochar.
For further information, please visit the project website: http://www.tosynfuel.eu and the twitter account @tosynfuel.
The construction of a large-scale plant for the production of biofuels from sewage sludge is progressing (is going on) in Hohenburg in the district of Amberg-Sulzbach.
Commissioning is planned for the beginning of 2020.
The demonstration plant, integrating TCR/HDO/PSA technologies, will be able to convert 500 kg of dried sewage sludge per hour into around 50 litres of diesel and petrol as final products.
In addition to a high-quality oil as an intermediate product for fuel production, the TCR process produces gas with hydrogen and biochar.
For further information, please visit the project website: http://www.tosynfuel.eu and the twitter account @tosynfuel.
Wastewater treatment involves the removal of impurities from wastewater, or sewerage, before they reach aquifers or natural water bodies, such as lakes, rivers,...
Wastewater treatment involves the removal of impurities from wastewater, or sewerage, before they reach aquifers or natural water bodies, such as lakes, rivers, and oceans.
Wastewater treatment involves the removal of impurities from wastewater, or sewerage, before they reach aquifers or natural water bodies, such as lakes, rivers, and oceans.
Underneath the ground of New York's fabled streets exists a vast network of pipes that make up the city's sewer system. New Yorkers create, on average, 1.3 bill...
Underneath the ground of New York's fabled streets exists a vast network of pipes that make up the city's sewer system. New Yorkers create, on average, 1.3 billion gallons of wastewater per day that makes its way through these 7,500 miles of pipes.
Join Cheddar & CuriosityStream as we explore the unique histories and modern challenges, defining the future of each of New York City's one-of-a-kind infrastructure systems, in NYC Revealed.
Watch 13 minute versions here on Cheddar's YouTube page. You can also watch the full 24 minute episodes on CuriosityStream and on Cheddar's live network Wednesdays, at 9 p.m.
Full episodes here:
https://curiositystream.com/series/740
Subscribe to Cheddar on YouTube: http://chdr.tv/subscribe
Connect with Cheddar!
On Facebook: http://chdr.tv/facebook
On Twitter: http://chdr.tv/twitter
On Instagram: http://chdr.tv/instagram
On Cheddar.com: http://chdr.tv/cheddar
Underneath the ground of New York's fabled streets exists a vast network of pipes that make up the city's sewer system. New Yorkers create, on average, 1.3 billion gallons of wastewater per day that makes its way through these 7,500 miles of pipes.
Join Cheddar & CuriosityStream as we explore the unique histories and modern challenges, defining the future of each of New York City's one-of-a-kind infrastructure systems, in NYC Revealed.
Watch 13 minute versions here on Cheddar's YouTube page. You can also watch the full 24 minute episodes on CuriosityStream and on Cheddar's live network Wednesdays, at 9 p.m.
Full episodes here:
https://curiositystream.com/series/740
Subscribe to Cheddar on YouTube: http://chdr.tv/subscribe
Connect with Cheddar!
On Facebook: http://chdr.tv/facebook
On Twitter: http://chdr.tv/twitter
On Instagram: http://chdr.tv/instagram
On Cheddar.com: http://chdr.tv/cheddar
At over 70 percent of total costs, transport and disposal are by far the greatest cost items in sludge dewatering. The selection of a high-performance dewaterin...
At over 70 percent of total costs, transport and disposal are by far the greatest cost items in sludge dewatering. The selection of a high-performance dewatering system is therefore extremely important, and presents municipal sewage treatment plants with a purchasing decision with serious consequences.
This was exactly the decision that the operators of the sewage treatment plant Fraccionamiento Bosques de Natura in Tijuana, Mexico faced. This sewage treatment plant, which handles the wastewater of the city of the same name, processes primary and surplus sludge from 7,200 residential units. In 2015, they decided to purchase the Flottweg HTS® Decanter C3E.
Its advantages over other processes and machines:
• Greater sedimentation volumes (due to the deep pond and steep cone) permits a higher power density (by 10 – 20 percent) in less space
• High savings potential in sewage sludge disposal thanks to maximum dry substance content provided by Flottweg HTS Decanters®
• The HTS Decanter® can be used flexibly, since it is suitable both for the dewatering of digested sludge and for the direct dewatering of surplus sludge
• Energy savings of about 20 percent using the Flottweg Recuvane®
• No health risk for system personnel (no aerosol pollution and no escaping contamination or odors due to closed system)
Since the sewage treatment plant is situated practically in the middle of residential areas, the last item in the list played a large and meaningful role in the selection of the system.
https://www.flottweg.com/product-lines/decanter/hts-decanter/
Deshidratación de aguas residuales en Tijuana, México
Los costes de transporte y eliminación suponen, con diferencia, la mayor partida de costes en la deshidratación de lodos, representando un 70 por ciento de los mismos. Por ello, es muy importante escoger un sistema de deshidratación de la más alta eficiencia, lo que supone una elección decisiva de compra para las depuradoras municipales.
La empresa explotadora de la depuradora Fraccionamiento Bosques de Natura, situada en la localidad mexicana de Tijuana, se encontró ante una decisión de idéntica naturaleza. Esta depuradora, la cual procesa las aguas residuales de una urbanización que lleva el mismo nombre, trata el lodo primario y el excedente de 7200 unidades residenciales. En 2015 decidieron adquirir la centrífuga HTS® C3E de Flottweg.
¿Qué ventajas posee frente a otros procesos y máquinas?:
• Su mayor volumen de sedimentación (gracias al estanque profundo y el cono de alta inclinación) hace posible la máxima densidad de salida (10 - 20 por ciento) con un mínimo espacio requerido
• Alto grado de capacidad de ahorro en la eliminación de las aguas residuales gracias al máximo contenido de materia seca con la Flottweg HTS Dekanter®
• El uso de las centrífugas HTS es flexible, dado que son idóneas tanto para la deshidratación de lodos digeridos como para la deshidratación directa del exceso de lodo
• El consumo energético se reduce un 20 por ciento gracias al sistema Flottweg Recuvane®
• Sin efectos sobre la salud del personal de la planta (sin carga de aerosoles ni escapes de suciedad ni olores, gracias a su sistema cerrado)
Ya que la depuradora está situada prácticamente en el centro del conjunto residencial, el último punto tuvo un peso significativo en la elección.
https://www.flottweg.com/es/la-gama-de-productos/centrifugas/decantador-hts/
At over 70 percent of total costs, transport and disposal are by far the greatest cost items in sludge dewatering. The selection of a high-performance dewatering system is therefore extremely important, and presents municipal sewage treatment plants with a purchasing decision with serious consequences.
This was exactly the decision that the operators of the sewage treatment plant Fraccionamiento Bosques de Natura in Tijuana, Mexico faced. This sewage treatment plant, which handles the wastewater of the city of the same name, processes primary and surplus sludge from 7,200 residential units. In 2015, they decided to purchase the Flottweg HTS® Decanter C3E.
Its advantages over other processes and machines:
• Greater sedimentation volumes (due to the deep pond and steep cone) permits a higher power density (by 10 – 20 percent) in less space
• High savings potential in sewage sludge disposal thanks to maximum dry substance content provided by Flottweg HTS Decanters®
• The HTS Decanter® can be used flexibly, since it is suitable both for the dewatering of digested sludge and for the direct dewatering of surplus sludge
• Energy savings of about 20 percent using the Flottweg Recuvane®
• No health risk for system personnel (no aerosol pollution and no escaping contamination or odors due to closed system)
Since the sewage treatment plant is situated practically in the middle of residential areas, the last item in the list played a large and meaningful role in the selection of the system.
https://www.flottweg.com/product-lines/decanter/hts-decanter/
Deshidratación de aguas residuales en Tijuana, México
Los costes de transporte y eliminación suponen, con diferencia, la mayor partida de costes en la deshidratación de lodos, representando un 70 por ciento de los mismos. Por ello, es muy importante escoger un sistema de deshidratación de la más alta eficiencia, lo que supone una elección decisiva de compra para las depuradoras municipales.
La empresa explotadora de la depuradora Fraccionamiento Bosques de Natura, situada en la localidad mexicana de Tijuana, se encontró ante una decisión de idéntica naturaleza. Esta depuradora, la cual procesa las aguas residuales de una urbanización que lleva el mismo nombre, trata el lodo primario y el excedente de 7200 unidades residenciales. En 2015 decidieron adquirir la centrífuga HTS® C3E de Flottweg.
¿Qué ventajas posee frente a otros procesos y máquinas?:
• Su mayor volumen de sedimentación (gracias al estanque profundo y el cono de alta inclinación) hace posible la máxima densidad de salida (10 - 20 por ciento) con un mínimo espacio requerido
• Alto grado de capacidad de ahorro en la eliminación de las aguas residuales gracias al máximo contenido de materia seca con la Flottweg HTS Dekanter®
• El uso de las centrífugas HTS es flexible, dado que son idóneas tanto para la deshidratación de lodos digeridos como para la deshidratación directa del exceso de lodo
• El consumo energético se reduce un 20 por ciento gracias al sistema Flottweg Recuvane®
• Sin efectos sobre la salud del personal de la planta (sin carga de aerosoles ni escapes de suciedad ni olores, gracias a su sistema cerrado)
Ya que la depuradora está situada prácticamente en el centro del conjunto residencial, el último punto tuvo un peso significativo en la elección.
https://www.flottweg.com/es/la-gama-de-productos/centrifugas/decantador-hts/
You may often wonder, where does all our poop go?
Treating our sewage water & returning it to the environment is very costly. The bulk of the cost actually comes from treating sludge, a semi-solid byproduct of sewage treatment. It accounts for almost 40-60% of the total cost to treat sewage water.
So, what is sludge???
Most traditional technologies used to treat our domestic wastewater use a process called Activated Sludge. This process actively creates a semi-solid slurry consisting of bacteria, nutrients, and potentially hazardous wastes known as "sludge". Once this sludge settles, treated water can be returned back to the environment. However, the excess sludge left behind has to go through a separate and costly series of steps to remove the concentrated toxins within.
---------------------------------------------------------------------------------------------------------------------------
What are our solutions?
1. Sludge as fertilizer?
This is the most common secondary use of sewage sludge globally. However, many countries have started to ban this practice as toxins present in sewage sludge have been showing up in our food supply. Some countries even ship their sewage sludge to different countries because of the high levels of toxins.
2. Sludge as biofuel?
Although burning biofuel for electricity produces less amounts of greenhouse gas emissions, it is still a great polluter of our atmosphere. We no longer have the luxury of half-steps to secure our future environment. Therefore, we must not only find completely clean sources of energy, but also clean methods of dealing with our waste.
-------------------------------------------------------------------------------------------------------------------------
BUT, What if we didn't produce sludge at all??
Biopipe's no sludge technology uses a different biological process modelled after nature. It has optimized the biofilm or attached growth methodology to treat domestic sewage water without producing sludge. Other added benefits include:
- No Odor
- Low Noise
- Low/Flexible Footprint
- Modular Design
- Low Energy Consumption
- Low Maintenance
- Automatically Controlled
Learn more at: https://www.biopipe.co
Direct Email: [email protected]
During the secondary treatment of sewage, bacteria are used to reduce nutrients in the wastewater.
This occurs in the activated sludge plant, where different types of bacteria exist in aerobic (with added oxygen) and anoxic (without added oxygen) environments, which are side by side. These micro-organisms break down organic materials and remove ammonia at both the Eastern Treatment Plant and the Western Treatment Plant. Ammonia is first converted to nitrates and finally to nitrogen gas that is released into our air.
The water then passes through sedimentation tanks where more sludge is removed and treated secondary effluent is produced.
Visit the Becton Sewage Treatment Works—one of Europe's biggest plants—which processes sewage from 3.4 million Londoners into water clean enough to return to the Thames.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
#NationalGeographic #Sewage #IDidntKnowThat
About I Didn't Know That:
Two industrial scientists, Richard Ambrose and Jonny Phillips, explain the science behind everyday life... from microwave ovens to beating a lie detector.
Get More National Geographic:
Official Site: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Where Does Your Sewage Go? | I Didn't Know That
https://youtu.be/YW6GBciRHLg
National Geographic
https://www.youtube.com/natgeo
The construction of a large-scale plant for the production of biofuels from sewage sludge is progressing (is going on) in Hohenburg in the district of Amberg-Sulzbach.
Commissioning is planned for the beginning of 2020.
The demonstration plant, integrating TCR/HDO/PSA technologies, will be able to convert 500 kg of dried sewage sludge per hour into around 50 litres of diesel and petrol as final products.
In addition to a high-quality oil as an intermediate product for fuel production, the TCR process produces gas with hydrogen and biochar.
For further information, please visit the project website: http://www.tosynfuel.eu and the twitter account @tosynfuel.
Wastewater treatment involves the removal of impurities from wastewater, or sewerage, before they reach aquifers or natural water bodies, such as lakes, rivers, and oceans.
Underneath the ground of New York's fabled streets exists a vast network of pipes that make up the city's sewer system. New Yorkers create, on average, 1.3 billion gallons of wastewater per day that makes its way through these 7,500 miles of pipes.
Join Cheddar & CuriosityStream as we explore the unique histories and modern challenges, defining the future of each of New York City's one-of-a-kind infrastructure systems, in NYC Revealed.
Watch 13 minute versions here on Cheddar's YouTube page. You can also watch the full 24 minute episodes on CuriosityStream and on Cheddar's live network Wednesdays, at 9 p.m.
Full episodes here:
https://curiositystream.com/series/740
Subscribe to Cheddar on YouTube: http://chdr.tv/subscribe
Connect with Cheddar!
On Facebook: http://chdr.tv/facebook
On Twitter: http://chdr.tv/twitter
On Instagram: http://chdr.tv/instagram
On Cheddar.com: http://chdr.tv/cheddar
At over 70 percent of total costs, transport and disposal are by far the greatest cost items in sludge dewatering. The selection of a high-performance dewatering system is therefore extremely important, and presents municipal sewage treatment plants with a purchasing decision with serious consequences.
This was exactly the decision that the operators of the sewage treatment plant Fraccionamiento Bosques de Natura in Tijuana, Mexico faced. This sewage treatment plant, which handles the wastewater of the city of the same name, processes primary and surplus sludge from 7,200 residential units. In 2015, they decided to purchase the Flottweg HTS® Decanter C3E.
Its advantages over other processes and machines:
• Greater sedimentation volumes (due to the deep pond and steep cone) permits a higher power density (by 10 – 20 percent) in less space
• High savings potential in sewage sludge disposal thanks to maximum dry substance content provided by Flottweg HTS Decanters®
• The HTS Decanter® can be used flexibly, since it is suitable both for the dewatering of digested sludge and for the direct dewatering of surplus sludge
• Energy savings of about 20 percent using the Flottweg Recuvane®
• No health risk for system personnel (no aerosol pollution and no escaping contamination or odors due to closed system)
Since the sewage treatment plant is situated practically in the middle of residential areas, the last item in the list played a large and meaningful role in the selection of the system.
https://www.flottweg.com/product-lines/decanter/hts-decanter/
Deshidratación de aguas residuales en Tijuana, México
Los costes de transporte y eliminación suponen, con diferencia, la mayor partida de costes en la deshidratación de lodos, representando un 70 por ciento de los mismos. Por ello, es muy importante escoger un sistema de deshidratación de la más alta eficiencia, lo que supone una elección decisiva de compra para las depuradoras municipales.
La empresa explotadora de la depuradora Fraccionamiento Bosques de Natura, situada en la localidad mexicana de Tijuana, se encontró ante una decisión de idéntica naturaleza. Esta depuradora, la cual procesa las aguas residuales de una urbanización que lleva el mismo nombre, trata el lodo primario y el excedente de 7200 unidades residenciales. En 2015 decidieron adquirir la centrífuga HTS® C3E de Flottweg.
¿Qué ventajas posee frente a otros procesos y máquinas?:
• Su mayor volumen de sedimentación (gracias al estanque profundo y el cono de alta inclinación) hace posible la máxima densidad de salida (10 - 20 por ciento) con un mínimo espacio requerido
• Alto grado de capacidad de ahorro en la eliminación de las aguas residuales gracias al máximo contenido de materia seca con la Flottweg HTS Dekanter®
• El uso de las centrífugas HTS es flexible, dado que son idóneas tanto para la deshidratación de lodos digeridos como para la deshidratación directa del exceso de lodo
• El consumo energético se reduce un 20 por ciento gracias al sistema Flottweg Recuvane®
• Sin efectos sobre la salud del personal de la planta (sin carga de aerosoles ni escapes de suciedad ni olores, gracias a su sistema cerrado)
Ya que la depuradora está situada prácticamente en el centro del conjunto residencial, el último punto tuvo un peso significativo en la elección.
https://www.flottweg.com/es/la-gama-de-productos/centrifugas/decantador-hts/
Sewage sludge refers to the residual, semi-solid material that is produced as a by-product during sewage treatment of industrial or municipal wastewater. The term septage is also referring to sludge from simple wastewater treatment but is connected to simple on-site sanitation systems, such as septic tanks.
When fresh sewage or wastewater enters a primary settlingtank, approximately 50% of the suspended solid matter will settle out in an hour and a half. This collection of solids is known as raw sludge or primary solids and is said to be "fresh" before anaerobic processes become active. The sludge will become putrescent in a short time once anaerobic bacteria take over, and must be removed from the sedimentation tank before this happens.
This is accomplished in one of two ways. In an Imhoff tank, fresh sludge is passed through a slot to the lower story or digestion chamber where it is decomposed by anaerobic bacteria, resulting in liquefaction and reduced volume of the sludge. After digesting for an extended period, the result is called "digested" sludge and may be disposed of by drying and then landfilling. More commonly with domestic sewage, the fresh sludge is continuously extracted from the tank mechanically and passed to separate sludge digestion tanks that operate at higher temperatures than the lower story of the Imhoff tank and, as a result, digest much more rapidly and efficiently.
The EPA obtained research from 3M in 2003 revealing that sewage sludge, the raw material for a fertilizer, carried toxic “forever chemicals.” ... Lucie, Florida, they found surprisingly high concentrations in sewage sludge.
The agency obtained research from 3M in 2003 revealing that sewage sludge, the raw material for the fertilizer, carried toxic “forever chemicals.” ... .
The agency obtained research from 3M in 2003 revealing that sewage sludge, the raw material for the fertilizer, carried toxic “forever chemicals.” ... .
Nearly 50 properties across Dunedin were either red- or yellow-stickered ... "It's a nightmare," he told RNZ ... "And at the end of the day I'm still struggling." ... As King sat alone in his house, floodwaters mixed with sewage and sludge began to creep in ... ....
El-Sherbiny emphasized the ministry’s priorities, including maximizing the benefits of sludge from sewage treatment, recycling demolition and construction waste, identifying central waste collection ...
But for the full month, the performance has not been as good.' Ranawat said the city is losing its charm with lakes getting polluted with sewage water and sludge levels rising, temples in bad ...
Concerns are mounting nationwide about PFAS contamination transferred through the common practice of spreading solid waste from sewage treatment across farm fields ...Contamination in sewage mostly comes from industrial discharges.
Stubborn Sludge. Concerns are mounting nationwide about PFAS contamination transferred through the common practice of spreading solid waste from sewage treatment across farm fields ...Contamination in sewage mostly comes from industrial discharges.
sewage sludge ... Even as PFAS has turned up in wastewater, the government has continued to promote the use of sewage sludge as fertilizer ... Sewage sludge is a lucrative business.
“How can this be happening in an area where our county commissioners worked hard to pass protective regulations to stop the spread of sewage sludge due to toxic algae blooms in Blue Cypress Lake?” Orcutt asked in the news release.
But the agency is now studying the presence of PFAS in wastewater and sewage sludge nationally and conducting a risk assessment on the use of biosolids and sewage sludge containing the two most widely ...
Because bio-LNG can be made from feedstock such as agricultural waste, food waste, sewage sludge and manure it is considered a renewable fuel that can further reduce the carbon footprint of ships using LNG fuel systems ... ....
The Environmental Working Group (EWG) estimates that nearly 20 million acres of farmland in the country are fertilized with sewage sludge containing PFAS... Commonly, on farms, the sources of PFAS are fertilizers known as sewage sludge or biosolids.
... sewage treatment plants (STPs) at Naini and Jhunsi, and a fecal sludge treatment plant in Arail ... Sludge will be transported to these STPs using nine cesspool vehicles and a network of sewage pipelines.
The contamination of PFAS in sewage sludge has been a known problem since the 1990s, but the government continues to promote sewage sludge as a safe option for fertilizer, and farmers have obtained ...
Chatanooga Times Free Press
10 Dec 2024
Chatanooga Times Free Press
10 Dec 2024