The Future for Activated Sludge Plant Control is Respirometry & AI - Video
The original recording together with resource documents can be viewed at https://wateriswater.adobeconnect.com/pz88n6kso83p/
To fully access all the files and see the presentations people are free to resize their own browser windows. [you will need to allow Flash content to run]
To view it on a mobile device we suggest downloading one of the helper apps such as https://www.puffinbrowser.com/mobile/ and for more help see:https://www.puffinbrowser.com/help/trouble.php#faq
Or https://itunes.apple.com/us/app/photon-flash-player-for-iphone/
A lower resolution version is available at: https://youtu.be/hvS5bohDTT4
Strathkelvin developed a simple to use, rapid respirometer in 1999 designed primarily for toxicity assessment of WWTP facility influents.
The Activated Sludge Process has been around for over 100 years, but the basic principles have remained fairly constant. Give the bacteria sufficient oxygen and decent living conditions and they repay us with nice clean water. Simple? …well yes and no!!
In practice things are more complex.
In 2007 they launched the AS Bioscope, a portable respirometer, for profiling Oxygen Uptake Rate across the treatment process. Respirometry, for both investigative and Energy Optimisation has been achieved. Practical energy optimisation projects will be detailed in this event. See https://youtu.be/PvKrEnFKg9s
For instance Kelda Water Services – Cardiff: achieved annual savings of £380,000 per annum in relation to aeration energy optimisation. These savings were generated on an SBR system.
Strathkelvin have now optimized over 60 SBR basins using the Strathkelvin SCO2PE process. SBR operation is particularly suited to optimization using the ASP-Con system as it can automatically detect the aeration cycle end-point.
Celtic Anglian Water – Dublin:
Achieved annual savings of 240,000 euros per annum for the aeration energy optimisation. Once again an SBR site
Northern Ireland Water
32 sites were optimized in 2012-2015. NIW has 2 sites aiming for full feed-forward/feed-back control (first visibility of this kind anywhere in the world) of the treatment process in July 2015.
[www.strathkelvin.com/asp-con]
Operation and energy savings make this particularly appropriate to small communities.
ASP-CON can be installed permanently into several different areas in the Secondary Wastewater Treatment Plant to provide feed-forward or feed-back control for plant operation and optimisation. The ASP-Con carries out several continuous measurements, and also analyses discrete batch samples of the product to give the following parameters on a frequency set by the plant operator:
Continuously providing the Dissolved Oxygen level, and in conjunction with the other measured variables, provides a higher level of automation than is currently achieved by using this parameter alone, measuring a combination of mechanical and analytical methods that form the basis of controlling the secondary treatment process.
This also removes the need for manually completed tests.
The ASP-Con instrument uses an innovative system for cleaning and calibrating that extends the service interval time and the design of the sample capture process, which negates problems associated with ragging that afflicts some wastewater treatment plants.
Savings are calculated to achieve 30% average aeration energy savings. Figures will vary from plant to plant. On this conservative basis a payback on investment and ongoing running costs can be achieved in under 2 years on plants as small as 10,000 population equivalent.
The daily cost of running an ASP-Con system, Including all consumables, maintenance, servicing and depreciation charges (calculated over 5 years) is £23 ($32) per day for 16 parameters, compared to the lab based testing, on this occasion, at £800 per day for 6 parameters.
Presented by WasteWaterEducation.org
As part of the 2018 series of public education events - Blue Investing: Protecting Water At The Source.
Video Credits: The Environmental Movement and the First Earth Day | American Masters Legacy downloaded from PBS LearningMedia, http://www.pbslearningmedia.org.
Asset Copyright ©2014 Mark Kitchell. All Rights Reserved.
Credits This program was produced by Mark Kitchell who is solely responsible for this content.
Source:This media asset is from American Masters—A Fierce Green Fire http://www.pbs.org/wnet/americanmasters/a-fierce-green-fire-about-the-film/2924/
A Fierce Green Fire, by renowned environmental journalist Philip Shabecof is available from Amazon at this link - https://amzn.to/2GCzISA
Water: The Lifeblood | Water Lubricates our Economy downloaded from PBS LearningMedia, http://www.pbslearningmedia.org.
Asset Copyright 2010
Credits US Department of Energy, National Energy and Technology Laboratory, Northern Great Plains Water Consortium, University of North Dakota's Energy & Environmental Research Center, and members of Prairie Public
Source: Prairie Public http://www.prairiepublic.org
To fully access all the files and see the presentations people are free to resize their own browser windows. [you will need to allow Flash content to run]
To view it on a mobile device we suggest downloading one of the helper apps such as https://www.puffinbrowser.com/mobile/ and for more help see:https://www.puffinbrowser.com/help/trouble.php#faq
Or https://itunes.apple.com/us/app/photon-flash-player-for-iphone/
A lower resolution version is available at: https://youtu.be/hvS5bohDTT4
Strathkelvin developed a simple to use, rapid respirometer in 1999 designed primarily for toxicity assessment of WWTP facility influents.
The Activated Sludge Process has been around for over 100 years, but the basic principles have remained fairly constant. Give the bacteria sufficient oxygen and decent living conditions and they repay us with nice clean water. Simple? …well yes and no!!
In practice things are more complex.
In 2007 they launched the AS Bioscope, a portable respirometer, for profiling Oxygen Uptake Rate across the treatment process. Respirometry, for both investigative and Energy Optimisation has been achieved. Practical energy optimisation projects will be detailed in this event. See https://youtu.be/PvKrEnFKg9s
For instance Kelda Water Services – Cardiff: achieved annual savings of £380,000 per annum in relation to aeration energy optimisation. These savings were generated on an SBR system.
Strathkelvin have now optimized over 60 SBR basins using the Strathkelvin SCO2PE process. SBR operation is particularly suited to optimization using the ASP-Con system as it can automatically detect the aeration cycle end-point.
Celtic Anglian Water – Dublin:
Achieved annual savings of 240,000 euros per annum for the aeration energy optimisation. Once again an SBR site
Northern Ireland Water
32 sites were optimized in 2012-2015. NIW has 2 sites aiming for full feed-forward/feed-back control (first visibility of this kind anywhere in the world) of the treatment process in July 2015.
[www.strathkelvin.com/asp-con]
Operation and energy savings make this particularly appropriate to small communities.
ASP-CON can be installed permanently into several different areas in the Secondary Wastewater Treatment Plant to provide feed-forward or feed-back control for plant operation and optimisation. The ASP-Con carries out several continuous measurements, and also analyses discrete batch samples of the product to give the following parameters on a frequency set by the plant operator:
Continuously providing the Dissolved Oxygen level, and in conjunction with the other measured variables, provides a higher level of automation than is currently achieved by using this parameter alone, measuring a combination of mechanical and analytical methods that form the basis of controlling the secondary treatment process.
This also removes the need for manually completed tests.
The ASP-Con instrument uses an innovative system for cleaning and calibrating that extends the service interval time and the design of the sample capture process, which negates problems associated with ragging that afflicts some wastewater treatment plants.
Savings are calculated to achieve 30% average aeration energy savings. Figures will vary from plant to plant. On this conservative basis a payback on investment and ongoing running costs can be achieved in under 2 years on plants as small as 10,000 population equivalent.
The daily cost of running an ASP-Con system, Including all consumables, maintenance, servicing and depreciation charges (calculated over 5 years) is £23 ($32) per day for 16 parameters, compared to the lab based testing, on this occasion, at £800 per day for 6 parameters.
Presented by WasteWaterEducation.org
As part of the 2018 series of public education events - Blue Investing: Protecting Water At The Source.
Video Credits: The Environmental Movement and the First Earth Day | American Masters Legacy downloaded from PBS LearningMedia, http://www.pbslearningmedia.org.
Asset Copyright ©2014 Mark Kitchell. All Rights Reserved.
Credits This program was produced by Mark Kitchell who is solely responsible for this content.
Source:This media asset is from American Masters—A Fierce Green Fire http://www.pbs.org/wnet/americanmasters/a-fierce-green-fire-about-the-film/2924/
A Fierce Green Fire, by renowned environmental journalist Philip Shabecof is available from Amazon at this link - https://amzn.to/2GCzISA
Water: The Lifeblood | Water Lubricates our Economy downloaded from PBS LearningMedia, http://www.pbslearningmedia.org.
Asset Copyright 2010
Credits US Department of Energy, National Energy and Technology Laboratory, Northern Great Plains Water Consortium, University of North Dakota's Energy & Environmental Research Center, and members of Prairie Public
Source: Prairie Public http://www.prairiepublic.org
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