Activated Sludge Articles

  • Trickling filter design guideline – How do trickling filters work?

    Please watch the video tutorial here: https://youtu.be/r-0wRzGbSqw Trickling filters are biological reactors within wastewater treatment plants which are used to remove organic matter and/or ammonia from wastewater. Compared to the activated sludge process the microorganisms are not suspended in the mixed liquor but they are attached to a fixed bed surface. ...


    By Aqua Equip Technologies LLC

  • Oostanaula Creek WWTP; Jet MCR Multi-Channel Orbital BNR - Case Study

    The Oostanaula Creek WWTP in the City of Athens, TN was a forty year old conventional activated sludge facility permitted for 2.83 MGD. Client: Oostanaula Creek WWTP in the City of Athens, TN; Jet MCR Multi-Channel Orbital BNR Process Solution: Jet MCR Multi-Channel Orbital BNR Process Background: The facility consisted of two twelve ...


    By Fluidyne Corporation

  • Reinbeck, Iowa; SBR - Sequencing Batch Reactor - Case Study

    Fluidyne's SBR Provides 99% Removal of Organics for WWTP, While Demonstrating Low Operating Costs and Low Sludge Production. Grade 3 Sequencing Batch Reactor (SBR) System Easier to Operate Than Grade 2 Extended Air System Predecessor. Client: Reinbeck, Iowa Solution: SBR - Sequencing Batch Reactor Background: ...


    By Fluidyne Corporation

  • Ely, Nevada; Jet Aeration & Jet Mixing - Case Study

    The city of Ely installed a Fluidyne Jet Aeration/Mixing system in May 2012. The City of Ely has a population of around 4,300 and is in White Pine County of Nevada. The city runs an Sequencing Batch Reactor (SBR) system and Fluidyne is responsible for the odor control in the sludge holding tanks. The plant average flow is 1.5 MGD. Client: City of Ely, Nevada ...


    By Fluidyne Corporation

  • Mansfield, Arkansas; ISAM - Integrated Surge Anoxic Mix - Case Study

    City Gets Consistent Compliance, Thriving Discharge Creek, and State Award by Replacing Extended Aeration WWTP with Special Activated Sludge Process. Also Gains Better Reliability, Easier Maintenance, and Exceptionally Low Sludge Yield. Client: Mansfield, Arkansas Solution: ISAM - Integrated Surge Anoxic Mix Background: ...


    By Fluidyne Corporation

  • Portugal Cove, St. Philip`s, Newfoundland; ISAM - Integrated Surge Anoxic Mix - Case Study

    Special Activated Sludge System Works Well as Small Town’s First WWTP. Meets Regulations, Needs Little Attention; Supports Environmental Commitment to Residents and Tourists. Client: Portugal Cove, St. Philip's, Newfoundland Solution: ISAM Integrated Surge Anoxic Mix Background: The Town of Portugal ...


    By Fluidyne Corporation

  • Norwood, Ontario; ISAM Integrated Surge Anoxic Mix - Case Study

    Client: Norwood, Ontario Solution: BNR Background: NORWOOD, ONTARIO ISAM (Integrated Surge Anoxic Mix) Increases Plant Capacity While Reducing Operational Cost and Improving Effluent Quality The Township of Asphodel-Norwood (Township) is located in central-eastern Ontario in Peterborough County. Population growth in ...


    By Fluidyne Corporation

  • Atkinson, Nebraska; ISAM - Integrated Surge Anoxic Mix - Case Study

    The City of Atkinson, Nebraska could not meet the Nebraska Department of Environmental Quality (NDEQ) effluent discharge requirements based on the new ammonia regulations. The existing plant also required extensive service and maintenance to keep the outdated equipment operational. Left with no choice, the plant needed to be upgraded. Client: Atkinson, Nebraska ...


    By Fluidyne Corporation

  • Symphony Model Based Digital Solution at City of Lebanon, PA - Case study

    Symphony Model Based Digital Solution at City of Lebanon, PA WWTP: Precise and Accurate Control Performance without any Retuning - 8 Years and Counting...  Summary The upgrade of secondary wastewater treatment plants to meet stringent nutrient effluent standards often involves the application of non-traditional solutions. This includes both process unit selection and the ...

  • Gulkevichsky Starch Factory – Global Water & Energy partnership to create a blueprint for waste reduction in the starch industry

    One of the biggest starch manufacturers in Russia, Gulkevichsky Starch Factory (KZG) doubles its corn processing capabilities and mitigates the environmental impact by installing a new wastewater treatment plant from Global Water & Energy (GWE). KZG increases its production capacity from current 120,000 tons a year and adds new quality products to its portfolio. The new wastewater ...


    By Global Water & Energy

  • StreamLine System Upgrade Improves SOTE, Energy Savings, and Effluent Quality at Frielas WWTP

    The multi-stream Frielas Wastewater Treatment Plant was built in 1997 in the suburbs of Lisbon, Portugal. The plant is owned by Loures SMAS and is operated and managed by SIMTEJO, which is a government owned company integrated with Aguas de Portugal (also known as Aguas do Tejo Atlantico). It has a total treatment capacity of 700,000 Population Equivalent (PE). Currently the plant has a normal ...

  • EDI Aeration for Life: Upgrade at Califonia, MO WWTP - Case Study

    EDI’s performance-assessed turnkey aeration solution achieved all customer objectives for the new aeration system. The requirements included: Higher O2 transfer and superior mixing throughout basin for increased DO levels Significant reduction in air demand results in 28% less power usage Simplified routine maintenance ...

  • Maximum Air Pressure for Diffusers

    In the water and wastewater treatment field there are many needs and/or opportunities to upgrade existing facilities or to construct new facilities where space is limited. The available space can severely constrict the capacity of treatment facilities, or reduce the options available for design and implementation of the treatment process. Some of the needs facing many potential facilities is the ...

  • Researchers Study GHGs in Winery Wastewater Treatment with DX4015 Gas Analyzer

    A research conducted in Southern European wineries compared the conventional and natural wastewater treatment technologies via life cycle assessment and carbon footprint studies. The research group utilized Gasmet’s portable FTIR gas analyzer DX4015 for monitoring the GHGs. The present study can be seen as an important link in helping the wine sector contribute to the fight against the ...


    By Gasmet Technologies Oy

  • Toxicity Assessment Assays in Greece

    Abstract :In this study the results of toxicity assessment assays in the area of Thessaloniki in Greece are presented.Daphnia magnatests were used for the assessment of freshwater and wastewater andArtemia salinatests for the assessment of seawater. There was increased toxicity in the seawater of inner Thermaikos gulf as well as in the freshwater of Koronia lake. Measures, taken to prevent toxic ...


    By Microbiotests Inc.

  • Trickling Filter Technology Is Still Relevant

    Trickling filters have been the workhorse of the biological wastewater treatment industry for over 100 years. Trickling filters have proven to efficiently remove pollutants from wastewater since their inception, earning recognition as a technology that will continue to serve the industry well into the future. ...


    By Brentwood Industries, Inc.

  • A New Toxkit Microbiotest with the Protozoan Ciliate Tetrahymena

    Abstract : Culture free microbiotests with organisms from different trophic and functional levels, e.g. bacteria, algae, rotifers and crustaceans, are presently available. This paper presents the status quo and general design of a new, ready to use multi-generation microbiotest with the standard ciliate Tetrahymena, a representative from a further ecologically relevant group - the protozoa. The ...


    By Microbiotests Inc.

  • The Potential of Water Reuse in Agriculture

    Treating wastewater for reuse can turn it into a valuable asset Farming uses a huge amount of water — 70% of fresh water worldwide is used in agriculture, and groundwater in subterranean aquifers is being depleted far faster than natural processes can replenish it. The ...


    By Fluence Corporation

  • Function of Mineral Powder Double Roller Press Granulator

    Double roller press granulator can be used to press various powders, wastes and slags, such as pulverized coal, iron powder, coke coal, aluminium powder, iron scrap, iron oxide scale, carbon powder, carbon powder, slag, gypsum, tailings, sludge, kaolin, activated carbon, coke powder, etc. The mineral powder is granulated through the extrusion roll of the machine. Double roller fertilizer ...

  • Wastewater treatment boosted in Istanbul with MBR upgrade

    Advanced biological treatment methods The completion of the Ataköy wastewater treatment plant in Istanbul, Turkey, is helping the historical king of thermal desalination Fisia Italimpianti broaden its global project portfolio. Worth €83.9 million, the project is being modernised and expanded to process 600,000 m3/day, serving three million people eventually. ...


    By Aquatech Global Events

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