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  • Case study: Municipal WWTP

    Case study: Municipal WWTP

    OverviewThe municipal WWTP at Monclova, Mexico had to increase its capacity by a factor of 1.5 and improve nitrification capacity, for 100% reuse by industry.  RequirementsThe city of Monclova operates a modern wastewater treatment plant which ...

  • Upgrading a municipal WWTP using AGAR® technology

    Upgrading a municipal WWTP using AGAR® technology

    In view of EU directives for effluent discharge, it was required to upgrade the local sewage plant in the town of Marines, Valencia (Spain). The technology chosen for the project was AGAR® (Attached Growth Airlift Rector) of AqWise - Wise Water ...

  • Case study: Food & beverage industry

    Case study: Food & beverage industry

    OverviewGranador, a premium brand of Unidrink AG, is a well known beverage producer, located in Hitzkirch, Switzerland. Granador produces about 45 million bottles per year for distribution all over Europe. The plant had an anaerobic reactor for ...

  • Case study: Pulp & paper industry

    Case study: Pulp & paper industry

    OverviewThe paper mill at Valdivia produces card board from chemical and mechanical pulp. With the installation of an additional paper machine, the wastewater flow increased from 4,000 m3/d to 8,500 m3/d and therefore an extension of the existing ...

  • Case study: Municipal WWTP

    Case study: Municipal WWTP

    OverviewAn urgent improvement of the effluent quality of the old existing WWTP of Yavne was required by the Environmental Ministry of Israel. RequirementEffluent from the Yavne WWTP used to be discharged into a river which flows into the ...

  • Aqwise`s poster at the 2008 Weftec convention - Distribution of microbial population within a moving bed bio-film reactor (MBBR) combining a `denitrfiltration` unit

    Aqwise`s poster at the 2008 Weftec convention - Distribution of microbial population within a moving bed bio-film reactor (MBBR) combining a `denitrfiltration` unit

    Introduction At high influent N levels , there is a need in Pre- and Post (Endogenous)-denitrification stages, requiring addition of an external electron donor. Systems based on the MBBR (Moving Bed Bio-film Reactor) process have high potential ...

    Nir Assulin, Ronen Shechter, Yigal Master and Tamar Arbel

  • Full scale municipal implementations of the Agar IFAS process for municipal wastewater  treatment

    Full scale municipal implementations of the Agar IFAS process for municipal wastewater treatment

    Wastewater treatment plant retrofits worldwide are motivated by two main developments: a. Changes in effluent quality regulations, either to more stringent BOD/TSS requirements, or to include nutrient (N and P) removal b. Increase in flows to ...

    Remy Blanc, Ronen Shechter and Gali Stamper

  • Airlift bioreactors: Application to wastewater treatment

    Airlift bioreactors: Application to wastewater treatment

    After an introductory review, this paper presents a three-phase reactor fluid dynamic model that is used in the development of a generic process for upgrading existing wastewater treatment plants (WWT). The aim is to incorporate nitrification and ...

    J.C. Merchuk and R. Shechter

  • Different process configurations for biomass-carrier-based treatment of industrial wastewater

    Different process configurations for biomass-carrier-based treatment of industrial wastewater

    KeywordsBiological wastewater treatment, Industrial wastewater, biomass carriers, case study IntroductionBiological treatment is still the most cost effective method to oxidize organic pollutants in wastewater. However, industrial wastewaters from ...

    Ronen Shechter, Noah Galil and Gali Stamper

  • Upgrading effluent quality with a plastic media based process

    Upgrading effluent quality with a plastic media based process

    Wastewater treatment plant retrofits worldwide are motivated by two main developments: changes in effluent quality regulations, population growth in certain areas. In recent years, the EU (under directive EEC/271/91) and US (Section 304A of ...

    R. Shechter and E. Levy

  • Simultaneous clarification and endogenous post denitrification by up-flow through a layer of floating media

    Simultaneous clarification and endogenous post denitrification by up-flow through a layer of floating media

    KeywordsBiological nutrient Removal, Post denitrification, Clarifier design, Pilot study IntroductionMethods to comply with the most updated low effluent total nitrogen (TN) regulations include, in addition to a high internal circulation ratio to a ...

    Ronen Shechter, Nir Assulin and Gali Stamper

  • Design configurations for commercial application of biomass carriers in small wastewater treatment plants

    Design configurations for commercial application of biomass carriers in small wastewater treatment plants

    Introduction Moving bed type reactors are bio-film processes utilizing small, plastic biomass carriers that mix in the water. The use of biomass carriers is becoming common world-wide, for many applications, some of which are: compact low operation ...

    Ronen Shechter and Gali Stamper

  • WWTP Georgia, USA - A Case Study

    WWTP Georgia, USA - A Case Study

    Case Study: Municipal WWTPClient: Georgia – USAStart Up: 2009Capacity: 1,900 m3/d Overview The extensive municipal WWTP was required to upgrade its effluent quality to include extensive Ammonia removal. The project was conducted by Aqwise’s ...

  • Europaper, Italy A Case Study

    Europaper, Italy A Case Study

    Case Study: Pulp & Paper PlantClient: Siemens Water Technologies – ItalyStart Up: August 2005Capacity: 2,000 m3/d Overview Europaper produces tissues paper for Industrie Cartarie Tronchetti, which has its own branch (Foxy). Changes in the ...

  • WWTP Monclova, Mexico A Case Study

    WWTP Monclova, Mexico A Case Study

    Case Study: Municipal WWTPClient: Monclova – MexicoStart Up: 2005Capacity: 58,300 m3/d Overview The municipal WWTP at Monclova, Mexico had to increase its capacity by a factor of 1.5 and improve nitrification capacity, for 100% reuse by industry. ...

  • WWTP Marines, Spain upgrading a municipal WWTP using AGAR® technology A Case Study

    WWTP Marines, Spain upgrading a municipal WWTP using AGAR® technology A Case Study

    Case Study: Municipal plantStart up: May 2007Capacity: 380 m3/d Abstract In view of EU directives for effluent discharge, it was required to upgrade the local sewage plant in the town of Marines, Valencia (Spain). The technology chosen for the ...

  • Granador juice, Switzerland A Case Study

    Granador juice, Switzerland A Case Study

    Case Study: Food & Beverage IndustryClient: Granador AG SwitzerlandStart Up: July 2004Capacity: 500 m3/d Overview Granador, a premium brand of Unidrink AG, is a well known beverage producer, located in Hitzkirch, Switzerland. Granador produces ...

  • Valdivia paper mill, vhile A Case Study

    Valdivia paper mill, vhile A Case Study

    Case Study: Pulp & Paper IndustryStart Up: August 2006Capacity: 8,500 m3/d Overview The paper mill at Valdivia produces card board from chemical and mechanical pulp. With the installation of an additional paper machine, the wastewater flow ...

  • WWTP Yavne, Israel A Case Study

    WWTP Yavne, Israel A Case Study

    Case Study: Municipal WWTPClient: Municipality of Yavne, IsraelStart Up: September 2005Capacity: 6,000 m3/d Overview An urgent improvement of the effluent quality of the old existing WWTP of Yavne was required by the Environmental Ministry of ...

  • Municipal WWTP, Spain: A Case Study

    Municipal WWTP, Spain: A Case Study

    Overview The oxidation ditch configuration based wastewater treatment plant in Spain required a quick upgrade in order to comply with new inflow and quality requirements. Requirements The existing plant was operating with two parallel Oxidation ...