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sewage treatment plant technology Applications

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    Filtration technology for Domestic wastewater treatment industry

    AQQA® is used in domestic wastewater treatment to: act as barrier for bacteria and virus in membrane bio reactors (directly inserted into the mixed liquor). constitute the final filtration of the effluent of standard sewage treatment plants (tertiary treatment). supply hygienically safe water for reuse, e.g. irrigation of public places and crops. The treated water complies with the German Norm DIN 19650, EK2, reused water for the irrigation of crops for raw consumption. It also exceeds the standards according to the EU guidelines for bathing water according to EU guideline 2006/7/EG. eliminate micropollutants from wastewater, typically in combination with activated carbon.

    By Weise Water GmbH based in Hennigsdorf, GERMANY.

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    Filtration technology for Industrial wastewater treatment

    AQQA is used in industrial wastewater treatment to: separate the sludge from the clear water in membrane bio reactors. constitute the final filtration of the effluent of standard sewage treatment plants (tertiary treatment). keep specialized bacteria in the system, that can biologically degrade organic matter. enable Zero Liquid Discharge: prefiltration for reverse osmosis systems.

    By Weise Water GmbH based in Hennigsdorf, GERMANY.

  • Landfill Leachate Treatment

    Effluents from waste (leachate) are highly polluted and must be treated efficiently before they can be discharged into a municipal sewage plant or a local watercourse. Conventional treatment technologies do not suffice. Chemical processes are not economic due to the high pH buffer capacity of the leachate. Hardness and chlorides in the leachate are a problem for many plant components. Besides, process knowhow and operating experience are indispensable for an effective elimination of the harmful ammonia nitrogen. Certain processes also produce residues such as concentrates, which must be removed from the landfill body. This disposal is very expensive. WEHRLE is a reliable and experienced plant constructor for those applications. The first leachate treatment plants were built in 1991 and have been in constant operation ever since. This is not only proof of excellent technology but also for sustainable efficiency with stable, predictable, low operation costs.

    By WEHRLE Umwelt GmbH based in Emmendingen, GERMANY.

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