Anaerobic effluent treatment with used cleaning caustics as a co-substrate and pH correction agent
Taking used cleaning caustics from the beverage industry as pH correction agents for the acidification step, an investigation was carried out into the consequences for process variables in pre-treatment of organically highly contaminated effluent in two-stage anaerobic compact plants. In the tests, the caustic originated from CIP and bottle washing units of breweries.
reweries and other operations in the beverage industry produce large volumes of effluent every year, this is considerably contaminated with residuals from production and with dirt particles and caustic solutions from cleaning processes. In Germany, most beverage operations still discharge effluent indirectly into public sewage. This leads to considerable costs in the non-productive area.67 (1). An average of 0.
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