Abstract
In order to conserve our waters and water reserves, waste water must be purified before being discharged. Due to the differences in the composition of household and industrial waste, additional physical and chemical purification processes may be required as well as the normal biological purification. Variations in legislation in different countries, the high cost of the necessary technical plant expenditures and continually increasing operating costs make the building and operating of waste-water treatment plants extremely problematic.
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Weber, H.H., Mann, T. Abwasserreinigung Ökologische, technische und ökonomische Aspekte. Naturwissenschaften 64, 82–86 (1977). https://doi.org/10.1007/BF00437348
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DOI: https://doi.org/10.1007/BF00437348