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The main purpose of this paper is to evaluate the impact of industry wastewater containing synthetic textile dyes on the structure of activated sludge. The aim of the research is to qualify direct impact of the textile dyes, dosed in one week into the experimental system of wastewater treatment plant, on constitution, structure and function of activated sludge. Activated sludge samples (5 mL) were taken from the aeration tank of experimental waste water treatment plant before, during and after measurement and the ...

In view of increasing demand for more efficient use of water resources, technological processes are innovated in textile industry and result in lower environmental impact. One possible option is to clean textile waste water containing industrial dye residues by microbial consortia and biodegradation process. This method of removing potentially toxic substances by microbial biomass is appropriate because other chemicals are not brought into the environment and residual biomass can be easily removed when the biodegr...