title: Effect of phenolic tar on the work of activated sludge.
abstract: The effect of different phenolic tar concentrations on the work of activated sludge in petrochemical and synthetic wastewater was investigated. The concentrations of 440 and 300 mg/l of phenolic tar did not show a destructive effect on the activated sludge and its work. The highest concentration of phenolic tar (880 mg/l) reduced the efficiency of purification and changed the structure of the activated sludge.
mesh_terms: D001419:Bacteria / Q000254:growth & development / Q000378:metabolism*; D001673:Biodegradation, Environmental; D007220:Industrial Waste; D010636:Phenols / Q000378:metabolism*; D013638:Tars / Q000378:metabolism*; D014871:Water Microbiology
chemical_list: D007220:Industrial Waste; D010636:Phenols; D013638:Tars