Determination on inhibition effects of coagulants used in wastewater treatment plants on anaerobic digester

Water Science and Technology : a Journal of the International Association on Water Pollution Research
Güler Türkoğlu DemirkolNeşe Tüfekci

Abstract

Domestic wastewaters causing pollution contain inorganic and/or organic materials. When the domestic wastewater outflows to the receiving waters, it causes physical, chemical, and biological pollution in them, and deteriorates the ecological balance of those waters. In the treatment of wastewater, various treatment methods are available depending on the pollution strength of the wastewater. Besides mechanical and biological methods, wastewater treatment with physicochemical methods is still one of the most effective and economical options. Particularly in wastewater with a high concentration of suspended solids, this method is very successful, and obtaining high suspended solids removal efficiencies is very possible. In this study, the effects of the use of coagulant and coagulant aid to be used in a treatment plant where domestic wastewater treatment is carried out are determined to increase the treatment efficiency of a biological treatment that comes later in the stages of the treatment. The effluent of the pre-settling tank may contain a lot of suspended solids. This presence of excess suspended solids decreases the efficiency at other levels of treatment and causes energy loss. In the experiments, the standard jar and inhi...Continue Reading

References

Jul 13, 2004·Bioresource Technology·N Z Al-MutairiI Al-Ghusain
Jul 26, 2005·Ecotoxicology and Environmental Safety·Nayef Z Al-Mutairi
Apr 28, 2007·Water Research·Brian Bolto, John Gregory
Mar 4, 2011·Journal of Hazardous Materials·Yuan-ling LuoLi-ke Wang

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