M. Ramesh, T. R. Sreekrishnan, M. Goel, J. S. Sudarsan, S. Nithiyanantham
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Development of a High-Rate Biological System for the Complete Treatment (Nitrification) of Low Strength Wastewater
Low strength wastewaters (LSW) are those that have a chemical oxygen demand COD < 1000 mg/L. Nitrogen and phosphorus are the major nutrients present in LSW in addition to the organic carbon. The present study was undertaken to develop an optimal combined treatment system for removing nitrogen from LSW at high hydraulic loading rates as there are hardly any reports on the same. The biological removal of carbon in LSW has been studied in detail earlier using the anaerobic hybrid reactor (HR) and activated sludge process (ASP). The biological nitrogen removal was studied through the conventional route of nitrification process. The effect of different operational parameters was studied to optimize the nitrification in rotating biological contactor (RBC) and aerobic HR. RBC showed better nitrification rate over aerobic HR.
期刊介绍：
Journal of Water Chemistry and Technology focuses on water and wastewater treatment, water pollution monitoring, water purification, and similar topics. The journal publishes original scientific theoretical and experimental articles in the following sections: new developments in the science of water; theoretical principles of water treatment and technology; physical chemistry of water treatment processes; analytical water chemistry; analysis of natural and waste waters; water treatment technology and demineralization of water; biological methods of water treatment; and also solicited critical reviews summarizing the latest findings. The journal welcomes manuscripts from all countries in the English or Ukrainian language. All manuscripts are peer-reviewed.
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