Performance assessment of different STPs based on UASB followed by aerobic post treatment systems

Journal of Environmental Health Science Engineering

Absar Ahmad Kazmi¹  Beni Lew⁵  Vasileios Diamantis⁴  Indu Mehrotra¹  Rubia Zahid Gaur³  Abid Ali Khan² 

[1] Department of Civil Engineering, IIT Roorkee Roorkee, India;Royal HaskoningDHV, New Delhi, India;School of Environment and Natural Resources, Doon University, Dehradun, India;Department of Environmental Engineering, Democritus University of Thrace, Xanthi, Greece;Department of Civil Engineering, Ariel University, Ariel 40700, Israel

关键词: Odour;    Sewage treatment plants;    Post treatment systems;    Upflow anaerobic sludge blanket reactor (UASB);    Sewage;   

Others  :  1228853
DOI  :  10.1186/2052-336X-12-43

 received in 2013-03-29, accepted in 2013-11-30,  发布年份 2014

【 摘 要 】

This paper present the experiences gained from the study of ten up flow anaerobic sludge blanket (UASB) based sewage treatment plants (STPs) of different cities of India. Presently 37 UASB based STPs were under operation and about 06 UASB based STPs are under construction and commissioning phase at different towns. The nature of sewage significantly varied at each STP. Two STP were receiving sewage with high sulfate and heavy metals due to the mixing of industrial waste. The treatment performance of all UASB reactors in terms of BOD, COD and TSS were observed between 55 to 70% respectively. The post treatment units down flow hanging sponge (DHS) and Aeration followed by activated sludge process (ASP) at two STPs were performing well and enable to achieve the required disposal standards. Results indicate the effluent quality in terms of BOD and SS were less than 30 and 50 mg/L and well below the discharging standards.

【 授权许可】

   
2014 Khan et al.; licensee BioMed Central Ltd.

【 图 表 】

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