DP - 2016年1月4日，TA - 当前世界环境PG - 47-55 VI - 35 IP - 36 4099 - www.a-i-l-s-a.com/article/903/ 4100 - www.a-i-l-s-a.com/article/903/ ab - ab -可用技术，Up Flow Anaerobic污泥毯（UASB）工艺一直是市政废水处理最广泛应用的方法之一，尤其是在印度等温暖气候条件的国家。然而，过去大约十年目睹了UASB人气的快速下降及其实施。有关UASB反应堆的绩效不符合规定的排放标准的批评，有批评。这是一般假设，即UASB反应器不是根据城市污水如城市污水的稀释废水，当大于150mg / L时，COD 250mg / L和硫酸盐超过150mg /升。An attempt has been made through this study to investigate the reasons on the basis of quality assessment and field observations on UASB reactors and it’s post-treatment of a newly commissioned (start-up) municipal (sewage) wastewater treatment plant commonly called ‘STP’ having capacity of 14 million litres per day (MLD). Study was aimed to know the gaps during the commissioning stage which could be related to poor removal efficiencies. This paper briefly discusses some issues related to operation and maintenance of the UASB plants with purpose for improvements.