It is concluded that the combined biofilm process has better resistance to shock loads,high nitrogen removal efficiency and consistent effluent quality.

The design and operation of combined biofilm SBR process in reuse project of reclaimed water in Xinghe Dandi residential area are presented.

The long-term operation of the technological process in Beijing Jingfeng Thermal Power Plant proved ultrafiltration (UF) as the pretreatment of reverse osmosis (RO) to be feasible,and also accumulated applicable experience in treatment of sewage from power plant by the dual-membrane process,having an important significance for water saving in power trade.

Treatment of coke plant wastewater with attached anoxic-oxic biological film process;

The laboratory test of membrane biological process of organic wastewater from brassylic acid manufacturing plant;