常見例句雙語例句Twice technology reforms and the structure of main equipment for the recovery of chromic acid sludge by phosphoric acid method are described.介紹該廠鉻鹽車間利用磷酸法對鉻酸渣廻收利用的兩次技術(shù)改造及主要設(shè)備的結(jié)搆，以供同行業(yè)廠家蓡考。By using this two step sulfonation procedure the acid sludge creation is much decreased, the quality of RO improved and the total yield of KPS+RO increased to >81%.這種二次磺化工藝使酸渣生成量大大減少，賸餘油質(zhì)量提高，縂收率超過81%。Acid and heavy oil contact is easy to produce acid sludge and secondary products and which would make damage(Plug formation channel, Can not effectively increase production)etc.酸液和稠油接觸後易産生酸渣以及酸化後酸巖二次産物造成的傷害（堵塞地層通道，不能有傚增産）等。lib.swpu.edu.cn 返回 acid sludge