日期:2012-04-18 09:33
ess parameters were determined as follows： temperature 40 ℃，pH 7．5―8．5，inoculation dose 60％， Na2Si03・9H20 5-7 g／L，Na3P04・12H20 5-20 g／L，OP-10 2 g／L，and speed of mtary shaker l 50 r／min．The degreasing test proved that oil removal using microorganisms is feasible for the application to electroplating pretreatment．
Keywords：biological degreasing agent；microorganism； electroplating；pretreatment；orthogonal test
First-author’S address：Ocean College，Harbin Institutes of Tech