公开(公告)号：DE10342138A1

公开(公告)日：2005-04-07

申请号：DE10342138

申请日：2003-09-12

Applicant: BASF AG

Inventor： DIEBOLD BERND ,  STURM JUERGEN ,  WEIS DIETER ,  FRANCKE DANIEL ,  FRANKE AXEL ,  NILGES JOACHIM ,  TERSTEGEN BERND ,  HENSING HEIKO ,  FOERSTER MARKUS ,  RUMPF BERND ,  WASMER KARL-HEINZ ,  DILLMANN PETER

IPC: B01J19/02 ,  C23C18/16 ,  C23C18/18

Abstract: Coating an apparatus made from high-grade steel used in a chemical installation comprises pickling surfaces to be coated using an activator heated to 40-85 [deg] C made from a mixture of 10-300 ml hydrochloric or hydrofluoric acid, 1-5 ml sulfuric acid, 1-2 g iron (III) chloride, 6-12 g nickel chloride, 10-20 ml citric acid and water, removing the activator using an inert medium and directly coating the surfaces.