公开(公告)号：FI882328A0

公开(公告)日：1988-05-18

申请号：FI882328

申请日：1988-05-18

Applicant: BASF AG

Inventor： GOESELE WILHELM ,  NONN GUENTHER ,  SCHREINER SIEGFRIED ,  SEID BERHARD ,  THIELE HEINO

IPC: B01F7/08 ,  C01B17/66 ,  D06P1/22 ,  D06P1/30 ,  D06P1/673 ,  D21C9/10 ,  C01B

Abstract: Highly concentrated pumpable hydrosulphite pastes which are free of sediments are prepared from solid and liquid feed materials by continuously mixing and dispersing pulverulent sodium dithionite (2) and an organic liquid (8) inert towards sodium dithionite in an intensive mixer (5) comprising mixing and dispersing elements arranged in steps.