公开(公告)号：US3420450A

公开(公告)日：1969-01-07

申请号：US3420450D

申请日：1965-05-03

Applicant: SVENSKA CELLULOSA AB

Inventor： BERGHOLM CARL ARNE

IPC: B01D19/02 ,  B01D47/04 ,  B05B1/10

CPC classification number: B01D19/02

公开(公告)号：US3675707A

公开(公告)日：1972-07-11

申请号：US3675707D

申请日：1969-12-08

Applicant: SVENSKA CELLULOSA AB

Inventor： ANDERSSON PER-ERIK ,  BERGHOLM CARL ARNE

IPC: C01B17/48 ,  D21C11/06 ,  B01D1/26 ,  D21C11/02 ,  D21C11/12 ,  D21C11/14

CPC classification number: D21C11/06 ,  C01B17/48 ,  Y10S159/16 ,  Y10S159/22 ,  Y10S159/42

Abstract: Sulphite waste liquor is concentrated in a plural effect evaporator; the so-removed vent steam containing SO2 is cooled at low pressure and the condensate discharged; and the resulting gas rich in SO2 is compressed to atmospheric pressure in a vacuum pump requiring little or no sealing water.

Abstract translation: 亚硫酸盐废液集中在多效蒸发器中; 如此排出的含SO2的排气蒸汽在低压下冷却，冷凝液排出; 并且在需要很少或不需要密封水的真空泵中，所产生的富含SO 2的气体被压缩至大气压。

公开(公告)号：US3595038A

公开(公告)日：1971-07-27

申请号：US3595038D

申请日：1968-06-14

Applicant: SVENSKA CELLULOSA AB

Inventor： BERGHOLM CARL ARNE ,  ANKERSSON PER-ERIK ,  HELLERQVIST GUSTAF RUNE

IPC: D21C9/04

CPC classification number: D21C9/04

Abstract: In washing paper pulp or similar fibrous suspension the suspension is moved intermittently vertically through a column. In the dwell periods, washing liquid is forced through the fibrous suspension, and the resulting ''''extract'''' removed, in a generally horizontal direction through perforate screening members forming portions of the column.

公开(公告)号：US3515632A

公开(公告)日：1970-06-02

申请号：US84662769

申请日：1969-07-07

Applicant: SVENSKA CELLULOSA AB

Inventor： BERGHOLM CARL ARNE

IPC: D21C9/04 ,  D21C9/02

CPC classification number: D21C9/04