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AU2679888A - Process for producing semibleached kraft pulp - Google Patents

Process for producing semibleached kraft pulp

Info

Publication number
AU2679888A
AU2679888A AU26798/88A AU2679888A AU2679888A AU 2679888 A AU2679888 A AU 2679888A AU 26798/88 A AU26798/88 A AU 26798/88A AU 2679888 A AU2679888 A AU 2679888A AU 2679888 A AU2679888 A AU 2679888A
Authority
AU
Australia
Prior art keywords
producing
kraft pulp
semibleached kraft
semibleached
pulp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
AU26798/88A
Other versions
AU607026B2 (en
Inventor
Oswald Dr. Hemling
Jurgen Meier
Hans Ulrich Dr. Suss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Publication of AU2679888A publication Critical patent/AU2679888A/en
Application granted granted Critical
Publication of AU607026B2 publication Critical patent/AU607026B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU26798/88A 1988-01-28 1988-12-12 Process for producing semibleached kraft pulp Ceased AU607026B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3802401 1988-01-28
DE3802401A DE3802401A1 (en) 1988-01-28 1988-01-28 METHOD FOR PRODUCING SEMI-BLEACHED FUEL

Publications (2)

Publication Number Publication Date
AU2679888A true AU2679888A (en) 1989-08-03
AU607026B2 AU607026B2 (en) 1991-02-21

Family

ID=6346109

Family Applications (1)

Application Number Title Priority Date Filing Date
AU26798/88A Ceased AU607026B2 (en) 1988-01-28 1988-12-12 Process for producing semibleached kraft pulp

Country Status (9)

Country Link
EP (1) EP0325731A1 (en)
AU (1) AU607026B2 (en)
BR (1) BR8900259A (en)
DE (1) DE3802401A1 (en)
FI (1) FI890100L (en)
NO (1) NO885525L (en)
NZ (1) NZ227748A (en)
PT (1) PT89533A (en)
ZA (1) ZA889289B (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991012366A1 (en) * 1990-02-19 1991-08-22 Amcor Limited Bleaching of paper pulp
US5607546A (en) * 1990-02-13 1997-03-04 Molnlycke Ab CTMP-process
US6398908B1 (en) 1991-04-30 2002-06-04 Eka Nobel Ab Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
US6458245B1 (en) 1990-02-13 2002-10-01 Sca Research Ab CTMP-process

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE460124B (en) * 1988-09-14 1989-09-11 Sunds Defibrator SET FOR PREPARATION OF CHEMICAL MECHANICAL MASS OF LEAVES
DE4004364A1 (en) * 1990-02-13 1991-08-14 Sueddeutsche Kalkstickstoff Bleaching and delignifying pre-balanced cellulose - in two stages with peroxide activated with cyanamide or cyanamide salt, avoiding agents contg. chlorine
BE1005800A3 (en) * 1992-05-22 1994-02-01 Solvay Interox Method for the delignification and bleaching of a chemical paper pulp
AU7243594A (en) * 1993-09-15 1995-04-03 Kamyr Inc. Eop stage for chlorine free bleaching
DE29911772U1 (en) 1999-07-06 1999-09-02 Tien, Dieter, 48527 Nordhorn Cleaning device for smooth surfaces, especially for cleaning windows

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1601408A (en) * 1967-06-20 1970-08-24
FI45574C (en) * 1970-05-11 1972-07-10 Kymin Oy Kymmene Ab Process for bleaching cellulosic materials.
FR2457339A1 (en) * 1979-05-25 1980-12-19 Interox PROCESS FOR THE DELIGNIFICATION AND BLEACHING OF CHEMICAL AND SEMI-CHEMICAL CELLULOSIC PASTA

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5607546A (en) * 1990-02-13 1997-03-04 Molnlycke Ab CTMP-process
US6458245B1 (en) 1990-02-13 2002-10-01 Sca Research Ab CTMP-process
WO1991012366A1 (en) * 1990-02-19 1991-08-22 Amcor Limited Bleaching of paper pulp
US6398908B1 (en) 1991-04-30 2002-06-04 Eka Nobel Ab Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound

Also Published As

Publication number Publication date
FI890100A7 (en) 1989-07-29
NO885525D0 (en) 1988-12-13
NO885525L (en) 1989-07-31
BR8900259A (en) 1989-09-19
NZ227748A (en) 1990-04-26
ZA889289B (en) 1989-09-27
FI890100L (en) 1989-07-29
DE3802401A1 (en) 1989-08-03
AU607026B2 (en) 1991-02-21
FI890100A0 (en) 1989-01-09
EP0325731A1 (en) 1989-08-02
PT89533A (en) 1989-10-04

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