KR910008225A - Chlorine-free bleaching method of wood pulp - Google Patents

Chlorine-free bleaching method of wood pulp

Info

Publication number
KR910008225A
KR910008225A KR1019900016532A KR900016532A KR910008225A KR 910008225 A KR910008225 A KR 910008225A KR 1019900016532 A KR1019900016532 A KR 1019900016532A KR 900016532 A KR900016532 A KR 900016532A KR 910008225 A KR910008225 A KR 910008225A
Authority
KR
South Korea
Prior art keywords
chlorine
wood pulp
bleaching method
free bleaching
free
Prior art date
Application number
KR1019900016532A
Other languages
Korean (ko)
Other versions
KR100194405B1 (en
Inventor
허버트 시타
제라드 게츠잉어
안톤 헤그링어
피터 헨델
빌프레드 루첼
윌터 피터
프리드리히 크루츠
알프레드 쉬리트위서
만프레드 쉬니바이츠
Original Assignee
렌찡 악티엔게젤샤프트
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 렌찡 악티엔게젤샤프트 filed Critical 렌찡 악티엔게젤샤프트
Publication of KR910008225A publication Critical patent/KR910008225A/en
Application granted granted Critical
Publication of KR100194405B1 publication Critical patent/KR100194405B1/en

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
KR1019900016532A 1989-10-30 1990-10-17 Chlorine-Free Bleaching Method of Wood Pulp KR100194405B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0249489A AT404740B (en) 1989-10-30 1989-10-30 Process for the chlorine-free bleaching of pulps
AT2494/89 1989-10-30

Publications (2)

Publication Number Publication Date
KR910008225A true KR910008225A (en) 1991-05-30
KR100194405B1 KR100194405B1 (en) 1999-06-15

Family

ID=3535300

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900016532A KR100194405B1 (en) 1989-10-30 1990-10-17 Chlorine-Free Bleaching Method of Wood Pulp

Country Status (7)

Country Link
KR (1) KR100194405B1 (en)
AT (1) AT404740B (en)
CZ (1) CZ283692B6 (en)
LT (1) LT3393B (en)
PL (1) PL164587B1 (en)
RU (1) RU2044809C1 (en)
ZA (1) ZA908684B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10158449C1 (en) * 2001-11-30 2003-12-24 Wedeco Umwelttechnologie Gmbh Method and device for compressing ozone-containing gas for ozone pulp bleaching
WO2011119423A2 (en) * 2010-03-23 2011-09-29 International Paper Company Improved bctmp filtrate recycling system and method
EP2954115B1 (en) * 2013-02-08 2022-01-12 GP Cellulose GmbH Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE406430C (en) 1923-02-10 1924-11-21 Manfred Gottfried Semper Dr In Refining process for precious metals and their alloys
US3775359A (en) 1967-08-04 1973-11-27 Diamond Shamrock Corp Rigid polyvinyl chloride resin powder composition for extrusion processes
US3635834A (en) 1969-12-22 1972-01-18 Squibb & Sons Inc Process for preparing semisolid emulsions
US4119486A (en) * 1975-08-14 1978-10-10 Westvaco Corporation Process for bleaching wood pulp with ozone in the presence of a cationic surfactant
US4080249A (en) * 1976-06-02 1978-03-21 International Paper Company Delignification and bleaching of a lignocellulosic pulp slurry with ozone
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US4283251A (en) * 1980-01-24 1981-08-11 Scott Paper Company Ozone effluent bleaching
DE3118384C1 (en) * 1981-05-09 1982-11-11 Mannesmann AG, 4000 Düsseldorf Process for bleaching chemically produced pulp with ozone
US4619733A (en) * 1983-11-30 1986-10-28 Kooi Boon Lam Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor
AT380496B (en) * 1984-06-27 1986-05-26 Steyrermuehl Papier METHOD AND REACTOR FOR DELIGNIFYING CELLULAR WITH OXYGEN
AT384837B (en) * 1985-06-27 1988-01-11 Steyrermuehl Papier Process and arrangement for the delignification of pulp with oxygen
JPH0768675B2 (en) 1986-10-13 1995-07-26 新王子製紙株式会社 Oxygen delignification and bleaching method for cellulose pulp

Also Published As

Publication number Publication date
RU2044809C1 (en) 1995-09-27
AT404740B (en) 1999-02-25
ATA249489A (en) 1992-01-15
LTIP754A (en) 1995-01-31
KR100194405B1 (en) 1999-06-15
LT3393B (en) 1995-08-25
CZ283692B6 (en) 1998-06-17
ZA908684B (en) 1991-08-28
PL164587B1 (en) 1994-08-31

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Legal Events

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A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee