RU2072014C1 - Способ отбеливания лигноцеллюлозосодержащей древесной пульпы - Google Patents

Способ отбеливания лигноцеллюлозосодержащей древесной пульпы Download PDF

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Publication number
RU2072014C1
RU2072014C1 RU9393049739A RU93049739A RU2072014C1 RU 2072014 C1 RU2072014 C1 RU 2072014C1 RU 9393049739 A RU9393049739 A RU 9393049739A RU 93049739 A RU93049739 A RU 93049739A RU 2072014 C1 RU2072014 C1 RU 2072014C1
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RU
Russia
Prior art keywords
pulp
bleaching
compound
peroxide
magnesium
Prior art date
Application number
RU9393049739A
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English (en)
Russian (ru)
Other versions
RU93049739A (ru
Inventor
Хольтингер Лиллемор
Херманссон Венке
Андерссон Леннарт
Баста Йири
Линстен Магнус
Original Assignee
Ека Нобель Актиеболаг
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.)
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20387625&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=RU2072014(C1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ека Нобель Актиеболаг filed Critical Ека Нобель Актиеболаг
Publication of RU93049739A publication Critical patent/RU93049739A/ru
Application granted granted Critical
Publication of RU2072014C1 publication Critical patent/RU2072014C1/ru

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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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Stringed Musical Instruments (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
RU9393049739A 1992-10-29 1993-10-29 Способ отбеливания лигноцеллюлозосодержащей древесной пульпы RU2072014C1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9203200-2 1992-10-29
SE9203200A SE512137C2 (sv) 1992-10-29 1992-10-29 Förfarande för blekning av lignocellulosahaltig massa

Publications (2)

Publication Number Publication Date
RU93049739A RU93049739A (ru) 1996-01-10
RU2072014C1 true RU2072014C1 (ru) 1997-01-20

Family

ID=20387625

Family Applications (1)

Application Number Title Priority Date Filing Date
RU9393049739A RU2072014C1 (ru) 1992-10-29 1993-10-29 Способ отбеливания лигноцеллюлозосодержащей древесной пульпы

Country Status (16)

Country Link
EP (1) EP0595386B2 (fi)
JP (1) JPH06207392A (fi)
AT (1) ATE180523T1 (fi)
AU (1) AU659039B2 (fi)
BR (1) BR9304438A (fi)
CA (1) CA2109179A1 (fi)
CZ (1) CZ284366B6 (fi)
DE (1) DE69325070D1 (fi)
FI (1) FI934705A (fi)
MX (1) MX9306618A (fi)
NO (1) NO302766B1 (fi)
NZ (1) NZ250050A (fi)
RU (1) RU2072014C1 (fi)
SE (1) SE512137C2 (fi)
SK (1) SK117593A3 (fi)
ZA (1) ZA937908B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3724033B2 (ja) * 1996-01-30 2005-12-07 住友電気工業株式会社 高強度・高耐熱アルミニウム合金およびその製造方法、導電線ならびに架空用電線
AUPP476398A0 (en) * 1998-07-21 1998-08-13 Orica Australia Pty Ltd Bleaching process
DE102009050570B4 (de) 2008-10-23 2017-07-06 Bene_Fit Systems Gmbh & Co. Kg Herstellungsverfahren für gebleichte organische Fasermaterialien und Verwendung eines Bleichmittels

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US422819A (en) * 1890-03-04 Frederick j
US2687943A (en) * 1951-06-26 1954-08-31 Du Pont Bleaching of mechanical wood pulp
US3507744A (en) * 1966-04-01 1970-04-21 Kimberly Clark Co Wood pulp bleaching process utilizing peroxide pyrophosphate high concentration compositions
JPS51102103A (en) * 1975-03-05 1976-09-09 Nippon Parupu Kogyo Kk Ryusanenhoparupuno hyohakuhoho
JPS583074B2 (ja) * 1975-11-17 1983-01-19 三菱瓦斯化学株式会社 パルプノ カサンカブツヒヨウハクホウ
SE420430B (sv) † 1978-02-17 1981-10-05 Mo Och Domsjoe Ab Forfarande for blekning och extraktion av lignocellulosahaltig material med peroxidhaltiga blekmedel
JPS5927436B2 (ja) * 1979-05-29 1984-07-05 王子製紙株式会社 木材パルプの過酸化物漂白方法
JPS5721590A (en) * 1980-07-11 1982-02-04 Mitsubishi Gas Chemical Co Peroxide bleaching of wood pulp
FR2520397A1 (fr) * 1982-01-28 1983-07-29 Centre Tech Ind Papier Procede pour le traitement de pates papetieres chimiques
AT380496B (de) * 1984-06-27 1986-05-26 Steyrermuehl Papier Verfahren und reaktor zur delignifizierung von zellstoff mit sauerstoff
JP2827235B2 (ja) * 1988-11-22 1998-11-25 三菱瓦斯化学株式会社 高収率パルプの漂白法
JPH0364589A (ja) * 1989-07-28 1991-03-19 Mitsubishi Gas Chem Co Inc 化学パルプの漂白方法
US5091054A (en) † 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
CA2053035C (en) † 1990-10-12 1997-09-30 Repap Enterprises Inc. Chlorine-free wood pulps and process of making
SE470065C (sv) * 1991-04-30 1996-01-15 Eka Nobel Ab Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Патент США N 4619733, кл. D 21 C 9/146, 1986. *

Also Published As

Publication number Publication date
EP0595386A1 (en) 1994-05-04
NO933873D0 (no) 1993-10-27
NZ250050A (en) 1994-12-22
CZ284366B6 (cs) 1998-11-11
CA2109179A1 (en) 1994-04-30
EP0595386B1 (en) 1999-05-26
FI934705A (fi) 1994-04-30
SE9203200L (sv) 1994-04-30
BR9304438A (pt) 1994-05-03
AU659039B2 (en) 1995-05-04
AU4919993A (en) 1994-05-12
NO302766B1 (no) 1998-04-20
SE512137C2 (sv) 2000-01-31
EP0595386B2 (en) 2002-07-17
MX9306618A (es) 1994-04-29
ZA937908B (en) 1994-05-24
JPH06207392A (ja) 1994-07-26
SK117593A3 (en) 1994-05-11
CZ224193A3 (en) 1994-05-18
ATE180523T1 (de) 1999-06-15
NO933873L (no) 1994-05-02
FI934705A0 (fi) 1993-10-25
SE9203200D0 (sv) 1992-10-29
DE69325070D1 (de) 1999-07-01

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