RU94036007A - Способ делигнификации лигноцеллюлозного материала - Google Patents

Способ делигнификации лигноцеллюлозного материала

Info

Publication number
RU94036007A
RU94036007A RU94036007/12A RU94036007A RU94036007A RU 94036007 A RU94036007 A RU 94036007A RU 94036007/12 A RU94036007/12 A RU 94036007/12A RU 94036007 A RU94036007 A RU 94036007A RU 94036007 A RU94036007 A RU 94036007A
Authority
RU
Russia
Prior art keywords
delignofication
lignocellulose material
ozone
cellulose
chlorine dioxide
Prior art date
Application number
RU94036007/12A
Other languages
English (en)
Inventor
К.Мендиратта Судхир
Us]
В.Колфилд Дэвид
Ф.Рудай Гленн
Р.Партасарати Венкета
Original Assignee
Олин Корпорейшн
Олин Корпорейшн, Дзе Мэд Корпорейшн
Дзе Мэд Корпорейшн (US)
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 Олин Корпорейшн, Олин Корпорейшн, Дзе Мэд Корпорейшн, Дзе Мэд Корпорейшн (US) filed Critical Олин Корпорейшн
Publication of RU94036007A publication Critical patent/RU94036007A/ru

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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

Предлагается способ делигнификации лигноцеллюлозного материала, такого, как древесная целлюлоза, который включает обработку лигноцеллюлозного материала, последовательную или одновременную, газообразным диоксидом хлора и озоном, и который дает делигнифицированный целлюлозный материал и сточные воды, имеющие пониженное содержание органических галогенидов (АОХ).1 с. и 22 з.п.ф-лы.

Claims (1)

  1. Предлагается способ делигнификации лигноцеллюлозного материала, такого, как древесная целлюлоза, который включает обработку лигноцеллюлозного материала, последовательную или одновременную, газообразным диоксидом хлора и озоном, и который дает делигнифицированный целлюлозный материал и сточные воды, имеющие пониженное содержание органических галогенидов (АОХ).1 с. и 22 з.п.ф-лы.
RU94036007/12A 1992-01-22 1993-01-19 Способ делигнификации лигноцеллюлозного материала RU94036007A (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US82379592A 1992-01-22 1992-01-22
US823795 1992-01-22

Publications (1)

Publication Number Publication Date
RU94036007A true RU94036007A (ru) 1996-06-10

Family

ID=25239744

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94036007/12A RU94036007A (ru) 1992-01-22 1993-01-19 Способ делигнификации лигноцеллюлозного материала

Country Status (10)

Country Link
EP (1) EP0705361A1 (ru)
JP (1) JPH07502082A (ru)
AU (1) AU656658B2 (ru)
BR (1) BR9305760A (ru)
CA (1) CA2128408A1 (ru)
FI (1) FI943466A0 (ru)
NZ (1) NZ245712A (ru)
RU (1) RU94036007A (ru)
WO (1) WO1993015264A1 (ru)
ZA (1) ZA93224B (ru)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2783531C1 (ru) * 2012-10-02 2022-11-14 Кэлифорниа Инститьют Оф Текнолоджи Способ снижения содержания лигнина в сырье для биомассы
US11753421B2 (en) 2014-08-06 2023-09-12 California Institute Of Technology Silylated derivatives of aromatic heterocycles

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2743094B1 (fr) * 1995-12-27 1998-02-13 Centre Tech Ind Papier Procede de blanchiment des pates a papier chimiques
US6773547B2 (en) * 1998-05-08 2004-08-10 American Air Liquide, Inc. Process for the bleaching of low consistency pulp using high partial pressure ozone
US6579412B2 (en) * 1998-05-08 2003-06-17 L'air Liquide - Societe' Anonyme A' Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for ozone bleaching of low consistency pulp
WO2002016691A1 (en) * 2000-08-25 2002-02-28 Akzo Nobel N.V. Chemical method
FI122626B (fi) 2006-03-31 2012-04-30 Laennen Tutkimus Western Res Inc Oy Kemiallisen massan valkaisumenetelmä
WO2019094419A1 (en) * 2017-11-07 2019-05-16 Ingevity South Carolina, Llc Methods of making low color lignin

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1957937A (en) * 1930-10-10 1934-05-08 Int Paper Co Process of bleaching fibrous cellulose material
CA902859A (en) * 1969-11-26 1972-06-20 Pulp And Paper Research Institute Of Canada Chemical reaction between a solid and a gas
US3810969A (en) * 1971-06-22 1974-05-14 Hooker Chemical Corp Process for the production of chlorine dioxide
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
US4902381A (en) * 1988-12-09 1990-02-20 Kamyr, Inc. Method of bleaching pulp with ozone-chlorine mixtures
US4959124A (en) * 1989-05-05 1990-09-25 International Paper Company Method of bleaching kraft pulp in a DZED sequence
US5034095A (en) * 1989-06-01 1991-07-23 Oji Paper Co., Ltd. Apparatus and process for the delignification of cellulose pulp
CA2089477A1 (en) * 1990-08-14 1992-02-15 Ted Y. Tsai Bleaching chemical pulp using chlorine/chlorine dioxide then ozone

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2783531C1 (ru) * 2012-10-02 2022-11-14 Кэлифорниа Инститьют Оф Текнолоджи Способ снижения содержания лигнина в сырье для биомассы
US11753421B2 (en) 2014-08-06 2023-09-12 California Institute Of Technology Silylated derivatives of aromatic heterocycles

Also Published As

Publication number Publication date
AU656658B2 (en) 1995-02-09
BR9305760A (pt) 1997-01-28
ZA93224B (en) 1993-08-18
EP0705361A1 (en) 1996-04-10
FI943466A (fi) 1994-07-21
FI943466A0 (fi) 1994-07-21
WO1993015264A1 (en) 1993-08-05
EP0705361A4 (en) 1995-09-27
NZ245712A (en) 1994-09-27
CA2128408A1 (en) 1993-08-05
AU3476993A (en) 1993-09-01
JPH07502082A (ja) 1995-03-02

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