RU94036007A - Способ делигнификации лигноцеллюлозного материала - Google Patents
Способ делигнификации лигноцеллюлозного материалаInfo
- 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
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)
- 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.
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)
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)
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)
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 |
-
1993
- 1993-01-13 ZA ZA93224A patent/ZA93224B/xx unknown
- 1993-01-19 RU RU94036007/12A patent/RU94036007A/ru unknown
- 1993-01-19 AU AU34769/93A patent/AU656658B2/en not_active Ceased
- 1993-01-19 EP EP93903543A patent/EP0705361A1/en not_active Withdrawn
- 1993-01-19 JP JP5513284A patent/JPH07502082A/ja active Pending
- 1993-01-19 CA CA002128408A patent/CA2128408A1/en not_active Abandoned
- 1993-01-19 BR BR9305760A patent/BR9305760A/pt not_active Application Discontinuation
- 1993-01-19 WO PCT/US1993/000408 patent/WO1993015264A1/en not_active Application Discontinuation
- 1993-01-20 NZ NZ245712A patent/NZ245712A/en unknown
-
1994
- 1994-07-21 FI FI943466A patent/FI943466A0/fi not_active Application Discontinuation
Cited By (2)
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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