CN1297085A - 在纸浆漂白中应用活化臭氧的方法 - Google Patents

在纸浆漂白中应用活化臭氧的方法 Download PDF

Info

Publication number: CN1297085A
Authority: CN; China
Prior art keywords: paper pulp; ozone; workshop section; ethanol; pulp
Prior art date: 1999-11-19
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.): Pending

Application number

CN00128482A

Other languages

English (en)

Chinese (zh)

Inventor

J·L·科罗德特

A·C·H·德布里托

M·R·达斯尔瓦

E·萨尔瓦多

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.)

Praxair Technology Inc

Original Assignee

Praxair Technology Inc

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.)

1999-11-19

Filing date

2000-11-17

Publication date

2001-05-30

2000-11-17 Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc

2001-05-30 Publication of CN1297085A publication Critical patent/CN1297085A/zh

Status Pending legal-status Critical Current

Links

CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical class [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 161
238000000034 method Methods 0.000 title claims abstract description 83
238000004061 bleaching Methods 0.000 title claims abstract description 74
229920001131 Pulp (paper) Polymers 0.000 title claims description 117
IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims abstract description 204
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 135
239000000203 mixture Substances 0.000 claims abstract description 51
238000006243 chemical reaction Methods 0.000 claims abstract description 20
238000000605 extraction Methods 0.000 claims abstract description 8
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 54
230000008569 process Effects 0.000 claims description 49
239000004155 Chlorine dioxide Substances 0.000 claims description 27
235000019398 chlorine dioxide Nutrition 0.000 claims description 27
229920005610 lignin Polymers 0.000 claims description 27
239000003513 alkali Substances 0.000 claims description 22
239000000835 fiber Substances 0.000 claims description 13
238000012545 processing Methods 0.000 claims description 13
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 12
239000000463 material Substances 0.000 claims description 12
230000003647 oxidation Effects 0.000 claims description 12
238000007254 oxidation reaction Methods 0.000 claims description 12
239000007800 oxidant agent Substances 0.000 claims description 6
230000035484 reaction time Effects 0.000 claims description 6
150000007522 mineralic acids Chemical class 0.000 claims description 5
239000007844 bleaching agent Substances 0.000 claims description 3
238000005063 solubilization Methods 0.000 claims description 3
230000007928 solubilization Effects 0.000 claims description 3
229910052723 transition metal Inorganic materials 0.000 claims description 3
150000003624 transition metals Chemical class 0.000 claims description 3
239000002253 acid Substances 0.000 claims description 2
238000006386 neutralization reaction Methods 0.000 claims description 2
239000007789 gas Substances 0.000 claims 2
238000004040 coloring Methods 0.000 claims 1
230000001590 oxidative effect Effects 0.000 abstract description 3
239000012978 lignocellulosic material Substances 0.000 abstract 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
239000000654 additive Substances 0.000 description 29
229910052760 oxygen Inorganic materials 0.000 description 21
230000000996 additive effect Effects 0.000 description 20
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 19
239000001301 oxygen Substances 0.000 description 19
239000002655 kraft paper Substances 0.000 description 14
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
238000005406 washing Methods 0.000 description 12
239000003795 chemical substances by application Substances 0.000 description 11
239000010865 sewage Substances 0.000 description 8
239000011122 softwood Substances 0.000 description 8
239000000123 paper Substances 0.000 description 7
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
150000001720 carbohydrates Chemical class 0.000 description 6
239000012153 distilled water Substances 0.000 description 6
230000000694 effects Effects 0.000 description 6
230000006872 improvement Effects 0.000 description 6
239000002351 wastewater Substances 0.000 description 6
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
239000000460 chlorine Substances 0.000 description 5
229910052801 chlorine Inorganic materials 0.000 description 5
230000002079 cooperative effect Effects 0.000 description 5
238000004076 pulp bleaching Methods 0.000 description 5
230000009467 reduction Effects 0.000 description 5
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
230000008901 benefit Effects 0.000 description 4
239000011121 hardwood Substances 0.000 description 4
230000001105 regulatory effect Effects 0.000 description 4
229920002678 cellulose Polymers 0.000 description 3
239000001913 cellulose Substances 0.000 description 3
239000003153 chemical reaction reagent Substances 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
229960001760 dimethyl sulfoxide Drugs 0.000 description 3
229910052739 hydrogen Inorganic materials 0.000 description 3
238000009897 hydrogen peroxide bleaching Methods 0.000 description 3
ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
150000003254 radicals Chemical class 0.000 description 3
239000000126 substance Substances 0.000 description 3
KSMVNVHUTQZITP-UHFFFAOYSA-N 2,3,7,8-Tetrachlorodibenzofuran Chemical compound O1C2=CC(Cl)=C(Cl)C=C2C2=C1C=C(Cl)C(Cl)=C2 KSMVNVHUTQZITP-UHFFFAOYSA-N 0.000 description 2
HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
229940123457 Free radical scavenger Drugs 0.000 description 2
235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
235000011613 Pinus brutia Nutrition 0.000 description 2
241000018646 Pinus brutia Species 0.000 description 2
238000009825 accumulation Methods 0.000 description 2
230000004913 activation Effects 0.000 description 2
238000007792 addition Methods 0.000 description 2
230000015556 catabolic process Effects 0.000 description 2
239000007799 cork Substances 0.000 description 2
230000006378 damage Effects 0.000 description 2
238000000354 decomposition reaction Methods 0.000 description 2
238000006731 degradation reaction Methods 0.000 description 2
230000007613 environmental effect Effects 0.000 description 2
239000003960 organic solvent Substances 0.000 description 2
150000004965 peroxy acids Chemical class 0.000 description 2
239000002516 radical scavenger Substances 0.000 description 2
238000012546 transfer Methods 0.000 description 2
BPRJTLAULHNDLP-UHFFFAOYSA-N Chloropanaxydiol Chemical compound CCCCCCCC1OC1CC#CC#CC(O)C(O)CCl BPRJTLAULHNDLP-UHFFFAOYSA-N 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
102000004190 Enzymes Human genes 0.000 description 1
108090000790 Enzymes Proteins 0.000 description 1
PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
229920002522 Wood fibre Polymers 0.000 description 1
230000009471 action Effects 0.000 description 1
238000013459 approach Methods 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
230000008859 change Effects 0.000 description 1
150000001805 chlorine compounds Chemical class 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
230000000536 complexating effect Effects 0.000 description 1
230000001276 controlling effect Effects 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
238000006073 displacement reaction Methods 0.000 description 1
238000003912 environmental pollution Methods 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
229910052731 fluorine Inorganic materials 0.000 description 1
239000011737 fluorine Substances 0.000 description 1
231100000734 genotoxic potential Toxicity 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
125000004356 hydroxy functional group Chemical group O* 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000005259 measurement Methods 0.000 description 1
230000003472 neutralizing effect Effects 0.000 description 1
230000000269 nucleophilic effect Effects 0.000 description 1
238000005457 optimization Methods 0.000 description 1
239000003791 organic solvent mixture Substances 0.000 description 1
230000036284 oxygen consumption Effects 0.000 description 1
150000002978 peroxides Chemical class 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
238000003825 pressing Methods 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
238000004537 pulping Methods 0.000 description 1
230000009257 reactivity Effects 0.000 description 1
238000011160 research Methods 0.000 description 1
238000012552 review Methods 0.000 description 1
239000002002 slurry Substances 0.000 description 1
SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
238000010998 test method Methods 0.000 description 1
239000002025 wood fiber Substances 0.000 description 1

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
- D21C9/101—Bleaching ; Apparatus therefor in solvent medium
- 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
- 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
- D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds

Landscapes

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

CN00128482A 1999-11-19 2000-11-17 在纸浆漂白中应用活化臭氧的方法 Pending CN1297085A (zh)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US44332399A	1999-11-19	1999-11-19
US09/443323		1999-11-19

Publications (1)

Publication Number	Publication Date
CN1297085A true CN1297085A (zh)	2001-05-30

Family

ID=23760340

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CN00128482A Pending CN1297085A (zh)	1999-11-19	2000-11-17	在纸浆漂白中应用活化臭氧的方法

Country Status (5)

Country	Link
EP (1)	EP1101860A1 (de)
KR (1)	KR20010051774A (de)
CN (1)	CN1297085A (de)
BR (1)	BR0005444A (de)
CA (1)	CA2326311A1 (de)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2005064077A1 (fr) *	2003-12-25	2005-07-14	Xiuquan Mei	Procede de reduction en pate par bio-oxydation en cycle ferme a zero rejet
WO2005064076A1 (fr) *	2003-12-25	2005-07-14	Xiuquan Mei	Procede de reduction en pate par oxydation en cycle ferme sans rejet
CN100404754C (zh) *	2002-10-18	2008-07-23	梅秀泉	生物/氧化法造芦苇浆的制备方法
CN100404753C (zh) *	2002-10-18	2008-07-23	梅秀泉	氧化法全棉秆造新闻纸浆及其制备方法
CN101105011B (zh) *	2004-01-17	2010-05-12	梅秀泉	一种氧脱木素和漂白一体化制浆方法及实现该方法的装置
CN101063278B (zh) *	2006-04-26	2010-12-15	北京国力源高分子科技研发中心	干香蕉茎在氧自由基脱/漂一体化反应釜中生产漂白纸浆的方法
CN102995478A (zh) *	2011-09-09	2013-03-27	吉林化纤集团有限责任公司	一种制备高质量低污染竹材溶解浆的漂白方法
CN102027167B (zh) *	2008-05-13	2013-06-12	美佐纸业股份有限公司	用臭氧、二氧化氯和过氧化物漂白纸浆的方法
CN103652828A (zh) *	2013-11-30	2014-03-26	陕西科技大学	一种苹果膳食纤维的脱色处理方法
CN109063995A (zh) *	2018-07-23	2018-12-21	华南理工大学	一种生物质组分分离利用工艺过程中源污染物质的环境效果评定方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100811196B1 (ko) *	2005-10-12	2008-03-17	(주)페가서스인터내셔널	외피가 두꺼운 홍조류를 이용한 펄프의 제조방법
CN101463573B (zh) *	2008-12-08	2010-12-08	沅江纸业有限责任公司	一种草浆漂白工艺
CN104674588A (zh) *	2015-03-26	2015-06-03	广西大学	一种优化二氧化氯漂白的方法
CN104790241B (zh) *	2015-05-12	2016-08-17	四川理工学院	一种高纯度高质量竹材溶解浆的清洁制备方法
CN105839449B (zh) *	2016-04-07	2017-08-25	四川理工学院	一种粘胶级竹浆粕的清洁制备方法
RU2724362C1 (ru) *	2019-07-04	2020-06-23	Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет промышленных технологий и дизайна (СПбГУПТД)"	Способ отбелки целлюлозы
CN110656527A (zh) *	2019-09-12	2020-01-07	华南理工大学	一种臭氧和二氧化氯协同高效漂白中浓纸浆的方法及装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AT373303B (de) *	1981-08-06	1984-01-10	Chemiefaser Lenzing Ag	Verfahren zur herstellung von zellstoffen mit niedrigem ligningehalt
US4959124A (en) *	1989-05-05	1990-09-25	International Paper Company	Method of bleaching kraft pulp in a DZED sequence
FR2692499B1 (fr) *	1992-06-22	1994-08-26	Atochem Elf Sa	Procédé de délignification et de blanchiment d'une matière lignocellulosique.
US5411635A (en) *	1993-03-22	1995-05-02	The Research Foundation Of State University Of New York	Ozone/peroxymonosulfate process for delignifying a lignocellulosic material
FI964715A7 (fi) *	1996-11-26	1998-05-27	Oy Keskuslaboratorio Centrallaboratorium Ab	Menetelmä selluloosamassan valkaisemiseksi

2000
- 2000-11-17 BR BR0005444-5A patent/BR0005444A/pt not_active Application Discontinuation
- 2000-11-17 EP EP00125129A patent/EP1101860A1/de not_active Withdrawn
- 2000-11-17 CN CN00128482A patent/CN1297085A/zh active Pending
- 2000-11-17 KR KR1020000068431A patent/KR20010051774A/ko not_active Withdrawn
- 2000-11-17 CA CA002326311A patent/CA2326311A1/en not_active Abandoned

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN100404754C (zh) *	2002-10-18	2008-07-23	梅秀泉	生物/氧化法造芦苇浆的制备方法
CN100404753C (zh) *	2002-10-18	2008-07-23	梅秀泉	氧化法全棉秆造新闻纸浆及其制备方法
WO2005064077A1 (fr) *	2003-12-25	2005-07-14	Xiuquan Mei	Procede de reduction en pate par bio-oxydation en cycle ferme a zero rejet
WO2005064076A1 (fr) *	2003-12-25	2005-07-14	Xiuquan Mei	Procede de reduction en pate par oxydation en cycle ferme sans rejet
CN100420789C (zh) *	2003-12-25	2008-09-24	梅秀泉	全封闭零排放氧化法清洁制浆方法
CN100420788C (zh) *	2003-12-25	2008-09-24	梅秀泉	全封闭零排放生物/氧化法清洁造纸浆方法和由此获得的纸浆
CN101105011B (zh) *	2004-01-17	2010-05-12	梅秀泉	一种氧脱木素和漂白一体化制浆方法及实现该方法的装置
CN101063278B (zh) *	2006-04-26	2010-12-15	北京国力源高分子科技研发中心	干香蕉茎在氧自由基脱/漂一体化反应釜中生产漂白纸浆的方法
CN102027167B (zh) *	2008-05-13	2013-06-12	美佐纸业股份有限公司	用臭氧、二氧化氯和过氧化物漂白纸浆的方法
CN102995478A (zh) *	2011-09-09	2013-03-27	吉林化纤集团有限责任公司	一种制备高质量低污染竹材溶解浆的漂白方法
CN102995478B (zh) *	2011-09-09	2015-04-15	吉林化纤集团有限责任公司	一种制备高质量低污染竹材溶解浆的漂白方法
CN103652828A (zh) *	2013-11-30	2014-03-26	陕西科技大学	一种苹果膳食纤维的脱色处理方法
CN109063995A (zh) *	2018-07-23	2018-12-21	华南理工大学	一种生物质组分分离利用工艺过程中源污染物质的环境效果评定方法
CN109063995B (zh) *	2018-07-23	2021-09-21	华南理工大学	一种生物质组分分离利用工艺过程中源污染物质的环境效果评定方法

Also Published As

Publication number	Publication date
BR0005444A (pt)	2001-07-03
KR20010051774A (ko)	2001-06-25
CA2326311A1 (en)	2001-05-19
EP1101860A1 (de)	2001-05-23

Legal Events

Date	Code	Title	Description
2001-05-30	C06	Publication
2001-05-30	PB01	Publication
2001-11-28	ASS	Succession or assignment of patent right	Owner name: PLEX TECHNOLOGIES CORP. Free format text: FORMER OWNER: PLACER TECHNOLOGY CO., LTD. Effective date: 20010824
2001-11-28	C41	Transfer of patent application or patent right or utility model
2001-11-28	TA01	Transfer of patent application right	Effective date of registration: 20010824 Applicant after: Praxair Technology, Inc. Applicant before: Praxair Technology Inc.
2003-07-30	C02	Deemed withdrawal of patent application after publication (patent law 2001)
2003-07-30	WD01	Invention patent application deemed withdrawn after publication

Publication	Publication Date	Title
CN1297085A (zh)	2001-05-30	在纸浆漂白中应用活化臭氧的方法
EP0745154B1 (de)	1998-09-16	Mehrkomponentensystem zum verändern, abbau oder bleichen von lignin, ligninhaltigen materialien oder ähnlichen stoffen sowie verfahren zu seiner anwendung
RU2154704C1 (ru)	2000-08-20	Многокомпонентная система для модификации, разложения или отбеливания лигнина, лигниносодержащих материалов или аналогичных веществ и способ ее применения
CA1259456A (en)	1989-09-19	Enhanced oxidative extraction
JP2592747B2 (ja)	1997-03-19	リグノセルロース含有パルプの漂白方法
JP2898090B2 (ja)	1999-05-31	二酸化塩素／塩素の塩素化パルプのオゾン処理
JPH09143891A (ja)	1997-06-03	製紙用化学パルプの漂白方法
CN1044504C (zh)	1999-08-04	纸浆漂白的方法
EP0395792A2 (de)	1990-11-07	Verfahren zum Bleichen von Zellstoff
EP2247782B1 (de)	2014-07-02	Verfahren für faserstoffbleichung
RU2445413C1 (ru)	2012-03-20	Способ получения бумажной массы
US8268120B2 (en)	2012-09-18	Method for bleaching chemical paper pulps by final ozone treatment at high temperature
US6235154B1 (en)	2001-05-22	Chlorine dioxide bleaching in the presence of an aldehyde
CN1100176C (zh)	2003-01-29	一种阔叶木硫酸盐浆的全无氯漂白方法
CN1085756C (zh)	2002-05-29	化学纸浆的脱木素和漂白的方法
Ventorim et al.	2005	The fate of chlorine species during high temperature chlorine dioxide bleaching
JP4192567B2 (ja)	2008-12-10	高白色度漂白クラフトパルプの製造方法
RU2479683C2 (ru)	2013-04-20	Способы и системы для отбеливания лигноцеллюлозных масс после варки с содой и антрахиноном
CA2721612A1 (en)	2004-06-24	Processes for preparing mechanical pulps having high brightness
CN1896378A (zh)	2007-01-17	处理化学纤维素浆的方法
CN1209480A (zh)	1999-03-03	在ecf漂白中使用臭氧的方法
JP3275271B2 (ja)	2002-04-15	化学パルプの漂白方法
JP4875288B2 (ja)	2012-02-15	リグノセルロースパルプのオゾン漂白方法
JP4304392B2 (ja)	2009-07-29	非木材パルプの漂白方法
CN1884685A (zh)	2006-12-27	氧化法全棉秆造新闻纸浆及其制备方法