ATE138989T1 - Verfahren zum bleichen von zellstoff mittels ozon - Google Patents

Verfahren zum bleichen von zellstoff mittels ozon

Info

Publication number: ATE138989T1
Authority: AT; Austria
Prior art keywords: ozone; solution; acidity; waste liquor; cellulose pulp
Prior art date: 1991-09-17

Application number

AT92920388T

Other languages

English (en)

Inventor

Rolf Carl August Braennland

Sture Erik Olof Noreus

Original Assignee

Mo Och Domsjoe Ab

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.)

1991-09-17

Filing date

1992-09-16

Publication date

1996-06-15

1992-09-16 Application filed by Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab

1996-06-15 Application granted granted Critical

1996-06-15 Publication of ATE138989T1 publication Critical patent/ATE138989T1/de

Links

238000000034 method Methods 0.000 title abstract 6
CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title abstract 4
238000004061 bleaching Methods 0.000 title abstract 4
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 abstract 4
229920002678 cellulose Polymers 0.000 abstract 2
239000001913 cellulose Substances 0.000 abstract 2
229910052938 sodium sulfate Inorganic materials 0.000 abstract 2
235000011152 sodium sulphate Nutrition 0.000 abstract 2
239000002699 waste material Substances 0.000 abstract 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
239000005864 Sulphur Substances 0.000 abstract 1
239000002253 acid Substances 0.000 abstract 1
238000000909 electrodialysis Methods 0.000 abstract 1
238000005868 electrolysis reaction Methods 0.000 abstract 1
239000012978 lignocellulosic material Substances 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
230000007935 neutral effect Effects 0.000 abstract 1
238000011084 recovery Methods 0.000 abstract 1
238000004064 recycling Methods 0.000 abstract 1
229910052708 sodium Inorganic materials 0.000 abstract 1
239000011734 sodium Substances 0.000 abstract 1
239000000126 substance Substances 0.000 abstract 1
239000001117 sulphuric acid Substances 0.000 abstract 1
235000011149 sulphuric acid Nutrition 0.000 abstract 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
- 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

Landscapes

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

AT92920388T 1991-09-17 1992-09-16 Verfahren zum bleichen von zellstoff mittels ozon ATE138989T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9102693A SE500053C2 (sv)	1991-09-17	1991-09-17	Ozonblekning varvid massan surgöres med genom elektrolys framställd svavelsyra

Publications (1)

Publication Number	Publication Date
ATE138989T1 true ATE138989T1 (de)	1996-06-15

Family

ID=20383749

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT92920388T ATE138989T1 (de)	1991-09-17	1992-09-16	Verfahren zum bleichen von zellstoff mittels ozon

Country Status (10)

Country	Link
EP (1)	EP0605565B1 (de)
AT (1)	ATE138989T1 (de)
AU (1)	AU657003B2 (de)
CA (1)	CA2116974A1 (de)
DE (1)	DE69211351T2 (de)
ES (1)	ES2089567T3 (de)
FI (1)	FI941238A0 (de)
PT (1)	PT100870B (de)
SE (1)	SE500053C2 (de)
WO (1)	WO1993006297A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE9704298L (sv) *	1997-11-24	1999-05-25	Kvaerner Pulping Tech	Förfarande vid blekning av cellulosa i ett slutet system under användning av Caro´s syra
KR101815677B1 (ko) *	2011-07-26	2018-01-30	롯데정밀화학 주식회사	셀룰로오스와 그 유도체의 탈색 방법
DE102013100997A1 (de)	2013-01-31	2014-07-31	Thyssenkrupp Resource Technologies Gmbh	1;2Verfahren und Anlage zur Mahlung von stückigem Ausgangsmaterial
CN115490372A (zh) *	2021-06-17	2022-12-20	中国石油化工股份有限公司	一种废旧棉制浆黑液处理方法及系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS503990B1 (de) *	1969-02-19	1975-02-13
NO144711C (no) *	1978-04-04	1981-10-21	Myrens Verksted As	Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon

1991
- 1991-09-17 SE SE9102693A patent/SE500053C2/sv unknown
1992
- 1992-09-16 DE DE69211351T patent/DE69211351T2/de not_active Expired - Fee Related
- 1992-09-16 WO PCT/SE1992/000635 patent/WO1993006297A1/en not_active Ceased
- 1992-09-16 CA CA002116974A patent/CA2116974A1/en not_active Abandoned
- 1992-09-16 AT AT92920388T patent/ATE138989T1/de active
- 1992-09-16 ES ES92920388T patent/ES2089567T3/es not_active Expired - Lifetime
- 1992-09-16 FI FI941238A patent/FI941238A0/fi unknown
- 1992-09-16 PT PT100870A patent/PT100870B/pt not_active IP Right Cessation
- 1992-09-16 EP EP92920388A patent/EP0605565B1/de not_active Expired - Lifetime
- 1992-09-16 AU AU26631/92A patent/AU657003B2/en not_active Ceased

Also Published As

Publication number	Publication date
SE500053C2 (sv)	1994-03-28
SE9102693L (sv)	1993-03-18
AU2663192A (en)	1993-04-27
FI941238A7 (fi)	1994-03-16
SE9102693D0 (sv)	1991-09-17
ES2089567T3 (es)	1996-10-01
DE69211351T2 (de)	1997-01-23
FI941238L (fi)	1994-03-16
PT100870B (pt)	1999-07-30
WO1993006297A1 (en)	1993-04-01
FI941238A0 (fi)	1994-03-16
EP0605565A1 (de)	1994-07-13
EP0605565B1 (de)	1996-06-05
PT100870A (pt)	1994-01-31
DE69211351D1 (de)	1996-07-11
CA2116974A1 (en)	1993-04-01
AU657003B2 (en)	1995-02-23

Similar Documents

Publication	Publication Date	Title
DE2141757C3 (de)	1979-06-21	Verfahren zum Bleichen von Zellstoffbrei
DE2936551C1 (de)	1985-01-17	Verfahren zum Bleichen und Extrahieren eines Lignocellulose enthaltenden Materials
DE69227640T2 (de)	1999-05-06	Verfahren zum Bleichen von Lignocellulose-enthaltendem Zellstoff
US4196043A (en)	1980-04-01	Kraft pulp bleaching and recovery process
KR920703922A (ko)	1992-12-18	환경오염 개선된 리그노셀룰로오스 물질 표백방법
KR850001341B1 (ko)	1985-09-19	화학펄프류의 표백처리법
ATE130888T1 (de)	1995-12-15	Verfahren zum bleichen von lignocellulose enthaltendem material.
DE3428352A1 (de)	1986-02-13	Verfahren zur delignifizierung und bleiche von zellstoffen
DE69420306T2 (de)	2000-04-20	Verfahren zum Bleichen von Lignozellulose-enthaltendem Zellstoff
DE2415498A1 (de)	1975-10-02	Bleich- und rueckgewinnungsverfahren fuer kraftzellstoff
JPH02293486A (ja)	1990-12-04	パルプ漂白法
ATE138989T1 (de)	1996-06-15	Verfahren zum bleichen von zellstoff mittels ozon
FI96522C (fi)	1996-07-10	Menetelmä valkaistujen kemitermomekaanisten massojen valmistamiseksi
US2226356A (en)	1940-12-24	Process of purifying cellulosic material
DE1692848A1 (de)	1971-10-21	Verfahren zur Gewinnung von gebleichten Pulpen
JPH0217678B2 (de)	1990-04-23
FI76136B (fi)	1988-05-31	Foerfarande foer blekning av ns-aq- eller sap-massa.
US3481827A (en)	1969-12-02	Process for bleaching wood pulp with fluorine,hydrofluoric acid,and oxygen difluoride
JPS6055638B2 (ja)	1985-12-05	オゾンによるパルプ漂白法
GB1062734A (en)	1967-03-22	Improvements in or relating to bleaching cellulose pulp
DE2413123A1 (de)	1975-10-16	Bleichen von kraftpulpe auf sauerstoffbasis
Hart et al.	1993	Competing/parallel reaction of chlorine and chlorine dioxide during kraft pulp bleaching
SU779470A1 (ru)	1980-11-15	Способ обработки сульфитной целлюлозы после варки
CS223859B2 (en)	1983-11-25	Method of decreasing the contamination of waters by making the bleached sulphite cellulose
BRPI0619948A2 (pt)	2011-10-25	processo de tratamento de polpa celulose-lignina, processo de tratamento de polpa de madeira