JPH0768675B2 - セルロ−スパルプの酸素による脱リグニン、漂白方法 - Google Patents

セルロ−スパルプの酸素による脱リグニン、漂白方法

Info

Publication number: JPH0768675B2
Authority: JP; Japan
Prior art keywords: pulp; delignification; oxygen; concentration; cellulose pulp
Prior art date: 1986-10-13
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.): Expired - Lifetime

Application number

JP61241518A

Other languages

English (en)

Japanese (ja)

Other versions

JPS6399389A (ja

Inventor

栄一斉藤

次郎岡作

修松村

正上田

晋一郎近藤

Original Assignee

新王子製紙株式会社

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.)

1986-10-13

Filing date

1986-10-13

Publication date

1995-07-26

1986-10-13 Application filed by 新王子製紙株式会社 filed Critical 新王子製紙株式会社

1986-10-13 Priority to JP61241518A priority Critical patent/JPH0768675B2/ja

1987-10-12 Priority to FI874478A priority patent/FI874478A7/fi

1987-10-12 Priority to SE8703929A priority patent/SE8703929L/xx

1987-10-13 Priority to NO874276A priority patent/NO874276L/no

1988-04-30 Publication of JPS6399389A publication Critical patent/JPS6399389A/ja

1995-07-26 Publication of JPH0768675B2 publication Critical patent/JPH0768675B2/ja

2010-07-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims description 71
239000001301 oxygen Substances 0.000 title claims description 71
229910052760 oxygen Inorganic materials 0.000 title claims description 71
229920002678 cellulose Polymers 0.000 title claims description 37
239000001913 cellulose Substances 0.000 title claims description 37
238000000034 method Methods 0.000 title claims description 35
238000004061 bleaching Methods 0.000 title claims description 17
239000013055 pulp slurry Substances 0.000 claims description 18
239000003513 alkali Substances 0.000 claims description 14
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
230000000052 comparative effect Effects 0.000 description 11
239000011122 softwood Substances 0.000 description 8
238000010586 diagram Methods 0.000 description 4
239000007864 aqueous solution Substances 0.000 description 3
239000002002 slurry Substances 0.000 description 3
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
239000000460 chlorine Substances 0.000 description 2
229910052801 chlorine Inorganic materials 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
238000005070 sampling Methods 0.000 description 2
239000000126 substance Substances 0.000 description 2
239000004155 Chlorine dioxide Substances 0.000 description 1
229920001131 Pulp (paper) Polymers 0.000 description 1
OSVXSBDYLRYLIG-UHFFFAOYSA-N chlorine dioxide Inorganic materials O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 1
235000019398 chlorine dioxide Nutrition 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000012530 fluid Substances 0.000 description 1
239000007789 gas Substances 0.000 description 1
239000011121 hardwood Substances 0.000 description 1
229920005610 lignin Polymers 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
QVGXLLKOCUKJST-OUBTZVSYSA-N oxygen-17 atom Chemical compound [17O] QVGXLLKOCUKJST-OUBTZVSYSA-N 0.000 description 1
230000001012 protector Effects 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000000725 suspension Substances 0.000 description 1
238000005406 washing Methods 0.000 description 1
239000002351 wastewater Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

JP61241518A 1986-10-13 1986-10-13 セルロ−スパルプの酸素による脱リグニン、漂白方法 Expired - Lifetime JPH0768675B2 (ja)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
JP61241518A JPH0768675B2 (ja)	1986-10-13	1986-10-13	セルロ−スパルプの酸素による脱リグニン、漂白方法
FI874478A FI874478A7 (fi)	1986-10-13	1987-10-12	Foerfarande foer delignifiering och blekning av lignocellumassamaterial med syre och alkali.
SE8703929A SE8703929L (sv)	1986-10-13	1987-10-12	Forfarande for delignifering och blekning av ett lignocellulosahaltigt massamaterial med syre och alkali
NO874276A NO874276L (no)	1986-10-13	1987-10-13	Fremgangsmaate til delignifisering og bleking av en lignocellulosemasse med oksygen og alkali.

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP61241518A JPH0768675B2 (ja)	1986-10-13	1986-10-13	セルロ−スパルプの酸素による脱リグニン、漂白方法

Related Child Applications (1)

Application Number	Title	Priority Date	Filing Date
JP18164896A Division JPH08325970A (ja)	1996-06-24	1996-06-24	セルロースパルプの酸素による脱リグニン、漂白方法

Publications (2)

Publication Number	Publication Date
JPS6399389A JPS6399389A (ja)	1988-04-30
JPH0768675B2 true JPH0768675B2 (ja)	1995-07-26

Family

ID=17075535

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP61241518A Expired - Lifetime JPH0768675B2 (ja)	1986-10-13	1986-10-13	セルロ−スパルプの酸素による脱リグニン、漂白方法

Country Status (4)

Country	Link
JP (1)	JPH0768675B2 (fi)
FI (1)	FI874478A7 (fi)
NO (1)	NO874276L (fi)
SE (1)	SE8703929L (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5011572A (en) *	1989-05-19	1991-04-30	Fmc Corporation	Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage
AT404740B (de)	1989-10-30	1999-02-25	Chemiefaser Lenzing Ag	Verfahren zum chlorfreien bleichen von zellstoffen
SE522593C2 (sv) *	1999-07-06	2004-02-24	Kvaerner Pulping Tech	System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material
EP1813345A1 (en) *	2006-01-30	2007-08-01	Sulzer Pumpen Ag	Method and apparatus for controlling the efficiency of mixing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS539286A (en) *	1976-07-13	1978-01-27	Matsushita Electric Ind Co Ltd	Production of catalyst body
US4363697A (en) *	1979-12-03	1982-12-14	The Black Clawson Company	Method for medium consistency oxygen delignification of pulp

1986
- 1986-10-13 JP JP61241518A patent/JPH0768675B2/ja not_active Expired - Lifetime
1987
- 1987-10-12 FI FI874478A patent/FI874478A7/fi not_active Application Discontinuation
- 1987-10-12 SE SE8703929A patent/SE8703929L/xx unknown
- 1987-10-13 NO NO874276A patent/NO874276L/no unknown

Also Published As

Publication number	Publication date
FI874478A7 (fi)	1988-04-14
SE8703929D0 (sv)	1987-10-12
FI874478A0 (fi)	1987-10-12
JPS6399389A (ja)	1988-04-30
NO874276D0 (no)	1987-10-13
NO874276L (no)	1988-04-14
SE8703929L (sv)	1988-04-14

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