CA1288906C - Methode d'acidification de la pate papetiere pour promouvoir la conservation des residus d'agents de blanchiment specifiques - Google Patents

Methode d'acidification de la pate papetiere pour promouvoir la conservation des residus d'agents de blanchiment specifiques

Info

Publication number: CA1288906C
Authority: CA; Canada
Prior art keywords: pulp; bleaching; process according; souring; carbonic acid
Prior art date: 1988-01-21
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

CA000557023A

Other languages

English (en)

Inventor

Raymond C. Lachapelle

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.)

Canadian Liquid Air Ltd

Original Assignee

Canadian Liquid Air Ltd

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.)

1988-01-21

Filing date

1988-01-21

Publication date

1991-09-17

1988-01-21 Application filed by Canadian Liquid Air Ltd filed Critical Canadian Liquid Air Ltd

1988-01-21 Priority to CA000557023A priority Critical patent/CA1288906C/fr

1991-09-17 Application granted granted Critical

1991-09-17 Publication of CA1288906C publication Critical patent/CA1288906C/fr

2008-09-17 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 40
239000007844 bleaching agent Substances 0.000 title description 13
230000002708 enhancing effect Effects 0.000 title description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 64
238000004061 bleaching Methods 0.000 claims abstract description 40
239000013055 pulp slurry Substances 0.000 claims abstract description 15
229920001131 Pulp (paper) Polymers 0.000 claims abstract description 14
ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims abstract description 6
239000005708 Sodium hypochlorite Substances 0.000 claims abstract description 6
SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 6
238000002360 preparation method Methods 0.000 claims abstract description 3
239000000243 solution Substances 0.000 claims description 26
238000005406 washing Methods 0.000 claims description 8
239000003795 chemical substances by application Substances 0.000 claims description 5
239000003643 water by type Substances 0.000 claims description 5
239000007788 liquid Substances 0.000 claims description 4
238000010790 dilution Methods 0.000 claims description 2
239000012895 dilution Substances 0.000 claims description 2
BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims 6
238000010306 acid treatment Methods 0.000 claims 2
239000000725 suspension Substances 0.000 claims 2
238000009897 hydrogen peroxide bleaching Methods 0.000 claims 1
238000009898 sodium hypochlorite bleaching Methods 0.000 claims 1
229910002092 carbon dioxide Inorganic materials 0.000 abstract description 29
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract description 22
239000000126 substance Substances 0.000 abstract description 9
239000001569 carbon dioxide Substances 0.000 abstract description 7
230000020477 pH reduction Effects 0.000 abstract description 2
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 40
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 14
150000002978 peroxides Chemical class 0.000 description 10
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
239000000123 paper Substances 0.000 description 8
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 7
239000004155 Chlorine dioxide Substances 0.000 description 7
239000000460 chlorine Substances 0.000 description 7
235000019398 chlorine dioxide Nutrition 0.000 description 7
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
229910052801 chlorine Inorganic materials 0.000 description 6
WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 6
150000002500 ions Chemical class 0.000 description 6
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
239000003638 chemical reducing agent Substances 0.000 description 3
238000000605 extraction Methods 0.000 description 3
239000002655 kraft paper Substances 0.000 description 3
239000000047 product Substances 0.000 description 3
235000011121 sodium hydroxide Nutrition 0.000 description 3
241000894006 Bacteria Species 0.000 description 2
KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
239000007900 aqueous suspension Substances 0.000 description 2
239000003139 biocide Substances 0.000 description 2
238000005660 chlorination reaction Methods 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
238000002347 injection Methods 0.000 description 2
239000007924 injection Substances 0.000 description 2
229910052943 magnesium sulfate Inorganic materials 0.000 description 2
235000019341 magnesium sulphate Nutrition 0.000 description 2
238000009896 oxidative bleaching Methods 0.000 description 2
230000035755 proliferation Effects 0.000 description 2
235000019795 sodium metasilicate Nutrition 0.000 description 2
229910052911 sodium silicate Inorganic materials 0.000 description 2
238000010561 standard procedure Methods 0.000 description 2
239000002023 wood Substances 0.000 description 2
WWYNJERNGUHSAO-XUDSTZEESA-N (+)-Norgestrel Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](CC)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 WWYNJERNGUHSAO-XUDSTZEESA-N 0.000 description 1
XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical class [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
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 description 1
QPCDCPDFJACHGM-UHFFFAOYSA-N N,N-bis{2-[bis(carboxymethyl)amino]ethyl}glycine Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(=O)O)CCN(CC(O)=O)CC(O)=O QPCDCPDFJACHGM-UHFFFAOYSA-N 0.000 description 1
240000001987 Pyrus communis Species 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
FMQNKVGDYIXYDI-UHFFFAOYSA-N [Na].C=C.C=C Chemical group [Na].C=C.C=C FMQNKVGDYIXYDI-UHFFFAOYSA-N 0.000 description 1
239000012670 alkaline solution Substances 0.000 description 1
239000008346 aqueous phase Substances 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
230000003115 biocidal effect Effects 0.000 description 1
KKAXNAVSOBXHTE-UHFFFAOYSA-N boranamine Chemical class NB KKAXNAVSOBXHTE-UHFFFAOYSA-N 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
229910001902 chlorine oxide Inorganic materials 0.000 description 1
QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical class OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 1
238000004040 coloring Methods 0.000 description 1
238000010411 cooking Methods 0.000 description 1
230000006378 damage Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical class OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
239000000835 fiber Substances 0.000 description 1
239000012467 final product Substances 0.000 description 1
-1 for example Substances 0.000 description 1
239000007789 gas Substances 0.000 description 1
239000000383 hazardous chemical Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
239000012535 impurity Substances 0.000 description 1
229920005610 lignin Polymers 0.000 description 1
239000004571 lime Substances 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000000463 material Substances 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
231100000956 nontoxicity Toxicity 0.000 description 1
230000009965 odorless effect Effects 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
239000012071 phase Substances 0.000 description 1
238000004321 preservation Methods 0.000 description 1
238000004076 pulp bleaching Methods 0.000 description 1
230000001603 reducing effect Effects 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011122 softwood Substances 0.000 description 1
241000894007 species Species 0.000 description 1
238000003860 storage Methods 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
- 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

Landscapes

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

CA000557023A 1988-01-21 1988-01-21 Methode d'acidification de la pate papetiere pour promouvoir la conservation des residus d'agents de blanchiment specifiques Expired - Lifetime CA1288906C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000557023A CA1288906C (fr)	1988-01-21	1988-01-21	Methode d'acidification de la pate papetiere pour promouvoir la conservation des residus d'agents de blanchiment specifiques

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000557023A CA1288906C (fr)	1988-01-21	1988-01-21	Methode d'acidification de la pate papetiere pour promouvoir la conservation des residus d'agents de blanchiment specifiques

Publications (1)

Publication Number	Publication Date
CA1288906C true CA1288906C (fr)	1991-09-17

Family

ID=4137298

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000557023A Expired - Lifetime CA1288906C (fr)	1988-01-21	1988-01-21	Methode d'acidification de la pate papetiere pour promouvoir la conservation des residus d'agents de blanchiment specifiques

Country Status (1)

Country	Link
CA (1)	CA1288906C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8728274B2 (en)	2006-09-22	2014-05-20	Akzo Nobel N.V.	Treatment of pulp

1988
- 1988-01-21 CA CA000557023A patent/CA1288906C/fr not_active Expired - Lifetime

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8728274B2 (en)	2006-09-22	2014-05-20	Akzo Nobel N.V.	Treatment of pulp

Legal Events

Date	Code	Title	Description
2008-09-17	MKEX	Expiry

Publication	Publication Date	Title
US4626319A (en)	1986-12-02	Process for the delignification and acid bleaching of cellulose with oxygen and hydrogen peroxide
US4462864A (en)	1984-07-31	Process for the delignification of unbleached chemical pulp
US3663357A (en)	1972-05-16	Bleaching of mechanical cellulosic pulp with ozone in the presence of a peroxygen compound
US4076579A (en)	1978-02-28	Pulping of lignocellulosic material by sequential treatment thereof with nitric oxide and oxygen
CA1154205A (fr)	1983-09-27	Amelioration de la blancheur de la pate a papier blanchie a l'ozone
US3725194A (en)	1973-04-03	Treatment of alkaline pulp with an acidic medium followed by oxygen bleaching and delignification
NO143298B (no)	1980-10-06	Friserapparat.
JPH09511031A (ja)	1997-11-04	漂白セルロースパルプの製造方法
US5411635A (en)	1995-05-02	Ozone/peroxymonosulfate process for delignifying a lignocellulosic material
US5139613A (en)	1992-08-18	Process for preparing a paper pulp using carbon dioxide as an acidifying agent for a bleached pulp
KR930002072B1 (ko)	1993-03-26	과산화수소 강화된 산소 탈리그닌화 방법
US5698075A (en)	1997-12-16	Process for bleaching a chemical paper pulp in an oxygen-peroxymonosulfuric acid-hydrogen peroxide sequence
NZ242356A (en)	1994-06-27	Process for preparing bleached paper pulp comprising: treating chips with a reducing agent, then alkaline hydrogen peroxide, followed by refining
WO2003083208A1 (fr)	2003-10-09	Procede de blanchiment de pulpe non ligneuse contenant de la lignocellulose
NO160325B (no)	1989-01-02	Demonterbar stolfot.
CA1288906C (fr)	1991-09-17	Methode d'acidification de la pate papetiere pour promouvoir la conservation des residus d'agents de blanchiment specifiques
US5645687A (en)	1997-07-08	Process for manufacturing bleached pulp with reduced chloride production
CA1147909A (fr)	1983-06-14	Methode de defibrage et de blanchiment de la pate de cellulose
US6042690A (en)	2000-03-28	Method for the bleaching of pulp in a D2D sequence wherein the effluent contains reduced colored matter
US3284283A (en)	1966-11-08	Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride
EP0464110A1 (fr)	1992-01-08	Procede de blanchiment servant a la production de pulpes tres claires.
US6679972B1 (en)	2004-01-20	Process for the bleaching of a pulp suspension by separating calcium from lignin
NZ227748A (en)	1990-04-26	Process for producing semibleached kraft pulp
CA1080406A (fr)	1980-07-01	Procede de blanchiment de pate par hydrolyse faisant appel au chlore en quantites fortement reduites
US20120031575A1 (en)	2012-02-09	Pulp Bleaching and Alkaline Extraction Method

CA1288906C - Methode d'acidification de la pate papetiere pour promouvoir la conservation des residus d'agents de blanchiment specifiques - Google Patents

Info

Links

Classifications

Landscapes

Priority Applications (1)

Applications Claiming Priority (1)

Publications (1)

Family

ID=4137298

Family Applications (1)

Country Status (1)

Cited By (1)

Cited By (1)

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