CA2139246A1 - Procede de blanchiment de pate renfermant de la lignocellulose - Google Patents

Procede de blanchiment de pate renfermant de la lignocellulose

Info

Publication number: CA2139246A1
Authority: CA; Canada
Prior art keywords: pulp; hydrogen peroxide; magnesium; compound; chlorine
Prior art date: 1991-04-30
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.): Abandoned

Application number

CA002139246A

Other languages

English (en)

Inventor

Lennart Andersson

Jiri Basta

Jan Hook

Lillemor Holtinger

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.)

Nouryon Pulp and Performance Chemicals AB

Original Assignee

Eka Nobel 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.)

1991-04-30

Filing date

1992-04-27

Publication date

1992-10-31

1991-04-30 Priority claimed from SE9101301A external-priority patent/SE470065C/sv

1992-04-27 Application filed by Eka Nobel AB filed Critical Eka Nobel AB

1992-10-31 Publication of CA2139246A1 publication Critical patent/CA2139246A1/fr

Status Abandoned legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 31
230000008569 process Effects 0.000 title claims abstract description 29
238000004061 bleaching Methods 0.000 title claims abstract description 27
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 109
239000007844 bleaching agent Substances 0.000 claims abstract description 31
238000011282 treatment Methods 0.000 claims abstract description 25
239000000203 mixture Substances 0.000 claims abstract description 20
229940043430 calcium compound Drugs 0.000 claims abstract description 17
150000001674 calcium compounds Chemical class 0.000 claims abstract description 17
150000002681 magnesium compounds Chemical class 0.000 claims abstract description 17
CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 13
239000002253 acid Substances 0.000 claims abstract description 11
239000011777 magnesium Substances 0.000 claims description 37
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 25
229910052749 magnesium Inorganic materials 0.000 claims description 24
238000010306 acid treatment Methods 0.000 claims description 17
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 16
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 10
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 9
239000011575 calcium Substances 0.000 claims description 9
239000001301 oxygen Substances 0.000 claims description 9
229910052760 oxygen Inorganic materials 0.000 claims description 9
229910021653 sulphate ion Inorganic materials 0.000 claims description 9
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 8
229910052791 calcium Inorganic materials 0.000 claims description 8
229910052943 magnesium sulfate Inorganic materials 0.000 claims description 8
235000019341 magnesium sulphate Nutrition 0.000 claims description 8
TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 4
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 2
239000001110 calcium chloride Substances 0.000 claims description 2
229910001628 calcium chloride Inorganic materials 0.000 claims description 2
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 2
239000000292 calcium oxide Substances 0.000 claims description 2
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 2
229910001629 magnesium chloride Inorganic materials 0.000 claims description 2
230000015572 biosynthetic process Effects 0.000 abstract description 4
229960002163 hydrogen peroxide Drugs 0.000 description 48
150000002978 peroxides Chemical class 0.000 description 11
238000012360 testing method Methods 0.000 description 10
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 8
150000002500 ions Chemical class 0.000 description 7
239000011122 softwood Substances 0.000 description 7
239000001117 sulphuric acid Substances 0.000 description 7
235000011149 sulphuric acid Nutrition 0.000 description 7
KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 6
239000007864 aqueous solution Substances 0.000 description 6
150000001875 compounds Chemical class 0.000 description 6
238000010561 standard procedure Methods 0.000 description 6
229920005610 lignin Polymers 0.000 description 5
229910021645 metal ion Inorganic materials 0.000 description 5
239000000126 substance Substances 0.000 description 5
238000005406 washing Methods 0.000 description 5
229910001868 water Inorganic materials 0.000 description 5
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
239000004155 Chlorine dioxide Substances 0.000 description 4
229920001131 Pulp (paper) Polymers 0.000 description 4
229910052784 alkaline earth metal Inorganic materials 0.000 description 4
150000001342 alkaline earth metals Chemical class 0.000 description 4
239000000460 chlorine Substances 0.000 description 4
229910052801 chlorine Inorganic materials 0.000 description 4
235000019398 chlorine dioxide Nutrition 0.000 description 4
229910001425 magnesium ion Inorganic materials 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 3
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
230000002378 acidificating effect Effects 0.000 description 3
229910001420 alkaline earth metal ion Inorganic materials 0.000 description 3
229920002678 cellulose Polymers 0.000 description 3
239000001913 cellulose Substances 0.000 description 3
230000000052 comparative effect Effects 0.000 description 3
239000011121 hardwood Substances 0.000 description 3
VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 3
239000000347 magnesium hydroxide Substances 0.000 description 3
229910001862 magnesium hydroxide Inorganic materials 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000002184 metal Substances 0.000 description 3
150000002739 metals Chemical class 0.000 description 3
-1 peroxide compounds Chemical class 0.000 description 3
239000000243 solution Substances 0.000 description 3
238000004448 titration Methods 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
239000003513 alkali Substances 0.000 description 2
238000009792 diffusion process Methods 0.000 description 2
WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 2
229910017604 nitric acid Inorganic materials 0.000 description 2
239000002002 slurry Substances 0.000 description 2
LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 2
BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
229920003043 Cellulose fiber Polymers 0.000 description 1
KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000002585 base Substances 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
229910001424 calcium ion Inorganic materials 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
230000002301 combined effect Effects 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
230000029087 digestion Effects 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000007613 environmental effect Effects 0.000 description 1
238000000605 extraction Methods 0.000 description 1
238000013100 final test Methods 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000007788 liquid Substances 0.000 description 1
150000007522 mineralic acids Chemical class 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000010979 pH adjustment Methods 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
238000004321 preservation Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
235000017557 sodium bicarbonate Nutrition 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 1
PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
230000002311 subsequent effect Effects 0.000 description 1
239000000725 suspension Substances 0.000 description 1
229910021654 trace metal Inorganic materials 0.000 description 1
239000002023 wood Substances 0.000 description 1

Landscapes

Paper (AREA)

CA002139246A 1991-04-30 1992-04-27 Procede de blanchiment de pate renfermant de la lignocellulose Abandoned CA2139246A1 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
SE9101301-1		1991-04-30
SE9101301A SE470065C (sv)	1991-04-30	1991-04-30	Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning
CA002067296A CA2067296C (fr)	1991-04-30	1992-04-27	Procede de blanchiment de pate contenant de la lignocellulose

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002067296A Division CA2067296C (fr)	1991-04-30	1992-04-27	Procede de blanchiment de pate contenant de la lignocellulose

Publications (1)

Publication Number	Publication Date
CA2139246A1 true CA2139246A1 (fr)	1992-10-31

Family

ID=25675106

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002139246A Abandoned CA2139246A1 (fr)	1991-04-30	1992-04-27	Procede de blanchiment de pate renfermant de la lignocellulose

Country Status (1)

Country	Link
CA (1)	CA2139246A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6776876B1 (en)	1994-10-13	2004-08-17	Andritz Oy	Method of treating cellulosic pulp to remove hexenuronic acid

1992
- 1992-04-27 CA CA002139246A patent/CA2139246A1/fr not_active Abandoned

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6776876B1 (en)	1994-10-13	2004-08-17	Andritz Oy	Method of treating cellulosic pulp to remove hexenuronic acid

Legal Events

Date	Code	Title	Description
1995-01-18	EEER	Examination request
1997-04-28	FZDE	Dead

Publication	Publication Date	Title
EP0679760B1 (fr)	1998-11-18	Procédé pour le blanchiment de pâte à papier contenant de la lignocellulose
US6398908B1 (en)	2002-06-04	Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
CA2067295C (fr)	1996-07-23	Procede de blanchiment de matiere contenant de la lignocellulose
CA2017807C (fr)	1995-12-19	Procede de blanchiment de pates lignocellulosique
JP2864167B2 (ja)	1999-03-03	リグノセルロース含有パルプの脱リグニン化法
CA2121387C (fr)	1998-06-30	Methode pour blanchir la pate renfermant de la lignocellulose
US20110036524A1 (en)	2011-02-17	Method of bleaching a pulp
KR930002072B1 (ko)	1993-03-26	과산화수소 강화된 산소 탈리그닌화 방법
EP0789798B1 (fr)	1998-06-24	Procede de delignification et de blanchiment de cellulose chimique
CA1070909A (fr)	1980-02-05	Delignification au bioxyde d'azote et a l'oxygene
CA2149649C (fr)	2000-09-19	Procede de blanchiment de pate contenant de la lignocellulose
CA2139246A1 (fr)	1992-10-31	Procede de blanchiment de pate renfermant de la lignocellulose
EP0595386B1 (fr)	1999-05-26	Procédé pour le blanchiment de pâte à papier chimiquement cuite contenant de la lignocellulose
JP3697335B2 (ja)	2005-09-21	化学パルプの酸性漂白白水による処理方法
US20030024664A1 (en)	2003-02-06	Eop & Ep process for bleaching of chemical pulp

CA2139246A1 - Procede de blanchiment de pate renfermant de la lignocellulose - Google Patents

Info

Links

Landscapes

Applications Claiming Priority (3)

Related Parent Applications (1)

Publications (1)

Family

ID=25675106

Family Applications (1)

Country Status (1)

Cited By (1)

Cited By (1)

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