CA2163389A1 - Pates obtenues a l'aide de composes organiques exempts de chlore - Google Patents

Pates obtenues a l'aide de composes organiques exempts de chlore

Info

Publication number: CA2163389A1
Authority: CA; Canada
Prior art keywords: pulp; stage; bleaching; washing; oxygen
Prior art date: 1994-11-23
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

CA002163389A

Other languages

English (en)

Inventor

Malcolm Cronlund

Jairo H. Lora

Jeanne Powers

Uday Singh

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.)

Alcell Technologies Inc

Original Assignee

Individual

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.)

1994-11-23

Filing date

1995-11-21

Publication date

1996-05-24

1995-11-21 Application filed by Individual filed Critical Individual

1996-05-24 Publication of CA2163389A1 publication Critical patent/CA2163389A1/fr

Status Abandoned legal-status Critical Current

Links

QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 202
239000001301 oxygen Substances 0.000 claims abstract description 202
229910052760 oxygen Inorganic materials 0.000 claims abstract description 202
238000004061 bleaching Methods 0.000 claims abstract description 148
CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 124
238000000034 method Methods 0.000 claims abstract description 112
238000005406 washing Methods 0.000 claims abstract description 66
125000000864 peroxy group Chemical group O(O*)* 0.000 claims abstract description 37
239000007844 bleaching agent Substances 0.000 claims abstract description 31
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 27
239000000460 chlorine Substances 0.000 claims abstract description 27
229910052801 chlorine Inorganic materials 0.000 claims abstract description 25
239000000126 substance Substances 0.000 claims abstract description 25
238000004537 pulping Methods 0.000 claims abstract description 15
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 180
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 167
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 141
235000019398 chlorine dioxide Nutrition 0.000 claims description 87
239000004155 Chlorine dioxide Substances 0.000 claims description 75
-1 peroxy compound Chemical class 0.000 claims description 51
238000000605 extraction Methods 0.000 claims description 47
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 42
230000001590 oxidative effect Effects 0.000 claims description 22
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 21
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 10
150000001875 compounds Chemical class 0.000 claims description 8
239000002738 chelating agent Substances 0.000 claims description 6
239000000463 material Substances 0.000 claims description 6
DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 claims description 5
229910052751 metal Inorganic materials 0.000 claims description 4
239000002184 metal Substances 0.000 claims description 4
229910052723 transition metal Inorganic materials 0.000 claims description 3
150000003624 transition metals Chemical class 0.000 claims description 3
230000008569 process Effects 0.000 abstract description 68
239000000706 filtrate Substances 0.000 abstract description 51
230000003247 decreasing effect Effects 0.000 abstract description 11
238000010924 continuous production Methods 0.000 abstract description 3
238000010923 batch production Methods 0.000 abstract description 2
230000008030 elimination Effects 0.000 abstract 1
238000003379 elimination reaction Methods 0.000 abstract 1
230000000116 mitigating effect Effects 0.000 abstract 1
239000000047 product Substances 0.000 abstract 1
KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 description 355
238000011282 treatment Methods 0.000 description 65
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 56
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 56
239000007788 liquid Substances 0.000 description 52
239000003518 caustics Substances 0.000 description 43
230000035484 reaction time Effects 0.000 description 36
239000011541 reaction mixture Substances 0.000 description 34
239000002655 kraft paper Substances 0.000 description 33
238000006243 chemical reaction Methods 0.000 description 31
239000000243 solution Substances 0.000 description 31
229910052943 magnesium sulfate Inorganic materials 0.000 description 28
235000019341 magnesium sulphate Nutrition 0.000 description 28
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 27
229960003330 pentetic acid Drugs 0.000 description 27
230000007423 decrease Effects 0.000 description 26
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 18
239000007787 solid Substances 0.000 description 17
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 16
238000010793 Steam injection (oil industry) Methods 0.000 description 15
239000007789 gas Substances 0.000 description 15
229920005610 lignin Polymers 0.000 description 15
241000208140 Acer Species 0.000 description 14
239000013055 pulp slurry Substances 0.000 description 14
241000183024 Populus tremula Species 0.000 description 13
238000002156 mixing Methods 0.000 description 13
QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 12
230000000694 effects Effects 0.000 description 12
235000018185 Betula X alpestris Nutrition 0.000 description 11
235000018212 Betula X uliginosa Nutrition 0.000 description 11
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 11
238000011084 recovery Methods 0.000 description 11
239000011122 softwood Substances 0.000 description 11
241000196324 Embryophyta Species 0.000 description 10
239000002253 acid Substances 0.000 description 10
230000002708 enhancing effect Effects 0.000 description 10
150000002978 peroxides Chemical class 0.000 description 10
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 9
229910001882 dioxygen Inorganic materials 0.000 description 9
230000009467 reduction Effects 0.000 description 9
230000008901 benefit Effects 0.000 description 8
239000013043 chemical agent Substances 0.000 description 8
239000002904 solvent Substances 0.000 description 8
238000010009 beating Methods 0.000 description 7
150000002367 halogens Chemical class 0.000 description 7
230000001965 increasing effect Effects 0.000 description 7
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 6
239000000835 fiber Substances 0.000 description 6
239000011121 hardwood Substances 0.000 description 6
230000007935 neutral effect Effects 0.000 description 6
239000004115 Sodium Silicate Substances 0.000 description 5
238000005516 engineering process Methods 0.000 description 5
229910052736 halogen Inorganic materials 0.000 description 5
239000002440 industrial waste Substances 0.000 description 5
239000000203 mixture Substances 0.000 description 5
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 5
229910052911 sodium silicate Inorganic materials 0.000 description 5
241000894007 species Species 0.000 description 5
238000010306 acid treatment Methods 0.000 description 4
230000002378 acidificating effect Effects 0.000 description 4
238000001035 drying Methods 0.000 description 4
238000010438 heat treatment Methods 0.000 description 4
238000012545 processing Methods 0.000 description 4
238000004064 recycling Methods 0.000 description 4
239000002023 wood Substances 0.000 description 4
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
241000219000 Populus Species 0.000 description 3
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 3
238000005056 compaction Methods 0.000 description 3
238000009792 diffusion process Methods 0.000 description 3
230000007613 environmental effect Effects 0.000 description 3
239000001257 hydrogen Substances 0.000 description 3
229910052739 hydrogen Inorganic materials 0.000 description 3
239000006193 liquid solution Substances 0.000 description 3
238000003756 stirring Methods 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
229920001131 Pulp (paper) Polymers 0.000 description 2
DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
229920002678 cellulose Polymers 0.000 description 2
239000001913 cellulose Substances 0.000 description 2
230000009920 chelation Effects 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
229910001902 chlorine oxide Inorganic materials 0.000 description 2
150000002431 hydrogen Chemical class 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
238000006385 ozonation reaction Methods 0.000 description 2
230000001105 regulatory effect Effects 0.000 description 2
239000002699 waste material Substances 0.000 description 2
OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
101100008047 Caenorhabditis elegans cut-3 gene Proteins 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
SCKXCAADGDQQCS-UHFFFAOYSA-N Performic acid Chemical class OOC=O SCKXCAADGDQQCS-UHFFFAOYSA-N 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
230000033228 biological regulation Effects 0.000 description 1
238000005282 brightening Methods 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
238000003421 catalytic decomposition reaction Methods 0.000 description 1
238000012993 chemical processing Methods 0.000 description 1
150000001805 chlorine compounds Chemical class 0.000 description 1
MAYPHUUCLRDEAZ-UHFFFAOYSA-N chlorine peroxide Inorganic materials ClOOCl MAYPHUUCLRDEAZ-UHFFFAOYSA-N 0.000 description 1
230000003749 cleanliness Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
208000012839 conversion disease Diseases 0.000 description 1
238000010411 cooking Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
239000010949 copper Substances 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
238000011161 development Methods 0.000 description 1
230000018109 developmental process Effects 0.000 description 1
230000029087 digestion Effects 0.000 description 1
239000003085 diluting agent Substances 0.000 description 1
238000004821 distillation Methods 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
238000011049 filling Methods 0.000 description 1
235000019253 formic acid Nutrition 0.000 description 1
239000013505 freshwater Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
238000010348 incorporation Methods 0.000 description 1
229910052500 inorganic mineral Inorganic materials 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
239000012633 leachable Substances 0.000 description 1
239000012978 lignocellulosic material Substances 0.000 description 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
239000012528 membrane Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
239000011707 mineral Chemical class 0.000 description 1
235000010755 mineral Nutrition 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000008520 organization Effects 0.000 description 1
150000004965 peroxy acids Chemical class 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000004076 pulp bleaching Methods 0.000 description 1
239000002910 solid waste Substances 0.000 description 1
238000000638 solvent extraction Methods 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
238000012360 testing method Methods 0.000 description 1
229910001428 transition metal ion Inorganic materials 0.000 description 1
239000003643 water by type 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- 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
- D21C9/147—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)

CA002163389A 1994-11-23 1995-11-21 Pates obtenues a l'aide de composes organiques exempts de chlore Abandoned CA2163389A1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US34417094A	1994-11-23	1994-11-23
US344,170		1994-11-23

Publications (1)

Publication Number	Publication Date
CA2163389A1 true CA2163389A1 (fr)	1996-05-24

Family

ID=23349348

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002163389A Abandoned CA2163389A1 (fr)	1994-11-23	1995-11-21	Pates obtenues a l'aide de composes organiques exempts de chlore

Country Status (7)

Country	Link
EP (1)	EP0716182A3 (fr)
JP (1)	JPH08260371A (fr)
AU (1)	AU3900295A (fr)
BR (1)	BR9505502A (fr)
CA (1)	CA2163389A1 (fr)
FI (1)	FI955622A7 (fr)
ZA (1)	ZA959906B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20200332376A1 (en) *	2014-06-03	2020-10-22	Board Of Trustees Of Michigan State University	Economical methods for performing oxidative catalytic pretreatment of plant biomass using a homogeneous catalyst system
US11859145B1 (en)	2022-08-29	2024-01-02	Board Of Trustees Of Michigan State University	Economical methods for performing oxidative catalytic pretreatment of plant biomass using a single-stage two oxidant process

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2282849C (fr)	1997-03-07	2004-07-13	Akzo Nobel N.V.	Procede de traitement des eaux residuaires
EP0863113A1 (fr) *	1997-03-07	1998-09-09	Akzo Nobel N.V.	Procédé pour le traitement d'eau résiduaire
FI112958B (fi) *	1997-12-19	2004-02-13	Kemira Oyj	Menetelmä kemiallisen massan valkaisemiseksi sekä valkaisuliuoksen käyttö
JP2002105849A (ja) *	2000-09-26	2002-04-10	Gunze Ltd	オゾンガスを利用したセルローズ系繊維編織布の漂白方法
NZ525393A (en)	2000-10-17	2006-03-31	James Hardie Int Finance Bv	Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials
JP2002266272A (ja) *	2001-03-12	2002-09-18	Nippon Paper Industries Co Ltd	セルロース質繊維材料パルプの漂白方法
CL2004000021A1 (es)	2003-01-09	2005-02-18	James Hardie Int Finance Bv	Material compuesto que comprende una matriz cementosa, y una mezcla de fibras celulosicas blanqueadas y sin blanquear que son incorporadas dentro de la matriz cementosa; metodo para fabricar un material compuesto de cemento reforzado con fibras.
US7976677B2 (en) *	2006-12-18	2011-07-12	International Paper Company	Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base
US7976676B2 (en) *	2006-12-18	2011-07-12	International Paper Company	Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base
US9512563B2 (en)	2009-05-28	2016-12-06	Gp Cellulose Gmbh	Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
BRPI1012052A2 (pt)	2009-05-28	2017-12-26	Gp Cellulose Gmbh	fibras kraft hidrolisadas e quimicamente modificadas e métodos de produção e de branqueamento de fibras kraft
US9512237B2 (en)	2009-05-28	2016-12-06	Gp Cellulose Gmbh	Method for inhibiting the growth of microbes with a modified cellulose fiber
US9511167B2 (en)	2009-05-28	2016-12-06	Gp Cellulose Gmbh	Modified cellulose from chemical kraft fiber and methods of making and using the same
FI123023B (fi) *	2009-09-01	2012-10-15	Andritz Oy	Menetelmä ja laitteisto suovan erottamiseksi
CO6330164A1 (es)	2011-07-12	2011-10-20	Univ Del Valle	Método para producir fibras de celulosa y de hemicelulosa de alta resistencia a partir de biomasa lignocelulósica de las hojas y cogollos de la caña de azúcar
RU2018117289A (ru) *	2013-02-08	2018-10-26	ДжиПи СЕЛЛЬЮЛОУС ГМБХ	КРАФТ-ВОЛОКНО ДРЕВЕСИНЫ ХВОЙНЫХ ПОРОД С УЛУЧШЕННЫМ СОДЕРЖАНИЕМ α-ЦЕЛЛЮЛОЗЫ И ЕГО ПРИМЕНЕНИЕ ПРИ ПРОИЗВОДСТВЕ ХИМИЧЕСКИХ ЦЕЛЛЮЛОЗНЫХ ПРОДУКТОВ
RU2671653C2 (ru) *	2013-03-14	2018-11-06	ДжиПи СЕЛЛЬЮЛОУС ГМБХ	Способ изготовления высокофункционального маловязкого крафтволокна с использованием последовательности кислотного отбеливания и волокно, изготовленное с помощью этого процесса
CN105143547B (zh)	2013-03-15	2018-05-01	Gp 纤维素股份有限公司	具有增高羧基含量的低粘度牛皮纸纤维及其制造和使用方法
WO2018093697A1 (fr)	2016-11-16	2018-05-24	Gp Cellulose Gmbh	Cellulose modifiée à base de fibres chimiques et procédés de fabrication et d'utilisation de ladite cellulose modifiée

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1132993A (en)	1914-04-14	1915-03-23	Horace Wyman	Photographic-film package.
CA1079008A (fr)	1975-10-24	1980-06-10	Cp Associates Limited	Procede de fabrication de pate a papier au solvant
US4764596A (en)	1985-11-05	1988-08-16	Repap Technologies Inc.	Recovery of lignin
CA2053035C (fr) *	1990-10-12	1997-09-30	Repap Enterprises Inc.	Pates de bois sans chlore, et procede de fabrication

1995
- 1995-11-21 CA CA002163389A patent/CA2163389A1/fr not_active Abandoned
- 1995-11-22 EP EP95118395A patent/EP0716182A3/fr not_active Withdrawn
- 1995-11-22 FI FI955622A patent/FI955622A7/fi not_active Application Discontinuation
- 1995-11-23 AU AU39002/95A patent/AU3900295A/en not_active Abandoned
- 1995-11-23 BR BR9505502A patent/BR9505502A/pt not_active Application Discontinuation
- 1995-11-23 ZA ZA959906A patent/ZA959906B/xx unknown
- 1995-11-24 JP JP7305391A patent/JPH08260371A/ja active Pending

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20200332376A1 (en) *	2014-06-03	2020-10-22	Board Of Trustees Of Michigan State University	Economical methods for performing oxidative catalytic pretreatment of plant biomass using a homogeneous catalyst system
US11859145B1 (en)	2022-08-29	2024-01-02	Board Of Trustees Of Michigan State University	Economical methods for performing oxidative catalytic pretreatment of plant biomass using a single-stage two oxidant process

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Publication number	Publication date
FI955622A0 (fi)	1995-11-22
AU3900295A (en)	1996-05-30
EP0716182A2 (fr)	1996-06-12
EP0716182A3 (fr)	1996-11-13
FI955622A7 (fi)	1996-05-24
JPH08260371A (ja)	1996-10-08
ZA959906B (en)	1996-07-18
BR9505502A (pt)	1997-10-28

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Date	Code	Title	Description
1999-11-22	FZDE	Discontinued

Publication	Publication Date	Title
CA2053035C (fr)	1997-09-30	Pates de bois sans chlore, et procede de fabrication
CA2163389A1 (fr)	1996-05-24	Pates obtenues a l'aide de composes organiques exempts de chlore
US4459174A (en)	1984-07-10	Process for the delignification and bleaching of chemical and semi-chemical cellulosic pulps
CN114174589A (zh)	2022-03-11	漂白纸浆的制造方法
US6258208B1 (en)	2001-07-10	Method for complex treatment of pulp in conjunction with a chlorine dioxide stage
Danielewicz	2023	The effect of treating pine regular kraft pulp with peracetic acid before O2-delignification on the consumption of ClO2 in D0ED1 bleaching
US5011572A (en)	1991-04-30	Two stage process for the oxygen delignification of lignocellulosic fibers with peroxide reinforcement in the first stage
WO1996009434A1 (fr)	1996-03-28	Procede de blanchiment de pate kraft
EP0464110B1 (fr)	1994-06-08	Procede de blanchiment servant a la production de pulpes tres claires
Hart	2019	Pulp bleaching
Ventorim et al.	2008	Reaction rates of lignin and hexenuronic acids with chlorine dioxide, ozone, and sulfuric acid
USH1690H (en)	1997-11-04	Process for bleaching kraft pulp
WO2008060519A2 (fr)	2008-05-22	Procédé de blanchiment amélioré avec au moins une étape d'extraction
US5728264A (en)	1998-03-17	Avoidance of salt scaling by acidic pulp washing process
WO1997036040A1 (fr)	1997-10-02	Pates organosolv blanchies a l'ozone
US20030168190A1 (en)	2003-09-11	Method for controlling the delignfication and bleaching of a pulp suspension
WO1995006772A1 (fr)	1995-03-09	Procede ameliore de blanchiment de pate lignocellulosique
JP3360694B2 (ja)	2002-12-24	製紙用化学パルプの脱リグニン漂白方法
WO2000008251A1 (fr)	2000-02-17	Procede perfectionne de blanchiment de pate a papier
WO1994029512A1 (fr)	1994-12-22	Procede de blanchiment de la pate de cellulose sans produits chimiques chlores
JP2000290887A (ja)	2000-10-17	リグノセルロースの漂白方法
JPH06158573A (ja)	1994-06-07	製紙用化学パルプの漂白方法
Van Tran	2006	Decreasing effluent loads through bleaching modification
JP2002302888A (ja)	2002-10-18	漂白パルプの製造方法
SE502135C2 (sv)	1995-08-28	Bleksekvens för kemisk massa innefattande ett sulfonerande bleksteg

CA2163389A1 - Pates obtenues a l'aide de composes organiques exempts de chlore - Google Patents

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