CA2081398C - Wash press modification for oxygen delignification process - Google Patents

Wash press modification for oxygen delignification process

Info

Publication number: CA2081398C
Authority: CA; Canada
Prior art keywords: pulp; alkaline material; wash press; weight; consistency
Prior art date: 1991-10-29
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 - Fee Related

Application number

CA002081398A

Other languages

English (en)

French (fr)

Other versions

CA2081398A1 (en

Inventor

William H. Friend

Stuart T. Terrett

Spencer W. Eachus

Bruce F. Griggs

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.)

Union Camp Patent Holding Inc

Original Assignee

Union Camp Patent Holding Inc

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.)

1991-10-29

Filing date

1992-10-26

Publication date

1997-03-25

1992-10-26 Application filed by Union Camp Patent Holding Inc filed Critical Union Camp Patent Holding Inc

1993-04-30 Publication of CA2081398A1 publication Critical patent/CA2081398A1/en

1997-03-25 Application granted granted Critical

1997-03-25 Publication of CA2081398C publication Critical patent/CA2081398C/en

2012-10-26 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 81
230000008569 process Effects 0.000 title claims abstract description 66
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 59
239000001301 oxygen Substances 0.000 title claims abstract description 59
229910052760 oxygen Inorganic materials 0.000 title claims abstract description 59
230000004048 modification Effects 0.000 title description 6
238000012986 modification Methods 0.000 title description 6
239000000463 material Substances 0.000 claims abstract description 129
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 62
238000010790 dilution Methods 0.000 claims description 54
239000012895 dilution Substances 0.000 claims description 54
238000006073 displacement reaction Methods 0.000 claims description 27
239000000243 solution Substances 0.000 claims description 15
238000002156 mixing Methods 0.000 claims description 12
238000005406 washing Methods 0.000 claims description 12
239000000835 fiber Substances 0.000 claims description 9
229920002678 cellulose Polymers 0.000 claims description 8
239000001913 cellulose Substances 0.000 claims description 8
239000011122 softwood Substances 0.000 claims description 7
238000004064 recycling Methods 0.000 claims description 6
239000011121 hardwood Substances 0.000 claims description 4
230000003247 decreasing effect Effects 0.000 claims 4
239000000126 substance Substances 0.000 abstract description 17
238000004061 bleaching Methods 0.000 abstract description 13
229920005610 lignin Polymers 0.000 abstract description 9
239000012670 alkaline solution Substances 0.000 abstract description 8
239000003513 alkali Substances 0.000 abstract description 4
230000000694 effects Effects 0.000 abstract description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
239000002023 wood Substances 0.000 description 16
238000010411 cooking Methods 0.000 description 14
230000008901 benefit Effects 0.000 description 11
239000002655 kraft paper Substances 0.000 description 11
238000004537 pulping Methods 0.000 description 11
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 10
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 9
239000000460 chlorine Substances 0.000 description 9
238000011282 treatment Methods 0.000 description 7
229910052801 chlorine Inorganic materials 0.000 description 6
238000009826 distribution Methods 0.000 description 6
239000000047 product Substances 0.000 description 6
239000007787 solid Substances 0.000 description 6
239000004155 Chlorine dioxide Substances 0.000 description 5
230000008859 change Effects 0.000 description 5
235000019398 chlorine dioxide Nutrition 0.000 description 5
238000000605 extraction Methods 0.000 description 5
239000000123 paper Substances 0.000 description 5
230000000717 retained effect Effects 0.000 description 5
238000005507 spraying Methods 0.000 description 5
239000007844 bleaching agent Substances 0.000 description 4
WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 4
238000011084 recovery Methods 0.000 description 4
230000009467 reduction Effects 0.000 description 4
229920001131 Pulp (paper) Polymers 0.000 description 3
PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 3
150000004056 anthraquinones Chemical class 0.000 description 3
238000006243 chemical reaction Methods 0.000 description 3
229910001902 chlorine oxide Inorganic materials 0.000 description 3
239000000356 contaminant Substances 0.000 description 3
239000003344 environmental pollutant Substances 0.000 description 3
239000007788 liquid Substances 0.000 description 3
230000014759 maintenance of location Effects 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
238000009827 uniform distribution Methods 0.000 description 3
229920002488 Hemicellulose Polymers 0.000 description 2
230000002411 adverse Effects 0.000 description 2
239000002657 fibrous material Substances 0.000 description 2
238000013178 mathematical model Methods 0.000 description 2
229920000136 polysorbate Polymers 0.000 description 2
230000004044 response Effects 0.000 description 2
238000012216 screening Methods 0.000 description 2
229910052979 sodium sulfide Inorganic materials 0.000 description 2
GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 2
239000007921 spray Substances 0.000 description 2
239000007858 starting material Substances 0.000 description 2
230000001360 synchronised effect Effects 0.000 description 2
LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 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
CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
230000009471 action Effects 0.000 description 1
238000010420 art technique Methods 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000007596 consolidation process Methods 0.000 description 1
238000011217 control strategy Methods 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
239000000706 filtrate Substances 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
230000006872 improvement Effects 0.000 description 1
229910003480 inorganic solid Inorganic materials 0.000 description 1
239000000203 mixture Substances 0.000 description 1
150000002978 peroxides Chemical class 0.000 description 1
238000003825 pressing Methods 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
238000005063 solubilization Methods 0.000 description 1
230000007928 solubilization Effects 0.000 description 1
238000006467 substitution reaction Methods 0.000 description 1
230000008719 thickening Effects 0.000 description 1
239000010409 thin film Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1
239000002351 wastewater Substances 0.000 description 1
238000004065 wastewater treatment 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
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
- 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)
Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Television Systems (AREA)
Gas Separation By Absorption (AREA)
Cleaning By Liquid Or Steam (AREA)
Detergent Compositions (AREA)
Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

CA002081398A 1991-10-29 1992-10-26 Wash press modification for oxygen delignification process Expired - Fee Related CA2081398C (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US78418491A	1991-10-29	1991-10-29
US784,184		1991-10-29

Publications (2)

Publication Number	Publication Date
CA2081398A1 CA2081398A1 (en)	1993-04-30
CA2081398C true CA2081398C (en)	1997-03-25

Family

ID=25131607

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002081398A Expired - Fee Related CA2081398C (en)	1991-10-29	1992-10-26	Wash press modification for oxygen delignification process

Country Status (14)

Country	Link
EP (1)	EP0540091B1 (de)
JP (1)	JPH05195466A (de)
KR (1)	KR960006125B1 (de)
CN (1)	CN1080343A (de)
AT (1)	ATE147808T1 (de)
AU (1)	AU647973B2 (de)
BR (1)	BR9204173A (de)
CA (1)	CA2081398C (de)
DE (1)	DE69216757D1 (de)
FI (1)	FI924751A7 (de)
NO (1)	NO924080L (de)
NZ (1)	NZ244837A (de)
SE (1)	SE9203113L (de)
ZA (1)	ZA928294B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0863113A1 (de) *	1997-03-07	1998-09-09	Akzo Nobel N.V.	Verfahren zur Aufbereitung von Abwasser
AU6641498A (en)	1997-03-07	1998-09-22	Akzo Nobel N.V.	Process for treating wastewater
FI122241B (fi) *	2007-06-15	2011-10-31	Andritz Oy	Menetelmä massan pesun yhteydessä sellutehtaalla
EP2580389B1 (de)	2010-06-10	2016-05-25	Packaging Corporation Of America	Verfahren zur herstellung von zellstoff für wellpappe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0211945A4 (de) *	1985-02-14	1987-07-06	Edward Francis Elton	Verfahren und vorrichtung zur alkalischen delignifizierung von lignozellulose-fasermaterial.
US5085734A (en) *	1989-02-15	1992-02-04	Union Camp Patent Holding, Inc.	Methods of high consistency oxygen delignification using a low consistency alkali pretreatment
US5173153A (en) *	1991-01-03	1992-12-22	Union Camp Patent Holding, Inc.	Process for enhanced oxygen delignification using high consistency and a split alkali addition
JPH02289194A (ja) *	1989-04-20	1990-11-29	Mitsubishi Paper Mills Ltd	リグノセルロース物質の酸素漂白法

1992
- 1992-10-20 FI FI924751A patent/FI924751A7/fi not_active Application Discontinuation
- 1992-10-21 NO NO92924080A patent/NO924080L/no unknown
- 1992-10-21 NZ NZ244837A patent/NZ244837A/en unknown
- 1992-10-21 AU AU27168/92A patent/AU647973B2/en not_active Ceased
- 1992-10-22 EP EP92203241A patent/EP0540091B1/de not_active Expired - Lifetime
- 1992-10-22 AT AT92203241T patent/ATE147808T1/de not_active IP Right Cessation
- 1992-10-22 DE DE69216757T patent/DE69216757D1/de not_active Expired - Lifetime
- 1992-10-23 SE SE9203113A patent/SE9203113L/ not_active Application Discontinuation
- 1992-10-26 CA CA002081398A patent/CA2081398C/en not_active Expired - Fee Related
- 1992-10-27 ZA ZA928294A patent/ZA928294B/xx unknown
- 1992-10-27 BR BR929204173A patent/BR9204173A/pt not_active Application Discontinuation
- 1992-10-28 KR KR1019920019881A patent/KR960006125B1/ko not_active Expired - Lifetime
- 1992-10-29 CN CN92113767A patent/CN1080343A/zh active Pending
- 1992-10-29 JP JP4291469A patent/JPH05195466A/ja active Pending

Also Published As

Publication number	Publication date
KR960006125B1 (ko)	1996-05-09
EP0540091B1 (de)	1997-01-15
ZA928294B (en)	1993-05-18
DE69216757D1 (de)	1997-02-27
EP0540091A1 (de)	1993-05-05
AU2716892A (en)	1993-05-20
FI924751A7 (fi)	1993-04-30
NO924080L (no)	1993-04-30
SE9203113L (sv)	1993-04-30
BR9204173A (pt)	1993-05-04
CN1080343A (zh)	1994-01-05
FI924751A0 (fi)	1992-10-20
KR930008238A (ko)	1993-05-21
JPH05195466A (ja)	1993-08-03
NO924080D0 (no)	1992-10-21
SE9203113D0 (sv)	1992-10-23
ATE147808T1 (de)	1997-02-15
NZ244837A (en)	1994-10-26
AU647973B2 (en)	1994-03-31
CA2081398A1 (en)	1993-04-30

Legal Events

Date	Code	Title	Description
1992-10-26	EEER	Examination request
1998-10-26	MKLA	Lapsed
2023-05-26	MKLA	Lapsed	Effective date: 19981026

Publication	Publication Date	Title
US5164044A (en)	1992-11-17	Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164043A (en)	1992-11-17	Environmentally improved process for bleaching lignocellulosic materials with ozone
US4806203A (en)	1989-02-21	Method for alkaline delignification of lignocellulosic fibrous material at a consistency which is raised during reaction
AU638017B2 (en)	1993-06-17	Environmentally improved process for bleaching lignocellulosic materials
US5211811A (en)	1993-05-18	Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US5188708A (en)	1993-02-23	Process for high consistency oxygen delignification followed by ozone relignification
US5173153A (en)	1992-12-22	Process for enhanced oxygen delignification using high consistency and a split alkali addition
US5409570A (en)	1995-04-25	Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
FI105213B (fi)	2000-06-30	Menetelmä valkaistun massan valmistamiseksi lignoselluloosamateriaalista
US5085734A (en)	1992-02-04	Methods of high consistency oxygen delignification using a low consistency alkali pretreatment
US5525195A (en)	1996-06-11	Process for high consistency delignification using a low consistency alkali pretreatment
US5217574A (en)	1993-06-08	Process for oxygen delignifying high consistency pulp by removing and recycling pressate from alkaline pulp
AU647950B2 (en)	1994-03-31	Use of wash press for pulp alkali addition process
AU647973B2 (en)	1994-03-31	Wash press modification for oxygen delignification process
CA1173604A (en)	1984-09-04	Production of chemimechanical pulp
CA1147909A (en)	1983-06-14	Method for delignifying and/or bleaching cellulose pulp
US5441603A (en)	1995-08-15	Method for chelation of pulp prior to ozone delignification
AU647485B2 (en)	1994-03-24	Pulp alkali addition process for high consistency oxygen delignification
RU2071518C1 (ru)	1997-01-10	Способ кислородной делигнификации небеленой целлюлозной массы
NZ232530A (en)	1992-07-28	Alkaline process for bleaching and delignifying wood or pulp
WO1995006772A1 (en)	1995-03-09	Improved method for bleaching lignocellulosic pulp
NZ243912A (en)	1994-02-25	Process for enhancing high consistency oxygen delignification of pulp by
CA2170733A1 (en)	1995-03-09	Medium consistency ozone brightening of high consistency ozone bleached pulp
NZ239171A (en)	1993-07-27	Manufacture of bleached pulp by chemical digestion, partial delignification with oxygen, then substantial delignification with ozone