CA2245535A1 - Methods for applying ozone in ecf bleaching - Google Patents

Methods for applying ozone in ecf bleaching Download PDF

Info

Publication number: CA2245535A1
Authority: CA; Canada
Prior art keywords: bleaching; pulp; ozone; stage; reaction
Prior art date: 1997-08-25
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

CA002245535A

Other languages

English (en)

French (fr)

Inventor

Elias Salvador

Jorge Luiz Colodette

Ana Campos H. De Brito

Marcelo Rodrigues Da Silva

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.)

Praxair Technology Inc

Original Assignee

Praxair Technology 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.)

1997-08-25

Filing date

1998-08-24

Publication date

1999-02-25

1998-08-24 Application filed by Praxair Technology Inc filed Critical Praxair Technology Inc

1999-02-25 Publication of CA2245535A1 publication Critical patent/CA2245535A1/en

Status Abandoned legal-status Critical Current

Links

238000004061 bleaching Methods 0.000 title claims abstract description 110
CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 title claims abstract description 69
238000000034 method Methods 0.000 title claims abstract description 65
238000000605 extraction Methods 0.000 claims abstract description 32
230000020477 pH reduction Effects 0.000 claims abstract description 17
230000001590 oxidative effect Effects 0.000 claims abstract description 16
239000012978 lignocellulosic material Substances 0.000 claims abstract description 13
OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 130
235000019398 chlorine dioxide Nutrition 0.000 claims description 61
239000004155 Chlorine dioxide Substances 0.000 claims description 59
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 48
229910052760 oxygen Inorganic materials 0.000 claims description 48
239000001301 oxygen Substances 0.000 claims description 48
238000006243 chemical reaction Methods 0.000 claims description 35
230000035484 reaction time Effects 0.000 claims description 15
239000003513 alkali Substances 0.000 claims description 14
238000005949 ozonolysis reaction Methods 0.000 claims description 6
239000002253 acid Substances 0.000 claims description 5
230000002378 acidificating effect Effects 0.000 claims description 2
229910052500 inorganic mineral Inorganic materials 0.000 claims description 2
239000011707 mineral Substances 0.000 claims description 2
230000008569 process Effects 0.000 description 40
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 34
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 12
229920005610 lignin Polymers 0.000 description 11
150000002978 peroxides Chemical class 0.000 description 11
238000005406 washing Methods 0.000 description 11
239000003153 chemical reaction reagent Substances 0.000 description 10
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
239000000460 chlorine Substances 0.000 description 8
230000009467 reduction Effects 0.000 description 8
239000000126 substance Substances 0.000 description 8
238000005516 engineering process Methods 0.000 description 7
239000000123 paper Substances 0.000 description 7
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 6
229910052801 chlorine Inorganic materials 0.000 description 6
150000001875 compounds Chemical class 0.000 description 6
229910052943 magnesium sulfate Inorganic materials 0.000 description 6
235000019341 magnesium sulphate Nutrition 0.000 description 6
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 5
239000002738 chelating agent Substances 0.000 description 5
239000004698 Polyethylene Substances 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
239000012153 distilled water Substances 0.000 description 4
230000007613 environmental effect Effects 0.000 description 4
239000000203 mixture Substances 0.000 description 4
-1 polyethylene Polymers 0.000 description 4
229920000573 polyethylene Polymers 0.000 description 4
MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
239000007844 bleaching agent Substances 0.000 description 3
239000007789 gas Substances 0.000 description 3
239000002655 kraft paper Substances 0.000 description 3
238000004076 pulp bleaching Methods 0.000 description 3
KSMVNVHUTQZITP-UHFFFAOYSA-N 2,3,7,8-Tetrachlorodibenzofuran Chemical compound O1C2=CC(Cl)=C(Cl)C=C2C2=C1C=C(Cl)C(Cl)=C2 KSMVNVHUTQZITP-UHFFFAOYSA-N 0.000 description 2
HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
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 2
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
229920001131 Pulp (paper) Polymers 0.000 description 2
230000004075 alteration Effects 0.000 description 2
230000008901 benefit Effects 0.000 description 2
150000001720 carbohydrates Chemical class 0.000 description 2
235000014633 carbohydrates Nutrition 0.000 description 2
230000015556 catabolic process Effects 0.000 description 2
230000008859 change Effects 0.000 description 2
QBWCMBCROVPCKQ-UHFFFAOYSA-N chlorous acid Chemical compound OCl=O QBWCMBCROVPCKQ-UHFFFAOYSA-N 0.000 description 2
238000006731 degradation reaction Methods 0.000 description 2
230000001627 detrimental effect Effects 0.000 description 2
238000010790 dilution Methods 0.000 description 2
239000012895 dilution Substances 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000000835 fiber Substances 0.000 description 2
239000012467 final product Substances 0.000 description 2
239000011777 magnesium Substances 0.000 description 2
229910052749 magnesium Inorganic materials 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
238000004537 pulping Methods 0.000 description 2
239000011122 softwood Substances 0.000 description 2
238000006467 substitution reaction Methods 0.000 description 2
239000002023 wood Substances 0.000 description 2
AGMNQPKGRCRYQP-UHFFFAOYSA-N 2-[2-[2-[bis(carboxymethyl)amino]ethylamino]ethyl-(carboxymethyl)amino]acetic acid Chemical compound OC(=O)CN(CC(O)=O)CCNCCN(CC(O)=O)CC(O)=O AGMNQPKGRCRYQP-UHFFFAOYSA-N 0.000 description 1
BPRJTLAULHNDLP-UHFFFAOYSA-N Chloropanaxydiol Chemical compound CCCCCCCC1OC1CC#CC#CC(O)C(O)CCl BPRJTLAULHNDLP-UHFFFAOYSA-N 0.000 description 1
102000004190 Enzymes Human genes 0.000 description 1
108090000790 Enzymes Proteins 0.000 description 1
239000005708 Sodium hypochlorite Substances 0.000 description 1
230000009471 action Effects 0.000 description 1
231100000693 bioaccumulation Toxicity 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
239000001913 cellulose Substances 0.000 description 1
230000009920 chelation Effects 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
150000001804 chlorine Chemical class 0.000 description 1
229910001902 chlorine oxide Inorganic materials 0.000 description 1
238000010411 cooking Methods 0.000 description 1
239000013256 coordination polymer Substances 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
230000008030 elimination Effects 0.000 description 1
238000003379 elimination reaction Methods 0.000 description 1
238000003912 environmental pollution Methods 0.000 description 1
239000011521 glass Substances 0.000 description 1
150000004820 halides Chemical class 0.000 description 1
239000011121 hardwood Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
238000009434 installation Methods 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
235000010755 mineral Nutrition 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
238000010534 nucleophilic substitution reaction Methods 0.000 description 1
238000005457 optimization Methods 0.000 description 1
239000011368 organic material Substances 0.000 description 1
239000005416 organic matter Substances 0.000 description 1
150000004967 organic peroxy acids Chemical class 0.000 description 1
235000006408 oxalic acid Nutrition 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
QVGXLLKOCUKJST-BJUDXGSMSA-N oxygen-15 atom Chemical compound [15O] QVGXLLKOCUKJST-BJUDXGSMSA-N 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
238000003825 pressing Methods 0.000 description 1
239000000047 product Substances 0.000 description 1
238000011084 recovery Methods 0.000 description 1
230000004044 response Effects 0.000 description 1
SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
230000003381 solubilizing effect Effects 0.000 description 1
239000000243 solution Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
230000002195 synergetic effect Effects 0.000 description 1
231100000331 toxic Toxicity 0.000 description 1
230000002588 toxic effect Effects 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
- D21C9/1057—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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous processes
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
- D21C3/263—Multistage processes at least one stage being in presence of oxygen
- 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)
Polysaccharides And Polysaccharide Derivatives (AREA)

CA002245535A 1997-08-25 1998-08-24 Methods for applying ozone in ecf bleaching Abandoned CA2245535A1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US91723597A	1997-08-25	1997-08-25
US08/917,235		1997-08-25

Publications (1)

Publication Number	Publication Date
CA2245535A1 true CA2245535A1 (en)	1999-02-25

Family

ID=25438514

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002245535A Abandoned CA2245535A1 (en)	1997-08-25	1998-08-24	Methods for applying ozone in ecf bleaching

Country Status (6)

Country	Link
EP (1)	EP0905307A1 (de)
KR (1)	KR19990023814A (de)
CN (1)	CN1209480A (de)
BR (1)	BR9803217A (de)
CA (1)	CA2245535A1 (de)
ID (1)	ID23571A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102995478B (zh) *	2011-09-09	2015-04-15	吉林化纤集团有限责任公司	一种制备高质量低污染竹材溶解浆的漂白方法
CN111979822A (zh) *	2020-08-07	2020-11-24	齐鲁工业大学	一种适合无元素氯（ecf）短程序漂白的顺序漂白工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4959124A (en) *	1989-05-05	1990-09-25	International Paper Company	Method of bleaching kraft pulp in a DZED sequence
SE467260B (sv) *	1989-12-29	1992-06-22	Kamyr Ab	Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg
BR9007533A (pt) *	1990-05-17	1992-04-28	Union Camp Corp	Processo para fabricacao de polpa alvejada e para deslignificar e alvejar um material lignoscelulosico
SE470065C (sv) *	1991-04-30	1996-01-15	Eka Nobel Ab	Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning

1998
- 1998-08-06 ID IDP981108A patent/ID23571A/id unknown
- 1998-08-21 CN CN98118627A patent/CN1209480A/zh active Pending
- 1998-08-24 EP EP98115927A patent/EP0905307A1/de not_active Withdrawn
- 1998-08-24 KR KR1019980034194A patent/KR19990023814A/ko not_active Ceased
- 1998-08-24 CA CA002245535A patent/CA2245535A1/en not_active Abandoned
- 1998-08-24 BR BR9803217-8A patent/BR9803217A/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
KR19990023814A (ko)	1999-03-25
EP0905307A1 (de)	1999-03-31
BR9803217A (pt)	1999-11-03
CN1209480A (zh)	1999-03-03
ID23571A (id)	2000-05-04

Legal Events

Date	Code	Title	Description
1998-08-24	EEER	Examination request
2003-03-03	FZDE	Dead

Publication	Publication Date	Title
US5164044A (en)	1992-11-17	Environmentally improved process for bleaching lignocellulosic materials with ozone
CA2067295C (en)	1996-07-23	Process for bleaching of lignocellulose-containing material
CA1259456A (en)	1989-09-19	Enhanced oxidative extraction
AU638017B2 (en)	1993-06-17	Environmentally improved process for bleaching lignocellulosic materials
Bajpai	2012	Environmentally benign approaches for pulp bleaching
US5164043A (en)	1992-11-17	Environmentally improved process for bleaching lignocellulosic materials with ozone
CA2067296C (en)	1997-03-04	Process for bleaching of lignocellulose-containing pulp
CA2053035C (en)	1997-09-30	Chlorine-free wood pulps and process of making
US5211811A (en)	1993-05-18	Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US8080129B2 (en)	2011-12-20	Environmentally benign TCF bleaching sequences for AS/AQ wheat straw pulp
US5188708A (en)	1993-02-23	Process for high consistency oxygen delignification followed by ozone relignification
EP1101860A1 (de)	2001-05-23	Verfahren zum Bleichen von Pulpe mittels aktivem Ozon
US5409570A (en)	1995-04-25	Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
US5876561A (en)	1999-03-02	Post digestion treatment of cellulosic pulp to minimize formation of dioxin
FI105213B (fi)	2000-06-30	Menetelmä valkaistun massan valmistamiseksi lignoselluloosamateriaalista
KR930002072B1 (ko)	1993-03-26	과산화수소 강화된 산소 탈리그닌화 방법
EP0789798B1 (de)	1998-06-24	Verfahren zur delignifizierung und zum bleichen von chemischen zellstoff
US5645687A (en)	1997-07-08	Process for manufacturing bleached pulp with reduced chloride production
US5441603A (en)	1995-08-15	Method for chelation of pulp prior to ozone delignification
EP0905307A1 (de)	1999-03-31	Verfahren zur Verwendung von Ozon im ECF-Bleichverfahren
Hart	2019	Pulp bleaching
CA2150810A1 (en)	1994-09-15	Process for bleaching pulp
EP0720676A1 (de)	1996-07-10	Verbessertes verfahren zum bleichen von lignocellulosischem zellstoff
US6325892B1 (en)	2001-12-04	Method of delignifying sulphite pulp with oxygen and borohydride
JP2002069879A (ja)	2002-03-08	セルロース質繊維材料のパルプの漂白方法