CA2023904C - Procede de desencrage et de blanchiment d'une fibre secondaire - Google Patents

Procede de desencrage et de blanchiment d'une fibre secondaire

Info

Publication number: CA2023904C
Authority: CA; Canada
Prior art keywords: pulp; surfactant; oxygen; deinking; washing
Prior art date: 1989-10-18
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

CA 2023904

Other languages

English (en)

Other versions

CA2023904A1 (fr

Inventor

Ronald Charles Naddeo

Augustine Ivanhoe Dalton

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.)

Air Products and Chemicals Inc

Original Assignee

Air Products and Chemicals 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.)

1989-10-18

Filing date

1990-08-23

Publication date

1995-11-28

1990-08-23 Application filed by Air Products and Chemicals Inc filed Critical Air Products and Chemicals Inc

1991-04-19 Publication of CA2023904A1 publication Critical patent/CA2023904A1/fr

1995-11-28 Application granted granted Critical

1995-11-28 Publication of CA2023904C publication Critical patent/CA2023904C/fr

2010-08-23 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

239000000835 fiber Substances 0.000 title claims abstract description 26
238000004061 bleaching Methods 0.000 title claims description 35
239000002761 deinking Substances 0.000 title claims description 21
239000004094 surface-active agent Substances 0.000 claims abstract description 53
239000001301 oxygen Substances 0.000 claims abstract description 42
229910052760 oxygen Inorganic materials 0.000 claims abstract description 42
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 41
238000005406 washing Methods 0.000 claims abstract description 19
238000011282 treatment Methods 0.000 claims abstract description 16
239000007789 gas Substances 0.000 claims abstract description 9
238000000034 method Methods 0.000 claims description 36
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 15
239000000460 chlorine Substances 0.000 claims description 13
230000014759 maintenance of location Effects 0.000 claims description 13
229910052801 chlorine Inorganic materials 0.000 claims description 12
239000000126 substance Substances 0.000 claims description 12
238000005660 chlorination reaction Methods 0.000 claims description 8
239000000706 filtrate Substances 0.000 claims description 6
238000006243 chemical reaction Methods 0.000 claims description 5
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
229910001882 dioxygen Inorganic materials 0.000 claims description 4
238000005188 flotation Methods 0.000 claims description 4
239000002736 nonionic surfactant Substances 0.000 claims description 4
239000012736 aqueous medium Substances 0.000 claims description 3
238000004537 pulping Methods 0.000 claims description 3
229920001131 Pulp (paper) Polymers 0.000 claims description 2
239000003945 anionic surfactant Substances 0.000 claims description 2
239000007788 liquid Substances 0.000 claims description 2
238000004064 recycling Methods 0.000 claims description 2
239000013055 pulp slurry Substances 0.000 claims 1
239000002002 slurry Substances 0.000 claims 1
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 42
150000002978 peroxides Chemical class 0.000 description 16
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
239000007844 bleaching agent Substances 0.000 description 10
230000000694 effects Effects 0.000 description 10
WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 10
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
238000002474 experimental method Methods 0.000 description 5
239000000123 paper Substances 0.000 description 5
239000003513 alkali Substances 0.000 description 4
239000000356 contaminant Substances 0.000 description 4
239000002657 fibrous material Substances 0.000 description 4
229920005610 lignin Polymers 0.000 description 4
238000000605 extraction Methods 0.000 description 3
229960003903 oxygen Drugs 0.000 description 3
239000000047 product Substances 0.000 description 3
MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
230000008901 benefit Effects 0.000 description 2
230000015572 biosynthetic process Effects 0.000 description 2
GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
239000000203 mixture Substances 0.000 description 2
-1 nonylphenoxy(ethyleneoxy)ethanol Chemical class 0.000 description 2
229920000728 polyester Polymers 0.000 description 2
238000010998 test method Methods 0.000 description 2
239000002023 wood Substances 0.000 description 2
NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
XZMCDFZZKTWFGF-UHFFFAOYSA-N Cyanamide Chemical compound NC#N XZMCDFZZKTWFGF-UHFFFAOYSA-N 0.000 description 1
125000000129 anionic group Chemical group 0.000 description 1
230000009286 beneficial effect Effects 0.000 description 1
125000002091 cationic group Chemical group 0.000 description 1
239000003093 cationic surfactant Substances 0.000 description 1
239000003518 caustics Substances 0.000 description 1
JFBJUMZWZDHTIF-UHFFFAOYSA-N chlorine chlorite Inorganic materials ClOCl=O JFBJUMZWZDHTIF-UHFFFAOYSA-N 0.000 description 1
150000001805 chlorine compounds Chemical class 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
238000000576 coating method Methods 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000008021 deposition Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
235000019329 dioctyl sodium sulphosuccinate Nutrition 0.000 description 1
150000002013 dioxins Chemical class 0.000 description 1
YHAIUSTWZPMYGG-UHFFFAOYSA-L disodium;2,2-dioctyl-3-sulfobutanedioate Chemical compound [Na+].[Na+].CCCCCCCCC(C([O-])=O)(C(C([O-])=O)S(O)(=O)=O)CCCCCCCC YHAIUSTWZPMYGG-UHFFFAOYSA-L 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
239000000945 filler Substances 0.000 description 1
150000002240 furans Chemical class 0.000 description 1
230000000977 initiatory effect Effects 0.000 description 1
239000002655 kraft paper Substances 0.000 description 1
239000002609 medium Substances 0.000 description 1
XKBGEWXEAPTVCK-UHFFFAOYSA-M methyltrioctylammonium chloride Chemical compound [Cl-].CCCCCCCC[N+](C)(CCCCCCCC)CCCCCCCC XKBGEWXEAPTVCK-UHFFFAOYSA-M 0.000 description 1
239000010893 paper waste Substances 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000011160 research Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
239000010802 sludge Substances 0.000 description 1
238000007655 standard test method Methods 0.000 description 1
239000007858 starting material Substances 0.000 description 1
231100000331 toxic Toxicity 0.000 description 1
230000002588 toxic effect Effects 0.000 description 1
239000002699 waste material 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/08—Pretreatment of the finely-divided materials before digesting with oxygen-generating compounds
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling

Landscapes

Paper (AREA)

CA 2023904 1989-10-18 1990-08-23 Procede de desencrage et de blanchiment d'une fibre secondaire Expired - Fee Related CA2023904C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US42329889A	1989-10-18	1989-10-18
US423298		1995-04-17

Publications (2)

Publication Number	Publication Date
CA2023904A1 CA2023904A1 (fr)	1991-04-19
CA2023904C true CA2023904C (fr)	1995-11-28

Family

ID=23678370

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2023904 Expired - Fee Related CA2023904C (fr)	1989-10-18	1990-08-23	Procede de desencrage et de blanchiment d'une fibre secondaire

Country Status (8)

Country	Link
JP (1)	JPH03137285A (fr)
KR (1)	KR930010534B1 (fr)
CN (1)	CN1051062A (fr)
BR (1)	BR9004623A (fr)
CA (1)	CA2023904C (fr)
MX (1)	MX174304B (fr)
MY (1)	MY107045A (fr)
ZA (1)	ZA907009B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2082557C (fr)	1992-02-24	1997-03-11	Charles W. Hankins	Procede de desintegration integre de dechets de papier produisant des fibres de papier de categorie hygienique
CN111893800B (zh) *	2020-06-17	2022-07-26	宁波宝新不锈钢有限公司	一种有利于平整延伸率轧出的不锈钢垫纸的制备方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6225796A (ja) *	1985-07-26	1987-02-03	松下電器産業株式会社	音声認識装置

1990
- 1990-08-23 CA CA 2023904 patent/CA2023904C/fr not_active Expired - Fee Related
- 1990-08-28 MY MYPI90001463A patent/MY107045A/en unknown
- 1990-08-30 MX MX2216090A patent/MX174304B/es unknown
- 1990-09-03 ZA ZA907009A patent/ZA907009B/xx unknown
- 1990-09-13 JP JP2243696A patent/JPH03137285A/ja active Pending
- 1990-09-17 BR BR9004623A patent/BR9004623A/pt not_active Application Discontinuation
- 1990-09-18 KR KR1019900015001A patent/KR930010534B1/ko not_active Expired - Fee Related
- 1990-10-05 CN CN90108273A patent/CN1051062A/zh active Pending

Also Published As

Publication number	Publication date
CA2023904A1 (fr)	1991-04-19
KR930010534B1 (ko)	1993-10-25
KR910008224A (ko)	1991-05-30
JPH03137285A (ja)	1991-06-11
ZA907009B (en)	1992-05-27
BR9004623A (pt)	1991-09-10
MX174304B (es)	1994-05-04
CN1051062A (zh)	1991-05-01
MY107045A (en)	1995-09-30

Legal Events

Date	Code	Title	Description
1990-08-23	EEER	Examination request
1999-08-23	MKLA	Lapsed
2023-05-26	MKLA	Lapsed	Effective date: 19990823

Publication	Publication Date	Title
JP2825346B2 (ja)	1998-11-18	リグノセルロース物質の環境上改良された漂白方法
US5296099A (en)	1994-03-22	Environmentally improved process for bleaching lignocellulosic materials with oxygen, ozone and chlorine dioxide
EP0514901B1 (fr)	1995-09-13	Enlèvement de colorants pendant la décoloration à l'oxygène de fibres de récupération
EP0542147B1 (fr)	1997-01-29	Nettoyage et blanchiment de fibres secondaires
US5164043A (en)	1992-11-17	Environmentally improved process for bleaching lignocellulosic materials with ozone
US5211811A (en)	1993-05-18	Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
EP0395792B1 (fr)	1993-07-14	Procédé de blanchiment de pâte
US5188708A (en)	1993-02-23	Process for high consistency oxygen delignification followed by ozone relignification
US5958179A (en)	1999-09-28	Process for increasing pulp whiteness by bleaching printed wastepaper under intense dispersing mechanical treatment
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
FI99152C (fi)	1997-10-10	Vetyperoksidilla tehostettu happidelignifiointi
US5298118A (en)	1994-03-29	Preparation of bleached chemithermomechanical pulp
CA2023904C (fr)	1995-11-28	Procede de desencrage et de blanchiment d'une fibre secondaire
US5733412A (en)	1998-03-31	Decolorizing brown fibers in recycled pulp
US5441603A (en)	1995-08-15	Method for chelation of pulp prior to ozone delignification
US5728264A (en)	1998-03-17	Avoidance of salt scaling by acidic pulp washing process
EP0720676A1 (fr)	1996-07-10	Procede ameliore de blanchiment de pate lignocellulosique
JP2002069879A (ja)	2002-03-08	セルロース質繊維材料のパルプの漂白方法
JP2000027085A (ja)	2000-01-25	古紙からの漂白パルプの製造方法
US5783037A (en)	1998-07-21	System and method for operating a pulp mill
NZ239171A (en)	1993-07-27	Manufacture of bleached pulp by chemical digestion, partial delignification with oxygen, then substantial delignification with ozone
EP4274930A1 (fr)	2023-11-15	Traitement à l'oxygène de fibres à kappa élevé
JPH06294087A (ja)	1994-10-21	漂白クラフトパルプ
JP2002266272A (ja)	2002-09-18	セルロース質繊維材料パルプの漂白方法