CA2168578A1 - Improved deinking method using ink agglomeration - Google Patents

Improved deinking method using ink agglomeration

Info

Publication number: CA2168578A1
Authority: CA; Canada
Prior art keywords: ink; pulp medium; medium; pulp; deinking
Prior art date: 1993-08-02
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

CA 2168578

Other languages

English (en)

French (fr)

Inventor

Narendra R. Srivatsa

Larry D. Markham

Richard R. Wesolowski

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.)

International Paper Co

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.)

1993-08-02

Filing date

1994-08-02

Publication date

1995-02-09

1994-08-02 Application filed by Individual filed Critical Individual

1995-02-09 Publication of CA2168578A1 publication Critical patent/CA2168578A1/en

Status Abandoned legal-status Critical Current

Links

239000002761 deinking Substances 0.000 title claims abstract description 141
238000000034 method Methods 0.000 title claims abstract description 133
238000005054 agglomeration Methods 0.000 title claims abstract description 100
230000002776 aggregation Effects 0.000 title claims abstract description 100
239000002609 medium Substances 0.000 claims abstract description 108
239000000126 substance Substances 0.000 claims abstract description 105
239000002245 particle Substances 0.000 claims abstract description 78
238000000926 separation method Methods 0.000 claims abstract description 18
239000010893 paper waste Substances 0.000 claims abstract description 13
239000012736 aqueous medium Substances 0.000 claims abstract description 12
239000003795 chemical substances by application Substances 0.000 claims description 32
239000000203 mixture Substances 0.000 claims description 24
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 15
239000002736 nonionic surfactant Substances 0.000 claims description 15
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 14
239000000356 contaminant Substances 0.000 claims description 14
238000012216 screening Methods 0.000 claims description 14
239000000835 fiber Substances 0.000 claims description 13
238000004519 manufacturing process Methods 0.000 claims description 12
-1 oxyethylene-oxypropylene Chemical group 0.000 claims description 12
238000004140 cleaning Methods 0.000 claims description 11
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
239000007788 liquid Substances 0.000 claims description 10
101100117236 Drosophila melanogaster speck gene Proteins 0.000 claims description 7
235000014113 dietary fatty acids Nutrition 0.000 claims description 6
239000000194 fatty acid Substances 0.000 claims description 6
229930195729 fatty acid Natural products 0.000 claims description 6
230000003134 recirculating effect Effects 0.000 claims description 6
239000002023 wood Substances 0.000 claims description 6
239000004094 surface-active agent Substances 0.000 claims description 5
238000009736 wetting Methods 0.000 claims description 4
239000002202 Polyethylene glycol Chemical class 0.000 claims description 3
229920001214 Polysorbate 60 Polymers 0.000 claims description 3
229920001131 Pulp (paper) Polymers 0.000 claims description 3
229920001400 block copolymer Polymers 0.000 claims description 3
150000005690 diesters Chemical class 0.000 claims description 3
150000002334 glycols Chemical class 0.000 claims description 3
229920001223 polyethylene glycol Chemical class 0.000 claims description 3
239000000080 wetting agent Substances 0.000 claims description 2
239000000463 material Substances 0.000 claims 1
230000008569 process Effects 0.000 abstract description 68
230000009471 action Effects 0.000 abstract description 19
239000000976 ink Substances 0.000 description 117
230000008901 benefit Effects 0.000 description 6
239000013543 active substance Substances 0.000 description 5
238000005259 measurement Methods 0.000 description 5
238000010977 unit operation Methods 0.000 description 5
238000005188 flotation Methods 0.000 description 4
230000009477 glass transition Effects 0.000 description 4
238000005406 washing Methods 0.000 description 4
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
239000003513 alkali Substances 0.000 description 3
230000003749 cleanliness Effects 0.000 description 3
230000000694 effects Effects 0.000 description 3
125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 3
230000008570 general process Effects 0.000 description 3
239000011521 glass Substances 0.000 description 3
239000004033 plastic Substances 0.000 description 3
229920003023 plastic Polymers 0.000 description 3
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
125000003158 alcohol group Chemical group 0.000 description 2
238000004061 bleaching Methods 0.000 description 2
230000015556 catabolic process Effects 0.000 description 2
238000010790 dilution Methods 0.000 description 2
239000012895 dilution Substances 0.000 description 2
238000002474 experimental method Methods 0.000 description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
238000004806 packaging method and process Methods 0.000 description 2
238000007639 printing Methods 0.000 description 2
238000004537 pulping Methods 0.000 description 2
230000009467 reduction Effects 0.000 description 2
239000002699 waste material Substances 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
239000000853 adhesive Substances 0.000 description 1
230000001070 adhesive effect Effects 0.000 description 1
238000013019 agitation Methods 0.000 description 1
239000007844 bleaching agent Substances 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
230000008859 change Effects 0.000 description 1
239000013043 chemical agent Substances 0.000 description 1
230000001112 coagulating effect Effects 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
239000002131 composite material Substances 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000013461 design Methods 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000001125 extrusion Methods 0.000 description 1
230000006870 function Effects 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
230000006872 improvement Effects 0.000 description 1
238000007641 inkjet printing Methods 0.000 description 1
238000010169 landfilling Methods 0.000 description 1
238000007648 laser printing Methods 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
238000010979 pH adjustment Methods 0.000 description 1
239000003209 petroleum derivative Substances 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000005086 pumping Methods 0.000 description 1
150000003333 secondary alcohols Chemical class 0.000 description 1
238000004062 sedimentation Methods 0.000 description 1
238000004513 sizing Methods 0.000 description 1
239000002002 slurry Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
239000000725 suspension Substances 0.000 description 1
150000003509 tertiary alcohols Chemical class 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
- 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 2168578 1993-08-02 1994-08-02 Improved deinking method using ink agglomeration Abandoned CA2168578A1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US10088693A	1993-08-02	1993-08-02
US08/100,886		1993-08-02

Publications (1)

Publication Number	Publication Date
CA2168578A1 true CA2168578A1 (en)	1995-02-09

Family

ID=22282034

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2168578 Abandoned CA2168578A1 (en)	1993-08-02	1994-08-02	Improved deinking method using ink agglomeration

Country Status (4)

Country	Link
EP (1)	EP0712452A4 (de)
AU (1)	AU7479994A (de)
CA (1)	CA2168578A1 (de)
WO (1)	WO1995004187A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN113060944A (zh) *	2021-03-25	2021-07-02	肥西常福中空玻璃厂	一种玻璃脱墨设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4561933A (en) *	1983-10-17	1985-12-31	Shell Oil Company	Xerographics deinking
US4820379A (en) *	1986-10-16	1989-04-11	Ppg Industries, Inc.	Method for deinking wastepaper with a halogenated polyethylene oxide and a polymeric material
US4895622A (en) *	1988-11-09	1990-01-23	Betz Laboratories, Inc.	Press felt conditioner for neutral and alkaline papermaking systems
NZ242280A (en) *	1991-04-25	1994-02-25	Betz Int	De-inking electrostatically printed paper using a surfactant in an aqueous
US5234543A (en) *	1991-10-03	1993-08-10	International Paper Company	Deinking method using ink agglomeration

1994
- 1994-08-02 WO PCT/US1994/008774 patent/WO1995004187A1/en not_active Ceased
- 1994-08-02 CA CA 2168578 patent/CA2168578A1/en not_active Abandoned
- 1994-08-02 EP EP94924565A patent/EP0712452A4/de not_active Withdrawn
- 1994-08-02 AU AU74799/94A patent/AU7479994A/en not_active Abandoned

Also Published As

Publication number	Publication date
EP0712452A4 (de)	1999-04-21
WO1995004187A1 (en)	1995-02-09
AU7479994A (en)	1995-02-28
EP0712452A1 (de)	1996-05-22

Legal Events

Date	Code	Title	Description
2000-08-02	FZDE	Dead

Publication	Publication Date	Title
US4561933A (en)	1985-12-31	Xerographics deinking
US5259969A (en)	1993-11-09	Deinking of impact and non-impact printed paper
US4586982A (en)	1986-05-06	Process for the de-inking of printed waste paper
US5807464A (en)	1998-09-15	Enzymatic deinking process for office wastepaper with selected noninic surfactants
US5718801A (en)	1998-02-17	Method for controlling froth and reducing stickies in the flotation process for deinking waste paper using a froth moderating agent
AU674046B2 (en)	1996-12-05	Deinking of printed paper by agglomeration process
AU700504B2 (en)	1999-01-07	Method for recycling mixed wastepaper using ink agglomeration
JP2761608B2 (ja)	1998-06-04	廃紙材料のインク抜き方法
EP0606398B1 (de)	1999-07-14	Verbessertes entfärbungsverfahren durch tinte-agglomeration
US5837098A (en)	1998-11-17	Method for deinking electrostatic printed wastepaper using a combination of nonionic surfactants
EP0644964B1 (de)	1999-05-26	Verfahren zur behandlung von altpapier und wiedergewonnenes papier
US5258099A (en)	1993-11-02	Office wastepaper deinking process using fatty alcohols
WO1996008598A1 (en)	1996-03-21	Deinking composition and method for deinking waste paper
EP0712452A1 (de)	1996-05-22	Verbessertes deinking-verfahren durch tinten-agllomeration
Borchardt et al.	1998	Office paper de-inking
US5500082A (en)	1996-03-19	Deinking of xerographic printed wastepaper using long chain alcohol
US5885413A (en)	1999-03-23	Deinking wastepaper containing electrostatic printed ink using branched alcohol alkoxylate surfactant
AU656632C (en)	1996-02-22	Deinking paper
Scott et al.	1994	Semiannual Patents Review January—June 1994
Jain et al.	2007	Enzymatic Deinking of Mixed Office Waste Paper: An Overview
CA2099755A1 (en)	1994-01-07	Deinking process