WO1993007331A1 - Improved deinking method using ink agglomeration - Google Patents
Improved deinking method using ink agglomeration Download PDFInfo
- Publication number
- WO1993007331A1 WO1993007331A1 PCT/US1992/008661 US9208661W WO9307331A1 WO 1993007331 A1 WO1993007331 A1 WO 1993007331A1 US 9208661 W US9208661 W US 9208661W WO 9307331 A1 WO9307331 A1 WO 9307331A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ink
- agglomeration
- pulp medium
- produce
- pulp
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 99
- 239000002761 deinking Substances 0.000 title claims abstract description 92
- 238000005054 agglomeration Methods 0.000 title claims abstract description 86
- 230000002776 aggregation Effects 0.000 title claims abstract description 86
- 239000002245 particle Substances 0.000 claims abstract description 107
- 239000002609 medium Substances 0.000 claims abstract description 83
- 239000000126 substance Substances 0.000 claims abstract description 52
- 239000010893 paper waste Substances 0.000 claims abstract description 24
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 239000012736 aqueous medium Substances 0.000 claims abstract description 9
- 239000000356 contaminant Substances 0.000 claims description 22
- 238000004140 cleaning Methods 0.000 claims description 18
- 238000012216 screening Methods 0.000 claims description 17
- 230000003134 recirculating effect Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 101100117236 Drosophila melanogaster speck gene Proteins 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000002023 wood Substances 0.000 claims description 6
- 238000004061 bleaching Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000008569 process Effects 0.000 abstract description 44
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000835 fiber Substances 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 230000003749 cleanliness Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 4
- 238000005188 flotation Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- -1 staples Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 230000008570 general process Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000009300 dissolved air flotation Methods 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 229920006328 Styrofoam Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000010797 grey water Substances 0.000 description 1
- 239000012943 hotmelt Substances 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
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008261 styrofoam Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000001993 wax 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2488—Feed or discharge mechanisms for settling tanks bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
- B01D21/267—Separation of sediment aided by centrifugal force or centripetal force by using a cyclone
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU27946/92A AU656632C (en) | 1991-10-03 | 1992-10-02 | Deinking paper |
JP50722393A JP3217363B2 (en) | 1991-10-03 | 1992-10-02 | Improved deinking method using ink aggregation |
EP19920922477 EP0606398B1 (en) | 1991-10-03 | 1992-10-02 | Improved deinking method using ink agglomeration |
BR9206575A BR9206575A (en) | 1991-10-03 | 1992-10-02 | Improved ink removal method using ink agglomeration |
DE1992629603 DE69229603T2 (en) | 1991-10-03 | 1992-10-02 | IMPROVED DECOLORATION PROCESS BY INK AGGLOMERATION |
FI941353A FI108798B (en) | 1991-10-03 | 1994-03-23 | Improved decolorization method, which uses agglomeration of printing ink |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US771,370 | 1991-10-03 | ||
US07/771,370 US5234543A (en) | 1991-10-03 | 1991-10-03 | Deinking method using ink agglomeration |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1993007331A1 true WO1993007331A1 (en) | 1993-04-15 |
Family
ID=25091588
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1992/008661 WO1993007331A1 (en) | 1991-10-03 | 1992-10-02 | Improved deinking method using ink agglomeration |
Country Status (11)
Country | Link |
---|---|
US (1) | US5234543A (en) |
EP (1) | EP0606398B1 (en) |
JP (1) | JP3217363B2 (en) |
AT (1) | ATE182192T1 (en) |
BR (1) | BR9206575A (en) |
CA (1) | CA2119748C (en) |
DE (1) | DE69229603T2 (en) |
FI (1) | FI108798B (en) |
MX (1) | MX9205687A (en) |
NZ (1) | NZ244621A (en) |
WO (1) | WO1993007331A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0712452A1 (en) * | 1993-08-02 | 1996-05-22 | International Paper Company | Improved deinking method using ink agglomeration |
US5575893A (en) * | 1994-02-02 | 1996-11-19 | Betzdearborn Inc. | Felt conditioner for deinked recycled newsprint papermaking system |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9211582D0 (en) * | 1992-06-02 | 1992-07-15 | Ici Canada | Waste paper treatment process |
US5453159A (en) * | 1993-11-04 | 1995-09-26 | International Paper Company | Deinking of recycled pulp |
US5540814A (en) * | 1995-01-24 | 1996-07-30 | Nord Kaolin Company | Method for removing stickies from wastepaper using modified cationic kaolin |
US5865947A (en) * | 1995-05-18 | 1999-02-02 | International Paper Company | Method for recycling mixed wastepaper including plastic-containing paper and ink printed paper |
US5714040A (en) * | 1996-02-14 | 1998-02-03 | Pellerin Milnor Corporation | Method for recovering fiber from printed wastepaper |
US7063770B2 (en) * | 2000-02-04 | 2006-06-20 | Georgia-Pacific Corporation | Method of removing high density stickies from secondary papermaking fibers |
US6416622B2 (en) * | 2000-02-04 | 2002-07-09 | Georgia-Pacific Corporation | Hybrid multistage forward cleaner system with flotation cell |
US7534322B2 (en) * | 2004-09-29 | 2009-05-19 | International Paper Company | Method of deinking recycled paper employing centrifigal cleaners |
JP6086287B2 (en) * | 2012-08-29 | 2017-03-01 | 株式会社リコー | Manufacturing method of recording material |
US9333538B1 (en) | 2015-02-26 | 2016-05-10 | American Biocarbon, LLC | Technologies for material separation |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2916412A (en) * | 1953-11-17 | 1959-12-08 | Butler Co | Method of deinking waste paper |
US3846227A (en) * | 1972-11-01 | 1974-11-05 | Gaf Corp | Deinking of waste paper with an aqueous solution containing an n-alkyllactam solvent |
US4360402A (en) * | 1979-03-27 | 1982-11-23 | J. M. Voith Gmbh | Process and apparatus for preparing waste paper for reuse |
US4919754A (en) * | 1984-05-10 | 1990-04-24 | Albright & Wilson Limited | Composition wherein recycled cellulosic pulp is deinked |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3635788A (en) * | 1971-01-22 | 1972-01-18 | Harry J Braun | Deinking and removal of certain contaminants from reclaimed paper stock-heavying |
US4820379A (en) * | 1986-10-16 | 1989-04-11 | Ppg Industries, Inc. | Method for deinking wastepaper with a halogenated polyethylene oxide and a polymeric material |
-
1991
- 1991-10-03 US US07/771,370 patent/US5234543A/en not_active Expired - Lifetime
-
1992
- 1992-10-02 BR BR9206575A patent/BR9206575A/en not_active IP Right Cessation
- 1992-10-02 CA CA 2119748 patent/CA2119748C/en not_active Expired - Fee Related
- 1992-10-02 WO PCT/US1992/008661 patent/WO1993007331A1/en active IP Right Grant
- 1992-10-02 DE DE1992629603 patent/DE69229603T2/en not_active Expired - Fee Related
- 1992-10-02 JP JP50722393A patent/JP3217363B2/en not_active Expired - Fee Related
- 1992-10-02 EP EP19920922477 patent/EP0606398B1/en not_active Expired - Lifetime
- 1992-10-02 AT AT92922477T patent/ATE182192T1/en active
- 1992-10-05 MX MX9205687A patent/MX9205687A/en unknown
- 1992-10-05 NZ NZ244621A patent/NZ244621A/en unknown
-
1994
- 1994-03-23 FI FI941353A patent/FI108798B/en active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2916412A (en) * | 1953-11-17 | 1959-12-08 | Butler Co | Method of deinking waste paper |
US3846227A (en) * | 1972-11-01 | 1974-11-05 | Gaf Corp | Deinking of waste paper with an aqueous solution containing an n-alkyllactam solvent |
US4360402A (en) * | 1979-03-27 | 1982-11-23 | J. M. Voith Gmbh | Process and apparatus for preparing waste paper for reuse |
US4919754A (en) * | 1984-05-10 | 1990-04-24 | Albright & Wilson Limited | Composition wherein recycled cellulosic pulp is deinked |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0712452A1 (en) * | 1993-08-02 | 1996-05-22 | International Paper Company | Improved deinking method using ink agglomeration |
EP0712452A4 (en) * | 1993-08-02 | 1999-04-21 | Int Paper Co | Improved deinking method using ink agglomeration |
US5575893A (en) * | 1994-02-02 | 1996-11-19 | Betzdearborn Inc. | Felt conditioner for deinked recycled newsprint papermaking system |
Also Published As
Publication number | Publication date |
---|---|
DE69229603T2 (en) | 2000-03-09 |
US5234543A (en) | 1993-08-10 |
JP3217363B2 (en) | 2001-10-09 |
JPH07502573A (en) | 1995-03-16 |
CA2119748A1 (en) | 1993-04-15 |
EP0606398A4 (en) | 1997-06-18 |
FI941353A0 (en) | 1994-03-23 |
EP0606398A1 (en) | 1994-07-20 |
FI108798B (en) | 2002-03-28 |
FI941353A (en) | 1994-05-23 |
EP0606398B1 (en) | 1999-07-14 |
NZ244621A (en) | 1995-02-24 |
CA2119748C (en) | 1998-06-23 |
MX9205687A (en) | 1993-07-01 |
DE69229603D1 (en) | 1999-08-19 |
BR9206575A (en) | 1995-04-25 |
AU2794692A (en) | 1993-05-03 |
AU656632B2 (en) | 1995-02-09 |
ATE182192T1 (en) | 1999-07-15 |
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