GR3029720T3 - Recycling waste cellulosic material. - Google Patents

Recycling waste cellulosic material.

Info

Publication number: GR3029720T3
Authority: GR; Greece
Prior art keywords: pulp; brownstock; digester; feeding; dewatering
Prior art date: 1991-03-01

Application number

GR990400801T

Other languages

English (en)

Inventor

Xuan Truong Nguyen

Original Assignee

Domtar 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.)

1991-03-01

Filing date

1999-03-18

Publication date

1999-06-30

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24661630&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GR3029720(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1999-03-18 Application filed by Domtar Inc filed Critical Domtar Inc

1999-06-30 Publication of GR3029720T3 publication Critical patent/GR3029720T3/el

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
- 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
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
- 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

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Wood Science & Technology (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Apparatus Associated With Microorganisms And Enzymes (AREA)
Micro-Organisms Or Cultivation Processes Thereof (AREA)
External Artificial Organs (AREA)
Prostheses (AREA)
Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Luminescent Compositions (AREA)
Wrappers (AREA)

GR990400801T 1991-03-01 1999-03-18 Recycling waste cellulosic material. GR3029720T3 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07663397 US5147503B1 (en)	1991-03-01	1991-03-01	Recycling waste cellulosic material with sodium sulphide digestion
EP19920905501 EP0573497B1 (en)	1991-03-01	1992-02-28	Recycling waste cellulosic material

Publications (1)

Publication Number	Publication Date
GR3029720T3 true GR3029720T3 (en)	1999-06-30

Family

ID=24661630

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GR960401255T GR3019876T3 (en)	1991-03-01	1996-05-10	Recycling waste cellulosic material
GR990400801T GR3029720T3 (en)	1991-03-01	1999-03-18	Recycling waste cellulosic material.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GR960401255T GR3019876T3 (en)	1991-03-01	1996-05-10	Recycling waste cellulosic material

Country Status (13)

Country	Link
US (1)	US5147503B1 (el)
EP (2)	EP0573497B1 (el)
JP (1)	JPH06505061A (el)
AT (2)	ATE174979T1 (el)
AU (1)	AU653587B2 (el)
CA (1)	CA2104962C (el)
DE (2)	DE69208353T2 (el)
DK (2)	DK0633351T3 (el)
ES (2)	ES2126034T3 (el)
FI (1)	FI933779L (el)
GR (2)	GR3019876T3 (el)
NO (1)	NO300928B1 (el)
WO (1)	WO1992015751A1 (el)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NZ247276A (en) *	1992-04-06	1994-12-22	Westvaco Corp	Production of papermaking fibre of low lignin content from recycled high lignin waste paper; mixtures with fresh pulp and products produced therefrom
JPH07505926A (ja) *	1992-04-23	1995-06-29	ドムター　インコーポレーテッド	上質パルプ及び白い紙製品
SE501309C2 (sv) *	1993-05-28	1995-01-09	Klippans Finpappersbruk Ab	Massaframställning genom uppslutning av en blandning av cellulosabaserat returmaterial och råträ
US6074527A (en)	1994-06-29	2000-06-13	Kimberly-Clark Worldwide, Inc.	Production of soft paper products from coarse cellulosic fibers
US6001218A (en)	1994-06-29	1999-12-14	Kimberly-Clark Worldwide, Inc.	Production of soft paper products from old newspaper
US5582681A (en)	1994-06-29	1996-12-10	Kimberly-Clark Corporation	Production of soft paper products from old newspaper
US5503709A (en) *	1994-07-27	1996-04-02	Burton; Steven W.	Environmentally improved process for preparing recycled lignocellulosic materials for bleaching
US5882476A (en) *	1995-05-05	1999-03-16	Solvay Minerals, Inc.	Deinking printed wastepaper using alkaline solution containing sodium sulfite and sodium carbonate
WO1997032077A1 (en) *	1996-02-27	1997-09-04	Tetra Laval Holding & Finance S.A.	Process for sanitizing post-consumer paper fibers and product formed therefrom
US6296736B1 (en)	1997-10-30	2001-10-02	Kimberly-Clark Worldwide, Inc.	Process for modifying pulp from recycled newspapers
US6017415A (en) *	1997-09-05	2000-01-25	International Paper Company	Method for co-pulping waste cellulosic material and wood chips
DE19827188C1 (de) *	1998-06-18	2000-02-24	Voith Sulzer Stoffaufbereitung	Verfahren zur Aufbereitung von holzstoffhaltigem Altpapier
US6387210B1 (en)	1998-09-30	2002-05-14	Kimberly-Clark Worldwide, Inc.	Method of making sanitary paper product from coarse fibers
US20040065419A1 (en) *	2002-10-04	2004-04-08	Vicente Lasmarias	Removal of contaminants from recycled paper fibers
US7722760B2 (en) *	2006-11-22	2010-05-25	Griesbach Corporation	Assembly for removing mineral contaminants
EP2025807A1 (en) *	2007-07-25	2009-02-18	Rinheat OY	Method to recover chemicals in mechanical pulping
US9856606B2 (en) *	2011-12-12	2018-01-02	Enzymatic Deinking Technologies, L.L.C.	Enzymatic pre-treatment of market pulp to improve fiber drainage and physical properties
FI129086B (en) *	2012-09-14	2021-06-30	Teknologian Tutkimuskeskus Vtt Oy	Method for producing soluble pulp
US20150336022A1 (en) *	2014-05-21	2015-11-26	Georgia-Pacific LLC	Integrated recycling system and methods for use of sludge
JP2023509978A (ja) *	2020-01-09	2023-03-10	ウエストロック・エム・ダブリュー・ヴイ・エルエルシー	再生紙を含む原料から漂白パルプを製造するための方法
WO2022178391A1 (en) *	2021-02-22	2022-08-25	Westrock Mwv, Llc	Method for manufacturing bleached pulp, feedstock, and packaging system
US20230405651A1 (en) *	2022-06-21	2023-12-21	Paul W Alford	System and method for processing of mixed solid waste to recover recyclable materials

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3440134A (en) *	1965-10-15	1969-04-22	M T Reed Construction Co	Method for treating corrugated waste-paper and product produced thereby
US3425897A (en) *	1965-11-22	1969-02-04	Thomas L Murphy Jr	Process for defibering wet strength paper by multiple alkaline cooks
US3884750A (en) *	1972-09-25	1975-05-20	Little Inc A	Method of recovering separate fiber fractions from corrugated board
NL7408641A (en) *	1974-06-27	1975-12-30	Maygron B V	Cellulose prepn with low lignin content - by removing lignin from waste paper or cardboard with high lignin content
CA1110411A (en) *	1978-05-15	1981-10-13	Mcdonald Moore	Recycling by repulping wax and resin impregnated paperboards in black liquor
US4411737A (en) *	1979-12-13	1983-10-25	Owens-Illinois, Inc.	Pulp treating process
US4385997A (en) *	1980-01-21	1983-05-31	Reed Ltd.	Method and apparatus for preconditioning laminated paper for recycling
JPS57167475A (en) *	1981-04-02	1982-10-15	Mitsubishi Paper Mills Ltd	Production of bleached pulp from unbleached used paper
JPS57171785A (en) *	1981-04-17	1982-10-22	Mitsubishi Paper Mills Ltd	Production of bleached pulp from unbleached used paper
SE448889B (sv) *	1985-11-06	1987-03-23	Sunds Defibrator	Sett for behandling av returpapper
NO882815L (no) *	1988-06-24	1989-12-27	Sigurd Fongen	Fremgangsmaate for fremstilling av cellulosemasse, samt delignifisering, bleking, de-inking og vasking av cellulosefibre og anordning for utfoerelse av fremgangsmaaten.

1991
- 1991-03-01 US US07663397 patent/US5147503B1/en not_active Expired - Lifetime
1992
- 1992-02-28 CA CA 2104962 patent/CA2104962C/en not_active Expired - Fee Related
- 1992-02-28 WO PCT/CA1992/000088 patent/WO1992015751A1/en not_active Ceased
- 1992-02-28 DK DK94114361T patent/DK0633351T3/da active
- 1992-02-28 FI FI933779A patent/FI933779L/fi unknown
- 1992-02-28 DE DE69208353T patent/DE69208353T2/de not_active Expired - Fee Related
- 1992-02-28 EP EP19920905501 patent/EP0573497B1/en not_active Expired - Lifetime
- 1992-02-28 DE DE69228004T patent/DE69228004T2/de not_active Expired - Fee Related
- 1992-02-28 AT AT94114361T patent/ATE174979T1/de not_active IP Right Cessation
- 1992-02-28 AT AT92905501T patent/ATE134230T1/de not_active IP Right Cessation
- 1992-02-28 JP JP4504824A patent/JPH06505061A/ja active Pending
- 1992-02-28 DK DK92905501T patent/DK0573497T3/da active
- 1992-02-28 AU AU13234/92A patent/AU653587B2/en not_active Ceased
- 1992-02-28 EP EP19940114361 patent/EP0633351B1/en not_active Expired - Lifetime
- 1992-02-28 ES ES94114361T patent/ES2126034T3/es not_active Expired - Lifetime
- 1992-02-28 ES ES92905501T patent/ES2086118T3/es not_active Expired - Lifetime
1993
- 1993-08-31 NO NO933094A patent/NO300928B1/no not_active IP Right Cessation
1996
- 1996-05-10 GR GR960401255T patent/GR3019876T3/el unknown
1999
- 1999-03-18 GR GR990400801T patent/GR3029720T3/el unknown

Also Published As

Publication number	Publication date
FI933779A7 (fi)	1993-08-27
DE69228004T2 (de)	1999-05-12
DE69208353T2 (de)	1996-06-27
HK1006866A1 (en)	1999-03-19
DK0573497T3 (da)	1996-06-17
EP0633351A1 (en)	1995-01-11
US5147503A (en)	1992-09-15
EP0573497A1 (en)	1993-12-15
EP0633351B1 (en)	1998-12-23
DK0633351T3 (da)	1999-08-23
FI933779A0 (fi)	1993-08-27
NO933094L (no)	1993-08-31
ATE174979T1 (de)	1999-01-15
DE69208353D1 (de)	1996-03-28
CA2104962A1 (en)	1992-09-02
ES2086118T3 (es)	1996-06-16
DE69228004D1 (de)	1999-02-04
CA2104962C (en)	2002-07-30
NO300928B1 (no)	1997-08-18
ES2126034T3 (es)	1999-03-16
ATE134230T1 (de)	1996-02-15
EP0573497B1 (en)	1996-02-14
GR3019876T3 (en)	1996-08-31
US5147503B1 (en)	1997-10-21
WO1992015751A1 (en)	1992-09-17
AU653587B2 (en)	1994-10-06
NO933094D0 (no)	1993-08-31
HK1013432A1 (en)	1999-08-27
FI933779L (fi)	1993-08-27
JPH06505061A (ja)	1994-06-09
AU1323492A (en)	1992-10-06

Publication	Publication Date	Title
US5147503B1 (en)	1997-10-21	Recycling waste cellulosic material with sodium sulphide digestion
US4806203A (en)	1989-02-21	Method for alkaline delignification of lignocellulosic fibrous material at a consistency which is raised during reaction
US5503709A (en)	1996-04-02	Environmentally improved process for preparing recycled lignocellulosic materials for bleaching
CA1222603A (en)	1987-06-09	Polution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor
EP0275256B1 (en)	1990-09-05	Method of processing waste paper
EP0652991B1 (en)	1996-08-14	Zero discharge pulp mill
NO902850D0 (no)	1990-06-27	Fremgangsmaate og apparat for kontinuerlig koking av celluloseholdig fibermateriale.
EP0211945A4 (en)	1987-07-06	METHOD AND DEVICE FOR ALKALINE DELIGNIFICATION OF LIGNOCELLULOSE FIBER MATERIAL.
SE9403786D0 (sv)	1994-11-04	Förfarande för utvinning av kemikalier och energi från cellulosaavlut
Myreen	1994	Pulp and paper manufacture in transition
SE9400016L (sv)	1995-07-05	Återvinningsprocess för blekning av pappersmassa
CA2108202C (en)	1997-07-01	Reducing pulp mill liquid discharge
Kleppe	1996	Emerging delignification technology
Mannbro	1990	Closed-cycle recovery and combustion of bleachery filtrate: Part 2. Heat balance and chemical process modifications
studv No	1991	CONFERENCE ON ECOLOGICALLY S USTAl NAB LE
HK1006866B (en)	1999-03-19	Recycling waste cellulosic material