DE3472986D1 - Nonsulfur chemimechanical pulping process - Google Patents

Nonsulfur chemimechanical pulping process

Info

Publication number
DE3472986D1
DE3472986D1 DE8484114158T DE3472986T DE3472986D1 DE 3472986 D1 DE3472986 D1 DE 3472986D1 DE 8484114158 T DE8484114158 T DE 8484114158T DE 3472986 T DE3472986 T DE 3472986T DE 3472986 D1 DE3472986 D1 DE 3472986D1
Authority
DE
Germany
Prior art keywords
nonsulfur
pulping process
chemimechanical pulping
chemimechanical
pulping
Prior art date
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
Application number
DE8484114158T
Other languages
English (en)
Inventor
John Gordy
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.)
New Fibers International
Original Assignee
New Fibers International
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.)
Filing date
Publication date
Application filed by New Fibers International filed Critical New Fibers International
Application granted granted Critical
Publication of DE3472986D1 publication Critical patent/DE3472986D1/de
Expired legal-status Critical Current

Links

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/003—Pulping cellulose-containing materials with organic compounds
DE8484114158T 1983-11-25 1984-11-23 Nonsulfur chemimechanical pulping process Expired DE3472986D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/554,909 US4548675A (en) 1983-05-16 1983-11-25 Nonsulfur chemimechanical pulping process

Publications (1)

Publication Number Publication Date
DE3472986D1 true DE3472986D1 (en) 1988-09-01

Family

ID=24215211

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198484114158T Pending DE149753T1 (de) 1983-11-25 1984-11-23 Schwefelfreies chemisch-mechanisches aufschlussverfahren.
DE8484114158T Expired DE3472986D1 (en) 1983-11-25 1984-11-23 Nonsulfur chemimechanical pulping process

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE198484114158T Pending DE149753T1 (de) 1983-11-25 1984-11-23 Schwefelfreies chemisch-mechanisches aufschlussverfahren.

Country Status (6)

Country Link
US (1) US4548675A (de)
EP (1) EP0149753B1 (de)
DE (2) DE149753T1 (de)
DK (1) DK161108C (de)
FI (1) FI78516C (de)
NO (1) NO165731C (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5665798A (en) * 1995-12-27 1997-09-09 North Pacific Paper Corporation Composite wood products from solvent extracted wood raw materials
US5698667A (en) * 1995-12-27 1997-12-16 Weyerhaeuser Company Pretreatment of wood particulates for removal of wood extractives
US20020062935A1 (en) * 1995-12-27 2002-05-30 Weyerhaeuser Company Paper and absorbent products with reduced pitch content
US6364999B1 (en) 1995-12-27 2002-04-02 Weyerhaeuser Company Process for producing a wood pulp having reduced pitch content and process and reduced VOC-emissions
AT403703B (de) * 1996-06-25 1998-05-25 Ildiko Dipl Ing Dr Tanczos Verfahren zur herstellung von zellstoff/cellulose
DE19916347C1 (de) * 1999-04-12 2000-11-09 Rhodia Acetow Ag Verfahren zum Auftrennen lignocellulosehaltiger Biomasse
FI111401B (fi) * 2000-01-28 2003-07-15 M Real Oyj Menetelmä kalanteroidun paperiradan valmistamiseksi sekä kalanteroitu paperituote
US20020022170A1 (en) * 2000-08-18 2002-02-21 Franklin Jerrold E. Integrated and modular BSP/MEA/manifold plates for fuel cells
WO2002019451A2 (en) * 2000-08-18 2002-03-07 Franklin Jerrold E Integrated and modular bsp/mea/manifold plates and compliant contacts for fuel cells
DE10049340C1 (de) * 2000-10-05 2002-04-25 Rhodia Acetow Gmbh Verfahren zur Herstellung von Holocellulose durch Delignifizieren von lignocellulosehaltiger Biomasse
US6811879B2 (en) * 2002-08-30 2004-11-02 Weyerhaeuser Company Flowable and meterable densified fiber flake
US6837452B2 (en) 2002-08-30 2005-01-04 Weyerhaeuser Company Flowable and meterable densified fiber flake
US7670707B2 (en) * 2003-07-30 2010-03-02 Altergy Systems, Inc. Electrical contacts for fuel cells
FI20051145A0 (fi) * 2005-11-11 2005-11-11 Kemira Oyj Uusi massa ja menetelmä massan valmistamiseksi
US7771565B2 (en) * 2006-02-21 2010-08-10 Packaging Corporation Of America Method of pre-treating woodchips prior to mechanical pulping
CA2687581C (en) * 2007-05-23 2015-04-21 Alberta Research Council Inc. Method to remove hemicellulose from cellulosic fibres using a solution of ammonia and hydrogen peroxide
DE102009017051A1 (de) 2009-04-09 2010-10-21 Zylum Beteiligungsgesellschaft Mbh & Co. Patente Ii Kg Verfahren zur Gewinnung von Zellstoff aus Lignocellulose-haltiger Biomasse

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2192202A (en) * 1936-10-23 1940-03-05 Floyd C Peterson Pulping process
FR817852A (fr) * 1937-02-15 1937-09-13 Procédé pour fabriquer la cellulose alpha
US4397712A (en) * 1975-02-12 1983-08-09 New Fibers International Semi-chemical pulping process
CA1095663A (en) * 1975-02-12 1981-02-17 John Gordy Pulping process

Also Published As

Publication number Publication date
DK161108B (da) 1991-05-27
FI78516B (fi) 1989-04-28
DE149753T1 (de) 1985-12-19
DK555384D0 (da) 1984-11-22
NO844631L (no) 1985-05-28
FI844556A0 (fi) 1984-11-20
FI78516C (fi) 1989-08-10
FI844556L (fi) 1985-05-26
DK555384A (da) 1985-05-26
NO165731C (no) 1991-03-27
US4548675A (en) 1985-10-22
EP0149753A1 (de) 1985-07-31
EP0149753B1 (de) 1988-07-27
DK161108C (da) 1991-11-18
NO165731B (no) 1990-12-17

Similar Documents

Publication Publication Date Title
DE3473572D1 (en) Sorting machine
DE3480530D1 (en) Sorting machine
GB8331793D0 (en) Process
AU2345888A (en) Flotation machine
AU575102B2 (en) Repeating flotation machine
DE3472986D1 (en) Nonsulfur chemimechanical pulping process
GB2204569B (en) Parts sorter
GB8429408D0 (en) Process
GB2160443B (en) Disintegrator
AU571281B2 (en) Flotation machine
GB2166368B (en) Disintegrator
GB8329313D0 (en) Screening machine
GB8407438D0 (en) Pulping process
AU3093584A (en) Screening machine
AU91040S (en) Sorter
GB8320222D0 (en) Process ii
AU91975S (en) Sorter
EP0318766A3 (en) Sorter
GB8308083D0 (en) Pulping process
GB8630563D0 (en) Produce sorter
ZA897595B (en) Flotation process
AU545585B2 (en) Pulping process
KR850002636Y1 (en) Disintegrator
AU2372888A (en) Fruit grading machine
GB8725451D0 (en) Lignin

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee