DK161108C - Fremgangsmaade til svovlfri kemisk-mekanisk pulpning af traemateriale og anvendelse af pulpen til fremstilling af boelgepap - Google Patents

Fremgangsmaade til svovlfri kemisk-mekanisk pulpning af traemateriale og anvendelse af pulpen til fremstilling af boelgepap

Info

Publication number
DK161108C
DK161108C DK555384A DK555384A DK161108C DK 161108 C DK161108 C DK 161108C DK 555384 A DK555384 A DK 555384A DK 555384 A DK555384 A DK 555384A DK 161108 C DK161108 C DK 161108C
Authority
DK
Denmark
Prior art keywords
pulp
sulfur
procedure
preparation
treatment materials
Prior art date
Application number
DK555384A
Other languages
English (en)
Other versions
DK161108B (da
DK555384D0 (da
DK555384A (da
Inventor
John Gordy
Original Assignee
New Fibers Int
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 Int filed Critical New Fibers Int
Publication of DK555384D0 publication Critical patent/DK555384D0/da
Publication of DK555384A publication Critical patent/DK555384A/da
Publication of DK161108B publication Critical patent/DK161108B/da
Application granted granted Critical
Publication of DK161108C publication Critical patent/DK161108C/da

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
DK555384A 1983-11-25 1984-11-22 Fremgangsmaade til svovlfri kemisk-mekanisk pulpning af traemateriale og anvendelse af pulpen til fremstilling af boelgepap DK161108C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/554,909 US4548675A (en) 1983-05-16 1983-11-25 Nonsulfur chemimechanical pulping process
US55490983 1983-11-25

Publications (4)

Publication Number Publication Date
DK555384D0 DK555384D0 (da) 1984-11-22
DK555384A DK555384A (da) 1985-05-26
DK161108B DK161108B (da) 1991-05-27
DK161108C true DK161108C (da) 1991-11-18

Family

ID=24215211

Family Applications (1)

Application Number Title Priority Date Filing Date
DK555384A DK161108C (da) 1983-11-25 1984-11-22 Fremgangsmaade til svovlfri kemisk-mekanisk pulpning af traemateriale og anvendelse af pulpen til fremstilling af boelgepap

Country Status (6)

Country Link
US (1) US4548675A (da)
EP (1) EP0149753B1 (da)
DE (2) DE3472986D1 (da)
DK (1) DK161108C (da)
FI (1) FI78516C (da)
NO (1) NO165731C (da)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020062935A1 (en) * 1995-12-27 2002-05-30 Weyerhaeuser Company Paper and absorbent products with reduced pitch content
US5698667A (en) * 1995-12-27 1997-12-16 Weyerhaeuser Company Pretreatment of wood particulates for removal of wood extractives
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
US5665798A (en) * 1995-12-27 1997-09-09 North Pacific Paper Corporation Composite wood products from solvent extracted wood raw materials
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
EP1415361A2 (en) * 2000-08-18 2004-05-06 Jerrold E. Franklin 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
US6837452B2 (en) 2002-08-30 2005-01-04 Weyerhaeuser Company Flowable and meterable densified fiber flake
US6811879B2 (en) * 2002-08-30 2004-11-02 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
AU2008253520B2 (en) * 2007-05-23 2013-05-09 Innotech Alberta 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
FI844556L (fi) 1985-05-26
NO165731B (no) 1990-12-17
US4548675A (en) 1985-10-22
EP0149753B1 (en) 1988-07-27
NO165731C (no) 1991-03-27
DE149753T1 (de) 1985-12-19
DK161108B (da) 1991-05-27
FI78516C (fi) 1989-08-10
FI78516B (fi) 1989-04-28
DK555384D0 (da) 1984-11-22
DK555384A (da) 1985-05-26
FI844556A0 (fi) 1984-11-20
DE3472986D1 (en) 1988-09-01
EP0149753A1 (en) 1985-07-31
NO844631L (no) 1985-05-28

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Legal Events

Date Code Title Description
PBP Patent lapsed