ZA773044B - Improvements in pulping processes - Google Patents

Improvements in pulping processes

Info

Publication number
ZA773044B
ZA773044B ZA00773044A ZA773044A ZA773044B ZA 773044 B ZA773044 B ZA 773044B ZA 00773044 A ZA00773044 A ZA 00773044A ZA 773044 A ZA773044 A ZA 773044A ZA 773044 B ZA773044 B ZA 773044B
Authority
ZA
South Africa
Prior art keywords
pulping processes
pulping
processes
Prior art date
Application number
ZA00773044A
Other languages
English (en)
Inventor
A Farrington
P Nelson
N Vanderhoek
Original Assignee
Australian Paper Manufacturers
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 Australian Paper Manufacturers filed Critical Australian Paper Manufacturers
Publication of ZA773044B publication Critical patent/ZA773044B/xx

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
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
ZA00773044A 1976-06-02 1977-05-23 Improvements in pulping processes ZA773044B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPC614176 1976-06-02
AUPC747376 1976-09-23
AUPC845576 1976-12-13

Publications (1)

Publication Number Publication Date
ZA773044B true ZA773044B (en) 1978-04-26

Family

ID=27157033

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00773044A ZA773044B (en) 1976-06-02 1977-05-23 Improvements in pulping processes

Country Status (8)

Country Link
US (2) US4213821A (fi)
JP (1) JPS52155202A (fi)
BR (1) BR7703559A (fi)
CA (1) CA1104762A (fi)
FI (1) FI70609B (fi)
NO (1) NO152099C (fi)
SE (1) SE7706247L (fi)
ZA (1) ZA773044B (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7182836B2 (en) 2001-06-29 2007-02-27 Voith Paper Fiber Systems Gmbh Kg Method for delignifying lignocellulosic raw materials

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5374101A (en) * 1976-12-10 1978-07-01 Honshu Paper Co Ltd Pulp making method
CA1110413A (en) * 1977-12-14 1981-10-13 Oji Paper Co., Ltd. Process for pulping lignocellulosic material
JPS54106601A (en) * 1978-02-10 1979-08-21 Oji Paper Co Alkali sulfide pulping method
JPS54100332A (en) * 1978-01-20 1979-08-08 Nippon Steel Chem Co Ltd Quinone compound composition and its preparation
FR2442912A1 (fr) * 1978-07-27 1980-06-27 Ugine Kuhlmann Procede de cuisson de materiaux lignocellulosiques en vue de la production de pate a papier
US4574032A (en) * 1979-10-15 1986-03-04 Westvaco Corporation Process for delignification of lignocellulosic material in the presence of anthraquinone in solution with white and black liquors
FI62114C (fi) * 1979-11-05 1982-11-10 Flowcon Oy Ligninprodukt foer att goera cement och andra finfoerdelade mieralmaterial laettflytande
US4310383A (en) * 1979-11-23 1982-01-12 Crown Zellerbach Corporation Continuous countercurrent pretreatment of lignocellulose with anthraquinone prior to pulping
SE434284B (sv) * 1980-05-07 1984-07-16 Mo Och Domsjoe Ab Forfarande vid syrgasdelignifiering av kemiskt uppsluten cellulosamassa varvid aromatiska diaminer tillfores
FI60041C (fi) * 1980-05-21 1981-11-10 Ahlstroem Oy Foerfarande foer tillverkning av alkalisk sulfitmassa
US4295928A (en) * 1980-08-07 1981-10-20 Nalco Chemical Company Phenolic compounds as viscosity preservatives during hypochlorite pulp bleaching
JPS5747990A (en) * 1980-09-03 1982-03-19 Honshu Paper Co Ltd Pulp making method
NZ198901A (en) * 1980-12-01 1984-03-30 Kawasaki Kasei Chemicals Process for removing anthraquinone-type scale
NZ204262A (en) * 1982-06-02 1986-10-08 Champion Int Corp Kraft and alkaline pulping processes using synergistic composition to enhance pulp yield
JPS5951235A (ja) * 1982-09-17 1984-03-24 Kawasaki Kasei Chem Ltd ２―（４―メチル―ペンチル）―アントラキノンの製造法
SE453841C (sv) * 1984-10-10 1990-04-30 Svenska Traeforskningsinst Framstaellning av cellulosamassa med sulfit-sulfidkokvaetska
DE3518005A1 (de) * 1985-05-18 1986-11-20 Kraftanlagen Ag, 6900 Heidelberg Sulfitaufschlussverfahren zur herstellung von zellstoff aus lignozellulosehaltigen materialien mit rueckgewinnung der aufschlusschemikalien
US5139617A (en) * 1987-04-21 1992-08-18 Suomen Sokeri Oy Process for the production of a hemicellulose hydrolysate and special high alpha cellulose pulp
FI79564C (fi) 1987-04-21 1990-01-10 Suomen Sokeri Oy Foerfarande foer framstaellning av hemicellulosahydrolysat och specialmassa.
CH686682A5 (de) * 1992-05-05 1996-05-31 Granit Sa Herstellung von Zellstoff nach dem S.A.P.-Verfahren.
ATE169699T1 (de) * 1993-06-16 1998-08-15 Lignozym Gmbh Verfahren zur veränderung, abbau oder bleichen von lignin, ligninhaltigen materialien oder kohle
US5882476A (en) * 1995-05-05 1999-03-16 Solvay Minerals, Inc. Deinking printed wastepaper using alkaline solution containing sodium sulfite and sodium carbonate
SE506228C2 (sv) * 1996-01-18 1997-11-24 John Saxeby Ab Delignifieringsförfarande med tillsats av additiv i form av en vattenhaltig lösning innefattande fenoler och pyrazolidoner
DE10323376A1 (de) * 2003-05-21 2004-12-16 Voith Paper Fiber Systems Gmbh & Co. Kg Verfahren zum Delignifizieren
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
US20140318724A1 (en) * 2009-03-09 2014-10-30 Nalco Company Method and chemical compositions to improve efficiency of chemical pulping
DE102009017051A1 (de) * 2009-04-09 2010-10-21 Zylum Beteiligungsgesellschaft Mbh & Co. Patente Ii Kg Verfahren zur Gewinnung von Zellstoff aus Lignocellulose-haltiger Biomasse
US9121135B2 (en) * 2012-12-12 2015-09-01 Basf Se Use of sodium dithionite in pulping
WO2019079388A1 (en) * 2017-10-17 2019-04-25 Auburn University PHENOLS AS ADDITIVES IN KRAFT PASTE REDUCTION
CN115125751A (zh) * 2022-06-01 2022-09-30 齐鲁工业大学 一种废旧棉纺织品清洁高效制备棉浆方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2218479A (en) * 1936-10-21 1940-10-15 Floyd C Peterson Pulping process
US2192202A (en) * 1936-10-23 1940-03-05 Floyd C Peterson Pulping process
US2883826A (en) * 1953-01-07 1959-04-28 Univ Minnesota Process for conditioning plant fibers for spinning
FR72957E (fi) * 1956-11-05
DD98549A1 (fi) * 1970-07-23 1973-06-20
GB1449828A (en) * 1973-04-26 1976-09-15 Canadian Ind Oxygen pulping process
JPS51112903A (en) * 1975-03-26 1976-10-05 Honshu Paper Co Ltd Process for digesting lignocellulose material with sulphites
JPS5143403A (en) * 1974-10-09 1976-04-14 Honshu Paper Co Ltd Arukariparupuno seizohoho
CA1073161A (en) * 1975-09-05 1980-03-11 Canadian Industries Limited Delignification process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7182836B2 (en) 2001-06-29 2007-02-27 Voith Paper Fiber Systems Gmbh Kg Method for delignifying lignocellulosic raw materials

Also Published As

Publication number Publication date
BR7703559A (pt) 1978-04-04
NO152099C (no) 1987-08-20
FI771744A (fi) 1977-12-03
NO152099B (no) 1985-04-22
NO771885L (no) 1977-12-05
CA1104762A (en) 1981-07-14
US4213821A (en) 1980-07-22
SE7706247L (sv) 1977-12-03
USRE32203E (en) 1986-07-15
JPS52155202A (en) 1977-12-23
FI70609B (fi) 1986-06-06

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