AU504413B2 - Oxygen pretreatment of woodchips prior to chemical pulping - Google Patents

Oxygen pretreatment of woodchips prior to chemical pulping

Info

Publication number
AU504413B2
AU504413B2 AU23177/77A AU2317777A AU504413B2 AU 504413 B2 AU504413 B2 AU 504413B2 AU 23177/77 A AU23177/77 A AU 23177/77A AU 2317777 A AU2317777 A AU 2317777A AU 504413 B2 AU504413 B2 AU 504413B2
Authority
AU
Australia
Prior art keywords
woodchips
prior
chemical pulping
oxygen pretreatment
pretreatment
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
AU23177/77A
Other versions
AU2317777A (en
Inventor
J. Mullhaupt J. T Solomon
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.)
Union Carbide Corp
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of AU2317777A publication Critical patent/AU2317777A/en
Application granted granted Critical
Publication of AU504413B2 publication Critical patent/AU504413B2/en
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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/08—Pretreatment of the finely-divided materials before digesting with oxygen-generating compounds
AU23177/77A 1976-03-12 1977-03-11 Oxygen pretreatment of woodchips prior to chemical pulping Expired AU504413B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66625776A 1976-03-12 1976-03-12
USUS666,257 1976-03-12

Publications (2)

Publication Number Publication Date
AU2317777A AU2317777A (en) 1978-09-14
AU504413B2 true AU504413B2 (en) 1979-10-11

Family

ID=24673454

Family Applications (1)

Application Number Title Priority Date Filing Date
AU23177/77A Expired AU504413B2 (en) 1976-03-12 1977-03-11 Oxygen pretreatment of woodchips prior to chemical pulping

Country Status (10)

Country Link
JP (1) JPS52110902A (en)
AU (1) AU504413B2 (en)
BR (1) BR7701481A (en)
DE (1) DE2710700A1 (en)
FI (1) FI770790A (en)
FR (1) FR2343855A1 (en)
NO (1) NO770870L (en)
SE (1) SE7702781L (en)
TR (1) TR19409A (en)
ZA (1) ZA771491B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4859543A (en) * 1987-04-28 1989-08-22 Kennametal Inc. Earth working tool having a working element fabricated from cemented tungsten carbide compositions with enhanced properties
US5460696A (en) * 1993-08-12 1995-10-24 The Boc Group, Inc. Oxygen delignification method incorporating wood pulp mixing apparatus
JP4958166B2 (en) * 2006-05-31 2012-06-20 独立行政法人産業技術総合研究所 Treatment of plant biomass with alcohol in the presence of oxygen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR540571A (en) * 1921-09-01 1922-07-13 Process for transforming plants into pulp
BE419220A (en) * 1935-12-31
SE391544C (en) * 1974-12-10 1985-10-10 Billeruds Ab SET FOR FORCED HEART MATCHING WOOD TIP
SE7613149L (en) * 1976-01-05 1977-10-06 Weyerhaeuser Co ACID REDUCTION

Also Published As

Publication number Publication date
AU2317777A (en) 1978-09-14
DE2710700A1 (en) 1977-09-15
BR7701481A (en) 1977-11-29
FI770790A (en) 1977-09-13
FR2343855A1 (en) 1977-10-07
JPS52110902A (en) 1977-09-17
NO770870L (en) 1977-09-13
SE7702781L (en) 1977-09-13
ZA771491B (en) 1978-02-22
TR19409A (en) 1979-03-01

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