FR2343855A1 - Procede destine a reduire en pate chimique des copeaux de bois contenant de l'eau - Google Patents

Procede destine a reduire en pate chimique des copeaux de bois contenant de l'eau

Info

Publication number
FR2343855A1
FR2343855A1 FR7707412A FR7707412A FR2343855A1 FR 2343855 A1 FR2343855 A1 FR 2343855A1 FR 7707412 A FR7707412 A FR 7707412A FR 7707412 A FR7707412 A FR 7707412A FR 2343855 A1 FR2343855 A1 FR 2343855A1
Authority
FR
France
Prior art keywords
wood chips
wood
containing water
chemical pulp
chips containing
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.)
Pending
Application number
FR7707412A
Other languages
English (en)
French (fr)
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 FR2343855A1 publication Critical patent/FR2343855A1/fr
Pending 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

Landscapes

  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
FR7707412A 1976-03-12 1977-03-11 Procede destine a reduire en pate chimique des copeaux de bois contenant de l'eau Pending FR2343855A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66625776A 1976-03-12 1976-03-12

Publications (1)

Publication Number Publication Date
FR2343855A1 true FR2343855A1 (fr) 1977-10-07

Family

ID=24673454

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7707412A Pending FR2343855A1 (fr) 1976-03-12 1977-03-11 Procede destine a reduire en pate chimique des copeaux de bois contenant de l'eau

Country Status (10)

Country Link
JP (1) JPS52110902A (enExample)
AU (1) AU504413B2 (enExample)
BR (1) BR7701481A (enExample)
DE (1) DE2710700A1 (enExample)
FI (1) FI770790A7 (enExample)
FR (1) FR2343855A1 (enExample)
NO (1) NO770870L (enExample)
SE (1) SE7702781L (enExample)
TR (1) TR19409A (enExample)
ZA (1) ZA771491B (enExample)

Cited By (1)

* 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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5460696A (en) * 1993-08-12 1995-10-24 The Boc Group, Inc. Oxygen delignification method incorporating wood pulp mixing apparatus
JP4958166B2 (ja) * 2006-05-31 2012-06-20 独立行政法人産業技術総合研究所 酸素存在下におけるアルコールによる植物系バイオマスの処理方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB185421A (en) * 1921-09-01 1922-12-14 Gaston Amedee Mourlaque An improved process for transforming vegetable matter into paper pulp
GB481631A (en) * 1935-12-31 1938-03-15 Theodor Kleinert Process for the decomposition of wood for the production of cellulose
FR2337224A1 (fr) * 1976-01-05 1977-07-29 Weyerhaeuser Co Delignification par l'oxygene

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE391544C (sv) * 1974-12-10 1985-10-28 Billeruds Ab Sett for forcerad hartsmognad hos vedflis

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB185421A (en) * 1921-09-01 1922-12-14 Gaston Amedee Mourlaque An improved process for transforming vegetable matter into paper pulp
GB481631A (en) * 1935-12-31 1938-03-15 Theodor Kleinert Process for the decomposition of wood for the production of cellulose
FR2337224A1 (fr) * 1976-01-05 1977-07-29 Weyerhaeuser Co Delignification par l'oxygene

Cited By (1)

* 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

Also Published As

Publication number Publication date
DE2710700A1 (de) 1977-09-15
TR19409A (tr) 1979-03-01
JPS52110902A (en) 1977-09-17
AU504413B2 (en) 1979-10-11
BR7701481A (pt) 1977-11-29
SE7702781L (sv) 1977-09-13
FI770790A7 (enExample) 1977-09-13
ZA771491B (en) 1978-02-22
NO770870L (no) 1977-09-13
AU2317777A (en) 1978-09-14

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