CA2217415A1 - Methode pour l'obtention de pates au bisulfite en presence de tensioactifs - Google Patents

Methode pour l'obtention de pates au bisulfite en presence de tensioactifs Download PDF

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Publication number
CA2217415A1
CA2217415A1 CA 2217415 CA2217415A CA2217415A1 CA 2217415 A1 CA2217415 A1 CA 2217415A1 CA 2217415 CA2217415 CA 2217415 CA 2217415 A CA2217415 A CA 2217415A CA 2217415 A1 CA2217415 A1 CA 2217415A1
Authority
CA
Canada
Prior art keywords
recited
surfactant
chips
sulfite pulping
acid sulfite
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.)
Abandoned
Application number
CA 2217415
Other languages
English (en)
Inventor
Tien-Feng Ling
Bharat G. Bihani
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.)
Suez WTS USA Inc
Original Assignee
BetzDearborn Inc
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 BetzDearborn Inc filed Critical BetzDearborn Inc
Publication of CA2217415A1 publication Critical patent/CA2217415A1/fr
Abandoned 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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
    • 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
    • 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

Landscapes

  • Paper (AREA)
CA 2217415 1997-10-20 1997-10-27 Methode pour l'obtention de pates au bisulfite en presence de tensioactifs Abandoned CA2217415A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US95452797A 1997-10-20 1997-10-20
US08/954,527 1997-10-20

Publications (1)

Publication Number Publication Date
CA2217415A1 true CA2217415A1 (fr) 1999-04-20

Family

ID=25495558

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2217415 Abandoned CA2217415A1 (fr) 1997-10-20 1997-10-27 Methode pour l'obtention de pates au bisulfite en presence de tensioactifs

Country Status (3)

Country Link
AU (1) AU8595098A (fr)
CA (1) CA2217415A1 (fr)
WO (1) WO1999020828A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7147750B1 (en) 2000-03-24 2006-12-12 Andritz Inc. Extraction with compaction and springback considerations
US7081183B2 (en) 2002-07-23 2006-07-25 Nalco Company Method of deresinating pulp using alkyl alcohol alkoxylate surfactants
US8728275B2 (en) 2012-07-27 2014-05-20 Ecolab Usa Inc. Glycerol-based polymers for reducing deposition of organic contaminants in papermaking processes
US9416490B2 (en) 2010-03-10 2016-08-16 Nalco Company Cross-linked glycerol based polymers as digestion aids for improving wood pulping processes
RU2738813C1 (ru) * 2020-03-20 2020-12-17 Общество с ограниченной ответственностью "Проектирование и строительство в лесной промышленности" (ООО "ПРИСТЛЕСПРОМ") Способ получения целлюлозы для химической переработки

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909345A (en) * 1972-12-14 1975-09-30 Basf Wyandotte Corp Method of treatment of wood pulp for greater efficiency in wood utilization
GB8407438D0 (en) * 1984-03-22 1984-05-02 Fishlock Lomax E G Pulping process
US4906331A (en) * 1987-06-26 1990-03-06 Betz Paperchem, Inc. Method of enhancing the cooking of wood chips for pulp production
US5728265A (en) * 1995-06-12 1998-03-17 Henkel Corporation Process for enhancing white liquor penetration into wood chips by contacting the chips with a mixture of the white liquor and a polymethylalkyl siloxane

Also Published As

Publication number Publication date
WO1999020828A1 (fr) 1999-04-29
AU8595098A (en) 1999-05-10

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