SE8501338D0 - PULPING PROCESS - Google Patents

PULPING PROCESS

Info

Publication number
SE8501338D0
SE8501338D0 SE8501338A SE8501338A SE8501338D0 SE 8501338 D0 SE8501338 D0 SE 8501338D0 SE 8501338 A SE8501338 A SE 8501338A SE 8501338 A SE8501338 A SE 8501338A SE 8501338 D0 SE8501338 D0 SE 8501338D0
Authority
SE
Sweden
Prior art keywords
liquor
surfactants
pulping process
cooking
kraft
Prior art date
Application number
SE8501338A
Other languages
Swedish (sv)
Other versions
SE8501338L (en
SE463463B (en
Inventor
Eric Graham Fishlock-Lomax
Original Assignee
Fishlock Lomax Eric Graham
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 Fishlock Lomax Eric Graham filed Critical Fishlock Lomax Eric Graham
Publication of SE8501338D0 publication Critical patent/SE8501338D0/en
Publication of SE8501338L publication Critical patent/SE8501338L/en
Publication of SE463463B publication Critical patent/SE463463B/en

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

Landscapes

  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

In a chemical process for the manufacture of wood-pulp one or more amphoteric surfactants are included in the cooking liquor to reduce the cooking time. The liquor may be alkaline e.g. a Kraft or soda liquor, or an acid or neutral sulphite or bisulphite liquor. One or more surfactants of other type e.g. non-ionic or fluorinated surfactants may be used in combination therewith.
SE8501338A 1984-03-22 1985-03-19 PREPARATION OF TRAEMASSA BY ALKALIC COOKING IN THE PRESENCE OF AMPHOTIC SURFACTURING AGENTS SE463463B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848407438A GB8407438D0 (en) 1984-03-22 1984-03-22 Pulping process

Publications (3)

Publication Number Publication Date
SE8501338D0 true SE8501338D0 (en) 1985-03-19
SE8501338L SE8501338L (en) 1985-09-23
SE463463B SE463463B (en) 1990-11-26

Family

ID=10558503

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8501338A SE463463B (en) 1984-03-22 1985-03-19 PREPARATION OF TRAEMASSA BY ALKALIC COOKING IN THE PRESENCE OF AMPHOTIC SURFACTURING AGENTS

Country Status (5)

Country Link
CA (1) CA1250704A (en)
FI (1) FI79358C (en)
GB (2) GB8407438D0 (en)
NO (1) NO164788C (en)
SE (1) SE463463B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CA2217415A1 (en) * 1997-10-20 1999-04-20 Tien-Feng Ling Method for sulfite pulping using surfactants
WO2002010506A1 (en) * 2000-07-27 2002-02-07 Ashland Inc. Process for digesting woodchips and digester additives
FI122815B (en) * 2005-04-18 2012-07-13 Cerefi Oy Method for fractionating lignocellulosic materials and parts obtained from them

Also Published As

Publication number Publication date
FI851171L (en) 1985-09-23
GB2155966B (en) 1987-12-09
GB8407438D0 (en) 1984-05-02
SE8501338L (en) 1985-09-23
NO164788C (en) 1990-11-14
NO851130L (en) 1985-09-23
FI851171A0 (en) 1985-03-22
CA1250704A (en) 1989-03-07
NO164788B (en) 1990-08-06
FI79358C (en) 1989-12-11
GB8507304D0 (en) 1985-05-01
GB2155966A (en) 1985-10-02
FI79358B (en) 1989-08-31
SE463463B (en) 1990-11-26

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