SE7809831L - PROCEDURE FOR THE PREPARATION OF CONSTANT WOOD - Google Patents

PROCEDURE FOR THE PREPARATION OF CONSTANT WOOD

Info

Publication number
SE7809831L
SE7809831L SE7809831A SE7809831A SE7809831L SE 7809831 L SE7809831 L SE 7809831L SE 7809831 A SE7809831 A SE 7809831A SE 7809831 A SE7809831 A SE 7809831A SE 7809831 L SE7809831 L SE 7809831L
Authority
SE
Sweden
Prior art keywords
procedure
preparation
wood
constant
constant wood
Prior art date
Application number
SE7809831A
Other languages
Swedish (sv)
Inventor
H Kruger
W Traser
J-P Franzreb
H Klein
Original Assignee
Degussa
Schwaebische Zellstoff Ag
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 Degussa, Schwaebische Zellstoff Ag filed Critical Degussa
Publication of SE7809831L publication Critical patent/SE7809831L/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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Sanitary Thin Papers (AREA)
  • Cosmetics (AREA)
SE7809831A 1977-09-20 1978-09-19 PROCEDURE FOR THE PREPARATION OF CONSTANT WOOD SE7809831L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2742262A DE2742262C2 (en) 1977-09-20 1977-09-20 Process for the production of a medium to high viscosity softwood sulphite pulp

Publications (1)

Publication Number Publication Date
SE7809831L true SE7809831L (en) 1979-03-21

Family

ID=6019413

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7809831A SE7809831L (en) 1977-09-20 1978-09-19 PROCEDURE FOR THE PREPARATION OF CONSTANT WOOD

Country Status (16)

Country Link
JP (1) JPS5455606A (en)
AR (1) AR218936A1 (en)
AT (1) AT367812B (en)
BE (1) BE870607A (en)
BR (1) BR7806050A (en)
CA (1) CA1133660A (en)
CH (1) CH638003A5 (en)
DE (1) DE2742262C2 (en)
ES (1) ES472687A1 (en)
FI (1) FI68273C (en)
FR (1) FR2403418A1 (en)
GB (1) GB2005743B (en)
IT (1) IT1109111B (en)
NO (1) NO153978C (en)
SE (1) SE7809831L (en)
ZA (1) ZA785356B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520397A1 (en) * 1982-01-28 1983-07-29 Centre Tech Ind Papier PROCESS FOR TREATING CHEMICAL PAPER PASTES
DE4031597A1 (en) * 1990-10-05 1992-04-09 Sueddeutsche Kalkstickstoff METHOD FOR LOW-CHLORINE BLEACHING AND DELIGNIFICATION OF CELLULAR
US6398908B1 (en) 1991-04-30 2002-06-04 Eka Nobel Ab Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
SE470065C (en) * 1991-04-30 1996-01-15 Eka Nobel Ab Treatment of chemical pulp with an acid and then a magnesium and calcium compound in chlorine-free bleaching
DE102007036376A1 (en) * 2007-07-31 2009-02-05 Voith Patent Gmbh Bleached pulp

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2026068A (en) * 1929-09-11 1935-12-31 Du Pont Process for the improvement of cellulose
DE753531C (en) * 1938-11-09 1953-05-18 Degussa Process for bleaching pulp

Also Published As

Publication number Publication date
ZA785356B (en) 1979-09-26
FR2403418A1 (en) 1979-04-13
AT367812B (en) 1982-08-10
BR7806050A (en) 1979-05-02
GB2005743B (en) 1982-03-03
DE2742262A1 (en) 1979-03-29
JPS5455606A (en) 1979-05-02
FI68273B (en) 1985-04-30
CA1133660A (en) 1982-10-19
BE870607A (en) 1979-03-19
IT7869162A0 (en) 1978-09-19
GB2005743A (en) 1979-04-25
CH638003A5 (en) 1983-08-31
NO153978B (en) 1986-03-17
ES472687A1 (en) 1979-02-16
ATA675678A (en) 1981-12-15
FI782869A (en) 1979-03-21
NO153978C (en) 1986-06-25
AR218936A1 (en) 1980-07-15
IT1109111B (en) 1985-12-16
NO782820L (en) 1979-03-21
DE2742262C2 (en) 1982-06-09
FI68273C (en) 1985-08-12
FR2403418B1 (en) 1982-07-02

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