NZ220101A - Use of carbon dioxide to lower ph in washing of alkaline cellulosic pulp - Google Patents

Use of carbon dioxide to lower ph in washing of alkaline cellulosic pulp

Info

Publication number
NZ220101A
NZ220101A NZ22010187A NZ22010187A NZ220101A NZ 220101 A NZ220101 A NZ 220101A NZ 22010187 A NZ22010187 A NZ 22010187A NZ 22010187 A NZ22010187 A NZ 22010187A NZ 220101 A NZ220101 A NZ 220101A
Authority
NZ
New Zealand
Prior art keywords
washing
carbon dioxide
cellulosic pulp
alkaline cellulosic
alkaline
Prior art date
Application number
NZ22010187A
Inventor
M Bokstrom
R Rasimus
Original Assignee
Aga Ab
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 Aga Ab filed Critical Aga Ab
Publication of NZ220101A publication Critical patent/NZ220101A/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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
NZ22010187A 1986-12-22 1987-04-27 Use of carbon dioxide to lower ph in washing of alkaline cellulosic pulp NZ220101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8605510A SE8605510L (en) 1986-12-22 1986-12-22 KEEP WASHING THE PASS

Publications (1)

Publication Number Publication Date
NZ220101A true NZ220101A (en) 1989-04-26

Family

ID=20366716

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ22010187A NZ220101A (en) 1986-12-22 1987-04-27 Use of carbon dioxide to lower ph in washing of alkaline cellulosic pulp

Country Status (11)

Country Link
AR (1) AR242276A1 (en)
AU (2) AU7352587A (en)
BR (1) BR8707606A (en)
CA (1) CA1286454C (en)
ES (1) ES2003282A6 (en)
FI (1) FI90256C (en)
MX (1) MX167744B (en)
NZ (1) NZ220101A (en)
PT (1) PT84777B (en)
SE (1) SE8605510L (en)
WO (1) WO1988004705A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102911B (en) * 1997-06-13 1999-03-15 Aga Ab Process for stabilizing pH in a pulp suspension and for making paper of the stabilized pulp
FI104503B (en) * 1997-11-05 2000-02-15 Aga Ab A method for improving the drainage of cellulosic pulps
FI103520B (en) 1998-03-03 1999-07-15 Upm Kymmene Corp Improved papermaking methods
FI991241A (en) * 1999-06-01 2000-12-02 Aga Ab Bleaching of lignin and process for making paper
FI109209B (en) * 2000-04-05 2002-06-14 Stora Enso Oyj Procedure for checking delignification and bleaching of a pulp slurry

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI52876C (en) * 1974-09-03 1978-10-17 Ahlstroem Oy OVERFLOWER FOR CELLULOSE FRAON ALKALIKOK

Also Published As

Publication number Publication date
FI883851A0 (en) 1988-08-19
AR242276A1 (en) 1993-03-31
FI90256C (en) 1994-01-10
SE8605510D0 (en) 1986-12-22
FI90256B (en) 1993-09-30
PT84777B (en) 1990-11-07
BR8707606A (en) 1989-10-03
PT84777A (en) 1987-05-01
MX167744B (en) 1993-04-12
WO1988004705A1 (en) 1988-06-30
ES2003282A6 (en) 1988-10-16
AU1082688A (en) 1988-07-15
AU7352587A (en) 1988-07-15
CA1286454C (en) 1991-07-23
SE8605510L (en) 1987-09-17
FI883851A (en) 1988-08-19

Similar Documents

Publication Publication Date Title
GR3007008T3 (en)
NZ221798A (en) Bleaching wood pulp with hydrogen peroxide in alkaline silicate-free aqueous system
NZ232996A (en) Producing fluff pulp: enzyme treatment prior to shredding
ZA879295B (en) Enzymatic detergent and bleaching composition
DE3665201D1 (en) Aqueous, alkaline, silicate-containing composition for the bleaching of cellulosic fibres in the presence of percompounds
AU1175188A (en) Use of gaseous carbon dioxide to adjust ph of cellulosic pulp
EG18236A (en) Twisted stiffened cellulosic fibers and absorbent structure made therefrom
NZ216773A (en) Preparing highly absorbent cellulose pulp and use in absorbent products
PL264227A1 (en) High-speed paper web drier; the way to avoid web slatting in the high-speed drier and application of the high-speed drier
ZA84336B (en) Leaching and washing a flocculated slurry having a fiber content
NZ220101A (en) Use of carbon dioxide to lower ph in washing of alkaline cellulosic pulp
GB8526363D0 (en) Processibility of cellulosic spinning solutions
AU586298B2 (en) Method in the bleaching of cellulose pulp
NZ235754A (en) Bleaching wood pulp with chlorine dioxide first at ph of 5 to 10 then at ph of 1.9 to 4.2
GB8705044D0 (en) Cellulose based fibers
EP0418201A3 (en) Bleaching wood pulp with enzymes
PL287416A1 (en) Cellulosic pulp bleaching process using chlorine dioxide and chlorine
EP0130711A3 (en) Aqueous solutions of reactive dyes
GB8625401D0 (en) Preparation of fibrous suspensions in hydrocyclones
GB8616164D0 (en) Hydrocarbyl-grafted cellulose fibres
GB2185499B (en) Treatment of cellulosic textile fabrics
GB2205850B (en) Process of enzymatic interesterification in a low water content condition
GB8718712D0 (en) Supplying washing solutions to glass washer
PT80866B (en) Improved delignification of pulp
ZA88945B (en) Use of gaseous carbon dioxide to adjust ph of cellulosic pulp