CA990013A - Method of pulping wood - Google Patents

Method of pulping wood

Info

Publication number
CA990013A
CA990013A CA169,628A CA169628A CA990013A CA 990013 A CA990013 A CA 990013A CA 169628 A CA169628 A CA 169628A CA 990013 A CA990013 A CA 990013A
Authority
CA
Canada
Prior art keywords
pulping wood
pulping
wood
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.)
Expired
Application number
CA169,628A
Other versions
CA169628S (en
Inventor
Jack A. Hammond
Elias M. Karter
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.)
Westvaco Corp
Original Assignee
Westvaco 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 Westvaco Corp filed Critical Westvaco Corp
Application granted granted Critical
Publication of CA990013A publication Critical patent/CA990013A/en
Expired 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0014—Combination of various pulping processes with one or several recovery systems (cross-recovery)

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
CA169,628A 1972-05-01 1973-04-26 Method of pulping wood Expired CA990013A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24886872A 1972-05-01 1972-05-01

Publications (1)

Publication Number Publication Date
CA990013A true CA990013A (en) 1976-06-01

Family

ID=22941023

Family Applications (1)

Application Number Title Priority Date Filing Date
CA169,628A Expired CA990013A (en) 1972-05-01 1973-04-26 Method of pulping wood

Country Status (10)

Country Link
JP (2) JPS4954601A (en)
AU (1) AU456456B2 (en)
CA (1) CA990013A (en)
DE (1) DE2322375C3 (en)
FI (1) FI55530C (en)
FR (1) FR2183100B1 (en)
GB (1) GB1432245A (en)
IT (1) IT1023018B (en)
NO (1) NO142266C (en)
SE (1) SE406780B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1432245A (en) * 1972-05-01 1976-04-14 Westvaco Corp Method of pulping wood
FR2184608B1 (en) * 1972-05-15 1975-04-04 Owens Illinois Inc
RU2091529C1 (en) * 1995-11-21 1997-09-27 Грудинин Владимир Павлович Method of preparation of cooking liquid for production of fibrous intermediate product
US20090038767A1 (en) * 2007-08-07 2009-02-12 Andritz Inc. Method and System for Semi-Chemical Pulping

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1432245A (en) * 1972-05-01 1976-04-14 Westvaco Corp Method of pulping wood

Also Published As

Publication number Publication date
SE406780B (en) 1979-02-26
JPS5227803A (en) 1977-03-02
AU5498573A (en) 1974-10-31
NO142266B (en) 1980-04-14
DE2322375C3 (en) 1978-12-07
NO142266C (en) 1980-07-23
FI55530C (en) 1979-08-10
FI55530B (en) 1979-04-30
DE2322375B2 (en) 1978-04-20
AU456456B2 (en) 1974-12-19
JPS4954601A (en) 1974-05-28
DE2322375A1 (en) 1973-11-15
GB1432245A (en) 1976-04-14
IT1023018B (en) 1978-05-10
FR2183100B1 (en) 1975-04-04
FR2183100A1 (en) 1973-12-14

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