FI55530C - Saett att koka halvkemisk traemassa - Google Patents

Saett att koka halvkemisk traemassa

Info

Publication number
FI55530C
FI55530C FI134473A FI134473A FI55530C FI 55530 C FI55530 C FI 55530C FI 134473 A FI134473 A FI 134473A FI 134473 A FI134473 A FI 134473A FI 55530 C FI55530 C FI 55530C
Authority
FI
Finland
Prior art keywords
traemama
halvkemisk
koka
saett att
saett
Prior art date
Application number
FI134473A
Other languages
English (en)
Other versions
FI55530B (fi
Inventor
Jack Arnold Hammond
Elias Michael Karter
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
Publication of FI55530B publication Critical patent/FI55530B/fi
Application granted granted Critical
Publication of FI55530C publication Critical patent/FI55530C/fi

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)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Medicines Containing Plant Substances (AREA)
FI134473A 1972-05-01 1973-04-26 Saett att koka halvkemisk traemassa FI55530C (fi)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FI55530B FI55530B (fi) 1979-04-30
FI55530C true FI55530C (fi) 1979-08-10

Family

ID=22941023

Family Applications (1)

Application Number Title Priority Date Filing Date
FI134473A FI55530C (fi) 1972-05-01 1973-04-26 Saett att koka halvkemisk traemassa

Country Status (10)

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

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 (fi) * 1972-05-15 1975-04-04 Owens Illinois Inc
RU2091529C1 (ru) * 1995-11-21 1997-09-27 Грудинин Владимир Павлович Способ приготовления варочного раствора для получения волокнистого полуфабриката
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
NO142266C (no) 1980-07-23
IT1023018B (it) 1978-05-10
AU5498573A (en) 1974-10-31
GB1432245A (en) 1976-04-14
DE2322375C3 (de) 1978-12-07
JPS4954601A (fi) 1974-05-28
FI55530B (fi) 1979-04-30
AU456456B2 (en) 1974-12-19
NO142266B (no) 1980-04-14
SE406780B (sv) 1979-02-26
DE2322375A1 (de) 1973-11-15
FR2183100B1 (fi) 1975-04-04
FR2183100A1 (fi) 1973-12-14
JPS5227803A (en) 1977-03-02
CA990013A (en) 1976-06-01
DE2322375B2 (de) 1978-04-20

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