DE2322375C3 - Semichemisches Holzpulpverfahren - Google Patents

Semichemisches Holzpulpverfahren

Info

Publication number
DE2322375C3
DE2322375C3 DE19732322375 DE2322375A DE2322375C3 DE 2322375 C3 DE2322375 C3 DE 2322375C3 DE 19732322375 DE19732322375 DE 19732322375 DE 2322375 A DE2322375 A DE 2322375A DE 2322375 C3 DE2322375 C3 DE 2322375C3
Authority
DE
Germany
Prior art keywords
wood
pulp
semi
sodium
chemical
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
DE19732322375
Other languages
German (de)
English (en)
Other versions
DE2322375B2 (de
DE2322375A1 (de
Inventor
Jack Arnold Hammond
Elias Michael 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
Publication of DE2322375A1 publication Critical patent/DE2322375A1/de
Publication of DE2322375B2 publication Critical patent/DE2322375B2/de
Application granted granted Critical
Publication of DE2322375C3 publication Critical patent/DE2322375C3/de
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)
DE19732322375 1972-05-01 1973-04-30 Semichemisches Holzpulpverfahren Expired DE2322375C3 (de)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2322375A1 DE2322375A1 (de) 1973-11-15
DE2322375B2 DE2322375B2 (de) 1978-04-20
DE2322375C3 true DE2322375C3 (de) 1978-12-07

Family

ID=22941023

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732322375 Expired DE2322375C3 (de) 1972-05-01 1973-04-30 Semichemisches Holzpulpverfahren

Country Status (10)

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

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 (OSRAM) * 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
FI55530B (fi) 1979-04-30
FR2183100A1 (OSRAM) 1973-12-14
FR2183100B1 (OSRAM) 1975-04-04
DE2322375B2 (de) 1978-04-20
DE2322375A1 (de) 1973-11-15
CA990013A (en) 1976-06-01
IT1023018B (it) 1978-05-10
AU456456B2 (en) 1974-12-19
NO142266B (no) 1980-04-14
JPS5227803A (en) 1977-03-02
SE406780B (sv) 1979-02-26
JPS4954601A (OSRAM) 1974-05-28
NO142266C (no) 1980-07-23
AU5498573A (en) 1974-10-31
GB1432245A (en) 1976-04-14
FI55530C (fi) 1979-08-10

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee