NO142266C - PROCEDURE FOR THE PREPARATION OF SEMI-CHEMICAL MASS OF LEAVES - Google Patents

PROCEDURE FOR THE PREPARATION OF SEMI-CHEMICAL MASS OF LEAVES

Info

Publication number
NO142266C
NO142266C NO177973A NO177973A NO142266C NO 142266 C NO142266 C NO 142266C NO 177973 A NO177973 A NO 177973A NO 177973 A NO177973 A NO 177973A NO 142266 C NO142266 C NO 142266C
Authority
NO
Norway
Prior art keywords
leaves
semi
procedure
preparation
chemical mass
Prior art date
Application number
NO177973A
Other languages
Norwegian (no)
Other versions
NO142266B (en
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 NO142266B publication Critical patent/NO142266B/en
Publication of NO142266C publication Critical patent/NO142266C/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
    • 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)
NO177973A 1972-05-01 1973-04-30 PROCEDURE FOR THE PREPARATION OF SEMI-CHEMICAL MASS OF LEAVES NO142266C (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NO142266B NO142266B (en) 1980-04-14
NO142266C true NO142266C (en) 1980-07-23

Family

ID=22941023

Family Applications (1)

Application Number Title Priority Date Filing Date
NO177973A NO142266C (en) 1972-05-01 1973-04-30 PROCEDURE FOR THE PREPARATION OF SEMI-CHEMICAL MASS OF LEAVES

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
AU456456B2 (en) 1974-12-19
DE2322375B2 (en) 1978-04-20
IT1023018B (en) 1978-05-10
CA990013A (en) 1976-06-01
FI55530B (en) 1979-04-30
FR2183100A1 (en) 1973-12-14
SE406780B (en) 1979-02-26
AU5498573A (en) 1974-10-31
JPS4954601A (en) 1974-05-28
DE2322375A1 (en) 1973-11-15
DE2322375C3 (en) 1978-12-07
NO142266B (en) 1980-04-14
GB1432245A (en) 1976-04-14
FR2183100B1 (en) 1975-04-04
FI55530C (en) 1979-08-10
JPS5227803A (en) 1977-03-02

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