FI55362B - Foerfarande foer framstaellning av traemassa - Google Patents

Foerfarande foer framstaellning av traemassa

Info

Publication number
FI55362B
FI55362B FI885/72A FI88572A FI55362B FI 55362 B FI55362 B FI 55362B FI 885/72 A FI885/72 A FI 885/72A FI 88572 A FI88572 A FI 88572A FI 55362 B FI55362 B FI 55362B
Authority
FI
Finland
Prior art keywords
traemassa
foerfarande foer
foer framstaellning
framstaellning
foerfarande
Prior art date
Application number
FI885/72A
Other languages
English (en)
Other versions
FI55362C (fi
Inventor
Richard Gordon Barker
Original Assignee
Union Camp 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 Union Camp Corp filed Critical Union Camp Corp
Application granted granted Critical
Publication of FI55362B publication Critical patent/FI55362B/fi
Publication of FI55362C publication Critical patent/FI55362C/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
FI885/72A 1971-04-01 1972-03-29 Foerfarande foer framstaellning av traemassa FI55362C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13032071A 1971-04-01 1971-04-01

Publications (2)

Publication Number Publication Date
FI55362B true FI55362B (fi) 1979-03-30
FI55362C FI55362C (fi) 1979-07-10

Family

ID=22444133

Family Applications (1)

Application Number Title Priority Date Filing Date
FI885/72A FI55362C (fi) 1971-04-01 1972-03-29 Foerfarande foer framstaellning av traemassa

Country Status (5)

Country Link
US (1) US3723242A (fi)
JP (1) JPS5027082B1 (fi)
CA (1) CA1080408A (fi)
FI (1) FI55362C (fi)
SE (1) SE381691B (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3874991A (en) * 1968-08-23 1975-04-01 Westvaco Corp Polysulfide impregnation of lignocellulosic materials in a continuous digester
AU473185B2 (en) * 1973-07-25 1976-06-17 Mooch Domsjo Aktiebolag A method for producing oxidized white liquor
US4098639A (en) * 1975-06-17 1978-07-04 Mo Och Domsjo Aktiebolag Process for reducing the requirement of fresh chemicals without increasing emissions in the pulping of cellulosic material
SE8106203L (sv) * 1981-10-21 1983-04-22 Nils V Mannbro Sett for polysulfidbehandling av lignocellulosamaterial vid alkalisk massaframstellning
JPS5986131U (ja) * 1982-11-30 1984-06-11 昭和アルミニウム株式会社 携帯容器
JPS62247812A (ja) * 1986-04-18 1987-10-28 Chiyoda Chem Eng & Constr Co Ltd 加圧式上向流深層濾過方法及びそれに用いる濾過器
US5192396A (en) * 1988-12-20 1993-03-09 Kamyr Ab Process for the continuous digestion of cellulosic fiber material
SE468053B (sv) * 1988-12-20 1992-10-26 Kamyr Ab Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial

Also Published As

Publication number Publication date
US3723242A (en) 1973-03-27
CA1080408A (en) 1980-07-01
FI55362C (fi) 1979-07-10
SE381691B (sv) 1975-12-15
JPS5027082B1 (fi) 1975-09-05

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