NO169670C - Fremgangsmaate for konsentrering av en alkalisk avlut - Google Patents

Fremgangsmaate for konsentrering av en alkalisk avlut

Info

Publication number
NO169670C
NO169670C NO860893A NO860893A NO169670C NO 169670 C NO169670 C NO 169670C NO 860893 A NO860893 A NO 860893A NO 860893 A NO860893 A NO 860893A NO 169670 C NO169670 C NO 169670C
Authority
NO
Norway
Prior art keywords
alkalic
concentrating
procedure
alkalic end
Prior art date
Application number
NO860893A
Other languages
English (en)
Other versions
NO860893L (no
NO169670B (no
Inventor
Tokiya Yaguchi
Shuichi Nagato
Kazushige Tanae
Akira Shimokura
Keiji Hasegawa
Original Assignee
Pulp Paper Tech Res Ass
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
Priority claimed from JP11863685A external-priority patent/JPS61282493A/ja
Priority claimed from JP60175497A external-priority patent/JPS6241390A/ja
Application filed by Pulp Paper Tech Res Ass filed Critical Pulp Paper Tech Res Ass
Publication of NO860893L publication Critical patent/NO860893L/no
Publication of NO169670B publication Critical patent/NO169670B/no
Publication of NO169670C publication Critical patent/NO169670C/no

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/10—Concentrating spent liquor by evaporation
NO860893A 1985-03-11 1986-03-10 Fremgangsmaate for konsentrering av en alkalisk avlut NO169670C (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4787685 1985-03-11
JP11863685A JPS61282493A (ja) 1985-05-31 1985-05-31 黒液濃縮装置
JP60175497A JPS6241390A (ja) 1985-08-09 1985-08-09 黒液濃縮方法および装置

Publications (3)

Publication Number Publication Date
NO860893L NO860893L (no) 1986-09-12
NO169670B NO169670B (no) 1992-04-13
NO169670C true NO169670C (no) 1992-07-22

Family

ID=27293117

Family Applications (1)

Application Number Title Priority Date Filing Date
NO860893A NO169670C (no) 1985-03-11 1986-03-10 Fremgangsmaate for konsentrering av en alkalisk avlut

Country Status (7)

Country Link
EP (1) EP0194845B1 (no)
AU (1) AU583354B2 (no)
BR (1) BR8601023A (no)
DE (1) DE3676322D1 (no)
FI (1) FI85517C (no)
NO (1) NO169670C (no)
NZ (1) NZ215420A (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000028135A1 (en) * 1998-11-06 2000-05-18 Thor Technology Corporation Black liquor processing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1606338A (en) * 1921-05-19 1926-11-09 Bradley Mckeefe Corp Treatment of black liquor
US2240376A (en) * 1937-01-05 1941-04-29 Svenska Flaektfabriken Ab Method and apparatus for evaporating sulphate residual liquor
US2464828A (en) * 1944-02-22 1949-03-22 West Virginia Pulp & Paper Co Method of producing lignin from black liquor
FR1035062A (fr) * 1951-04-04 1953-08-14 Rech S Thermiques Soc D Procédé pour la récupération thermique et chimique des résidus de fabrication de cellulose ou matières organiques analogues
US2936215A (en) * 1956-12-19 1960-05-10 Combustion Eng Chemical recovery unit
DE1119645B (de) * 1957-01-31 1961-12-14 Escher Wyss Gmbh Verfahren zur Entfernung von Kieselsaeure aus alkalischen Ablaugen der Zellstoffindustrie
US2997466A (en) * 1958-11-04 1961-08-22 West Virginia Pulp & Paper Co Decantation of lignin
US3873414A (en) * 1971-10-25 1975-03-25 Air Liquide Process for the treatment of black liquor of cellulosic pulp wherein oxidation is performed both before and after black liquor concentration

Also Published As

Publication number Publication date
NO860893L (no) 1986-09-12
FI85517B (fi) 1992-01-15
EP0194845A2 (en) 1986-09-17
FI860973A0 (fi) 1986-03-10
EP0194845A3 (en) 1987-05-06
EP0194845B1 (en) 1991-01-02
NO169670B (no) 1992-04-13
FI860973L (fi) 1986-09-12
DE3676322D1 (de) 1991-02-07
AU583354B2 (en) 1989-04-27
NZ215420A (en) 1989-01-06
AU5448986A (en) 1986-09-18
FI85517C (fi) 1996-12-03
BR8601023A (pt) 1986-11-18

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