NZ215420A - Concentration of alkaline waste liquor - Google Patents

Concentration of alkaline waste liquor

Info

Publication number
NZ215420A
NZ215420A NZ21542086A NZ21542086A NZ215420A NZ 215420 A NZ215420 A NZ 215420A NZ 21542086 A NZ21542086 A NZ 21542086A NZ 21542086 A NZ21542086 A NZ 21542086A NZ 215420 A NZ215420 A NZ 215420A
Authority
NZ
New Zealand
Prior art keywords
concentration
waste liquor
alkaline waste
alkaline
liquor
Prior art date
Application number
NZ21542086A
Inventor
Yaguchi Tokiya
Nagato Kazushige Tanae Shuichi
Shimokura Akira
Hasegawa Keiji
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/en
Priority claimed from JP60175497A external-priority patent/JPS6241390A/en
Application filed by Pulp Paper Tech Res Ass filed Critical Pulp Paper Tech Res Ass
Publication of NZ215420A publication Critical patent/NZ215420A/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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/10—Concentrating spent liquor by evaporation
NZ21542086A 1985-03-11 1986-03-10 Concentration of alkaline waste liquor NZ215420A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4787685 1985-03-11
JP11863685A JPS61282493A (en) 1985-05-31 1985-05-31 Apparatus for concentrating black liquor
JP60175497A JPS6241390A (en) 1985-08-09 1985-08-09 Method and apparatus for concentrating black liquor

Publications (1)

Publication Number Publication Date
NZ215420A true NZ215420A (en) 1989-01-06

Family

ID=27293117

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ21542086A NZ215420A (en) 1985-03-11 1986-03-10 Concentration of alkaline waste liquor

Country Status (7)

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

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 (9)

* 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 (en) * 1951-04-04 1953-08-14 Rech S Thermiques Soc D Process for the thermal and chemical recovery of residues from the manufacture of cellulose or similar organic materials
US2936215A (en) * 1956-12-19 1960-05-10 Combustion Eng Chemical recovery unit
DE1119645B (en) * 1957-01-31 1961-12-14 Escher Wyss Gmbh Process for removing silicic acid from alkaline waste liquors in the pulp industry
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
JPS58126390A (en) * 1982-01-16 1983-07-27 バブコツク日立株式会社 Direct causticification with enhanced efficiency

Also Published As

Publication number Publication date
DE3676322D1 (en) 1991-02-07
FI85517C (en) 1996-12-03
EP0194845A3 (en) 1987-05-06
NO860893L (en) 1986-09-12
EP0194845A2 (en) 1986-09-17
NO169670B (en) 1992-04-13
BR8601023A (en) 1986-11-18
NO169670C (en) 1992-07-22
AU583354B2 (en) 1989-04-27
EP0194845B1 (en) 1991-01-02
AU5448986A (en) 1986-09-18
FI85517B (en) 1992-01-15
FI860973A0 (en) 1986-03-10
FI860973A (en) 1986-09-12

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