DE3676322D1 - Verfahren zur einengung von schwarzlauge. - Google Patents

Verfahren zur einengung von schwarzlauge.

Info

Publication number
DE3676322D1
DE3676322D1 DE8686301711T DE3676322T DE3676322D1 DE 3676322 D1 DE3676322 D1 DE 3676322D1 DE 8686301711 T DE8686301711 T DE 8686301711T DE 3676322 T DE3676322 T DE 3676322T DE 3676322 D1 DE3676322 D1 DE 3676322D1
Authority
DE
Germany
Prior art keywords
condensing
black lye
lye
black
condensing black
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 - Lifetime
Application number
DE8686301711T
Other languages
English (en)
Inventor
Tokiya Yaguchi
Shuichi Nagato
Kazushige Tanae
Akira Shimokura
Keiji Hasegawa
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.)
Ebara Corp
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
Application granted granted Critical
Publication of DE3676322D1 publication Critical patent/DE3676322D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/10—Concentrating spent liquor by evaporation
DE8686301711T 1985-03-11 1986-03-10 Verfahren zur einengung von schwarzlauge. Expired - Lifetime DE3676322D1 (de)

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 (1)

Publication Number Publication Date
DE3676322D1 true DE3676322D1 (de) 1991-02-07

Family

ID=27293117

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686301711T Expired - Lifetime DE3676322D1 (de) 1985-03-11 1986-03-10 Verfahren zur einengung von schwarzlauge.

Country Status (7)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1023900A (en) * 1998-11-06 2000-05-29 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 (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
JPS58126390A (ja) * 1982-01-16 1983-07-27 バブコツク日立株式会社 効率を高めた直接苛性化方法

Also Published As

Publication number Publication date
EP0194845A2 (de) 1986-09-17
NO169670B (no) 1992-04-13
FI85517C (fi) 1996-12-03
EP0194845B1 (de) 1991-01-02
EP0194845A3 (en) 1987-05-06
FI85517B (fi) 1992-01-15
BR8601023A (pt) 1986-11-18
NO860893L (no) 1986-09-12
NZ215420A (en) 1989-01-06
AU5448986A (en) 1986-09-18
NO169670C (no) 1992-07-22
FI860973A0 (fi) 1986-03-10
FI860973A (fi) 1986-09-12
AU583354B2 (en) 1989-04-27

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: EBARA CORP., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee