BR8601023A - Processo para a concentracao de um licor residual alcalino e aparelho para sua realizacao - Google Patents

Processo para a concentracao de um licor residual alcalino e aparelho para sua realizacao

Info

Publication number
BR8601023A
BR8601023A BR8601023A BR8601023A BR8601023A BR 8601023 A BR8601023 A BR 8601023A BR 8601023 A BR8601023 A BR 8601023A BR 8601023 A BR8601023 A BR 8601023A BR 8601023 A BR8601023 A BR 8601023A
Authority
BR
Brazil
Prior art keywords
appliance
realization
concentration
residual liquor
alkaline residual
Prior art date
Application number
BR8601023A
Other languages
English (en)
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 BR8601023A publication Critical patent/BR8601023A/pt

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
BR8601023A 1985-03-11 1986-03-10 Processo para a concentracao de um licor residual alcalino e aparelho para sua realizacao BR8601023A (pt)

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
BR8601023A true BR8601023A (pt) 1986-11-18

Family

ID=27293117

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8601023A BR8601023A (pt) 1985-03-11 1986-03-10 Processo para a concentracao de um licor residual alcalino e aparelho para sua realizacao

Country Status (7)

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

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
NO169670C (no) 1992-07-22
AU5448986A (en) 1986-09-18
FI85517C (fi) 1996-12-03

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Legal Events

Date Code Title Description
B22B Petition not considered [chapter 22.2 patent gazette]
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 10/03/2001