AU583354B2 - A process for concentrating a waste liquor and an apparatus therefor - Google Patents

A process for concentrating a waste liquor and an apparatus therefor

Info

Publication number
AU583354B2
AU583354B2 AU54489/86A AU5448986A AU583354B2 AU 583354 B2 AU583354 B2 AU 583354B2 AU 54489/86 A AU54489/86 A AU 54489/86A AU 5448986 A AU5448986 A AU 5448986A AU 583354 B2 AU583354 B2 AU 583354B2
Authority
AU
Australia
Prior art keywords
concentrating
apparatus therefor
waste liquor
liquor
waste
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.)
Ceased
Application number
AU54489/86A
Other languages
English (en)
Other versions
AU5448986A (en
Inventor
Keiji Hasegawa
Shuichi Nagato
Akira Shimokura
Kazushige Tanae
Tokiya Yaguchi
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
Research Association of Pulp and Paper Technology
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 Research Association of Pulp and Paper Technology filed Critical Research Association of Pulp and Paper Technology
Publication of AU5448986A publication Critical patent/AU5448986A/en
Application granted granted Critical
Publication of AU583354B2 publication Critical patent/AU583354B2/en
Assigned to EBARA CORPORATION reassignment EBARA CORPORATION Alteration of Name(s) in Register under S187 Assignors: RESEARCH ASSOCIATION OF PULP AND PAPER TECHNOLOGY
Anticipated expiration legal-status Critical
Ceased 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
AU54489/86A 1985-03-11 1986-03-11 A process for concentrating a waste liquor and an apparatus therefor Ceased AU583354B2 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP60-47876 1985-03-11
JP4787685 1985-03-11
JP60-118636 1985-05-31
JP11863685A JPS61282493A (ja) 1985-05-31 1985-05-31 黒液濃縮装置
JP60-175497 1985-08-09
JP60175497A JPS6241390A (ja) 1985-08-09 1985-08-09 黒液濃縮方法および装置

Publications (2)

Publication Number Publication Date
AU5448986A AU5448986A (en) 1986-09-18
AU583354B2 true AU583354B2 (en) 1989-04-27

Family

ID=27293117

Family Applications (1)

Application Number Title Priority Date Filing Date
AU54489/86A Ceased AU583354B2 (en) 1985-03-11 1986-03-11 A process for concentrating a waste liquor and an apparatus therefor

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 (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
NO860893L (no) 1986-09-12
DE3676322D1 (de) 1991-02-07
AU5448986A (en) 1986-09-18
EP0194845B1 (en) 1991-01-02
EP0194845A3 (en) 1987-05-06
FI85517C (fi) 1996-12-03
FI85517B (fi) 1992-01-15
FI860973A (fi) 1986-09-12
FI860973A0 (fi) 1986-03-10
BR8601023A (pt) 1986-11-18
EP0194845A2 (en) 1986-09-17
NO169670B (no) 1992-04-13
NZ215420A (en) 1989-01-06
NO169670C (no) 1992-07-22

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired