FI85517C - Foerfarande och apparat foer koncentrering av avlut - Google Patents

Foerfarande och apparat foer koncentrering av avlut Download PDF

Info

Publication number
FI85517C
FI85517C FI860973A FI860973A FI85517C FI 85517 C FI85517 C FI 85517C FI 860973 A FI860973 A FI 860973A FI 860973 A FI860973 A FI 860973A FI 85517 C FI85517 C FI 85517C
Authority
FI
Finland
Prior art keywords
gas
black liquor
effluent
liquor
concentrating
Prior art date
Application number
FI860973A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI85517B (fi
FI860973A (fi
FI860973A0 (fi
Inventor
Tokiya Yaguchi
Shuichi Nagato
Kazushige Tanae
Akira Shimokura
Keiji Hasegawa
Original Assignee
Ebara Corp
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 Ebara Corp filed Critical Ebara Corp
Publication of FI860973A0 publication Critical patent/FI860973A0/fi
Publication of FI860973A publication Critical patent/FI860973A/fi
Application granted granted Critical
Publication of FI85517B publication Critical patent/FI85517B/fi
Publication of FI85517C publication Critical patent/FI85517C/fi

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

Landscapes

  • Paper (AREA)
  • Saccharide Compounds (AREA)
  • Treating Waste Gases (AREA)
FI860973A 1985-03-11 1986-03-10 Foerfarande och apparat foer koncentrering av avlut FI85517C (fi)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP4787685 1985-03-11
JP4787685 1985-03-11
JP11863685 1985-05-31
JP11863685A JPS61282493A (ja) 1985-05-31 1985-05-31 黒液濃縮装置
JP17549785 1985-08-09
JP60175497A JPS6241390A (ja) 1985-08-09 1985-08-09 黒液濃縮方法および装置

Publications (4)

Publication Number Publication Date
FI860973A0 FI860973A0 (fi) 1986-03-10
FI860973A FI860973A (fi) 1986-09-12
FI85517B FI85517B (fi) 1992-01-15
FI85517C true FI85517C (fi) 1996-12-03

Family

ID=27293117

Family Applications (1)

Application Number Title Priority Date Filing Date
FI860973A FI85517C (fi) 1985-03-11 1986-03-10 Foerfarande och apparat foer koncentrering av 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 (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
AU583354B2 (en) 1989-04-27
DE3676322D1 (de) 1991-02-07
AU5448986A (en) 1986-09-18
EP0194845B1 (en) 1991-01-02
EP0194845A3 (en) 1987-05-06
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
FG Patent granted

Owner name: EBARA CORPORATION

MA Patent expired