ES2014946A6 - Aparato y metodo de tratamiento de licor negro. - Google Patents

Aparato y metodo de tratamiento de licor negro.

Info

Publication number
ES2014946A6
ES2014946A6 ES8903096A ES8903096A ES2014946A6 ES 2014946 A6 ES2014946 A6 ES 2014946A6 ES 8903096 A ES8903096 A ES 8903096A ES 8903096 A ES8903096 A ES 8903096A ES 2014946 A6 ES2014946 A6 ES 2014946A6
Authority
ES
Spain
Prior art keywords
black liquor
treating black
burned
treating
evaporated
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 - Fee Related
Application number
ES8903096A
Other languages
English (en)
Inventor
Rolf Ryham
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.)
Ahlstrom Corp
Original Assignee
Ahlstrom 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
Application filed by Ahlstrom Corp filed Critical Ahlstrom Corp
Publication of ES2014946A6 publication Critical patent/ES2014946A6/es
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Landscapes

  • Paper (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

APARATO Y METODO PARA EL SECADO DE LICOR NEGRO A UN CONTENIDO DE SOLIDOS SECOS DE ALREDEDOR DE 100%, EN EL CUAL, EL AGUA ES EVAPORADA DEL LICOR NEGRO MEDIANTE INTERCAMBIO DE CALOR POR CONTACTO DIRECTO CON EL FUNDIDO CALIENTE DE UN HORNO DE RECUPERACION EN EL CUAL EL LICOR NEGRO SECO ES QUEMADO.
ES8903096A 1988-09-15 1989-09-12 Aparato y metodo de tratamiento de licor negro. Expired - Fee Related ES2014946A6 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/244,996 US5133831A (en) 1988-09-15 1988-09-15 Method of concentrating black liquor by evaporation

Publications (1)

Publication Number Publication Date
ES2014946A6 true ES2014946A6 (es) 1990-07-16

Family

ID=22924914

Family Applications (1)

Application Number Title Priority Date Filing Date
ES8903096A Expired - Fee Related ES2014946A6 (es) 1988-09-15 1989-09-12 Aparato y metodo de tratamiento de licor negro.

Country Status (9)

Country Link
US (1) US5133831A (es)
EP (1) EP0389596A1 (es)
JP (1) JPH03501144A (es)
BR (1) BR8907090A (es)
CA (1) CA1333840C (es)
ES (1) ES2014946A6 (es)
FI (1) FI97735C (es)
PT (1) PT91722A (es)
WO (1) WO1990002838A1 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI962758A (fi) * 1996-07-05 1998-01-06 Ahlstrom Machinery Oy Menetelmä ja järjestelmä mustalipeän käsittelemiseksi

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE396261C (de) * 1922-12-28 1924-05-27 Emil Eisenbeiss Verfahren zum UEberfuehren von Sulfitablauge in trockenem Zustand
US1779536A (en) * 1929-04-01 1930-10-28 Edward G Goodell Method of dehydrating black liquor
US1900506A (en) * 1930-11-07 1933-03-07 Ralph W Kumler Process of destructively distilling black liquor
US2056266A (en) * 1933-06-17 1936-10-06 Edward G Goodell Apparatus and process for waste liquor recovery
US2755749A (en) * 1951-07-27 1956-07-24 Smith Corp A O Method and apparatus for the disposal of waste sulphite liquor
DE1074965B (de) * 1956-05-24 1960-02-04 Esso Research And Engineering Company, Elizabeth, N. J. (V. St. A.) Verfahren zum Trocknen von Zellstoffablaugen
US3299942A (en) * 1964-06-29 1967-01-24 Jacoby Process Equipment Co In Method and apparatus for the concentration of liquids
US3296064A (en) * 1965-05-04 1967-01-03 William T Neiman Method of treating cellulosic pulping waste liquors with magnesium oxide to form a complex prior to burning thereof
US3635790A (en) * 1969-07-02 1972-01-18 Dorr Oliver Inc Process for the thermal oxidation of spent liquor
US3703919A (en) * 1970-10-22 1972-11-28 Combustion Eng Supplementary air cascade evaporation
US4085688A (en) * 1975-12-17 1978-04-25 Clive Richard Smith Treatment of effluent
US4363698A (en) * 1980-06-27 1982-12-14 Combustion Engineering, Inc. Method for drying and burning viscous aqueous liquors which contain organics
US4347220A (en) * 1980-06-27 1982-08-31 Combustion Engineering, Inc. System for drying and burning viscous aqueous liquors which contain organics
CA1158003A (en) * 1980-11-17 1983-12-06 Albert J. Liem Pulp mill recovery

Also Published As

Publication number Publication date
FI902306A0 (fi) 1990-05-08
JPH0437198B2 (es) 1992-06-18
EP0389596A1 (en) 1990-10-03
JPH03501144A (ja) 1991-03-14
PT91722A (pt) 1990-03-30
CA1333840C (en) 1995-01-10
BR8907090A (pt) 1991-01-08
WO1990002838A1 (en) 1990-03-22
FI97735C (fi) 1997-02-10
FI97735B (fi) 1996-10-31
US5133831A (en) 1992-07-28

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20001009