CA1324865C - Method for recovering chemicals from spent pulp liquors - Google Patents

Method for recovering chemicals from spent pulp liquors

Info

Publication number
CA1324865C
CA1324865C CA000567585A CA567585A CA1324865C CA 1324865 C CA1324865 C CA 1324865C CA 000567585 A CA000567585 A CA 000567585A CA 567585 A CA567585 A CA 567585A CA 1324865 C CA1324865 C CA 1324865C
Authority
CA
Canada
Prior art keywords
energy
gas
reactor
spent
alkali
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
CA000567585A
Other languages
English (en)
French (fr)
Inventor
Sven Santen
Sven Eriksson
Lars Stigsson
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.)
Chemrec AB
Original Assignee
Chemrec AB
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 Chemrec AB filed Critical Chemrec AB
Application granted granted Critical
Publication of CA1324865C publication Critical patent/CA1324865C/en
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
    • D21C11/12—Combustion of pulp liquors
    • D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis

Landscapes

  • Paper (AREA)
CA000567585A 1987-06-25 1988-05-25 Method for recovering chemicals from spent pulp liquors Expired - Lifetime CA1324865C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8702627-4 1987-06-25
SE8702627A SE464921B (sv) 1987-06-25 1987-06-25 Saett att aatervinna kemikalier ur massaavlutar

Publications (1)

Publication Number Publication Date
CA1324865C true CA1324865C (en) 1993-12-07

Family

ID=20368972

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000567585A Expired - Lifetime CA1324865C (en) 1987-06-25 1988-05-25 Method for recovering chemicals from spent pulp liquors

Country Status (5)

Country Link
JP (1) JPS646191A (fi)
CN (1) CN1030107A (fi)
CA (1) CA1324865C (fi)
FI (1) FI85994B (fi)
SE (1) SE464921B (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9300199L (sv) * 1993-01-25 1994-07-26 Kvaerner Pulping Tech Metod vid återvinning av cellulosaavlutar
US7494637B2 (en) 2000-05-16 2009-02-24 Massachusetts Institute Of Technology Thermal conversion of biomass to valuable fuels, chemical feedstocks and chemicals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE454188B (sv) * 1984-10-19 1988-04-11 Skf Steel Eng Ab Sett att atervinna kemikalier ur massaavlutar

Also Published As

Publication number Publication date
FI85994B (fi) 1992-03-13
SE8702627D0 (sv) 1987-06-25
CN1030107A (zh) 1989-01-04
FI881088A0 (fi) 1988-03-09
SE464921B (sv) 1991-07-01
SE8702627L (sv) 1988-12-26
FI881088A (fi) 1988-12-26
JPS646191A (en) 1989-01-10

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Effective date: 20101207