FI780291A - Behandling av svartlut - Google Patents

Behandling av svartlut

Info

Publication number
FI780291A
FI780291A FI780291A FI780291A FI780291A FI 780291 A FI780291 A FI 780291A FI 780291 A FI780291 A FI 780291A FI 780291 A FI780291 A FI 780291A FI 780291 A FI780291 A FI 780291A
Authority
FI
Finland
Prior art keywords
svartlut
behandling
Prior art date
Application number
FI780291A
Other languages
English (en)
Inventor
Gerrit G Dehaas
Original Assignee
Weyerhaeuser Co
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 US05/764,307 external-priority patent/US4135968A/en
Application filed by Weyerhaeuser Co filed Critical Weyerhaeuser Co
Publication of FI780291A publication Critical patent/FI780291A/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
    • D21C11/12—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/10—Biofuels, e.g. bio-diesel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00—Technologies for the production of fuel of non-fossil origin
    • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
FI780291A 1977-01-31 1978-01-30 Behandling av svartlut FI780291A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/764,307 US4135968A (en) 1976-04-09 1977-01-31 Spent liquor treatment

Publications (1)

Publication Number Publication Date
FI780291A true FI780291A (fi) 1978-08-01

Family

ID=25070327

Family Applications (1)

Application Number Title Priority Date Filing Date
FI780291A FI780291A (fi) 1977-01-31 1978-01-30 Behandling av svartlut

Country Status (3)

Country Link
JP (1) JPS5395875A (fi)
FI (1) FI780291A (fi)
SE (1) SE7800878L (fi)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57143592A (en) * 1980-10-15 1982-09-04 Oji Paper Co Treatment of alkaline pulp waste liquid containing sulfur compound
BR112017005647B1 (pt) * 2014-09-22 2021-12-28 Huntsman International Llc Processo para tratamento de licor negro

Also Published As

Publication number Publication date
SE7800878L (sv) 1978-08-01
JPS5395875A (en) 1978-08-22

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Legal Events

Date Code Title Description
FA Application withdrawn [patent]

Owner name: WEYERHAEUSER COMPANY