FI41101C - Menetelmä pyrolysoitaessa selluloosan jätelipeästä - Google Patents

Menetelmä pyrolysoitaessa selluloosan jätelipeästä

Info

Publication number
FI41101C
FI41101C FI600905A FI90560A FI41101C FI 41101 C FI41101 C FI 41101C FI 600905 A FI600905 A FI 600905A FI 90560 A FI90560 A FI 90560A FI 41101 C FI41101 C FI 41101C
Authority
FI
Finland
Prior art keywords
pyrolysis
cellulose
waste liquor
liquor
waste
Prior art date
Application number
FI600905A
Other languages
English (en)
Other versions
FI41101B (fi
Inventor
Bjoerkman Anders Erik Gustaf
Andersson Per Erik
Original Assignee
Billeruds 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 Billeruds Ab filed Critical Billeruds Ab
Publication of FI41101B publication Critical patent/FI41101B/fi
Application granted granted Critical
Publication of FI41101C publication Critical patent/FI41101C/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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor
FI600905A 1959-05-29 1960-05-27 Menetelmä pyrolysoitaessa selluloosan jätelipeästä FI41101C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE516959 1959-05-29
SE294760 1960-03-23

Publications (2)

Publication Number Publication Date
FI41101B FI41101B (fi) 1969-04-30
FI41101C true FI41101C (fi) 1969-08-11

Family

ID=26654392

Family Applications (1)

Application Number Title Priority Date Filing Date
FI600905A FI41101C (fi) 1959-05-29 1960-05-27 Menetelmä pyrolysoitaessa selluloosan jätelipeästä

Country Status (4)

Country Link
US (1) US3083077A (fi)
DE (1) DE1517155A1 (fi)
FI (1) FI41101C (fi)
FR (1) FR1317207A (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3236589A (en) * 1961-02-03 1966-02-22 Reinhall Rolf Bertil Method of working up cellulose waste liquor containing sodium and sulfur
FI41102C (fi) * 1962-11-01 1969-08-11 Billeruds Ab Menetelmä kemikaalien talteenottamiseksi mustalipeästä
NL300131A (fi) * 1962-11-15
US3331732A (en) * 1962-12-17 1967-07-18 Mo Och Domsjoe Ab Method of removing hydrogen sulfide from an aqueous solution of alkali sulfide
FR1425104A (fr) * 1964-02-26 1966-01-14 Billeruds Ab Procédé de récupération de soude à partir de liqueur de cellulose épuisée, à base de sodium
US3402997A (en) * 1964-03-25 1968-09-24 Armour Agricult Chem Concentrating and separating impuritycontaining phosphoric acids
US3322492A (en) * 1964-07-31 1967-05-30 Little Inc A Kraft black liquor recovery
US3365268A (en) * 1964-08-19 1968-01-23 Pulp Paper Res Inst Production of ammonia from the organic materials present in spent pulping liquors with the simultaneous recovery of the pulping base and sulphur values present in said liquors
US3323858A (en) * 1964-08-21 1967-06-06 Lummus Co Process for recovering the alkali metal content of spent pulping liquor
EP0091948A4 (en) * 1981-10-26 1984-02-07 Rockwell International Corp PROCESS FOR PRODUCING SULFIDES BY FLOWING A MELTING LAYER.
SE465731B (sv) * 1990-02-07 1991-10-21 Kamyr Ab Utvinning av energi och kemikalier ur massaavlutar under exponering av laagfrekvent ljud
SE9001957L (sv) * 1990-05-31 1991-12-01 Chemrec Ab Rening av processgas fraan partiell foerbraenning av svartlut
SE535117C2 (sv) * 2010-03-30 2012-04-17 Chemrec Ab Förgasning av sulfittjocklut

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2261995A (en) * 1938-07-08 1941-11-11 John E Greenawalt Method of burning black liquor
BE485189A (fi) * 1947-10-08

Also Published As

Publication number Publication date
US3083077A (en) 1963-03-26
FI41101B (fi) 1969-04-30
FR1317207A (fr) 1963-02-08
DE1517155A1 (de) 1969-04-24

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