FI860279A0 - Kemikalieaotervinning av massaavlutar. - Google Patents

Kemikalieaotervinning av massaavlutar.

Info

Publication number
FI860279A0
FI860279A0 FI860279A FI860279A FI860279A0 FI 860279 A0 FI860279 A0 FI 860279A0 FI 860279 A FI860279 A FI 860279A FI 860279 A FI860279 A FI 860279A FI 860279 A0 FI860279 A0 FI 860279A0
Authority
FI
Finland
Prior art keywords
massaavlutar
kemikalieaotervinning
Prior art date
Application number
FI860279A
Other languages
English (en)
Other versions
FI860279A (fi
FI77277C (fi
FI77277B (fi
Inventor
Sven Santen
Sven Eriksson
Ragnar Bernhard
Original Assignee
Skf Steel Eng 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20359633&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI860279(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Skf Steel Eng Ab filed Critical Skf Steel Eng Ab
Publication of FI860279A0 publication Critical patent/FI860279A0/fi
Publication of FI860279A publication Critical patent/FI860279A/fi
Application granted granted Critical
Publication of FI77277B publication Critical patent/FI77277B/fi
Publication of FI77277C publication Critical patent/FI77277C/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
    • 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
    • D21C11/103—Evaporation by direct contact with gases, e.g. hot flue gases
    • 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
FI860279A 1985-03-26 1986-01-21 Kemikalieaotervinning av massaavlutar. FI77277C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8501465A SE447400B (sv) 1985-03-26 1985-03-26 Sett och anordning for kemikalieatervinning av massaavlutar i konventionell sodapanna
SE8501465 1985-03-26

Publications (4)

Publication Number Publication Date
FI860279A0 true FI860279A0 (fi) 1986-01-21
FI860279A FI860279A (fi) 1986-09-27
FI77277B FI77277B (fi) 1988-10-31
FI77277C FI77277C (fi) 1989-02-10

Family

ID=20359633

Family Applications (1)

Application Number Title Priority Date Filing Date
FI860279A FI77277C (fi) 1985-03-26 1986-01-21 Kemikalieaotervinning av massaavlutar.

Country Status (8)

Country Link
US (1) US4710269A (fi)
CA (1) CA1275761C (fi)
ES (1) ES8705941A1 (fi)
FI (1) FI77277C (fi)
FR (1) FR2579639B1 (fi)
NZ (1) NZ214981A (fi)
PT (1) PT81977B (fi)
SE (1) SE447400B (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE465039B (sv) * 1989-11-23 1991-07-15 Chemrec Ab Saett att framstaella koklutar med hoeg sulfiditet foer sulfatmassakokning
US5405496A (en) * 1989-11-23 1995-04-11 Chemrec Ab Process for the preparation of cooking liquors having high sulphidity for sulphate pulp cooking
FI102395B1 (fi) * 1991-11-26 1998-11-30 Ahlstrom Machinery Oy Menetelmä energian talteenottamiseksi selluprosessien jäteliemistä
FI934028A (fi) * 1993-09-14 1995-03-15 Valtion Teknillinen Jatkuvatoiminen menetelmä ja laite seeluloosavalmistuksen prosessijätteiden sisältämän energian hyödyntämiseksi
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 (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1074965B (de) * 1956-05-24 1960-02-04 Esso Research And Engineering Company, Elizabeth, N. J. (V. St. A.) Verfahren zum Trocknen von Zellstoffablaugen
FR1443423A (fr) * 1964-05-22 1966-06-24 Submerged Comb Procédé et appareil de chauffage, d'évaporation et de concentration
US3666619A (en) * 1969-04-08 1972-05-30 Calcasieu Paper Co Inc Kraft pulp and paper recovery process
US3674630A (en) * 1969-11-14 1972-07-04 Copeland Systems Inc Kraft liquor recovery system including physically isolated oxidation and reduction stages
SE378119B (fi) * 1972-04-04 1975-08-18 Angpanneforeningen
DE2506971C2 (de) * 1975-02-19 1982-04-08 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur Konzentrierung hochviskoser Zellstoffablaugen
US4011129A (en) * 1975-04-11 1977-03-08 Domtar Limited Pulp mill recovery system
US4135968A (en) * 1976-04-09 1979-01-23 Weyerhaeuser Company Spent liquor treatment
US4439272A (en) * 1982-01-13 1984-03-27 Nguyen Xuan T Pulp mill residual liquor recovery process
SE448007B (sv) * 1983-04-21 1987-01-12 Skf Steel Eng Ab Forfarande och anordning for atervinning av kemikalier ur massaavlut

Also Published As

Publication number Publication date
ES551239A0 (es) 1987-05-16
FI860279A (fi) 1986-09-27
US4710269A (en) 1987-12-01
SE447400B (sv) 1986-11-10
CA1275761C (en) 1990-11-06
FI77277C (fi) 1989-02-10
FI77277B (fi) 1988-10-31
FR2579639B1 (fr) 1994-07-22
NZ214981A (en) 1988-02-29
SE8501465D0 (sv) 1985-03-26
PT81977A (en) 1986-03-01
PT81977B (pt) 1993-01-29
SE8501465L (sv) 1986-09-27
ES8705941A1 (es) 1987-05-16
FR2579639A1 (fr) 1986-10-03

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: CHEMREC AKTIEBOLAG