SE0402707D0 - Förfarande för återvinning av svavel i en process för framställning av massa - Google Patents

Förfarande för återvinning av svavel i en process för framställning av massa

Info

Publication number
SE0402707D0
SE0402707D0 SE0402707A SE0402707A SE0402707D0 SE 0402707 D0 SE0402707 D0 SE 0402707D0 SE 0402707 A SE0402707 A SE 0402707A SE 0402707 A SE0402707 A SE 0402707A SE 0402707 D0 SE0402707 D0 SE 0402707D0
Authority
SE
Sweden
Prior art keywords
pulp
sulfur
recovery
production
bisulphate
Prior art date
Application number
SE0402707A
Other languages
English (en)
Other versions
SE0402707L (sv
SE530462C2 (sv
Inventor
Aarto Paren
Jukka Viitasaari
Juhani Nyman
Original Assignee
Kemira Oyj
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=8565921&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE0402707(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kemira Oyj filed Critical Kemira Oyj
Publication of SE0402707L publication Critical patent/SE0402707L/sv
Publication of SE0402707D0 publication Critical patent/SE0402707D0/sv
Publication of SE530462C2 publication Critical patent/SE530462C2/sv

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
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
    • 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
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11B—PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES
    • C11B13/00—Recovery of fats, fatty oils or fatty acids from waste materials
    • C11B13/02—Recovery of fats, fatty oils or fatty acids from waste materials from soap stock
    • 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
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/74—Recovery of fats, fatty oils, fatty acids or other fatty substances, e.g. lanolin or waxes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
SE0402707A 2003-04-03 2004-11-08 Förfarande för återvinning av svavel i en kemisk massaprocess innefattande en oxidation av bisulfit till bisulfat som sedan används för spjälkning av tallolja eller som råvara vid framställningen av magnesiumsulfat SE530462C2 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20030510A FI116074B3 (sv) 2003-04-03 2003-04-03 Återvinning av svavel i en sulfatcellulosaprocess
PCT/FI2004/000208 WO2004088032A2 (en) 2003-04-03 2004-04-02 Method for recycling sulphur in a pulp production process

Publications (3)

Publication Number Publication Date
SE0402707L SE0402707L (sv) 2004-11-08
SE0402707D0 true SE0402707D0 (sv) 2004-11-08
SE530462C2 SE530462C2 (sv) 2008-06-10

Family

ID=8565921

Family Applications (2)

Application Number Title Priority Date Filing Date
SE0402705A SE530461C2 (sv) 2003-04-03 2004-11-08 Förfarande för återvinning av svavel i en process för framställning av kemisk massa, särskilt en sulfatprocess, liksom användningen av återvunna produkter som erhållits med hjälp av förfarandet för att framställa tallolja och magnesiumsulfat med utnyttjande av det återvunna svavlet för processen
SE0402707A SE530462C2 (sv) 2003-04-03 2004-11-08 Förfarande för återvinning av svavel i en kemisk massaprocess innefattande en oxidation av bisulfit till bisulfat som sedan används för spjälkning av tallolja eller som råvara vid framställningen av magnesiumsulfat

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE0402705A SE530461C2 (sv) 2003-04-03 2004-11-08 Förfarande för återvinning av svavel i en process för framställning av kemisk massa, särskilt en sulfatprocess, liksom användningen av återvunna produkter som erhållits med hjälp av förfarandet för att framställa tallolja och magnesiumsulfat med utnyttjande av det återvunna svavlet för processen

Country Status (3)

Country Link
FI (1) FI116074B3 (sv)
SE (2) SE530461C2 (sv)
WO (2) WO2004088032A2 (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI126649B (sv) * 2010-06-07 2017-03-31 Aalto Univ Found Nytt förfarande för framställning av mikrocellulosa
EP2527532A1 (en) * 2011-05-27 2012-11-28 "Efa Gryt" Ewa Gryt Method of processing of stalks of fibre crops

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE319962B (sv) * 1968-05-10 1970-01-26 Mo Och Domsjoe Ab
US3733395A (en) * 1971-04-07 1973-05-15 Hooker Chemical Corp Process for producing chlorine dioxide,chlorine and a neutral sulfate salt in the sulfate or kraft process of preparing wood pulp
DE2516342A1 (de) * 1975-04-15 1976-10-28 Bayer Ag Verfahren zur katalytischen oxydation von sulfithaltigen loesungen zu sulfathaltigen loesungen
SE411772B (sv) * 1978-04-07 1980-02-04 Sca Development Ab Sett for minskning av utsleppen till recipient och atmosfer vid uppslutning av cellulosahaltigt material
DK130587A (da) * 1987-03-13 1988-09-14 Dansk Biolog Produktion Amba Fremgangsmaade til afsvovling af roeggasser
SE9202419D0 (sv) * 1992-08-24 1992-08-24 Eka Nobel Ab Reduction of chloride in pulping chemical recovery systems
FI95723C (sv) * 1992-11-10 1996-04-11 Lt Dynamics Oy Förfarande för surgöring av såpa med en stor överdosering av NaHSO3-lösning

Also Published As

Publication number Publication date
FI20030510A (sv) 2004-10-04
SE530461C2 (sv) 2008-06-10
SE0402707L (sv) 2004-11-08
FI116074B (sv) 2005-09-15
FI116074B3 (sv) 2014-06-23
WO2004088033A3 (en) 2005-01-06
SE530462C2 (sv) 2008-06-10
SE0402705L (sv) 2004-11-08
WO2004088032A2 (en) 2004-10-14
WO2004088032A3 (en) 2004-11-25
WO2004088033A2 (en) 2004-10-14
SE0402705D0 (sv) 2004-11-08
FI20030510A0 (sv) 2003-04-03

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