FI117563B - Produktion av polysulfid genom elektrolys av vitlut innehållande sulfid - Google Patents

Produktion av polysulfid genom elektrolys av vitlut innehållande sulfid Download PDF

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Publication number
FI117563B
FI117563B FI956205A FI956205A FI117563B FI 117563 B FI117563 B FI 117563B FI 956205 A FI956205 A FI 956205A FI 956205 A FI956205 A FI 956205A FI 117563 B FI117563 B FI 117563B
Authority
FI
Finland
Prior art keywords
anode
att
cathode
white liquor
compartment
Prior art date
Application number
FI956205A
Other languages
English (en)
Finnish (fi)
Other versions
FI956205A (sv
FI956205A0 (sv
Inventor
Johan Landfors
Maria Norell
Bo Haakansson
Original Assignee
Eka Chemicals 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 Eka Chemicals Ab filed Critical Eka Chemicals Ab
Publication of FI956205A publication Critical patent/FI956205A/sv
Publication of FI956205A0 publication Critical patent/FI956205A0/sv
Application granted granted Critical
Publication of FI117563B publication Critical patent/FI117563B/sv

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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
    • D21C11/0042—Fractionating or concentration of spent liquors by special methods
    • 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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
    • 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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
FI956205A 1993-06-28 1995-12-22 Produktion av polysulfid genom elektrolys av vitlut innehållande sulfid FI117563B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9302213A SE501204C2 (sv) 1993-06-28 1993-06-28 Framställning av polysulfid genom elektrolys av vitlut som innehåller sulfid
SE9302213 1993-06-28
SE9400526 1994-06-01
PCT/SE1994/000526 WO1995000701A1 (en) 1993-06-28 1994-06-01 Production of polysulphide by electrolysis of white liquor containing sulphide

Publications (3)

Publication Number Publication Date
FI956205A FI956205A (sv) 1995-12-22
FI956205A0 FI956205A0 (sv) 1995-12-22
FI117563B true FI117563B (sv) 2006-11-30

Family

ID=20390427

Family Applications (1)

Application Number Title Priority Date Filing Date
FI956205A FI117563B (sv) 1993-06-28 1995-12-22 Produktion av polysulfid genom elektrolys av vitlut innehållande sulfid

Country Status (9)

Country Link
US (1) US5624545A (sv)
JP (1) JP2864168B2 (sv)
AU (1) AU7086894A (sv)
BR (1) BR9406830A (sv)
CA (1) CA2166083C (sv)
FI (1) FI117563B (sv)
NZ (1) NZ268111A (sv)
SE (1) SE501204C2 (sv)
WO (1) WO1995000701A1 (sv)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5536384A (en) * 1995-02-14 1996-07-16 Pulp And Paper Research Institute Of Canada Separation of sulphides from pulping liquors by electrodialysis
US5653861A (en) * 1995-04-06 1997-08-05 Eka Nobel Ab Electrochemical process
AU2407897A (en) * 1996-04-26 1997-11-19 Asahi Glass Company Limited Method for producing polysulfides by electrolytic oxidation
DE19742748A1 (de) * 1997-09-27 1999-04-01 Degussa Verfahren zum Delignifizieren und Bleichen von Zellstoffen unter Verwendung elektrochemisch oxidierbarer organischer Verbindungen
US6132590A (en) * 1998-01-09 2000-10-17 Huron Tech Corp Electrolytic process for treating aqueous waste streams
US6319358B1 (en) 1998-05-29 2001-11-20 Institue Of Paper Science And Technology Inc. Electrolytic causticizing of smelt from a kraft recovery furnace
JP4187826B2 (ja) * 1998-05-29 2008-11-26 川崎化成工業株式会社 電解酸化による多硫化物の製造方法
JP4312869B2 (ja) * 1999-02-26 2009-08-12 旭硝子株式会社 電解酸化を用いた多硫化物の製造方法
JP2000247611A (ja) * 1999-02-26 2000-09-12 Asahi Glass Co Ltd 電解酸化による多硫化物の製造方法
JP4230612B2 (ja) * 1999-05-28 2009-02-25 日本製紙株式会社 クラフト法パルプ製造プロセスにおける薬品回収方法
JP4704639B2 (ja) * 1999-06-15 2011-06-15 川崎化成工業株式会社 パルプ蒸解方法
EP1132684A3 (en) * 2000-03-10 2002-05-02 L'air Liquide, S.A. à Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procédés Georges Claude Method and system for lancing gas into an environment with variable entrainment of non-lanced gas
US6866748B2 (en) 2001-06-15 2005-03-15 American Air Liquide, Inc. Process for preparing polysulfides using clarified white liquor
US6875414B2 (en) 2002-01-14 2005-04-05 American Air Liquide, Inc. Polysulfide measurement methods using colormetric techniques
US20040134794A1 (en) * 2002-10-22 2004-07-15 Sundaram V S Meenakshi Systems and methods for generating polysulfides
WO2007008591A2 (en) * 2005-07-07 2007-01-18 Applied Intellectual Capital Methods and apparatus for generating oxidizing agents
EP1767671B1 (en) 2005-09-26 2012-05-02 CHLORINE ENGINEERS CORP., Ltd. Three-dimensional electrode for electrolysis, ion exchange membrane electrolytic cell and method of electrolysis using the three-dimensional electrode
JP4975402B2 (ja) * 2006-09-06 2012-07-11 クロリンエンジニアズ株式会社 電解方法
WO2010137535A1 (ja) 2009-05-26 2010-12-02 日本製紙株式会社 リグノセルロース材料の蒸解法
WO2011069192A1 (en) * 2009-12-08 2011-06-16 The University Of Queensland Treatment of sulfide containing material
WO2012097167A2 (en) * 2011-01-12 2012-07-19 Ceramatec, Inc. Electrochemical production of hydrogen
US9951432B2 (en) * 2012-10-01 2018-04-24 Nippon Paper Industries Co., Ltd. Continuous electrolysis method with electrolytic bath for polysulfide production and electrolysis device for implementing the same
SE538784C2 (sv) * 2015-04-09 2016-11-22 Valmet Oy Method for polysulfide production in a kraft pulp mill
WO2016201585A1 (en) 2015-06-19 2016-12-22 Bio-H2-Gen Inc. Method for producing hydrogen gas from aqueous hydrogen sulphide
US20180141836A1 (en) * 2016-11-16 2018-05-24 Bo Hu Electrochemical removal of sulfide species and phosphorus species

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE160736C1 (sv) *
US3249522A (en) * 1965-02-23 1966-05-03 Socony Mobil Oil Co Inc Electrochemical oxidation of hydrogen sulfide
US3409520A (en) * 1965-09-23 1968-11-05 Mobil Oil Corp Removal of hydrogen sulfide from a hydrogen sulfide-hydrocarbon gas mixture by electrolysis
US4024229A (en) * 1970-11-06 1977-05-17 The Mead Corporation Production of polysulfide with PTFE coated catalyst
US4519881A (en) * 1984-06-25 1985-05-28 Standard Oil Company (Indiana) Regeneration of alkaline treating agents
US4717450A (en) * 1985-08-19 1988-01-05 University Of British Columbia Removal of chloride from process solutions
US4765873A (en) * 1985-12-06 1988-08-23 The Dow Chemical Company Continuous process for the removal of hydrogen sulfide from a gaseous stream
US5082526A (en) * 1989-01-23 1992-01-21 Pulp And Paper Research Institute Of Canada Process of producing kraft pulping liquor by the oxidation of white liquor in the presence of lime mud
CA1335976C (en) * 1989-05-31 1995-06-20 Mahmoud Kamran Azarniouch Recovery of naoh and other values from spent liquors and bleach plant effluents

Also Published As

Publication number Publication date
JP2864168B2 (ja) 1999-03-03
FI956205A (sv) 1995-12-22
BR9406830A (pt) 1996-04-02
WO1995000701A1 (en) 1995-01-05
AU7086894A (en) 1995-01-17
CA2166083C (en) 2000-09-05
US5624545A (en) 1997-04-29
SE9302213L (sv) 1994-12-05
NZ268111A (en) 1996-06-25
CA2166083A1 (en) 1995-01-05
SE9302213D0 (sv) 1993-06-28
FI956205A0 (sv) 1995-12-22
JPH08512099A (ja) 1996-12-17
SE501204C2 (sv) 1994-12-05

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