DE69118120D1 - Verfahren zur Entfernung von Chlorat aus einer wässrigen Natriumchloridlösung - Google Patents

Verfahren zur Entfernung von Chlorat aus einer wässrigen Natriumchloridlösung

Info

Publication number
DE69118120D1
DE69118120D1 DE69118120T DE69118120T DE69118120D1 DE 69118120 D1 DE69118120 D1 DE 69118120D1 DE 69118120 T DE69118120 T DE 69118120T DE 69118120 T DE69118120 T DE 69118120T DE 69118120 D1 DE69118120 D1 DE 69118120D1
Authority
DE
Germany
Prior art keywords
chlorate
removal
sodium chloride
aqueous sodium
chloride solution
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69118120T
Other languages
English (en)
Other versions
DE69118120T2 (de
Inventor
Kengo Okajima
Hiroyuki Wakamatsu
Sadakatsu Kumoi
Tsugio Murakami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tosoh Corp
Original Assignee
Tosoh Corp
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 JP03322413A external-priority patent/JP3097241B2/ja
Application filed by Tosoh Corp filed Critical Tosoh Corp
Publication of DE69118120D1 publication Critical patent/DE69118120D1/de
Application granted granted Critical
Publication of DE69118120T2 publication Critical patent/DE69118120T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00—Halides of sodium, potassium or alkali metals in general
    • C01D3/14—Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
DE69118120T 1990-11-28 1991-11-27 Verfahren zur Entfernung von Chlorat aus einer wässrigen Natriumchloridlösung Expired - Fee Related DE69118120T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP32235390 1990-11-28
JP03322413A JP3097241B2 (ja) 1990-11-28 1991-11-12 塩化アルカリ水溶液中の塩素酸塩の除去方法

Publications (2)

Publication Number Publication Date
DE69118120D1 true DE69118120D1 (de) 1996-04-25
DE69118120T2 DE69118120T2 (de) 1996-08-29

Family

ID=26570777

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118120T Expired - Fee Related DE69118120T2 (de) 1990-11-28 1991-11-27 Verfahren zur Entfernung von Chlorat aus einer wässrigen Natriumchloridlösung

Country Status (3)

Country Link
US (1) US5279717A (de)
EP (1) EP0488251B1 (de)
DE (1) DE69118120T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111254455A (zh) * 2020-03-17 2020-06-09 吕子红 一种氯碱生产中电解槽阳极室副反应生成的氯酸盐的分解装置、方法及所涉及的加酸工艺

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59504436D1 (de) * 1994-09-08 1999-01-14 Solvay Umweltchemie Gmbh Verfahren zur entfernung von chlorat- und bromatverbindungen aus wasser durch katalytische reduktion
US8198389B2 (en) * 2006-05-25 2012-06-12 The University Of Akron Mold release compounds using cycloaliphatic epoxide functionalized polydimethylsiloxane coatings and photo-initiated polymerization
CN112210788B (zh) * 2020-10-15 2022-04-08 吕子红 一种氯碱生产用淡盐水中氯酸盐分解方法及设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1128804A (en) * 1964-12-03 1968-10-02 Ernst Holger Bertil Nystroem Improvements in and relating to electrolytic cells
US3920529A (en) * 1974-05-28 1975-11-18 Olin Corp Control of alkali metal chlorates in mercury cell brine
JPS5927392B2 (ja) * 1976-12-23 1984-07-05 ダイヤモンド・シヤムロツク・テクノロジ−ズエス・エ− 塩素−アルカリ電解槽
JPS5428294A (en) * 1977-08-04 1979-03-02 Toyo Soda Mfg Co Ltd Accumulation preventing meghod for sodium chlorat in salt water
US4169773A (en) * 1978-01-16 1979-10-02 Hooker Chemicals & Plastics Corp. Removal of chlorate from electrolytic cell anolyte
US4230544A (en) * 1979-08-31 1980-10-28 Ionics Inc. Method and apparatus for controlling anode pH in membrane chlor-alkali cells
US4481088A (en) * 1982-07-06 1984-11-06 Olin Corporation Removal of chlorate from electrolyte cell brine
US4397720A (en) * 1982-09-29 1983-08-09 Olin Corporation Removal of chlorate and hypochlorite from electrolyte cell brine
US4609472A (en) * 1985-03-29 1986-09-02 Olin Corporation Process for removal of alkali metal chlorate from alkali metal chloride brines

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111254455A (zh) * 2020-03-17 2020-06-09 吕子红 一种氯碱生产中电解槽阳极室副反应生成的氯酸盐的分解装置、方法及所涉及的加酸工艺
CN111254455B (zh) * 2020-03-17 2021-04-27 吕子红 一种氯碱生产中电解槽阳极室副反应生成的氯酸盐的分解装置、方法及所涉及的加酸工艺

Also Published As

Publication number Publication date
US5279717A (en) 1994-01-18
EP0488251B1 (de) 1996-03-20
DE69118120T2 (de) 1996-08-29
EP0488251A1 (de) 1992-06-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee