GB1247563A - Operating electrolytic cells and treatment of brine - Google Patents

Operating electrolytic cells and treatment of brine

Info

Publication number
GB1247563A
GB1247563A GB55493/68A GB5549368A GB1247563A GB 1247563 A GB1247563 A GB 1247563A GB 55493/68 A GB55493/68 A GB 55493/68A GB 5549368 A GB5549368 A GB 5549368A GB 1247563 A GB1247563 A GB 1247563A
Authority
GB
United Kingdom
Prior art keywords
cell
mercury
product
alkali
brine
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
Application number
GB55493/68A
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.)
Hooker Chemical Corp
Original Assignee
Hooker Chemical 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
Application filed by Hooker Chemical Corp filed Critical Hooker Chemical Corp
Publication of GB1247563A publication Critical patent/GB1247563A/en
Expired 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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof
    • C25B1/265—Chlorates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,247,563. Mercury chloro-alkali or diaphragm chlorate cells. HOOKER CHEMICAL CORP. Nov. 22, 1968 [Dec. 4, 1967], No. 55493/68. Heading C7B. Hypochlorite is removed from the cell liquor of a mercury chloro-alkali or disphragm chlorate cell by contacting it externally of the cell with an ethylenically unsaturated compound to produce chlorohydrin, or, by further reaction with caustic alkali, a glycol and/or polyol, and recycling the treated liquor. For a diaphragm chlorate cell, the treated liquor may be passed to crystallizer from which the mother liquor containing the product of reaction, e.g. ethylene glycol, and make-up feed brine is recycled to the anode compartment of the cell, the product being sacrificially oxidized at a graphite anode in preference to carbon so reducing its oxidation. Similarly, depleted mercury cell brine, containing the product after reaction with the ethylenically unsaturated hydrocarbon, may be reconstituted preferably after dechlorination and neutralizing with alkali metal (e.g. sodium) chloride and recycled to the mercury cell where the product serves to decrease graphite anode oxidation and reduce the amount of hydrogen evolved with chlorine in the cell. The unsaturated compound is preferably an aliphatic or a cycloaliphatic hydrocarbon of C 2-8 , e.g. ethylene, propylene, 2- methyl-propene, 1- or 2-butene, 1, 3-butadiene or pentadiene and/or 1, 4-pentadiene.
GB55493/68A 1967-12-04 1968-11-22 Operating electrolytic cells and treatment of brine Expired GB1247563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68783167A 1967-12-04 1967-12-04

Publications (1)

Publication Number Publication Date
GB1247563A true GB1247563A (en) 1971-09-22

Family

ID=24762034

Family Applications (1)

Application Number Title Priority Date Filing Date
GB55493/68A Expired GB1247563A (en) 1967-12-04 1968-11-22 Operating electrolytic cells and treatment of brine

Country Status (6)

Country Link
US (1) US3535215A (en)
BE (1) BE724808A (en)
DE (1) DE1812723A1 (en)
FR (1) FR1595922A (en)
GB (1) GB1247563A (en)
NL (1) NL6817308A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3878072A (en) * 1973-11-01 1975-04-15 Hooker Chemicals Plastics Corp Electrolytic method for the manufacture of chlorates
US3897320A (en) * 1973-11-01 1975-07-29 Hooker Chemicals Plastics Corp Electrolytic manufacture of chlorates, using a plurality of electrolytic cells
DE67529T1 (en) * 1981-05-14 1983-04-28 The British Petroleum Co. P.L.C., Sunbury-On-Thames, Middlesex METHOD FOR INHIBITING AND BREAKING MERCURY BUTTER IN CHLORINE ALKALI CELLS.
CA1257560A (en) * 1986-10-29 1989-07-18 Tenneco Canada Inc. (Erco Division) Electrochemical removal of hypochlorites from chlorate cell liquors
US20150219583A1 (en) * 2014-02-06 2015-08-06 Honeywell International Inc. Lead-free galvanic oxygen sensor
CN111074293B (en) * 2020-01-14 2022-05-10 石河子天域新实化工有限公司 Chlorate decomposition process in production of caustic soda by ion-exchange membrane method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US536848A (en) * 1895-04-02 Electrolysis
US1253615A (en) * 1915-06-22 1918-01-15 Chemical Dev Company Manufacture of chlorhydrins.
US1264535A (en) * 1915-12-09 1918-04-30 Chemical Dev Company Electrolysis of chlorids.
US1253617A (en) * 1916-03-18 1918-01-15 Chemical Dev Company Process of and apparatus for oxidizing hydrocarbons.
US2949412A (en) * 1948-11-24 1960-08-16 Dow Chemical Co Mercury-cell electrolysis of sodium chloride brine

Also Published As

Publication number Publication date
US3535215A (en) 1970-10-20
FR1595922A (en) 1970-06-15
NL6817308A (en) 1969-06-06
DE1812723A1 (en) 1969-07-03
BE724808A (en) 1969-06-02

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