GB1223296A - Mercury-process electrolytic apparatus - Google Patents

Mercury-process electrolytic apparatus

Info

Publication number
GB1223296A
GB1223296A GB29926/68A GB2992668A GB1223296A GB 1223296 A GB1223296 A GB 1223296A GB 29926/68 A GB29926/68 A GB 29926/68A GB 2992668 A GB2992668 A GB 2992668A GB 1223296 A GB1223296 A GB 1223296A
Authority
GB
United Kingdom
Prior art keywords
mercury
passageway
tower
amalgam
pump
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
GB29926/68A
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.)
Kureha Corp
Original Assignee
Kureha 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 Kureha Corp filed Critical Kureha Corp
Publication of GB1223296A publication Critical patent/GB1223296A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/02Electrodes; Manufacture thereof not otherwise provided for characterised by shape or form
    • C25B11/033Liquid electrodes
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B1/00Electrolytic production of inorganic compounds or non-metals
    • C25B1/01Products
    • C25B1/34Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis
    • C25B1/36Simultaneous production of alkali metal hydroxides and chlorine, oxyacids or salts of chlorine, e.g. by chlor-alkali electrolysis in mercury cathode cells
    • C25B1/42Decomposition of amalgams
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B9/00Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Drying Of Solid Materials (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

1,223,296. Mercury-cathode electrolytic apparatus. KUREHA KAGAKU KOGYO K. K. June 24, 1968 [Nov.24, 1967(3)], No.29926/68. Heading C7B. An apparatus for producing chlorine from brine by electrolysis using a mercury cathode comprises; an electrolytic cell 1; a denuding tower 8; a mercury pump 20; a main circulation system for mercury completely sealed against the atmosphere including a passageway 3, 6 for conducting mercury amalgam from the cell to the tower, a passageway 19 for denuded mercury to the pump, pipes 22, 32 for conducting the mercury back to the cell, e.g. via a mercury separation passageway 33 where mercury butter, graphite particles and wash water overflow a weir 34 and flow through return pipe 35 to the tower; separation means outside the system (viz passageway 3, 6) for removing contaminants from the mercury amalgam; and means in the main system for preventing backflow of mercury when pump stops, e.g. an automatically operating valve (28), (Fig.4) in an elevated part 23 of the system which communicates by a side pipe 25 to the tower. The contaminants such as mercury butter, together with some amalgam and brine, may flow over a weir 11 in the downstream end of the passageway 3 into a mercury overflow sump 12 to be conducted into a contaminant separation vessel 14 where amalgam is separated and sent along a path 15 to the tower. The mercury amalgam may flow between parallel and contiguous passageways 3, 6 through a gap under a common side wall 5 as described in Specification 1, 205, 778.
GB29926/68A 1967-11-24 1968-06-24 Mercury-process electrolytic apparatus Expired GB1223296A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP7537367 1967-11-24
JP7537267 1967-11-24
JP7537467 1967-11-24

Publications (1)

Publication Number Publication Date
GB1223296A true GB1223296A (en) 1971-02-24

Family

ID=27301790

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29926/68A Expired GB1223296A (en) 1967-11-24 1968-06-24 Mercury-process electrolytic apparatus

Country Status (12)

Country Link
US (1) US3582524A (en)
BE (1) BE717966A (en)
CH (1) CH486916A (en)
CS (1) CS166685B2 (en)
DE (1) DE1800140A1 (en)
DK (1) DK123016B (en)
ES (1) ES356648A1 (en)
FR (1) FR1582595A (en)
GB (1) GB1223296A (en)
NL (2) NL6811478A (en)
NO (1) NO120678B (en)
SE (1) SE354263B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1462830A (en) * 1974-11-19 1977-01-26 Ici Ltd Operation of mercury-cathode cells
DE2737345C2 (en) * 1976-08-20 1991-07-25 Canon K.K., Tokio/Tokyo Semiconductor laser device with a Peltier element

Also Published As

Publication number Publication date
ES356648A1 (en) 1970-05-01
NL134491C (en)
NO120678B (en) 1970-11-23
US3582524A (en) 1971-06-01
CS166685B2 (en) 1976-03-29
CH486916A (en) 1970-03-15
DK123016B (en) 1972-05-08
DE1800140A1 (en) 1969-08-14
NL6811478A (en) 1969-05-28
FR1582595A (en) 1969-10-03
SE354263B (en) 1973-03-05
BE717966A (en) 1968-12-16

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