BE803563A - Mercury extractn from conc sulphuric acid - by addn of iodides - Google Patents

Mercury extractn from conc sulphuric acid - by addn of iodides

Info

Publication number
BE803563A
BE803563A BE2052984A BE2052984A BE803563A BE 803563 A BE803563 A BE 803563A BE 2052984 A BE2052984 A BE 2052984A BE 2052984 A BE2052984 A BE 2052984A BE 803563 A BE803563 A BE 803563A
Authority
BE
Belgium
Prior art keywords
extractn
addn
iodides
mercury
sulphuric acid
Prior art date
Application number
BE2052984A
Other languages
French (fr)
Inventor
T Kurikami
Original Assignee
Toho Zinc Co Ltd
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 Toho Zinc Co Ltd filed Critical Toho Zinc Co Ltd
Publication of BE803563A publication Critical patent/BE803563A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G13/00—Compounds of mercury
    • C01G13/04—Halides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/906—Removal of mercury

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Water Treatments (AREA)
  • Manufacture And Refinement Of Metals (AREA)

Abstract

To the acid of concn. is not 70% is added opt. 1-2 times the quantity of iodide needed to convert the Hg to HgI2. The iodide is opt. HI, NaI, KI, NH4I, or CaI2. The Hg may be present in ionic and/or metallic form.
BE2052984A 1972-08-15 1973-08-14 Mercury extractn from conc sulphuric acid - by addn of iodides BE803563A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8155672A JPS5216475B2 (en) 1972-08-15 1972-08-15

Publications (1)

Publication Number Publication Date
BE803563A true BE803563A (en) 1973-12-03

Family

ID=13749548

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2052984A BE803563A (en) 1972-08-15 1973-08-14 Mercury extractn from conc sulphuric acid - by addn of iodides

Country Status (2)

Country Link
JP (1) JPS5216475B2 (en)
BE (1) BE803563A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51122633A (en) * 1975-04-19 1976-10-26 Tohoku Daigaku Kinzoku Zairyo Surface treatment process for hardening nonnferrous metals
JPS5253793A (en) * 1975-10-30 1977-04-30 Sumitomo Metal Mining Co Ltd Method for elimanating small amount of mercury from sulfuric acid
JPS6375620U (en) * 1986-05-28 1988-05-20

Also Published As

Publication number Publication date
JPS4937897A (en) 1974-04-08
JPS5216475B2 (en) 1977-05-10

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: TOHO AEN K.K.

Effective date: 19930814