GB1378453A - Removal of mercury from aqueous caustic soda or potash solution - Google Patents

Removal of mercury from aqueous caustic soda or potash solution

Info

Publication number
GB1378453A
GB1378453A GB1834772A GB1834772A GB1378453A GB 1378453 A GB1378453 A GB 1378453A GB 1834772 A GB1834772 A GB 1834772A GB 1834772 A GB1834772 A GB 1834772A GB 1378453 A GB1378453 A GB 1378453A
Authority
GB
United Kingdom
Prior art keywords
mercury
solution
caustic soda
potash
aqueous caustic
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
GB1834772A
Other languages
English (en)
Inventor
J P Guptill
G W Foley
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.)
Honeywell International Inc
Original Assignee
Allied 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 Allied Chemical Corp filed Critical Allied Chemical Corp
Publication of GB1378453A publication Critical patent/GB1378453A/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
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • C25B9/005—Amalgam decomposition cells
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • C01D1/28—Purification; Separation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
GB1834772A 1971-04-21 1972-04-20 Removal of mercury from aqueous caustic soda or potash solution Expired GB1378453A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13597171A 1971-04-21 1971-04-21

Publications (1)

Publication Number Publication Date
GB1378453A true GB1378453A (en) 1974-12-27

Family

ID=22470632

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1834772A Expired GB1378453A (en) 1971-04-21 1972-04-20 Removal of mercury from aqueous caustic soda or potash solution

Country Status (8)

Country Link
US (1) US3764495A (cg-RX-API-DMAC7.html)
BE (1) BE782470A (cg-RX-API-DMAC7.html)
CA (1) CA993174A (cg-RX-API-DMAC7.html)
DE (1) DE2218968A1 (cg-RX-API-DMAC7.html)
FR (1) FR2133781B1 (cg-RX-API-DMAC7.html)
GB (1) GB1378453A (cg-RX-API-DMAC7.html)
IT (1) IT960356B (cg-RX-API-DMAC7.html)
NL (1) NL7205377A (cg-RX-API-DMAC7.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE399869B (sv) * 1973-08-09 1978-03-06 Montedison Spa Sett att avlegsna kvicksilver eller kvicksilversalter fran ett vetskeavflode medelst tiokarbamid eller ett hydroxyl-aminsalt
US4260494A (en) * 1978-12-04 1981-04-07 Olin Corporation Method of purifying aqueous solutions of metal hydroxides
US4333913A (en) * 1978-12-04 1982-06-08 Olin Corporation Method of purifying aqueous solutions of metal hydroxides
JP3506172B2 (ja) * 1997-03-13 2004-03-15 信越半導体株式会社 半導体ウェーハのエッチング方法

Also Published As

Publication number Publication date
US3764495A (en) 1973-10-09
IT960356B (it) 1973-11-20
DE2218968A1 (de) 1972-10-26
FR2133781A1 (cg-RX-API-DMAC7.html) 1972-12-01
CA993174A (en) 1976-07-20
FR2133781B1 (cg-RX-API-DMAC7.html) 1977-06-24
NL7205377A (cg-RX-API-DMAC7.html) 1972-10-24
BE782470A (fr) 1972-10-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee