CA993174A - Removal of mercury from caustic solutions - Google Patents

Removal of mercury from caustic solutions

Info

Publication number
CA993174A
CA993174A CA137,138A CA137138A CA993174A CA 993174 A CA993174 A CA 993174A CA 137138 A CA137138 A CA 137138A CA 993174 A CA993174 A CA 993174A
Authority
CA
Canada
Prior art keywords
mercury
removal
caustic solutions
caustic
solutions
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
CA137,138A
Other languages
English (en)
Other versions
CA137138S (en
Inventor
Gary W. Foley
Joel P. Guptill
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
Application granted granted Critical
Publication of CA993174A publication Critical patent/CA993174A/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)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Metallurgy (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
CA137,138A 1971-04-21 1972-03-15 Removal of mercury from caustic solutions Expired CA993174A (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
CA993174A true CA993174A (en) 1976-07-20

Family

ID=22470632

Family Applications (1)

Application Number Title Priority Date Filing Date
CA137,138A Expired CA993174A (en) 1971-04-21 1972-03-15 Removal of mercury from caustic solutions

Country Status (8)

Country Link
US (1) US3764495A (OSRAM)
BE (1) BE782470A (OSRAM)
CA (1) CA993174A (OSRAM)
DE (1) DE2218968A1 (OSRAM)
FR (1) FR2133781B1 (OSRAM)
GB (1) GB1378453A (OSRAM)
IT (1) IT960356B (OSRAM)
NL (1) NL7205377A (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL178962C (nl) * 1973-08-09 1986-06-16 Montedison Spa Werkwijze voor de verwijdering van kwik en kwikzouten uit een vloeibare afvalstroom.
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
NL7205377A (OSRAM) 1972-10-24
FR2133781B1 (OSRAM) 1977-06-24
GB1378453A (en) 1974-12-27
IT960356B (it) 1973-11-20
US3764495A (en) 1973-10-09
BE782470A (fr) 1972-10-23
DE2218968A1 (de) 1972-10-26
FR2133781A1 (OSRAM) 1972-12-01

Similar Documents

Publication Publication Date Title
AU460194B2 (en) PROCESS FORTHE REMOVAL OF MERCURY from GASES
CA983675A (en) Removal of mercury from gas streams
CA970160A (en) Process for the recovery of mercury from mercury-containing liquids
CA981816A (en) Process for the recovery of mercury from aqueous solution
AU466295B2 (en) Removal of catalyst residue from polyphenylene ethers
CA1021713A (en) Regeneration of spent etchant
CA983883A (en) Recovery of metal from rinse solutions
CA965578A (en) Purification of strontium carbonate
CA993174A (en) Removal of mercury from caustic solutions
CA983819A (en) Process of washing
CA974187A (en) Recovery of pure cyclopentene
CA980128A (en) Extraction of mercury from alkaline brines
IT961381B (it) Procedimento per l allontanamento di mercurio da gas
CA979789A (en) Removal of drosses
CA950205A (en) Process for recovering mercury
AU449242B2 (en) Removal of mercury from liquors
CS182230B2 (en) Process for the extraction of cephalosporine c from aqueous medium
CA1030771A (en) Recovery of mercury
CA972924A (en) Removal of hydrogen sulfide from gases
CA867293A (en) Recovery of mercury
CA921706A (en) Recovery of mercury
CA970979A (en) Mercury recovery process
CA875476A (en) Mercury process
CA884801A (en) Process for production of mercury
CA874342A (en) Caustic aluminate solution purification