FR2458513B1 - - Google Patents

Info

Publication number
FR2458513B1
FR2458513B1 FR7914266A FR7914266A FR2458513B1 FR 2458513 B1 FR2458513 B1 FR 2458513B1 FR 7914266 A FR7914266 A FR 7914266A FR 7914266 A FR7914266 A FR 7914266A FR 2458513 B1 FR2458513 B1 FR 2458513B1
Authority
FR
France
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
FR7914266A
Other languages
French (fr)
Other versions
FR2458513A1 (fr
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.)
Suez International SAS
Original Assignee
Degremont SA
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 Degremont SA filed Critical Degremont SA
Priority to FR7914266A priority Critical patent/FR2458513A1/fr
Priority to CA000353560A priority patent/CA1140280A/fr
Publication of FR2458513A1 publication Critical patent/FR2458513A1/fr
Application granted granted Critical
Publication of FR2458513B1 publication Critical patent/FR2458513B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C01F7/50—Fluorides
    • C01F7/54—Double compounds containing both aluminium and alkali metals or alkaline-earth metals
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/583—Treatment of water, waste water, or sewage by removing specified dissolved compounds by removing fluoride or fluorine compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Geology (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR7914266A 1979-06-05 1979-06-05 Procede pour l'elimination des fluorures des effluents les contenant Granted FR2458513A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7914266A FR2458513A1 (fr) 1979-06-05 1979-06-05 Procede pour l'elimination des fluorures des effluents les contenant
CA000353560A CA1140280A (fr) 1979-06-05 1980-06-04 Procede pour l'elimination des fluorures des effluents les contenant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7914266A FR2458513A1 (fr) 1979-06-05 1979-06-05 Procede pour l'elimination des fluorures des effluents les contenant

Publications (2)

Publication Number Publication Date
FR2458513A1 FR2458513A1 (fr) 1981-01-02
FR2458513B1 true FR2458513B1 (enExample) 1982-11-12

Family

ID=9226208

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7914266A Granted FR2458513A1 (fr) 1979-06-05 1979-06-05 Procede pour l'elimination des fluorures des effluents les contenant

Country Status (2)

Country Link
CA (1) CA1140280A (enExample)
FR (1) FR2458513A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3129473A1 (de) * 1981-07-25 1983-02-10 Bayer Ag, 5090 Leverkusen Verfahren zum reinigen fluoridhaltiger abwaesser
GB9025126D0 (en) * 1990-11-19 1991-01-02 Ici Plc Treatment of dilute acidic solutions
CN111302522A (zh) * 2019-11-04 2020-06-19 三峡大学 一种高效除污水中氟方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2058075A (en) * 1934-06-09 1936-10-20 Gaither Gant Process for making martificial cryolite
CH372846A (de) * 1957-04-01 1963-10-31 Alusuisse Verfahren zur Gewinnung von Natrium-Aluminium-Doppelfluoriden aus den bei der elektrolytischen Herstellung von Aluminium entweichenden HF-haltigen Ofenabgasen
FR1289635A (fr) * 1961-02-24 1962-04-06 Electro Chimie Soc D Procédé de récupération du fluor
US3215493A (en) * 1963-09-04 1965-11-02 Electro Chimie Metal Process of agglomerating fine crystals and cryolite product
CH509093A (de) * 1969-03-12 1971-06-30 Alusuisse Verfahren zum Entfernen F-haltiger Verunreinigungen aus luftverdünnten, sauren Abgasen
SU415955A1 (ru) * 1971-12-13 1979-03-05 Иркутский филиал Всесоюзного научно-исследовательского и проектного института алюминиевой, магниевой и электродной промышленности Способ получени криолита

Also Published As

Publication number Publication date
FR2458513A1 (fr) 1981-01-02
CA1140280A (fr) 1983-01-25

Similar Documents

Publication Publication Date Title
FR2448064B1 (enExample)
FR2447618B1 (enExample)
DE3050975A1 (enExample)
BR8002583A (enExample)
BR8006808A (enExample)
FR2450537B1 (enExample)
FR2449663B1 (enExample)
FR2448238B1 (enExample)
FR2449625B1 (enExample)
FR2449283B1 (enExample)
DE2925125C3 (enExample)
FR2449069B3 (enExample)
FR2458513B1 (enExample)
FR2449688B1 (enExample)
FR2449425B1 (enExample)
FR2448174B1 (enExample)
FR2448118B1 (enExample)
FR2449757B1 (enExample)
AU78385S (enExample)
AU79918S (enExample)
AU79950S (enExample)
AU78271S (enExample)
AU79826S (enExample)
BR5901094U (enExample)
AU80228S (enExample)

Legal Events

Date Code Title Description
ST Notification of lapse