FR2222320B1 - - Google Patents

Info

Publication number
FR2222320B1
FR2222320B1 FR7408691A FR7408691A FR2222320B1 FR 2222320 B1 FR2222320 B1 FR 2222320B1 FR 7408691 A FR7408691 A FR 7408691A FR 7408691 A FR7408691 A FR 7408691A FR 2222320 B1 FR2222320 B1 FR 2222320B1
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
FR7408691A
Other versions
FR2222320A1 (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.)
Ethyl Corp
Original Assignee
Ethyl 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 Ethyl Corp filed Critical Ethyl Corp
Publication of FR2222320A1 publication Critical patent/FR2222320A1/fr
Application granted granted Critical
Publication of FR2222320B1 publication Critical patent/FR2222320B1/fr
Expired 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • C02F1/64—Heavy metal compounds of iron or manganese
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
FR7408691A 1973-03-23 1974-03-14 Expired FR2222320B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34425673A 1973-03-23 1973-03-23
US37744173A 1973-07-09 1973-07-09

Publications (2)

Publication Number Publication Date
FR2222320A1 FR2222320A1 (fr) 1974-10-18
FR2222320B1 true FR2222320B1 (fr) 1976-12-17

Family

ID=26993827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7408691A Expired FR2222320B1 (fr) 1973-03-23 1974-03-14

Country Status (5)

Country Link
CA (1) CA1025134A (fr)
DE (1) DE2408995C3 (fr)
FR (1) FR2222320B1 (fr)
GB (1) GB1405080A (fr)
IT (1) IT1011117B (fr)

Also Published As

Publication number Publication date
GB1405080A (en) 1975-09-03
FR2222320A1 (fr) 1974-10-18
DE2408995C3 (de) 1978-10-05
CA1025134A (fr) 1978-01-24
DE2408995B2 (de) 1978-02-02
IT1011117B (it) 1977-01-20
DE2408995A1 (de) 1974-10-10

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Legal Events

Date Code Title Description
ST Notification of lapse