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FR756266A - Process for purification and softening of water - Google Patents

Process for purification and softening of water

Info

Publication number
FR756266A
FR756266A FR756266DA FR756266A FR 756266 A FR756266 A FR 756266A FR 756266D A FR756266D A FR 756266DA FR 756266 A FR756266 A FR 756266A
Authority
FR
France
Prior art keywords
softening
purification
water
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
Other languages
French (fr)
Inventor
Fritz Hahn
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 filed Critical
Application granted granted Critical
Publication of FR756266A publication Critical patent/FR756266A/en
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
    • C02F1/52—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
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/02—Softening water by precipitation of the hardness
    • C02F5/06—Softening water by precipitation of the hardness using calcium compounds

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)
FR756266D 1932-06-01 1933-05-30 Process for purification and softening of water Expired FR756266A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE756266X 1932-06-01

Publications (1)

Publication Number Publication Date
FR756266A true FR756266A (en) 1933-12-07

Family

ID=6659796

Family Applications (1)

Application Number Title Priority Date Filing Date
FR756266D Expired FR756266A (en) 1932-06-01 1933-05-30 Process for purification and softening of water

Country Status (1)

Country Link
FR (1) FR756266A (en)

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