FR917456A - Perfectionnements à l'adoucissement de l'eau - Google Patents

Perfectionnements à l'adoucissement de l'eau

Info

Publication number
FR917456A
FR917456A FR917456DA FR917456A FR 917456 A FR917456 A FR 917456A FR 917456D A FR917456D A FR 917456DA FR 917456 A FR917456 A FR 917456A
Authority
FR
France
Prior art keywords
water softening
softening
water
softening improvements
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
English (en)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR917456A publication Critical patent/FR917456A/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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR917456D 1943-11-16 1945-11-15 Perfectionnements à l'adoucissement de l'eau Expired FR917456A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB917456X 1943-11-16

Publications (1)

Publication Number Publication Date
FR917456A true FR917456A (fr) 1947-01-08

Family

ID=10707642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR917456D Expired FR917456A (fr) 1943-11-16 1945-11-15 Perfectionnements à l'adoucissement de l'eau

Country Status (1)

Country Link
FR (1) FR917456A (fr)

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