FR659794A - Improvements to devices for softening or purifying water - Google Patents

Improvements to devices for softening or purifying water

Info

Publication number
FR659794A
FR659794A FR659794DA FR659794A FR 659794 A FR659794 A FR 659794A FR 659794D A FR659794D A FR 659794DA FR 659794 A FR659794 A FR 659794A
Authority
FR
France
Prior art keywords
softening
devices
purifying water
purifying
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)
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.)
United Water Softeners Ltd
Original Assignee
United Water Softeners 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 United Water Softeners Ltd filed Critical United Water Softeners Ltd
Application granted granted Critical
Publication of FR659794A publication Critical patent/FR659794A/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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange

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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Paper (AREA)
FR659794D 1927-09-29 1928-08-31 Improvements to devices for softening or purifying water Expired FR659794A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2572927A GB302744A (en) 1927-09-29 1927-09-29 Improvements relating to water softening apparatus
GB1556429A GB330120A (en) 1927-09-29 1929-05-17 Improvements relating to water softening apparatus

Publications (1)

Publication Number Publication Date
FR659794A true FR659794A (en) 1929-07-04

Family

ID=34105992

Family Applications (1)

Application Number Title Priority Date Filing Date
FR659794D Expired FR659794A (en) 1927-09-29 1928-08-31 Improvements to devices for softening or purifying water

Country Status (3)

Country Link
DE (1) DE521839C (en)
FR (1) FR659794A (en)
GB (2) GB302744A (en)

Also Published As

Publication number Publication date
GB302744A (en) 1928-12-27
DE521839C (en) 1931-03-26
GB330120A (en) 1930-06-05

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