FR836220A - Process for preventing the precipitation of hardeners contained in water - Google Patents

Process for preventing the precipitation of hardeners contained in water

Info

Publication number
FR836220A
FR836220A FR836220DA FR836220A FR 836220 A FR836220 A FR 836220A FR 836220D A FR836220D A FR 836220DA FR 836220 A FR836220 A FR 836220A
Authority
FR
France
Prior art keywords
precipitation
preventing
water
hardeners
contained
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
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 FR836220A publication Critical patent/FR836220A/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
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/083—Mineral agents
    • 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
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General 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)
  • Glass Compositions (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Mold Materials And Core Materials (AREA)
FR836220D 1938-01-04 1938-04-05 Process for preventing the precipitation of hardeners contained in water Expired FR836220A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE499247X 1938-01-04

Publications (1)

Publication Number Publication Date
FR836220A true FR836220A (en) 1939-01-12

Family

ID=6545429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836220D Expired FR836220A (en) 1938-01-04 1938-04-05 Process for preventing the precipitation of hardeners contained in water

Country Status (2)

Country Link
FR (1) FR836220A (en)
GB (1) GB499247A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436755A1 (en) * 1978-09-19 1980-04-18 Inst Ochistke Tekh Treating recirculated washing water esp. for gas - from metallurgical plant, by addn. of water glass

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444774A (en) * 1943-11-03 1948-07-06 Philadelphia Quartz Co Purification of raw waters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436755A1 (en) * 1978-09-19 1980-04-18 Inst Ochistke Tekh Treating recirculated washing water esp. for gas - from metallurgical plant, by addn. of water glass

Also Published As

Publication number Publication date
GB499247A (en) 1939-01-20

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