FR2000844A1 - Waste waters treated to prevent barium and - strontium sulphates precipitation - Google Patents

Waste waters treated to prevent barium and - strontium sulphates precipitation

Info

Publication number
FR2000844A1
FR2000844A1 FR6901558A FR6901558A FR2000844A1 FR 2000844 A1 FR2000844 A1 FR 2000844A1 FR 6901558 A FR6901558 A FR 6901558A FR 6901558 A FR6901558 A FR 6901558A FR 2000844 A1 FR2000844 A1 FR 2000844A1
Authority
FR
France
Prior art keywords
precipitation
waste waters
sulphates
waters treated
prevent barium
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.)
Withdrawn
Application number
FR6901558A
Other languages
English (en)
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.)
Hibernia AG
Original Assignee
Hibernia AG
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 Hibernia AG filed Critical Hibernia AG
Publication of FR2000844A1 publication Critical patent/FR2000844A1/fr
Withdrawn legal-status Critical Current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
    • C02F5/086—Condensed phosphates
    • 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

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)
  • Processing Of Solid Wastes (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
FR6901558A 1968-01-26 1969-01-27 Waste waters treated to prevent barium and - strontium sulphates precipitation Withdrawn FR2000844A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681642410 DE1642410A1 (de) 1968-01-26 1968-01-26 Verfahren zur Verhinderung von Bariumsulfat-und/oder Strontiumsolfatausfaellungen bei der Zusammenfuehrung von barium-und/oder strontium- und sulfathaltigen Abwaessern,insbesondere von Grubenwaessern im Untertagebetrieb des Kohlenbergbaus

Publications (1)

Publication Number Publication Date
FR2000844A1 true FR2000844A1 (en) 1969-09-12

Family

ID=5684186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6901558A Withdrawn FR2000844A1 (en) 1968-01-26 1969-01-27 Waste waters treated to prevent barium and - strontium sulphates precipitation

Country Status (4)

Country Link
BE (1) BE727313A (en))
DE (1) DE1642410A1 (en))
FR (1) FR2000844A1 (en))
NL (1) NL6901247A (en))

Also Published As

Publication number Publication date
BE727313A (en)) 1969-07-01
NL6901247A (en)) 1969-07-29
DE1642410A1 (de) 1971-05-06

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Legal Events

Date Code Title Description
ST Notification of lapse