FR2321457A1 - PROCESS FOR REMOVING SULPHIDES FROM HEAVY METALS FROM AQUEOUS SYSTEMS - Google Patents

PROCESS FOR REMOVING SULPHIDES FROM HEAVY METALS FROM AQUEOUS SYSTEMS

Info

Publication number
FR2321457A1
FR2321457A1 FR7625274A FR7625274A FR2321457A1 FR 2321457 A1 FR2321457 A1 FR 2321457A1 FR 7625274 A FR7625274 A FR 7625274A FR 7625274 A FR7625274 A FR 7625274A FR 2321457 A1 FR2321457 A1 FR 2321457A1
Authority
FR
France
Prior art keywords
heavy metals
aqueous systems
sulphides
removing sulphides
aqueous
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Withdrawn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
FR7625274A
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of FR2321457A1 publication Critical patent/FR2321457A1/en
Withdrawn legal-status Critical Current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
    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material

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)
  • Removal Of Specific Substances (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
FR7625274A 1975-08-20 1976-08-20 PROCESS FOR REMOVING SULPHIDES FROM HEAVY METALS FROM AQUEOUS SYSTEMS Withdrawn FR2321457A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752536969 DE2536969A1 (en) 1975-08-20 1975-08-20 PROCESS FOR THE REMOVAL OF HEAVY METAL SULPHIDES FROM Aqueous SYSTEMS

Publications (1)

Publication Number Publication Date
FR2321457A1 true FR2321457A1 (en) 1977-03-18

Family

ID=5954347

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7625274A Withdrawn FR2321457A1 (en) 1975-08-20 1976-08-20 PROCESS FOR REMOVING SULPHIDES FROM HEAVY METALS FROM AQUEOUS SYSTEMS

Country Status (8)

Country Link
JP (1) JPS5225459A (en)
BE (1) BE845324A (en)
BR (1) BR7605452A (en)
DE (1) DE2536969A1 (en)
ES (1) ES450804A1 (en)
FR (1) FR2321457A1 (en)
GB (1) GB1516255A (en)
IT (1) IT1065147B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3540107A1 (en) * 1985-11-12 1987-05-14 Klimsch & Co Contact copier for UV-sensitive material
JP4765146B2 (en) * 2000-07-03 2011-09-07 三菱瓦斯化学株式会社 Process for producing polyphenylene ether
CN114088703B (en) * 2020-08-24 2024-04-02 台湾永光化学工业股份有限公司 Quick screen set and method for detecting activity of aluminum anode dye liquor
CN114307692A (en) * 2022-02-23 2022-04-12 上海鲲谷环境科技有限公司 Method for removing cesium and strontium in nuclear wastewater

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171804A (en) * 1961-10-16 1965-03-02 Archie H Rice Sewage and industrial waste purification process
FR1452107A (en) * 1965-06-30 1966-02-25 Nalco Chemical Co New flocculants consisting of copolymeric substances
US3259570A (en) * 1963-03-04 1966-07-05 Dow Chemical Co Dewatering aqueous suspensions of organic solids
US3418237A (en) * 1963-12-22 1968-12-24 American Cyanamid Co Settling of non-argillaceous ore pulps and mineral suspensions by use of water-soluble acrylic polymers
FR2171345A1 (en) * 1972-02-12 1973-09-21 Kyowa Hakko Kogyo Kk Removing toxic metal ions from waste waters - - by treatment with xanthate followed by a coagulating agent

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3171804A (en) * 1961-10-16 1965-03-02 Archie H Rice Sewage and industrial waste purification process
US3259570A (en) * 1963-03-04 1966-07-05 Dow Chemical Co Dewatering aqueous suspensions of organic solids
US3418237A (en) * 1963-12-22 1968-12-24 American Cyanamid Co Settling of non-argillaceous ore pulps and mineral suspensions by use of water-soluble acrylic polymers
FR1452107A (en) * 1965-06-30 1966-02-25 Nalco Chemical Co New flocculants consisting of copolymeric substances
FR2171345A1 (en) * 1972-02-12 1973-09-21 Kyowa Hakko Kogyo Kk Removing toxic metal ions from waste waters - - by treatment with xanthate followed by a coagulating agent

Also Published As

Publication number Publication date
GB1516255A (en) 1978-06-28
DE2536969A1 (en) 1977-03-03
IT1065147B (en) 1985-02-25
ES450804A1 (en) 1977-08-16
JPS5225459A (en) 1977-02-25
BR7605452A (en) 1977-08-16
BE845324A (en) 1977-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse