FR2383888B1 - - Google Patents

Info

Publication number
FR2383888B1
FR2383888B1 FR7735922A FR7735922A FR2383888B1 FR 2383888 B1 FR2383888 B1 FR 2383888B1 FR 7735922 A FR7735922 A FR 7735922A FR 7735922 A FR7735922 A FR 7735922A FR 2383888 B1 FR2383888 B1 FR 2383888B1
Authority
FR
France
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
FR7735922A
Other languages
French (fr)
Other versions
FR2383888A1 (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.)
Niigata Engineering Co Ltd
Original Assignee
Niigata Engineering Co 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
Priority claimed from JP3073877A external-priority patent/JPS53115661A/en
Priority claimed from JP3863677A external-priority patent/JPS53123559A/en
Priority claimed from JP10141577A external-priority patent/JPS5436062A/en
Application filed by Niigata Engineering Co Ltd filed Critical Niigata Engineering Co Ltd
Publication of FR2383888A1 publication Critical patent/FR2383888A1/en
Application granted granted Critical
Publication of FR2383888B1 publication Critical patent/FR2383888B1/fr
Granted 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
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/08—Simple or complex cyanides of metals
    • C01C3/12—Simple or complex iron cyanides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/18—Cyanides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Removal Of Specific Substances (AREA)
  • Water Treatment By Sorption (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Activated Sludge Processes (AREA)
FR7735922A 1977-03-19 1977-11-29 Purifying waste waters contg. cyanide ions - by consecutively adding ferrous salt, alkali and then ferric salt to ppte. prussian blue Granted FR2383888A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3073877A JPS53115661A (en) 1977-03-19 1977-03-19 Nonndiluting treatment of gaseous solution
JP3863677A JPS53123559A (en) 1977-04-05 1977-04-05 Method of treating waste water containig low density cyanide
JP10141577A JPS5436062A (en) 1977-08-24 1977-08-24 Method of treating gas liquor

Publications (2)

Publication Number Publication Date
FR2383888A1 FR2383888A1 (en) 1978-10-13
FR2383888B1 true FR2383888B1 (en) 1982-04-30

Family

ID=27287075

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7735922A Granted FR2383888A1 (en) 1977-03-19 1977-11-29 Purifying waste waters contg. cyanide ions - by consecutively adding ferrous salt, alkali and then ferric salt to ppte. prussian blue

Country Status (4)

Country Link
CA (1) CA1089573A (en)
DE (1) DE2753401C2 (en)
FR (1) FR2383888A1 (en)
SU (1) SU828960A3 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211646A (en) * 1977-10-31 1980-07-08 Texaco Inc. Waste water process
US4312760A (en) * 1980-02-19 1982-01-26 Neville Roy G Method for the removal of free and complex cyanides from water
US5893408A (en) * 1995-08-04 1999-04-13 Nautica Dehumidifiers, Inc. Regenerative heat exchanger for dehumidification and air conditioning with variable airflow
FR2854088B1 (en) * 2003-04-23 2006-09-29 Inertec METHOD FOR FIXING CYANIDES IN SOLID WASTE OR IN WATER
MD4139C1 (en) * 2010-06-28 2012-07-31 Государственный Университет Молд0 Process for neutralization of waste obtained from wine demetallization with potassium hexacyanoferrate (II)
CN105399261B (en) * 2015-12-12 2018-02-13 李运华 A kind of processing method of low concentration electroplating cyanic waste water
CN110627258A (en) * 2019-10-24 2019-12-31 上海蓝科石化环保科技股份有限公司 Treatment device and process for high-concentration cyanide-containing wastewater
CN112863611B (en) * 2021-01-14 2022-03-08 山东黄金矿业科技有限公司选冶实验室分公司 Method for determining iron salt dosage extreme value in cyanide-containing wastewater treatment by iron salt precipitation method
CN112915752B (en) * 2021-01-25 2023-04-07 广东溢达纺织有限公司 Flue gas and waste water treatment method and treatment device thereof
CN113200897B (en) * 2021-03-22 2024-02-23 江西欧氏化工有限公司 Novel cyanidation process for synthesizing cartap
CN113908799B (en) * 2021-12-14 2022-03-08 山东省科学院生态研究所(山东省科学院中日友好生物技术研究中心) Preparation method and application of magnetic Prussian blue nano clay

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1286463B (en) * 1963-04-24 1969-01-02 Bucksteeg Process for the detoxification of wastewater containing cyanide
CH545254A (en) * 1972-09-27 1973-12-15 Ciba Geigy Ag Process for purifying waste water
ZA737730B (en) * 1972-10-26 1974-09-25 St Regis Paper Co Process for reducing the organic carbon content and improving the color of aqueous plant effluents

Also Published As

Publication number Publication date
CA1089573A (en) 1980-11-11
FR2383888A1 (en) 1978-10-13
DE2753401C2 (en) 1982-11-25
DE2753401A1 (en) 1978-09-21
SU828960A3 (en) 1981-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse