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BR8904112A - Processo para o tratamento de efluente aquoso contendo cianeto e metais pesados toxicos - Google Patents

Processo para o tratamento de efluente aquoso contendo cianeto e metais pesados toxicos

Info

Publication number
BR8904112A
BR8904112A BR898904112A BR8904112A BR8904112A BR 8904112 A BR8904112 A BR 8904112A BR 898904112 A BR898904112 A BR 898904112A BR 8904112 A BR8904112 A BR 8904112A BR 8904112 A BR8904112 A BR 8904112A
Authority
BR
Brazil
Prior art keywords
treatment
heavy metals
toxic heavy
effluent containing
water effluent
Prior art date
Application number
BR898904112A
Other languages
English (en)
Inventor
Andrew Griffiths
Roy Norcross
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Publication of BR8904112A publication Critical patent/BR8904112A/pt

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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/722—Oxidation by peroxides
    • 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
    • C02F1/5272—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using specific organic precipitants
    • 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
    • C02F2101/20—Heavy metals or heavy metal compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/903—Nitrogenous
    • Y10S210/904—-CN containing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S210/00—Liquid purification or separation
    • Y10S210/902—Materials removed
    • Y10S210/911—Cumulative poison
    • Y10S210/912—Heavy metal

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)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Removal Of Specific Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
BR898904112A 1988-08-18 1989-08-16 Processo para o tratamento de efluente aquoso contendo cianeto e metais pesados toxicos BR8904112A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/233,576 US4822496A (en) 1988-08-18 1988-08-18 Process for the treatment of effluent containing cyanide and toxic metals, using hydrogen peroxide and trimercaptotriazine

Publications (1)

Publication Number Publication Date
BR8904112A true BR8904112A (pt) 1990-04-10

Family

ID=22877807

Family Applications (1)

Application Number Title Priority Date Filing Date
BR898904112A BR8904112A (pt) 1988-08-18 1989-08-16 Processo para o tratamento de efluente aquoso contendo cianeto e metais pesados toxicos

Country Status (11)

Country Link
US (1) US4822496A (pt)
EP (1) EP0355418B1 (pt)
AT (1) ATE64919T1 (pt)
AU (1) AU605992B2 (pt)
BR (1) BR8904112A (pt)
CA (1) CA1332475C (pt)
DE (1) DE68900135D1 (pt)
ES (1) ES2023025B3 (pt)
GR (1) GR3002252T3 (pt)
MX (1) MX165038B (pt)
ZA (1) ZA895549B (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4822496A (en) * 1988-08-18 1989-04-18 Degussa Aktiengesellschaft Process for the treatment of effluent containing cyanide and toxic metals, using hydrogen peroxide and trimercaptotriazine
DE3839222A1 (de) * 1988-11-19 1990-05-23 Degussa Verwendung von substituierten thioharnstoffen zur abtrennung komplex gebundener schwermetallionen
US4975193A (en) * 1990-02-23 1990-12-04 Geo-Microbial Technologies, Inc. Method for removing cyanide from a fluid
WO1992003829A1 (en) * 1990-08-28 1992-03-05 Electric Power Research Institute Organic material oxidation process utilizing no added catalyst
NL9002335A (nl) * 1990-10-25 1992-05-18 Pelt & Hooykaas In een matrix ingebedde, niet uitloogbare organische verbindingen.
NL9101655A (nl) * 1991-10-01 1993-05-03 Pelt & Hooykaas Fixeermiddel voor gemengde organisch en anorganisch verontreinigde materialen en werkwijze ter bereiding en toepassing daarvan.
NL9101656A (nl) * 1991-10-01 1993-05-03 Pelt & Hooykaas Fixeermiddel voor giftig afval en werkwijze ter bereiding en toepassing daarvan.
US5137642A (en) * 1992-01-21 1992-08-11 Fmc Corporation Detoxification of aqueous cyanide solutions
US5288728A (en) * 1992-09-17 1994-02-22 Eastman Kodak Company Process for recovering silver from photographic solutions
US5415785A (en) * 1992-12-11 1995-05-16 Nalco Chemical Company Method for removing a cyanide contaminant from refinery waste water streams
US5552062A (en) * 1993-12-23 1996-09-03 Stevenson; Sanford M. Method for treatment of waste water contaminated with cyanide ion
US5549820A (en) * 1994-03-04 1996-08-27 Eastman Kodak Company Apparatus for removing a component from solution
US5676846A (en) * 1996-05-16 1997-10-14 Degussa Corporation Process for the detoxification of effluents containing free or complexed cyanides
RU2166551C2 (ru) * 1998-11-11 2001-05-10 Открытое акционерное общество "Ижевский радиозавод" Способ извлечения никеля из отработанных щелочных растворов химического никелирования
DE102005036693A1 (de) * 2005-08-04 2007-02-08 Degussa Ag Verfahren zur Herstellung von 2,4,6-Trimercapto-1,3,5-triazin
US20090120881A1 (en) * 2007-11-13 2009-05-14 Sam Fanday Treatment blends for removing metals from wastewater, methods of producing and process of using the same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US332882A (en) * 1885-12-22 Ijvtejvtok
ZA74799B (en) * 1973-03-21 1974-12-24 American Cyanamid Co Substituted halotriazine derivatives as peroxygen bleach activators
DE2352856C3 (de) * 1973-10-22 1978-09-28 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Verfahren zum Entgiften von Abwässern in denen Cyanide und/oder Cyanhydrine und/oder Nitrile enthalten sind
US4070281A (en) * 1974-08-05 1978-01-24 Asahi Kasei Kogyo Kabushiki Kaisha Method for treating waste water
DE2642238C3 (de) * 1976-09-20 1980-01-17 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Verfahren zur Abtrennung von Cu+ + -Ionen aus Abwässern und wäßrigen Lösungen
DE2642198C3 (de) * 1976-09-20 1980-01-17 Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt Verfahren zur Abtrennung von Cd+ + -Ionen aus Abwässern und wäßrigen Lösungen
US4260493A (en) * 1979-05-21 1981-04-07 Shipley Company, Inc. Solution waste treatment
EP0054371B1 (en) * 1980-12-12 1985-03-27 Interox Chemicals Limited Process for detoxification
DE3231982A1 (de) * 1982-08-27 1984-03-01 Süd-Chemie AG, 8000 München Thiolathaltiges mittel und verfahren zur entfernung von schwermetallionen aus verduennten waessrigen loesungen
US4500324A (en) * 1983-06-27 1985-02-19 Texaco Inc. Method of reducing the nickel content in waste water
US4569769A (en) * 1984-06-25 1986-02-11 Interox America Wastewater treatment
US4737289A (en) * 1986-11-26 1988-04-12 Radian Corporation Process for wastewater treatment
US4743381A (en) * 1987-07-01 1988-05-10 Fmc Corporation Process for oxidizing a cyanide compound
US4822496A (en) * 1988-08-18 1989-04-18 Degussa Aktiengesellschaft Process for the treatment of effluent containing cyanide and toxic metals, using hydrogen peroxide and trimercaptotriazine

Also Published As

Publication number Publication date
ATE64919T1 (de) 1991-07-15
GR3002252T3 (en) 1992-12-30
ES2023025B3 (es) 1991-12-16
ZA895549B (en) 1990-07-25
AU605992B2 (en) 1991-01-24
CA1332475C (en) 1994-10-11
US4822496A (en) 1989-04-18
AU3903789A (en) 1990-02-22
DE68900135D1 (de) 1991-08-08
EP0355418A1 (en) 1990-02-28
EP0355418B1 (en) 1991-07-03
MX165038B (es) 1992-10-16

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Legal Events

Date Code Title Description
FF Decision: intention to grant
FG Letter patent granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 16/08/2004