ATE201862T1 - Thermalplasmareaktor und abwasserbehandlungsmethode - Google Patents

Thermalplasmareaktor und abwasserbehandlungsmethode

Info

Publication number
ATE201862T1
ATE201862T1 AT96941559T AT96941559T ATE201862T1 AT E201862 T1 ATE201862 T1 AT E201862T1 AT 96941559 T AT96941559 T AT 96941559T AT 96941559 T AT96941559 T AT 96941559T AT E201862 T1 ATE201862 T1 AT E201862T1
Authority
AT
Austria
Prior art keywords
energy
reactor
cyanide
organic material
tube
Prior art date
Application number
AT96941559T
Other languages
English (en)
Inventor
Jean Luc Bernier
Luc Fortin
Frank M Kimmerle
Maher I Boulos
Vijay Kasireddy
Gervais Soucy
Original Assignee
Alcan Int 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
Application filed by Alcan Int Ltd filed Critical Alcan Int Ltd
Application granted granted Critical
Publication of ATE201862T1 publication Critical patent/ATE201862T1/de

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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
    • B01J2219/0809—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes employing two or more electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • B01J2219/0845—Details relating to the type of discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0894—Processes carried out in the presence of a plasma
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0894—Processes carried out in the presence of a plasma
    • B01J2219/0898—Hot plasma
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/12—Heat utilisation in combustion or incineration of waste
    • 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
    • Y10S422/00—Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
    • Y10S422/906—Plasma or ion generation means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Physical Water Treatments (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Treatment Of Sludge (AREA)
AT96941559T 1995-12-20 1996-12-20 Thermalplasmareaktor und abwasserbehandlungsmethode ATE201862T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57563095A 1995-12-20 1995-12-20
PCT/CA1996/000865 WO1997022556A1 (en) 1995-12-20 1996-12-20 Thermal plasma reactor and wastewater treatment method

Publications (1)

Publication Number Publication Date
ATE201862T1 true ATE201862T1 (de) 2001-06-15

Family

ID=24301090

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96941559T ATE201862T1 (de) 1995-12-20 1996-12-20 Thermalplasmareaktor und abwasserbehandlungsmethode

Country Status (10)

Country Link
US (1) US6187206B1 (de)
EP (1) EP0874782B1 (de)
AT (1) ATE201862T1 (de)
AU (1) AU715144B2 (de)
BR (1) BR9612101A (de)
CA (1) CA2240283C (de)
DE (1) DE69613241T2 (de)
ES (1) ES2157471T3 (de)
GR (1) GR3036493T3 (de)
WO (1) WO1997022556A1 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2237414C (fr) * 1998-05-11 2004-10-19 Hydro-Quebec Traitement de residus humides contenant une charge polluante et/ou toxique
US7128816B2 (en) * 2000-06-14 2006-10-31 Wisconsin Alumni Research Foundation Method and apparatus for producing colloidal nanoparticles in a dense medium plasma
US7857972B2 (en) 2003-09-05 2010-12-28 Foret Plasma Labs, Llc Apparatus for treating liquids with wave energy from an electrical arc
US10188119B2 (en) 2001-07-16 2019-01-29 Foret Plasma Labs, Llc Method for treating a substance with wave energy from plasma and an electrical arc
US8981250B2 (en) 2001-07-16 2015-03-17 Foret Plasma Labs, Llc Apparatus for treating a substance with wave energy from plasma and an electrical Arc
US7422695B2 (en) 2003-09-05 2008-09-09 Foret Plasma Labs, Llc Treatment of fluids with wave energy from a carbon arc
US8734643B2 (en) 2001-07-16 2014-05-27 Foret Plasma Labs, Llc Apparatus for treating a substance with wave energy from an electrical arc and a second source
US8734654B2 (en) 2001-07-16 2014-05-27 Foret Plasma Labs, Llc Method for treating a substance with wave energy from an electrical arc and a second source
US9481584B2 (en) * 2001-07-16 2016-11-01 Foret Plasma Labs, Llc System, method and apparatus for treating liquids with wave energy from plasma
US7622693B2 (en) 2001-07-16 2009-11-24 Foret Plasma Labs, Llc Plasma whirl reactor apparatus and methods of use
US8764978B2 (en) 2001-07-16 2014-07-01 Foret Plasma Labs, Llc System for treating a substance with wave energy from an electrical arc and a second source
HU224394B1 (hu) 2001-07-17 2005-08-29 G.I.C. Kft. Eljárás és berendezés elektromosan vezetõképes, vizes hulladékoldatok szervesanyag-tartalmának víz alatti elbontására
CA2584508A1 (en) * 2002-05-09 2003-11-09 Institut National De La Recherche Scientifique Method for producing single-wall carbon nanotubes
US6749759B2 (en) * 2002-07-12 2004-06-15 Wisconsin Alumni Research Foundation Method for disinfecting a dense fluid medium in a dense medium plasma reactor
US7144514B2 (en) 2002-09-09 2006-12-05 Texaco, Inc. Cyanide and formate destruction with ultra violet light
DE102004017509A1 (de) * 2004-04-08 2005-11-17 Kist-Europe Forschungsgesellschaft Mbh Vorrichtung und Verfahren zur Reinigung von Flüssigkeiten
WO2006123258A2 (en) * 2005-05-17 2006-11-23 Aquamatters Sa Water purification and treatment device and method for desalting or purifying water
US7998418B1 (en) 2006-06-01 2011-08-16 Nanotek, Llc Evaporator and concentrator in reactor and loading system
US7641860B2 (en) * 2006-06-01 2010-01-05 Nanotek, Llc Modular and reconfigurable multi-stage microreactor cartridge apparatus
US7854902B2 (en) * 2006-08-23 2010-12-21 Nanotek, Llc Modular and reconfigurable multi-stage high temperature microreactor cartridge apparatus and system for using same
US7862782B2 (en) * 2007-01-12 2011-01-04 Wisconsin Alumni Research Foundation Apparatus and methods for producing nanoparticles in a dense fluid medium
US7797988B2 (en) 2007-03-23 2010-09-21 Advion Biosystems, Inc. Liquid chromatography-mass spectrometry
US7973262B2 (en) * 2007-04-05 2011-07-05 Igor Matveev Powerplant and method using a triple helical vortex reactor
US7955567B2 (en) * 2007-08-23 2011-06-07 Igor Matveev Triple helical flow vortex reactor improvements
EP2240409B1 (de) 2007-12-28 2019-11-20 Cytec Technology Corp. Verfahren zur entfernung von unreinheiten und wasser aus dem bayer-verfahren
US8460509B2 (en) * 2008-02-11 2013-06-11 Total Water Management, LLC Water evaporation system and method
WO2010120810A1 (en) 2009-04-14 2010-10-21 Rf Thummim Technologies, Inc. Method and apparatus for excitation of resonances in molecules
KR101025035B1 (ko) * 2009-06-23 2011-03-25 주성호 프라즈마를 이용한 버어너
US20120267322A1 (en) * 2009-10-07 2012-10-25 Ramot At Tel-Aviv University Ltd. Method and system for plasma treatment of a liquid
FR2953279B1 (fr) * 2009-11-30 2013-08-02 Commissariat Energie Atomique Procede et dispositif pour le traitement des dechets par injection dans un plasma immerge.
US20110139378A1 (en) * 2009-12-11 2011-06-16 Purestream Technology, Llc Wastewater treatment systems and methods
US8425668B2 (en) * 2009-12-11 2013-04-23 Total Water Management, LLC Wastewater pre-treatment and evaporation system
CN102655921B (zh) 2009-12-15 2015-05-20 塞特克技术公司 由载有杂质的有机盐中除去杂质的方法和组合物
WO2011116187A1 (en) 2010-03-17 2011-09-22 Rf Thummim Technologies, Inc. Method and apparatus for electromagnetically producing a disturbance in a medium with simultaneous resonance of acoustic waves created by the disturbance
WO2012100074A2 (en) * 2011-01-21 2012-07-26 Heartland Technology Partners Llc Condensation plume mitigation system for exhaust stacks
WO2013040228A1 (en) 2011-09-14 2013-03-21 Aquasource Technologies Corporation System and method for water treatment
RU2526069C2 (ru) * 2012-07-18 2014-08-20 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" Способ обезвреживания цианистых растворов
WO2014093560A1 (en) 2012-12-11 2014-06-19 Foret Plasma Labs, Llc High temperature countercurrent vortex reactor system, method and apparatus
CA2902195C (en) 2013-03-12 2016-06-07 Foret Plasma Labs, Llc Apparatus and method for sintering proppants
AU2014342108A1 (en) * 2013-11-01 2016-04-21 Magnegas Corporation Apparatus for flow-through of electric arcs
FR3020663B1 (fr) * 2014-04-30 2016-05-27 Commissariat Energie Atomique Amenagement de la tuyere de sortie d'une torche a plasma immerge dediee au traitement de dechets
US10662086B2 (en) 2015-05-28 2020-05-26 The Regents Of The University Of Michigan Plasma water purifier having packed bed discharges with water dielectric barriers
CN105417865B (zh) * 2015-12-03 2018-09-28 合肥工业大学 一种连续式高效除药装置
EP3445711A1 (de) * 2016-04-21 2019-02-27 Leibniz-Institut für Plasmaforschung und Technologie e.V. Verfahren und vorrichtung zur erzeugung eines produktgasstroms
PL3772488T3 (pl) 2019-08-09 2025-02-03 Luis VENTURA PÉREZ Urządzenie i sposób do oczyszczania ścieków z zanieczyszczającymi chemicznymi związkami metali, niemetali i metaloidów
US20220026061A1 (en) * 2020-07-27 2022-01-27 Archer Laboratories, LLC Methods and systems for radiofrequency plasma plume generation

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051639A (en) 1958-09-25 1962-08-28 Union Carbide Corp Arc torch chemical reactions
US5131941A (en) 1959-04-08 1992-07-21 Lemelson Jerome H Reaction apparatus and method
US3841239A (en) * 1972-06-17 1974-10-15 Shin Meiwa Ind Co Ltd Method and apparatus for thermally decomposing refuse
US4265747A (en) * 1979-05-22 1981-05-05 Sterling Drug Inc. Disinfection and purification of fluids using focused laser radiation
HU184389B (en) 1981-02-27 1984-08-28 Villamos Ipari Kutato Intezet Method and apparatus for destroying wastes by using of plasmatechnic
US4801435A (en) * 1986-09-08 1989-01-31 Plasma Holdings N.V. Hybrid plasma reactor
US4761793A (en) 1987-05-08 1988-08-02 Electric Power Research Institute Plasma fired feed nozzle
FR2630529B1 (fr) 1988-04-22 1990-08-10 Aerospatiale Procede et dispositif pour la destruction de dechets chimiquement stables
CA1324823C (en) 1988-08-08 1993-11-30 Robert Chrong-Wen Chang Method and apparatus for plasma pyrolysis of liquid waste
US4948485A (en) 1988-11-23 1990-08-14 Plasmacarb Inc. Cascade arc plasma torch and a process for plasma polymerization
US4989522A (en) 1989-08-11 1991-02-05 Sharpe Environmental Services Method and system for incineration and detoxification of semiliquid waste
NO172704C (no) 1990-02-23 1993-08-25 Norsk Hydro As Lysbue oppvarmings- og reaksjonssystem
US5073193A (en) * 1990-06-26 1991-12-17 The University Of British Columbia Method of collecting plasma synthesize ceramic powders
GB9017146D0 (en) 1990-08-03 1990-09-19 Tioxide Group Services Ltd Destruction process
US5160637A (en) 1990-10-19 1992-11-03 Alcan International Limited Apparatus and method for hydrolysis of cyanide-containing liquids
US5222448A (en) * 1992-04-13 1993-06-29 Columbia Ventures Corporation Plasma torch furnace processing of spent potliner from aluminum smelters
US5280757A (en) * 1992-04-13 1994-01-25 Carter George W Municipal solid waste disposal process
US5470559A (en) 1993-02-26 1995-11-28 Alcan International Limited Recycling of spent pot linings
US5491279A (en) * 1993-04-02 1996-02-13 Molten Metal Technology, Inc. Method for top-charging solid waste into a molten metal bath
US5363781A (en) 1993-04-26 1994-11-15 Industrial Technology Research Institute Plasma torch-jet liquid waste treatment device
DE4440813C2 (de) * 1993-11-15 1999-12-09 Fraunhofer Ges Forschung Verfahren zur Behandlung von Flüssigkeiten sowie Vorrichtung zur Durchführung des Verfahrens
US5443572A (en) * 1993-12-03 1995-08-22 Molten Metal Technology, Inc. Apparatus and method for submerged injection of a feed composition into a molten metal bath
US5629464A (en) * 1993-12-23 1997-05-13 Molten Metal Technology, Inc. Method for forming unsaturated organics from organic-containing feed by employing a Bronsted acid
US5420391B1 (en) 1994-06-20 1998-06-09 Metcon Services Ltd Plasma torch with axial injection of feedstock
US5555822A (en) * 1994-09-06 1996-09-17 Molten Metal Technology, Inc. Apparatus for dissociating bulk waste in a molten metal bath
FR2758317B1 (fr) * 1997-01-13 1999-09-17 Piotr Czernichowski Conversion d'hydrocarbures assistee par les arcs electriques glissants en presence de la vapeur d'eau et/ou de gaz carbonique

Also Published As

Publication number Publication date
BR9612101A (pt) 1999-02-23
DE69613241D1 (de) 2001-07-12
ES2157471T3 (es) 2001-08-16
EP0874782B1 (de) 2001-06-06
WO1997022556A1 (en) 1997-06-26
GR3036493T3 (en) 2001-11-30
EP0874782A1 (de) 1998-11-04
CA2240283C (en) 2005-04-19
AU715144B2 (en) 2000-01-20
AU1090797A (en) 1997-07-14
US6187206B1 (en) 2001-02-13
DE69613241T2 (de) 2001-11-08
CA2240283A1 (en) 1997-06-26

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