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1. WO1997014528 - PLASMALYSIS TREATMENT METHOD FOR WASTE MATTER

Publication Number WO/1997/014528
Publication Date 24.04.1997
International Application No. PCT/US1995/013317
International Filing Date 20.10.1995
Chapter 2 Demand Filed 20.05.1997
IPC
C10B 19/00 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
19Heating of coke ovens by electrical means
C10B 53/00 2006.01
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
BDESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
53Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
C22B 4/00 2006.01
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
4Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
H01J 37/32 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
37Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
32Gas-filled discharge tubes
H05H 1/44 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY- CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
1Generating plasma; Handling plasma
24Generating plasma
26Plasma torches
32using an arc
44using more than one torch
CPC
C10B 19/00
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
BDESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
19Heating of coke ovens by electrical means
C10B 53/00
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
BDESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
53Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
C22B 4/005
CCHEMISTRY; METALLURGY
22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
BPRODUCTION AND REFINING OF METALS
4Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
005using plasma jets
H01J 37/32055
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
37Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
32Gas-filled discharge tubes, ; e.g. for surface treatment of objects such as coating, plating, etching, sterilising or bringing about chemical reactions
32009Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
32055Arc discharge
H01J 37/32064
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
37Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
32Gas-filled discharge tubes, ; e.g. for surface treatment of objects such as coating, plating, etching, sterilising or bringing about chemical reactions
32009Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
32055Arc discharge
32064Circuits specially adapted for controlling the arc discharge
H05H 1/44
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
HPLASMA TECHNIQUE
1Generating plasma; Handling plasma
24Generating plasma
26Plasma torches
32using an arc
44using more than one torch
Applicants
  • REFRANCO CORP. [US]/[US]
Inventors
  • TYLKO, Jozef, K.
Agents
  • SIVERTSON, Wayne, A.
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PLASMALYSIS TREATMENT METHOD FOR WASTE MATTER
(FR) PROCEDE PLASMALYTIQUE D'ELIMINATION DES DECHETS
Abstract
(EN)
A method for the treatment of waste matter by plasma action. A plurality of electrode structures (14) are positioned to define a reaction zone associated with the inter-electrode space. The inter-electrode space is conditioned (as by preionizing) and a series of discrete electrical discharges are produced throughout the reaction zone (13). In a preferred embodiment, the reaction zone (13) is subjected to a sequence of discrete electrical discharges in a time interval less than the residence time of material to be treated within the reaction zone such that the waste material is pyrolyzed during its transit through the reaction zone (13).
(FR)
La présente invention concerne un procédé d'élimination des déchets sous l'effet d'un plasma. Une pluralité de structures d'électrodes (14) sont positionnées de façon à définir une zone de réaction associée à l'espace inter-électrodes. Cet espace inter-électrodes étant conditionné (notamment par ionisation préalable), le procédé consiste à produire une série de décharges électriques discrètes dans toute la zone de réaction (13). Selon une réalisation préférée, la zone de réaction (13) est soumise à une suite de décharges électriques discrètes selon des intervalles de temps inférieurs à la période de stationnement du matériau à traiter dans la zone de réaction, de façon que les déchets se pyrolysent pendant leur transit dans la zone de réaction (13).
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