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1. WO1999028015 - METHOD AND APPARATUS FOR PROCESSING EFFLUENTS USING NON-THERMAL PLASMA

Publication Number WO/1999/028015
Publication Date 10.06.1999
International Application No. PCT/NO1998/000357
International Filing Date 02.12.1998
IPC
B01D 53/32 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols
32by electrical effects other than those provided for in group B01D61/89
B01J 19/08 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
19Chemical, physical or physico-chemical processes in general; Their relevant apparatus
08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
CPC
B01D 53/323
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
53Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,
32by electrical effects other than those provided for in group B01D61/00
323by electrostatic effects or by high-voltage electric fields
B01J 19/088
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
19Chemical, physical or physico-chemical processes in general; Their relevant apparatus
08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
087employing electric or magnetic energy
088giving rise to electric discharges
B01J 2219/0807
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2219Chemical, physical or physico-chemical processes in general; Their relevant apparatus
08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
0803employing electric or magnetic energy
0805giving rise to electric discharges
0807involving electrodes
B01J 2219/0875
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2219Chemical, physical or physico-chemical processes in general; Their relevant apparatus
08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
0873Materials to be treated
0875Gas
B01J 2219/0877
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2219Chemical, physical or physico-chemical processes in general; Their relevant apparatus
08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
0873Materials to be treated
0877Liquid
B01J 2219/0879
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
2219Chemical, physical or physico-chemical processes in general; Their relevant apparatus
08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
0873Materials to be treated
0879Solid
Applicants
  • APPLIED PLASMA PHYSICS AS [NO]/[NO] (AllExceptUS)
  • JOHNSEN, Torfinn [NO]/[NO] (UsOnly)
Inventors
  • JOHNSEN, Torfinn
Agents
  • ONSAGERS PATENTKONTOR - DEFENSOR AS
Priority Data
1997560303.12.1997NO
Publication Language English (en)
Filing Language Norvegian (NO)
Designated States
Title
(EN) METHOD AND APPARATUS FOR PROCESSING EFFLUENTS USING NON-THERMAL PLASMA
(FR) PROCEDE ET APPAREIL DE TRAITEMENT D'EFFLUENTS PAR UN PLASMA NON THERMIQUE
Abstract
(EN) A method is described for achieving cost-effective and reliable purification of a contaminant (3) in a reaction chamber (2) by means of non-thermal plasma. The non-thermal plasma is created by applying to the electrodes (4, 6) in the reaction chamber a powerful direct voltage and a superimposed alternating voltage with a relatively lower amplitude. Alternative designs of the electrodes (4, 6) in the reaction chamber are also described. These designs are specially suited to the application of the method.
(FR) L'invention porte sur un procédé économique et fiable de purification d'un contaminant (3) présent dans une chambre (2) de réaction, à l'aide d'un plasma non thermique. Ce dernier est créé par application à des électrodes (4, 6) de la chambre de réaction d'une tension c.c. élevée superposée à une tension c.a. d'amplitude relativement faible. L'invention porte également sur des types d'électrodes (4, 6) particulièrement adaptées audit procédé.
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