Global Patent Index - EP 0629138 B1

EP 0629138 B1 2000-08-09 - MATERIAL PROCESSING

Title (en)

MATERIAL PROCESSING

Title (de)

STOFFBEHANDLUNG

Title (fr)

TRAITEMENT DE MATERIAUX

Publication

EP 0629138 B1 (EN)

Application

EP 93905105 A

Priority

  • AU 9300089 W
  • AU PL118892 A

Abstract (en)

[origin: WO9317759A1] A material treatment process, and particularly such a process for the destruction of waste material. The process involves pyrolysis of waste material within a plasma torch and a hot zone which receives the material stream from the torch. Waste material is injected into the torch as a fine spray and/or as a gas, and the direction of injection is generally transverse to the direction of movement of the plasma through the torch. The location of the injection is such that the waste material is injected directly into the core of the plasma. The hot zone is of a length such as to ensure complete pyrolysis of the material, and that zone is immediately followed by a cooling zone in which the material is subjected to very rapid quenching. The material stream entering the cooling zone is at a temperature above that at which CO in the material stream tends to re-form into CO2 in the material stream includes particulate carbon which is used to absorb residual toxic compounds when the material is subjected to an alkaline environment within the cooling zone and/or a scrubber following that zone.

IPC 1-7 (main, further and additional classification)

A62D 3/00; B09B 3/00

IPC 8 full level (invention and additional information)

A62D 3/19 (2007.01); A62D 3/40 (2007.01); C10B 19/00 (2006.01); C10B 39/04 (2006.01); C10B 53/00 (2006.01); A62D 101/22 (2007.01); A62D 101/28 (2007.01)

CPC (invention and additional information)

A62D 3/40 (2013.01); A62D 1/0028 (2013.01); A62D 3/19 (2013.01); C10B 19/00 (2013.01); C10B 39/04 (2013.01); C10B 53/00 (2013.01); A62D 2101/22 (2013.01); A62D 2101/28 (2013.01); A62D 2203/04 (2013.01); A62D 2203/10 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 9317759 A1 19930916; AT 195261 T 20000815; CN 1036635 C 19971210; CN 1081923 A 19940216; DE 69329189 D1 20000914; DE 69329189 T2 20010125; EP 0629138 A1 19941221; EP 0629138 A4 19950104; EP 0629138 B1 20000809; ES 2149199 T3 20001101; GR 3034802 T3 20010228; PT 629138 E 20010131

INPADOC legal status


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