Patent ID: 7854145

Claim:
A plasma torch ( 200 ) comprising: a confinement tube ( 201 ) for confining an induced plasma; a torch base ( 500 ) having a stainless steel surface ( 501 ) internal to the confinement tube ( 201 ), wherein the torch base ( 500 ) comprises a support ( 502 ) and a gas diffuser ( 400 ), wherein said stainless steel surface ( 501 ) internal to the confinement tube ( 201 ) is coated with a ceramic material ( 700 ); an induction coil ( 202 ) that is wound around said confinement tube ( 201 ) to create a plasma flame ( 600 ); and a current generator ( 210 ) feeding said induction coil ( 202 ) of the plasma torch ( 200 ) at an input power of at least about 130 kilowatts.