| 摘要 |
1491205 Flameless heater; oxidation catalysts IMPERIAL CHEMICAL INDUSTRIES Ltd 25 Oct 1974 [7 Nov 1973 5 Aug 1974] 51593/73 and 34332/74 Headings B1E and BIF A flameless heater device comprises a catalyst bed comprising at least one combustion catalyst supported on synthetic metal oxide polycrystalline fibres and means for conducting the fuel or fuel/air mixture through the bed from one side thereof, the catalyst bed being arranged so that the fuel reacts with oxygen diffusing from the other side of the bed. The catalyst may be Pt, Pd or Rh or mixtures thereof plus Cr, Co, Cu, Mn or Fe or their oxides; the support may be felted fibres of alumina, zirconia, titania, thoria, alumina/silica or zirconia/silica. The bed may be treated with potassium hydroxide. The fuel may be gaseous or vaporisable (e.g. kerosene). |
