Partial oxidation process

Details Partial oxidation process Partial oxidation process

C - Chemistry, Metallurgy

10

J

48/26

C10J 3/46 (2006.01) C10J 3/72 (2006.01)

Patent

CA 1109269

PARTIAL OXIDATION PROCESS (D#73,184-1 FB) ABSTRACT Sensible heat in the hot effluent gas stream leaving a partial oxidation gas generator for the production of gaseous mixtures comprising H2+CO i.e. synthesis gas, reducing gas, or fuel gas, is used at maximum temperature to heat a stream of gaseous heat transfer fluid comprising a portion of the product gas circulating in a substantially closed loop. The heat transfer fluid serves as the working fluid in a turbine that produces mechanical work, electrical energy, or both. Further, the heat transfer fluid leaving the turbine may be used to preheat hydrocarbonaceous feed and free-oxygen containing gas which is then introduced into the gas generator. A shell and tube heat exchanger in which cleaned and optionally purified generator gas is continuously bled from inside the tubes to the out- side, or the reverse may be employed. By this means the surfaces of the tubes and headers in the heat exchanger may be protected from the surrounding hot effluent gas stream from the gas generator which enters the heat exchanger at maximum temperature. The bleedstream mixes with the effluent gas stream passing through the heat exchanger and a portion of this mixture is recycled as make-up. -I-

306829

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