Catalyst-free partial oxidation process for natural gas

2018-03-05View Original

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The uncatalyzed partial oxidation process involves the partial combustion of hydrocarbons with oxygen under high temperature and pressure in the absence of a catalyst, to produce CO + H2. The exit temperature of the converter is 1200–1300 degrees, with a residual carbon content of about 0.3% (on a dry basis). The operation is relatively simple, and the steam consumption for conversion is low. However, the reaction temperature is high, and the burner used during startup is different from those used in operation, requiring replacement during operation. The burner requires a dedicated water cooling system for protection. Main reactions: CH4+2O2＝CO2+2H2O+Q; H2+1/2O2＝H2O+Q; CO+1/2O2＝CO2+Q; CH4+H2O＝3H2+CO – 206 KJ/Kmol; CH4+CO2＝2H2+2CO – 247 KJ/Kmol; H2+CO2＝H2O+CO – Q

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Catalyst-free partial oxidation process for natural gas

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