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Mixed refrigerant cycle(MRC), with mixed refrigerant of C1 to C5 hydrocarbons, N2 and several other compositions as the working medium, cooling (as low as -50 ℃ and below ) the feed gas after the purification process of deacidification...
Pure propane (or ammonia) refrigeration method is based on pure propane (or pure ammonia) as the working medium, cooling(propane can be as low as -40 ℃, ammonia can be as low as -30 ℃ )the feed gas...