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In a process for recovering or fractionating a mixture composed mainly of butane and propane and present in a crude gas, using an external mechanical cooling loop, the mixture itself constitutes the cooling fluid in the loop and the loop comprises a compressor, a condenser, a storage tank and a heat

In a process for recovering or fractionating a mixture composed mainly of butane and propane and present in a crude gas, using an external mechanical cooling loop, the mixture itself constitutes the cooling fluid in the loop and the loop comprises a compressor, a condenser, a storage tank and a heat exchanger in series.

대표청구항 ▼

A cooling process, comprising; cooling a fluid flow for recovering or fractionating an NGL mixture including substantial portions of butane and propane and present in a crude gas with a closed cooling loop which includes a mechanical cycle by passing a coolant through said loop substantially flow-is

A cooling process, comprising; cooling a fluid flow for recovering or fractionating an NGL mixture including substantial portions of butane and propane and present in a crude gas with a closed cooling loop which includes a mechanical cycle by passing a coolant through said loop substantially flow-isolated from said fluid flow, said coolant consisting primarily of said NGL mixture.