Patent ID: 11920098
Assignee: TECHNIP FRANCE
Field: Chemical engineering (Chemistry)
Classification: CPC C  B  F | IPC B  C  F

Claim 11:
12. An installation for treating a feed gas, comprising:
an natural gas liquids extractor;
at least a pipe supplying a feed gas stream and conveying the feed gas stream into the extractor;
the extractor comprising:
a cooler of the feed gas stream, configured to produce a cooled feed stream;
an expander and a separator configured to separate at least one stream obtained from the cooled feed gas stream, the separator comprising a separation column, the separator being configured to produce a treated gas stream and a natural gas liquid stream;
at least one compressor configured to compress the treated gas stream, to form a compressed treated gas stream;
a fractionator configured to fractionate the natural gas liquid stream into a plurality of hydrocarbon cuts;
a recycle stream withdrawer configured to withdraw a recycle stream in the compressed treated gas stream;
a recycle stream introducer configured to reintroduce, without cooling, the recycle stream into at least one of:
the feed gas stream upstream of the extractor, or
the cooled feed gas stream, or
a stream obtained from the cooled feed gas stream, upstream of the expander.