Process for the adjustment of the calorific power superior of the gas in the chain of the lng.

摘要

The present invention relates to a process for the treatment of a natural gas containing ethane, comprising the following steps: (a) extraction of at least a portion of the natural gas; (b) the reforming of at least a portion of the ethane extraction in a synthesis gas; (c) methanation of the synthesis gas by a gas rich in methane; and (d) a mixture of the gas rich in methane gas naturel.installation for implementing this process.