LNG STORAGE TANK VAPOR RECOVERY BY NITROGEN CYCLE REFRIGERATION WITH REFRIGERATION MAKE-UP PROVIDED BY SEPARATION OF SAME VAPOR

摘要

Method and device of treatment of natural gas contained in storage tanks, for producing liquid nitrogen by extraction of nitrogen from the vapours resulting from the evaporation of said liquefied natural gas in said tanks, liquefaction of a portion of said extracted nitrogen and storage thereof for forming a reserve of cold.