F - Mech Eng,Light,Heat,Weapons – 25 – J
Patent
F - Mech Eng,Light,Heat,Weapons
25
J
162/113
F25J 3/00 (2006.01) C07C 7/04 (2006.01) F25J 3/02 (2006.01)
Patent
CA 1272949
"PROCESS FOR THE SEPARATION OF C2+ HYDROCARBONS FROM NATURAL GAS" Abstract of the Disclosure A process for the separation of C2+ hydrocarbons from natural gas under pressure wherein the natural gas is cooled (2, 6), partially condensed, and separated (9) into a liquid fraction and a gaseous fraction. The liquid frac- tion (10) is subcooled (11) and then expanded into the upper zone of a rectifying column (7). The gaseous frac- tion (23), after engine expansion (25), is also introduced into the rectifying column (7). During rectification, a product stream (37) containing essentially C2+ hydrocarbons and a residual gas stream (22) containing predominantly lower-boiling components are obtained. The residual gas stream (22) is initially heated by heat exchange (11) with the liquid fraction (10) and then heated by heat exchange (21) with the gaseous fraction obtained after partial con- densation. The residual gas stream is then further heated (6, 2) by heat exchange with the feed stream of natural gas to be partially condensed. The heated residual gas is then engine expanded (28) and reheated again by heat exchange with the feed stream of natural gas to be partially condensed (2).
517129
Bauer Heinz
Sapper Rainer
Bauer Heinz
Johnson Ernest Peter
Linde Aktiengesellschaft
Sapper Rainer
LandOfFree
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