There are many proposals for LNG export from USA taking advantage of the new excess of supply over demand due to shale gas supply.
I am interested in the clean up of the shale gas
I am aware of Lake Charles & Freetown LNG which are intending to use pipeline gas which must have been cleaned up (CO2, H2S, H2O, heavy hydrocarbons, N2 removed)
These removal processes are energy and capital intensive (in my experience of large gas processing plants) and my perspective is that the shale sites are relatively small. However putting gas into a pipeline with all these useless, corrosive components imposes a cost on the pipeline so small scale clean up may have a payback.
The basis for this is that LNG liquefaction is so much easier if the feedstock is a clean pipeline quality gas compared to the variable and ever changing gas that a producing field delivers.
Naturally the many shale producers could supply a central processing unit which then ties into a U.S. pipeline system.
Any thoughts?
Shale Gas for LNG
Re: Shale gas for LNG
