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Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?

To: miraje who wrote (11108)	7/10/2009 5:19:06 PM
From: jrhana	Read Replies (1) \| Respond to of 86355

Very interesting thank you. I wonder how practical it is on a large scale. It seems mostly to be designed for use on byproduct or flare NG from oil production. <The process converts roughly 50 percent of the natural gas to acetylene—the other half is burned for the heat that drives the process, which still releases CO2 into the atmosphere—and nearly all of that acetylene to ethylene, and then ethylene to fuel. "Overall conversion rates from the [natural] gas to fuel-grade liquids is as high as 46 percent in optimal, real-world conditions," > <"From an environmental point of view, any use of natural gas is preferable to flaring," notes chemical engineer James Miller of Sandia National Laboratories. But "the economics would be highly dependent on what you do with the syngas components of this [process]."> scientificamerican.com And <Using Gas-to-liquids processes, refineries can convert some of their gaseous waste products into valuable fuel oils, which can be sold as or blended only with diesel fuel. It may also be used for the economic extraction of gas deposits in locations where it is not economical to build a pipeline. This process will be increasingly significant as crude oil resources are depleted. Shell produces a diesel from natural gas in a factory in Bintulu, Malaysia. On 1 February 2008, the Airbus A380 was the first commercial airliner to fly with GTL-based fuel.> en.wikipedia.org