Australia's Linc Energy, a developer
of underground coal gasification and synthetic fuels projects, has signed an exclusive agreement with PowerHouse Energy Inc, a provider of onsite energy systems that uses fossil and renewable fuels to generate electricity and synthetic gas via the Pyromex ultra high temperature above - ground gasification (UHTG) process....
That's what fans
of underground coal gasification will be saying this week at several sessions and in the keynote speech at the International Pittsburgh Coal Conference, which goes through Wednesday.
A primitive version of the technology behind this Dantean inferno
of underground coal gasification (UCG) has already been running for 50 years in the former Soviet republic of Uzbekistan.
Not exact matches
With
underground gasification, geologists would scope out thinner but broader layers
of coal found much deeper.
Fred Pearce's article on
underground coal gasification (15 February, p 36) misrepresents both the science and the words
of explanation...
If in situ
gasification of coal is feasible — and it's been done in Russia for decades — then a great deal
of the stuff is potentially exploitable, even that left behind in closed
underground mines.
Zero - emission technology most typically involved the vision
of coal gasification, in which pollutants would be separated out
of the emissions stream prior to combustion, together with carbon capture and sequestration, in which carbon dioxide would be liquified and stored permanently
underground.
The main difference between both
gasification processes is that in UCG the cavity itself becomes the reactor so that the
gasification of coal takes place
underground instead
of at the surface.
Friends
of the Earth Scotland warmly welcomed the Scottish Government's decision to ban
underground coal gasification (UCG) today.
Underground coal gasification is a risky and highly experimental technology that involves burnning
coal underground in order to extract gas, in this case under two
of Scotland's five major coastal bays.
We very warmly welcome the Energy Minister's announcement
of an effective ban on
underground coal gasification.»
Around half
of our grid - based electricity could be supplied by means
of a few very large power systems burning methane, either in the form
of natural gas or the effluvium from
underground coal gasification [the only way to employ
coal cleanly, he argues], and burying the carbon dioxide they produce.
Or it could help in the development
of techniques like
underground coal gasification.