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Re: humblehawk post# 8834

Thursday, 03/25/2010 1:36:25 AM

Thursday, March 25, 2010 1:36:25 AM

Post# of 64360
Here's how I look at it: you have two different types of technologies going on here: the TMEN process is the combustion of coal to produce power, whereas CCTC's tech just upgrades the coal, and gets volatiles out of it. CCTC's tech doesn't deal with combusting the coal to produce power so it's hard to compare the economics of power production when other facilities will be using their methods to combust CCTC's treated coal. When I read the TIPS paper it appears it has some novel heat exchanging processes, but it's CO2 capture troubles me. They want to capture it through cryogenics which is pricy, especially if you're just doing it to sequester it. Selling the CO2 will help, but still not the best. The TIPS process also uses pressurised oxygen which is also a part of the operation cost. I say from a money standpoint, companies will make more off CCTC's coproducts from the treatment of the coal and then the eventual combustion of the coal for power.

TMEN's paper says itself on page 4 that, "The facts on the ground and recent energy and chemical price changes support the view that the refined chemical produced by IGCC is often more valuable to subsequent chemical processes than the electricity that can be produced by its combustion."

IGCC would be tech similar to CCTC's tech. I personally like CCTC's tech, despite the fact it releases CO2 into the air. Algae or other alternatives are going to be better than cryogenically sequestering CO2. These are just my thoughts and Admiral can add his thoughts on TMEN's process. Here's the link to TMEN's technical paper:

http://www.thermoenergy.com/userfiles/File/Clearwater%20Conference%20TIPS%20Paper%204-19-05.pdf