In reply to Horace Heffner's message of Sat, 9 Apr 2005 06:36:37 -0800: Hi, [snip] >Storage of *both* the heat and cold generated by air liquifaction might be >a sensible way to go. Liquid air is easy to store at high efficiency, and >heat from compression can be stored in thermal wells or by using salt phase >exchange, though a much lower melting point salt would have to be used to >directly obtain the heat from the compression. I would expect thermal wells >to be cheaper than salt tanks, and if drilled deep enough, they produce >geothermal heat also. [snip] Are you suggesting thermal wells as an alternative to salt phase exchange, or a combination of both?
Regards, Robin van Spaandonk All SPAM goes in the trash unread.
