Expert ForumsHeat Transfer

Topic: Re: Methanol use for a closed-loop geothermal heat pump

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I have very little experience in geothermal systems but was surprised to hear that methanol is being used, primarily as an antifreeze and at about 25% concentration. I did a little digging and the following websites may offer some guidance to your reader:http://www.oee.nrcan.gc.ca/publications/infosource/pub/ici/caddet/english/r413.cfm?attr=20http://en.wikipedia.org/wiki/Geothermal_exchange_heat_pumphttp://www.geoecs.com/14.html