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> In other articles (aquaCorps "C2", pp 24 'BAILOUT') it's mentioned > that at least one unspecified absorbent material is exothermic, so much > so that the reaction noticably warms the diver's helmet in cold > water. I think most, if not all, absorbent materials are exothermic when reacting with CO2. I know that lithium hydroxide and sofnolime are for certain. > My question is, has anyone intentionally designed an absorbent canister > to make use of the heat biproduct to keep the absorbent at its optimum > operating temperature? If not, why not? Because the heat is generated at the site of the reaction, it already works to raise the temperature of the absorbent directly -- no special design needed. Aloha, Rich Richard Pyle deepreef@bi*.bi*.ha*.or* ******************************************************************* "WHATEVER happens to you when you willingly go underwater is COMPLETELY and ENTIRELY your own responsibility! If you cannot accept this responsibility, stay out of the water!" *******************************************************************
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