Energy in the form of heat is recoverable and controllable in a process that reacts an acid and a base in the presence of steam. The recovered heat energy can be used to vaporize water to form steam which when used in conjunction with a turbine will produce electricity....http://www.google.com.tw/patents/US7204968?utm_source=gb-gplus-share專利 US7204968 - Method of producing heat energy
