Abstract: In this paper,the method of desorption without sodium cyanide has introduced.With alkaline alcohol solution desorption,desorption rate is more than 98%.In average ethanol recovery rate is 94.16%,the efficiency of electrolyze is over 99.7%,handling carries golden charcoal about 1t,produce to join quality golden 11.5kg and quality 98.2%,every technology index of production is better.