1. Introduction E waste describes loosely discarded, surplus, obsolete, broken, electrical or electronic devices. Rapid
technology change ,low initial cost have resulted in a fast growing surplus of electronic waste around
the globe .Several tonnes of E waste need to be disposed per year. Traditional landfill or stockpile
method is not an environmental friendly solution and the disposal process is also very difficult to meet
EPA regulations. How to reuse the non disposable E waste becomes an important research topic.