4Bayer B,Kumbuddin M.Temperature Con- version of Sludge and Waste to Oil [A]. Proceedings of the International Recycling Congress[C]. Berlin:EF Veflag, 1978 : 314-318.
6Fu-Shen Zhang,Jerome O. Nriagu, Hideaki Itoh. Mercury removal from water using activated carbons derived from organic sewage sludge [J], Water research, 2005,39 : 389-395.