Restaurant waste is often generated in large quantities in cities.It is a potential hazardous material to environment without proper disposal [17]. Restaurant waste was collected from restaurants in Wuhan city, China, by Hubei Tianji Bioengineer Co. Ltd.; a government authorized biodiesel processing plant located in Huazhong Agricultural University. After removal of the waste grease for biodiesel production by the plant, the restaurant solid waste (RSW) was sampled and used for this study.