Sludge is an important process of sewage treatment plant. Unsuitable disposal of sludge may induce secondary pollution. With the enhancement of the consciousness and intensity of environmental protection
many geoenvironmental engineers at home and abroad focus on the studying the disposal and utilization technologies of sludge. Based on the summarization of published literatures
the paper discusses the disposal and utilization technologies of sludge are discussed. The commonly using methods of sludge treatment are summarized
including common landfill
sludge incineration
agriculture utilization
solidification and stabilization
and bioremediation. The advantages and disadvantages of various methods are analyzed and evaluated