The acid sludge produced in the production process of chemical,metallurgical and other industries comes with high content of harmful sub-stances and water,low utilization rate and high storage challenge.Taking the acid sludge produced by an enterprise as the research topic,the source and characteristics of the sludge are analyzed,the pretreatment test is carried out by high temperature and high pressure process,the reaction conditions and the changes of the characteristics of the acid sludge after pretreatment are examined,and the optimal reaction conditions to effectively reduce the moisture content of the acid sludge are explored,so as to achieve the emission reduction and improve the utilization rate of the acid sludge,and provide reference for the disposal of this kind of solid waste.
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