Teaching Reform of Solid Waste Treatment Course under the Background of"Zero-waste City":A Case Study of Resource Conversion of Solid Waste Containing Thallium
In 2018,China put forward the concept of"zero-waste city",and the recycling of solid waste is one of the key ways to achieve the goal of"zero-waste city".This paper expounds the"zero-waste city",and clearly points out that the principles of"reduction","resource"and"harmless"of solid waste reflect the concept of"zero-waste city",and the premise of resource is harmless,which is the requirement of the revision of the teaching syllabus of"solid Waste Treatment".In addition,with the development of new energy batteries,the rapid development of the lithium industry,resulting in the accumulation of thallium-containing solid waste related to the lithium industry,the current effective treatment and disposal of thallium-containing solid waste will be a key bottleneck for the entire lithium industry.Taking thallium-containing solid waste as an example,this paper describes the resource utilization of thallium-containing solid waste from the aspects of thallium characteristics of dispersed metal,the source of Thallium-containing solid waste,the enrichment methods of thallium-containing solid waste(including fire/wet enrichment of thallium,enrichment of thallium concentrate in dust,enrichment of thallium by ion exchange method),and the conversion of solid waste into building materials after enrichment.To discuss the revision and reform of the course syllabus and teaching content of Solid Waste Treatment,so as to provide talent guarantee for the realization of the goal of"zero-waste city"and the construction of ecological civilization in China.
zero-waste citysolid waste treatmentteaching reformresources of solid waste containing thallium
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