| Issue |
E3S Web Conf.
Volume 174, 2020
Vth International Innovative Mining Symposium
|
|
|---|---|---|
| Article Number | 01038 | |
| Number of page(s) | 6 | |
| Section | Environment Saving Mining Technologies | |
| DOI | https://doi.org/10.1051/e3sconf/202017401038 | |
| Published online | 18 June 2020 | |
Complex analysis of polymer wastes in coal enrichment for the purpose of their utilization
1 T.F. Gorbachev Kuzbass State Technical University, Department of Coal Chemistry, Plastics Materials and Environmental Engineering,
2 T.F. Gorbachev Kuzbass State Technical University, Department of Mineral Processing, Bld. 28, Vesennyaya Str., 650000 Kemerovo, Russian Federation
At ‘wet’ methods of minerals processing in order to dewater flotation concentrates, flotation waste and low-ash coal slurry, highly effi- cient equipment is used such as disk vacuum filters, belt filter presses, etc. On the filter surfaces of these machines, a filter cloth made of poly- caproamide fiber is attached or put on, which eventually goes out-of use for various reasons and is transported to dumps (landfills). The paper pre- sents a complex of physical and chemical analyses to evaluate influence of operating conditions of the filter cloth on the thermal and technological properties of the polymer. The results of the study showed a possibility of re-processing (recycling) of the out-of use filter material from vacuum fil- ters in order to obtain marketable recycled polycaproamide.
© The Authors, published by EDP Sciences, 2020
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