Study On Co-gasification Characteristics Of Coal, Biomass And Electronic Waste

In this paper, the TGA experiments of the gasification for the sawdust, wheat straw, Yangquan coal and circuit board at CO2 atmosphere were carried out. The gasification characteristics of coal char, biomass char and mixed char were studied. The kinetics of all the samples was analyzed using the DAEM model. The results show that: increased heating rate leads to increasing onset temperature of gasification and decreasing reaction time for all the samples. Among coal char, sawdust char and straw char, the activation energy of coal char was the highest and the lowest of the straw char. When the Na salt and Ca salt were added, for all the samples, the onset temperature of gasification decreased and the activation energy reduced. The gasification rate of coal char and biomass char decreased and the activation energy of these samples increased, when the circuit board was added.