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The high contents of AAEM (alkali and alkaline earth metals) and sulfur in zhundong coal result in more fine particulate matter during coal combustion. In this paper, the emission of fine particulates from zhundong coal riched in AAEM-sulfur and zhunnan coal riched in aluminum-silicon was investigated in a drop tube furnace. Co-combustion of zhundong coal and zhunnan coal was further investigated...
Alkali chlorides and sulfates are well-known species induced fouling, slagging and corrosion on the heat transfer surface in biomass combustion/gasification process. This paper aims to study the condensation behavior of alkali compound vapors (ACVs) during wheat straw combustion in laboratory, without the participation of ash particles. The effects of surface temperature of Fe-Cr-Ni alloy probe on...
The high sodium content in Xinjiang coal ash induces severe fouling and slagging in pulverized coal furnaces. To solve these problems, many people have reported to use silicon–aluminum additives. In this paper, the effects of silicon–aluminum additives (SiO2, kaolin, and fly ash) on ash fusion characteristic, mineral transformation, and sodium emission were investigated. The results showed that the...
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