CAJ | 학술논문

采用微波联合碱液的方法进行煤炭脱硫实验研究，考察了煤炭粒度、碱液浓度、辐照时间、微波功率对脱硫效果的影响，以及脱硫前后煤中矿物质与含硫官能团的变化。结果表明：在所选择的参数范围内，脱硫率随着煤炭粒度的减小而增大，随着碱液浓度、辐照时间、微波功率的增大而增大。X RD分析表明，脱硫后煤中矿物质种类未发生显著变化，但含量明显降低。红外光谱分析表明，脱硫后煤的整体结构未发生显著变化，但含硫官能团吸收峰明显减弱。
채용미파연합감액적방법진행매탄탈류실험연구，고찰료매탄립도、감액농도、복조시간、미파공솔대탈류효과적영향，이급탈류전후매중광물질여함류관능단적변화。결과표명：재소선택적삼수범위내，탈류솔수착매탄립도적감소이증대，수착감액농도、복조시간、미파공솔적증대이증대。X RD분석표명，탈류후매중광물질충류미발생현저변화，단함량명현강저。홍외광보분석표명，탈류후매적정체결구미발생현저변화，단함류관능단흡수봉명현감약。
With NaOH solution as assistant agent ,coal desulfurizaition test was carried out to find out the influences of such factors as coal particle size ,concentration of NaOH solution ,irradiation time ,and power on desulfurization ,and the changes of minerals and sulfur‐containing functional groups in coal before and after desulfurization were also studied .It was indicated that ,in the selected range of parameters , decreasing the coal particle size would contribute to desulfurization ,and increasing the NaOH solution , irradiation time ,and power would result in a better desulphurization efficiency .According to the analysis of XRD and FTIR of coal samples before and after desulfurization ,the content of minerals decreased significantly without any striking defferences in species ,and the absorption peaks of sulfur containing functional groups decreased without any significant damage to the coal structure .