煤中含硫杂质的微波响应特性是研究煤炭微波脱硫的基础性问题。本文选取了几种典型的硫醇硫醚类煤炭含硫模型化合物及其结构类似物,采用同轴空气线法测试了其在9 k Hz^6.5 GHz频率的介电性质。结果表明,ε′的大小关系为:三苯基甲硫醇&...煤中含硫杂质的微波响应特性是研究煤炭微波脱硫的基础性问题。本文选取了几种典型的硫醇硫醚类煤炭含硫模型化合物及其结构类似物,采用同轴空气线法测试了其在9 k Hz^6.5 GHz频率的介电性质。结果表明,ε′的大小关系为:三苯基甲硫醇>三苯基甲醇>二苯二硫醚>二苄基硫醚>联苄;ε″和tanδ的大小关系为:二苯二硫醚>三苯基甲硫醇>三苯基甲醇>二苄基硫醚>联苄。在频率2.2 GHz附近,可以实现二苯二硫醚和三苯基甲硫醇的选择性加热。展开更多
The Permian coal in southwest China contains highest sulfur among the Chinese coal .Compositional variations of sumir in coal are mainly controlled by palaogeographital environmentsduring peat accumulation. High organ...The Permian coal in southwest China contains highest sulfur among the Chinese coal .Compositional variations of sumir in coal are mainly controlled by palaogeographital environmentsduring peat accumulation. High organic sulfur coal is formed in peat swamp developing in tidal flat of limited carbonate platform, and it is provided with especial petrologital and geochemical characteristics, and its organoschr-containing compounds are mainly thiophene series. The macroscopitaland microscopical shapes or types of pyrites in Late Permisn coal are diversined. Bituminous coal and anthracite are diamagnetic, but the pyrites are paramagnetic. The magnetic susceptibility oftbe pyrites is depended on the content of paramagnatic elements associnted with pyrites.展开更多
Preliminary sink-float experiments on high-sulfur coal was done in some mining areas and carried on elementary analysis, industrial analysis, and ashcontent analysis. Through the experiments, definite middlings, and g...Preliminary sink-float experiments on high-sulfur coal was done in some mining areas and carried on elementary analysis, industrial analysis, and ashcontent analysis. Through the experiments, definite middlings, and gangue, the phase analysis of sulfur was carried on, by which a good understanding of sulfur characters in raw coal was achieved.展开更多
文摘煤中含硫杂质的微波响应特性是研究煤炭微波脱硫的基础性问题。本文选取了几种典型的硫醇硫醚类煤炭含硫模型化合物及其结构类似物,采用同轴空气线法测试了其在9 k Hz^6.5 GHz频率的介电性质。结果表明,ε′的大小关系为:三苯基甲硫醇>三苯基甲醇>二苯二硫醚>二苄基硫醚>联苄;ε″和tanδ的大小关系为:二苯二硫醚>三苯基甲硫醇>三苯基甲醇>二苄基硫醚>联苄。在频率2.2 GHz附近,可以实现二苯二硫醚和三苯基甲硫醇的选择性加热。
文摘The Permian coal in southwest China contains highest sulfur among the Chinese coal .Compositional variations of sumir in coal are mainly controlled by palaogeographital environmentsduring peat accumulation. High organic sulfur coal is formed in peat swamp developing in tidal flat of limited carbonate platform, and it is provided with especial petrologital and geochemical characteristics, and its organoschr-containing compounds are mainly thiophene series. The macroscopitaland microscopical shapes or types of pyrites in Late Permisn coal are diversined. Bituminous coal and anthracite are diamagnetic, but the pyrites are paramagnetic. The magnetic susceptibility oftbe pyrites is depended on the content of paramagnatic elements associnted with pyrites.
文摘Preliminary sink-float experiments on high-sulfur coal was done in some mining areas and carried on elementary analysis, industrial analysis, and ashcontent analysis. Through the experiments, definite middlings, and gangue, the phase analysis of sulfur was carried on, by which a good understanding of sulfur characters in raw coal was achieved.