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影响微波辐照脱硫过程因素的试验研究

Experimental study of the influence of desulfurization by microwave radiation

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【作者】 隋建才丘纪华程荣程纪东

【Author】 Sui Jiancai Qiu Jihua Cheng Rong Cheng JidongSui Jiancai Doctoral Candidate; State Key Lab. of Coal Combustion, Huazhong Univ. of Sci. & Tech., Wuhan 430074, China.

【机构】 华中科技大学煤燃烧国家重点实验室华中科技大学煤燃烧国家重点实验室 湖北武汉430074湖北武汉430074湖北武汉430074

【摘要】 应用微波辐照方法 ,采用单因子法考察了微波照射时间、煤粉粒径、浸提剂等因素对黄铁矿向磁黄铁矿转化效果的影响 .并应用正交试验考察各因素对黄铁矿转化效果的综合影响 ,优选出黄铁矿转化的最佳工艺条件为 :微波辐照 3min、加NaOH浸提剂、煤粉粒径为 0 .0 86~ 0 .10 2mm ,此时转化率可达到 4 5 .7%

【Abstract】 The high sulfur coal was treated under microwave radiation. The effect of treating condition, including irradiation time, the size of pulverized coal, and additive substance (Na2CO3, NaOH and CuCl2·2H2O) on the conversion rate of pyrite was studied by single factor method. The Orthogonal design method was used to explore these factors of influencing the conversion rate of pyrite, and the optimal treating conditions of conversion by microwave radiation obtained. The optimum conditions are that treatment time is 3 min, the range of the particle size is from 0.008?6 to 0.102?mm, and sodium hydroxide is used as additive so that the conversion rate of pyrite can reach up to 45.7?%.

  • 【文献出处】 华中科技大学学报(自然科学版) ,Journal of Huazhong University of Science and Technology , 编辑部邮箱 ,2004年06期
  • 【分类号】X701.3
  • 【被引频次】22
  • 【下载频次】239
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