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大气微波等离子体射流处理H_2S废气 被引量:3

Treatment of waste H_2S by atmospheric pressure microwave plasma jet
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摘要 利用大气微波等离子体射流(MPJ)技术对H2S气体进行了处理研究。考察了温度、微波功率、载气(Ar)流量及气源总流量对H2S分解效率的影响。实验结果表明,为了有利于H2S的处理,必须将温度控制在一定范围之内;随着微波功率和载气流量的增加,H2S分解率均是先增加后减小;随着气源总流量的增加,H2S分解率逐渐降低。当H2S与Ar气体流量比达到10∶90,总流量为1000mL/min,微波功率为1000 W时,H2S的分解率达到最佳值91.32%。对处理后得到的固体物质进行拉曼(Raman)光谱和X射线衍射(XRD)分析,结果表明回收得到的固体物质为纯度极高的硫。 The treatment of H2 S gas by the atmospheric pressure microwave plasma jet (MPJ) technology was studied. The influences of the temperature, the microwave power, the carrier(Ar) flow and total gas flow rate on H2 S decomposition were in- vestigated. The results show that, the temperature must be controlled in a certain range in order to process hydrogen sulfide; as the microwave power and the carrier gas flow increases, the decomposition rate of H2 S first increases, then decreases with the increase of the total gas flow rate, the decomposition rate of H2 S falls. The maximum decomposition rate of H2 S reaches to 91.32%, when the mass ratio of H2S to Ar is 10 : 90, the total flow is 1000 mL/min, and the microwave power is 1000 W. The production of the treatment was characterized by Raman spectroscopy and XRD (X ray diffraction), and the results show the solid state material is high purity sulfur.
出处 《强激光与粒子束》 EI CAS CSCD 北大核心 2013年第11期2909-2913,共5页 High Power Laser and Particle Beams
基金 国家自然科学基金项目(11175137) 武汉工程大学研究生教育创新基金项目(CX201141)
关键词 微波等离子体射流 大气压 H2S 气体处理 microwave plasma jet atmospheric pressure hydrogen sulfide gas treatment
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