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硫碘制氢中本生反应两相分离的试验研究 被引量：1

EXPERIMENTAL INVESTIGATION ON TWO-PHASE SEPARATION\CHARACTERISTICS OF BUNSEN REACTION IN SULFUR-IODINE CYCLE FOR HYDROGEN PRODUCTION
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摘要 采用恒温法测定293～363K温度范围内I2在不同配比的HI/H2O二元溶液中的溶解度,同时研究328K和345K温度下过量碘量和水量对本生反应产物的两相(硫酸相和碘化氢相)分离特性的影响。结果显示:I2在HI/H2O两元体系中的溶解度随温度的增加而增加,随二元体系中H2O比重的增加而降低;过量碘的加入能显著改善两相分离的效果,两相中杂质的最大相对降幅达到约85%;过量水的加入不利于两相的净化;模拟液完成两相分离的时间受其组分影响较小,分层能在2min内进行完全。 The solubility of iodine in deferent HL/H2O solvents was measured by constant-temperature method from the temperature of 293K to 363K. The effects of excess iodine as well as excess H2O on two-phase （ H2SO4 phase and HI phase） separation characteristics were also investigated at 328K and 345K. The results indicate that the solubility of iodine in HI/H2O solvents is increases along with temperature while decreases by increasing H2O molar ratio. The two-phase separation characteristics are significantly improved by the excess iodine while excess H2O makes two phase impurity. The maximum relative reduction of impurities in two phase affected by excess iodine is about 85 %. The two-phase separation time is less than 2 minutes and it is slightly affected by solution components.
作者 杨剑 黄镇宇 胡莹超 王智化 张彦威 周俊虎 岑可法
机构地区 浙江大学能源清洁利用国家重点实验室
出处 《太阳能学报》 EI CAS CSCD 北大核心 2012年第8期1289-1294,共6页 Acta Energiae Solaris Sinica
基金 国家高技术研究发展(863)计划(2008AA05Z103)
关键词 制氢 热化学水分解 硫碘循环 本生反应 溶解度 两相分离 hydrogen production thermo-ehemical water splitting sulfur-iodine cycle Bunsen reaction solubility two-phase separation
分类号 TK91 [动力工程及工程热物理]
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参考文献15

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二级参考文献11

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共引文献7

同被引文献13

  • 1周俊虎,谢琳,程军,谢斌飞,戚峰,岑可法.富含三类大分子有机质的废弃食物发酵产氢特性[J].浙江大学学报（工学版）,2006,40(11):2007-2010. 被引量：9
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  • 8GIACONIA A,CAPUTO G,CEROLI A,et al. Experimentalstudy of two phase separation in the Bunsen section ofthe sulfur-iodine thermochemical cycle[J]. International Journalof Hydrogen Energy,2007,32(5):531-536.
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  • 10COLETTE MAATOUK S,BRIJOU MOKRANI N,TABARANT M,et al. Study of the miscibility gap inH2SO4/HI/I2/H2O mixtures produced by the Bunsen reaction- Part I:Preliminary results at 308K[J]. International Journalof Hydrogen Energy,2009,34(17):7155-7161.

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太阳能学报
2012年 第8期

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