闫旭东,郝志强,刘守军,王冰凝,史鹏政,李晋,杨颂

• 1:太原理工大学化学化工学院
• 2:太原科瑞康洁净能源有限公司

摘要(Abstract)：

在低阶煤中对Na HCO3的燃烧固硫作用进行了考察,并以弱黏煤为主要研究对象,进一步考察了不同Na HCO3添加量及燃烧温度下弱黏煤的燃烧固硫率,并对Na HCO3的固硫机理进行了分析和讨论。研究发现,Na HCO3的最适固硫温度为900℃,且随着Na/S比的增大,燃烧固硫率逐渐提高,当Na/S比为2.0时,燃烧固硫率和Na基固硫剂利用率分别为90.57%和65.83%,效果最好。结合XRD和TG-MS表征分析表明,Na HCO3固硫机制的反应历程为Na HCO3→Na2CO3→Na2SO3→Na2SO4。

关键词(KeyWords)： 低阶煤;弱黏煤;碳酸氢钠;固硫;机理

Abstract:

Keywords:

基金项目(Foundation): 太原市科技计划项目(160302);; 山西省专利推广实施资助专项(20171037)

作者(Author): 闫旭东,郝志强,刘守军,王冰凝,史鹏政,李晋,杨颂

参考文献(References)：

• [1]BP.BP Statistical Review of World Energy 2015[EB/OL].http://www.bp.com/content/dam/bp/pdf/energy-economics/statisticalreview-2015/bp-statistical-review-of-world-energy-2015-full-report.pdf,2016-06.
• [2]Xue B,Mitchell B,Geng Y,et al.A review on China's pollutant emissions reduction assessment[J].Ecological Indicators,2014,38:272-278.
• [3]ZHAO Peng(赵鹏),LI Wen-bo(李文博),LIANG Jiang-peng(梁江朋),et al.Status and development suggestion of low rank coal upgrading technologies(低阶煤提质技术现状及发展建议)[J].Clean Coal Technology(洁净煤技术),2015,21(1):37-40.
• [4]ZHANG Li(张莉),WANG Qiao-li(王俏丽),PAN Shu-ping(潘淑萍),et al.Life cycle assessment of power plants with coal-fire flue gas advanced treatments(基于燃煤烟气污染物深度处理的电厂系统生命周期评价)[J].Journal of Chemical Engineering of Chinese Universities(高校化学工程学报),2016,30(3):700-708.
• [5]HU Bin(胡斌),LIU Yong(刘勇),YANG Chun-min(杨春敏),et al.Experimental study on PM2.5 removal with evaporation of desulfurized wastewater(脱硫废水蒸发脱除PM2.5试验研究)[J].Journal of Chemical Engineering of Chinese Universities(高校化学工程学报),2016,30(4):953-960.
• [6]SUN Qing-wei(孙清威),QI Qing-jie(齐庆杰),HAO Yu(郝宇),et al.Desulfuration mechanism of calcium-based sulfur-fixing agent under different conditions(不同条件下钙基固硫剂的固硫机理)[J].Journal of Liaoning Technical University(辽宁工程技术大学学报),2006,25(S2):19-21.
• [7]ZHANG Yan-wei(张彦威),FANG Dian-qi(房殿奇),REN You-zhong(任有中).Desulfurization test of complex captured sulfur agent in lab(复合固硫剂的实验室脱硫试验)[J].Clean Coal Technology(洁净煤技术),2002,8(2):48-51.
• [8]Mbango M,Cun Y,Guan Q,et al.Optimization conditions research of dual-alkali FGD process in a wet scrubber[J].AdvancedMaterials Research,2011,1266(233):3047-3056.
• [9]Bao J,Yang L,Sun W,et al.Removal of fine particles by heterogeneous condensation in the double-alkali desulfurization process[J].Chemical Engineering&Processing Process Intensification,2011,50(8):828-835.
• [10]Zhang D.Interactions between sodium,silica and sulphur in a low-rank coal during temperature-programmed pyrolysis[J].Journal of Fuel Chemistry and Technology,2005,33(5):513-519.
• [11]CHENG Yun-xiao(程云霄),DU Huan-tong(杜焕铜),SHI Wen-hu(师文虎).Effect of addition of sulfur fixing agent on sulfur fixation result in coal combustion(固硫助剂对煤炭燃中固硫效果的影响研究)[J].Coal Preparation Technology(选煤技术),2016(1):24-27.
• [12]Yang S,Du W,Shi P,et al.Mechanistic and kinetic analysis of Na2SO4-modified laterite decomposition by thermogravimetry coupled with mass spectrometry[J].PLOS One,2016,11(6):e0157369.
• [13]MA Bao-guo(马保国),XU Li(徐立),LI Xiang-guo(李相国),et al.Catalysis of alkal/alkali-earth metal salt on combustion behavior of high ash coal(碱/碱土金属盐对高灰分煤粉燃烧的催化作用)[J].Coal Science and Technology(煤炭科学技术),2007,35(9):69-72.
• [14]TANG Ru-ping(汤儒平).Study on influence of additives on ignition of coal(添加剂对煤着火点影响的研究)[D].Shenyang(沈阳):Northeastern University(东北大学),2010.
• [15]LIU Ze-chang(刘泽常),GAO Hong-ge(高洪阁),QIU Xue-ming(邱学明).Study on the sulphur fixation characteristics of different calcium radical sulphur fixation agents by employing the function of thermal mechanics(应用热力学函数研究不同钙基固硫试剂的固硫特性)[J].Journal of Shandong University of Science and Technology(山东科技大学学报),2000,19(1):21-24.
• [16]WANG Bo(王波).The investigation and exploitation of the sulfur capture adsorbent of briquette(型煤固硫剂的研究与开发)[D].Taiyuan(太原):Taiyuan University of Technology(太原理工大学),2007.