| 干法加氨脱除SO2中的温度效应 |
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| 引用本文： | 宫为民,朱爱民,张报安.干法加氨脱除SO2中的温度效应[J].环境科学学报,1996,16(1):90-96. |
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| 作者姓名： | 宫为民 朱爱民 张报安 |
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| 作者单位： | 大连理工大学化学系 |
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| 摘 要： | 研究了在ＮＨ３参与下，干法脱除ＳＯ２中的温度效应，实验结果表明，在ＳＯ２与ＮＨ３的热化学反应中，反应程度随温度上升呈线性下降，然而，在脉冲电晕条件下，ＳＯ２脱率却随温度上升呈现非线性变化，通过测定不同温度下的产物组成，揭示了在脉８冲电晕放电条件，干法脱除ＳＯ２存在两条平反应途径；（１）先成盐后氧化；（２）先氧化后成盐，在较高温度下反应主要按第（２）条途径进行。
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| 关 键 词： | 干法脱除 SO2 氨 脉冲电晕放电 废气治理 烟气 |
| 收稿时间： | 1994/7/21 0:00:00 |
EFFECT OF TEMPERATURE ON SO2 DRY SCRUBBING WITH AMMONIA |
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| Gong Weimin,Zhu Aimin and Zhang Baoan.EFFECT OF TEMPERATURE ON SO2 DRY SCRUBBING WITH AMMONIA[J].Acta Scientiae Circumstantiae,1996,16(1):90-96. |
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| Authors: | Gong Weimin Zhu Aimin and Zhang Baoan |
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| Institution: | Chemistry Department, Dalian University of Technology, Dalian 116012,Chemistry Department, Dalian University of Technology, Dalian 116012 and Chemistry Department, Dalian University of Technology, Dalian 116012 |
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| Abstract: | The effect of temperature on SO2 dry scrubbing with ammonia has been studied. Experimental results showed that the reaction extent of thermal SO2/NH3 chemical reaction decrease linearly with increasing temperature.However,in pulse coronal discharge, SO2 removal exhibits a non-linear regularity with the increase in tempearture. Taking advantage of the composition of the products at various temperatures, it was revealed that two reaction pathways are in parallel in the SO2 removal, i. e. (1) salt formation is the first step and then oxidized,and (2) SO2 oxidation is the first step and followed by salt formation. At high temperature ,the latter pathway seems to be predominating. |
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| Keywords: | SO_2 dry scrubbing temperature effect ammonia pulse corona discharge |
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