| 一种新型半干法烟气脱硫方法的机理分析 |
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| 引用本文： | 周月桂,章明川,范卫东,范浩杰,于娟. 一种新型半干法烟气脱硫方法的机理分析[J]. 燃料化学学报, 2004, 32(6): 768-771 |
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| 作者姓名： | 周月桂 章明川 范卫东 范浩杰 于娟 |
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| 作者单位： | School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200240,China |
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| 基金项目： | 国家自然科学重点基金(90210016)。~~ |
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| 摘 要： | 湿法烟气脱硫是目前效率最高、应用得最为广泛的一种烟气脱硫技术，因制浆设备庞大，占地面积大，管道设备易腐蚀、结垢，有废水污染和烟气再加热系统等，使其投资和运行费用均较高，使湿法脱硫在某些场合(如要求中等脱硫效率且费用低)的应用受到一定的限制。与湿法脱硫相比，干法烟气脱硫由于不需要喷水和再加热系统而成为一种简易的低成本脱硫方法，
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| 关 键 词： | 烟气脱硫 碰撞活化 脱硫效率 |
| 文章编号： | 0253-2409(2004)06-0768-04 |
| 收稿时间： | 2004-01-20 |
| 修稿时间： | 2004-01-20 |
Mechanism analysis of a novel semi-dry flue gas desulfurization method |
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| ZHOU Yue-gui,ZHANG Ming-chuan,FAN Wei-dong,FAN Hao-jie,YU Juan. Mechanism analysis of a novel semi-dry flue gas desulfurization method[J]. Journal of Fuel Chemistry and Technology, 2004, 32(6): 768-771 |
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| Authors: | ZHOU Yue-gui ZHANG Ming-chuan FAN Wei-dong FAN Hao-jie YU Juan |
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| Abstract: | The advantages and disadvantages of a typical semi-dry flue gas desulfurization (FGD) method are analyzed and a novel semi-dry FGD method of simple and compact system with high efficiency is firstly put forward, named multi-fluid alkaline spray generator FGD method. The results show that the colliding activation efficiency between the sorbent particles and the spray water droplets in the prefixed alkaline spray generator may reach about 70%, which is significantly higher than the 25% colliding activation efficiency in in-duct injection FGD. And SO_2 removal efficiency reaches 70%, higher than that of in-duct injection FGD at the same conditions. The study confirms it is a new simple compact and highly-efficient semi-dry FGD method. |
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| Keywords: | semi-dry flue gas desulfurization colliding activation removal efficiency |
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