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Development of fine particulate matter electrical agglomeration technology |
School of Environment and Safety Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China |
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Abstract The phenomenon of excessive concentration of particulate dust exists in many cities in China. Inhalable dust has great harm to the environment and human body,so it is imperative to control the dust pollution. However, it is difficult to be directly caught by precipitator because of the small particle size. Agglomeration is a simple and easy way to accumulate the dust particles by the action of electric field and to coagulate and increase the effective diameter to facilitate trapping. The agglomeration of homopolar and heteropole charged particles in alternating electric field,the coulomb agglomeration of heteropole charged particles and the agglomeration of heteropole charged particles in directcurrent electric field are introduced. Several new electric agglomeration structures are introduced,and the main development tendency is proposed, which provides theoretical and technical support for the industrial application of electric agglomeration technology.
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