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Vol.3 , No. 1, Publication Date: Jan. 8, 2018, Page: 10-18
. In the case of the manual dismantling of a television printed circuit court using electric heating furnaces sixteen VOCs, with total concentrations ranging from 1.6×10<sup>3</sup> to 6.7×10<sup>3</sup> μg/m<sup>3</sup> could be identified. For the elimination of these VOCs an integrated treatment technique including spray tower (ST), electrostatic precipitation (EP), and photocatalysis (PC) were used. In this paper, we elaborates on the treatment technology of VOCs: physical method (masking, dilution, and diffusion), chemical method (chemical oxidation, photocatalytic oxidation, absorption, burning), adsorption method, biological method, and low-temperature plasma purification method. Finally, the study discusses the development trends in VOCs control technology and its potential applications. Realizing the current existing regulation related to VOCs emission in China cannot be reasonably used as control criteria for electronic product processing and manufacturing, which has led to severe pollution problem in certain area. As a result, by learning the China regulations system of air pollution control and analyzing the VOCs management scheme, the regulating situation for processing and manufacturing of E-waste recycling industry was assessed.&picture=http://www.aascit.org/aascit/decorators/img/journal/816.jpg)
| [1] | Wei Li, School of Environmental and Materials Engineering, Shanghai Polytechnic University, Shanghai, P.R. China. |
| [2] | Hao Yuan, School of Environmental and Materials Engineering, Shanghai Polytechnic University, Shanghai, P.R. China. |
| [3] | Guan Jie, School of Environmental and Materials Engineering, Shanghai Polytechnic University, Shanghai, P.R. China. |
Recycling of e-waste is increasingly recognized as an important strategy for resource management and resource efficiency. However, such recycling technology requires attention from an environmental perspective because it can release pollutants including volatile organic compounds (VOCs). In the case of the manual dismantling of a television printed circuit court using electric heating furnaces sixteen VOCs, with total concentrations ranging from 1.6×103 to 6.7×103 μg/m3 could be identified. For the elimination of these VOCs an integrated treatment technique including spray tower (ST), electrostatic precipitation (EP), and photocatalysis (PC) were used. In this paper, we elaborates on the treatment technology of VOCs: physical method (masking, dilution, and diffusion), chemical method (chemical oxidation, photocatalytic oxidation, absorption, burning), adsorption method, biological method, and low-temperature plasma purification method. Finally, the study discusses the development trends in VOCs control technology and its potential applications. Realizing the current existing regulation related to VOCs emission in China cannot be reasonably used as control criteria for electronic product processing and manufacturing, which has led to severe pollution problem in certain area. As a result, by learning the China regulations system of air pollution control and analyzing the VOCs management scheme, the regulating situation for processing and manufacturing of E-waste recycling industry was assessed.
Keywords
Electronic Waste, Pollution Control, VOCs, Control Technology, Development Trend
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