| VOCs is recognized as the PM2.5 precursor. With serious harm to human health, but also has obvious effect on the air visibility and environment.In recent years, China's industrialization process has made great achievements, and become the largest Asian and even global industrial sales country, industry maintains high speed development for decades, the number of enterprises increased continuously, continue to expand the scale, the industry production, yield almost always ranked top column, make great contributions to promoting China's economic development. However, VOCs emissions therefore rises substantially, especially concentrated in the Beijing Tianjin Hebei region, the Yangtze River Delta, Pearl River Delta and other industrial activities.In this paper, the largest urban area in Xi'an City-- Lianhu District for the scope of the investigation. From the emissions of VOCs in the area of industrial enterprises in the screening, selection of the five industries, including chemicals production of five typical and representative of large enterprises are analyzed.Secondly, when cited eight kinds of current domestic and foreign typical organic waste gas treatment of new technologies, new methods are introduced in detail. Introduces respectively the different treatment technology of its characteristics and advantages and disadvantages. Finally, with the above two parts as the foundation, taking Xi'an city as the representative of this northern industrialization, to carry out pollution control advice for treatment of organic waste gas of four categories of industrial enterprises, for how to organic waste gas treatment technology at present advanced applied in specific industry, which provides the reference for the technical and economic possibilities to achieve optimal. |
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