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China's crop straw generated each year is about 650,000,000 tons, of which about 50% will be used to feed and fertilizer, 30% used as a fuel and industrial raw materials, there are about 20% of the straw has not been effective use. In the economically developed areas and rural areas on the outskirts of large cities, due to changes in the structure of fuel, fertilizer widely used, the remaining amount of straw and even as high as 70% to 80% [2]. Most of the remaining burned straw burning. Burning crop stalks will produce a lot of CO2, CO, and nitrogen oxides, compounds such as benzene, as well as aromatic ring, and other harmful gases, not only endanger human health, causing environmental pollution, and a lot of CO2 cause global warming, leading to disaster. In some places, the harvest season, straw burning a large amount of smoke due to road block the view of the driver's line of sight, causing traffic accidents occur from time to time. June each year in China's major wh