This study adopts biofilter to treat organic waste gas of benzene compounds.

研究采用生物滤池法处理苯系有机废气。

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Nowadays, with all the benzene compounds added to it, gas smells totally different.

如今，所有的苯化合物添加到它，煤气气味完全不同。

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As for paint and glue, they emit volatile organic compounds and benzene.

至于油漆和胶水，它们会释放出挥发性的有机化合物以及苯。

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UTC's solution: Pass the return air through an aluminum filter sprayed with titanium dioxide that, hit with ultraviolet rays, sets off a chemical reaction that breaks down nasty organic compounds like benzene and formaldehyde into carbon dioxide and water.

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The flaring of natural gas, which often accompanies oil production, produces an array of air pollutants, and leaks and spills release toxins ranging from volatile chemicals, like benzene (a known carcinogen), to much heavier compounds, like benzopyrene (another known carcinogen).

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