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    简单分析净化工程中的光催化法

    光催化法

    Photocatalytic method

    工作原理:空气通过光催化空气净化装置时,光触媒在光的照射下自身不起变化,却可以促进化学反应的物质空气中的有害物质如甲醛、苯等在光催化的作用下发生降解,生成无毒无害的物质,而空气中的细菌也被紫外光除掉,空气因此得到净化。

    Working principle: air through photocatalytic air purification device, light catalyst under the irradiation of light itself doesn't change, but can promote chemical reaction material harmful substances such as formaldehyde, benzene in the air under the action of photocatalytic degradation, generate non-toxic harmless substance, and the bacteria in the air was also get rid of ultraviolet light, result in air purification.

    Disadvantages: broad spectrum but need air flow rate is low, purify the speed is slow and has certain radiation to human body, in the United States and Europe are tide way of purification.

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