The removal efficiency would be reduced if the concentration of the NOX increased, the energy efficiency enhanced on the other hand.

烟气中氮氧化物浓度的增加会降低脱除效率，但能量的利用效率会相应提高。

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This paper reviews the influencing factors of photocatalytic removal of NOx and addresses the methods to improve catalytic efficiency, based on which, some suggestions are proposed for further study.

本文综述了光催化脱硝技术反应影响因素以及提高光催化脱硝效率的方法，并基于光催化脱硝技术研究的现状，对其研究方向提出建议。

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