By analysing the formaldehyde removal performance bottleneck of a light-in-tube photocatalytic oxidation (PCO) reactor, points out the formaldehyde removal performance is restricted by low convective mass transfer ability and small reaction area.

• 摘要通过对管状光催化反应器甲醛降解性能的瓶颈分析，指出制约管状反应器性能的主要因素是传质能力弱和反应面积小。