Photocatalysis phase-transfer processing method for organic gas

The invention aims at providing a high-efficiency, low-consumption gaseous contaminant treatment technology by photocatalytic degradation process, in particular to a photocatalytic phase transfer treatment method for organic gases; the treatment method includes the following steps: 1) preparing a photocatalyst; 2) leading the organic gases to fully contact with water solution 1; 3) performing a first-order photocatalytic reaction under the condition of gas phase; 4) leading the gases after the first-order photocatalytic reaction to fully contact with water solution 2; 5) performing a second-order photocatalytic reaction under the condition of liquid phase. The method of the invention not only brings into full play of the advantages of complete degrading toxic organic substance and raw material of the photocatalytic reaction and having low energy consumption, etc., but also transfers gas organic matters into liquid phase via the phase transfer to perform homogeneous photocatalytic and oxidation reaction, thus