The invention conventional way to stop the operation of the photocatalytic reactor, unlike visible light (VIS -) in order to regenerate the deactivated photocatalyst with the continuous operation of the / photocatalytic reactor purpose, the waste gas treatment containing odor and VOC destination or, shown sewage or two or more visible light the supply of air or water vapor is required for the photocatalytic reproduction disabled and wastewater containing industrial waste water alternately to be swing (VIS -) / photocatalytic reactor and a waste gas or a photocatalyst is passed through the activated photocatalytic reactor, urban sewage, or UV or visible light (VIS-) before and after the before washing, after washing, or washing the deactivated photocatalyst in the photocatalytic reactor is filled with the residual load of the wastewater in the deactivated photocatalyst ultrasound environment or a non-ultrasound environment containing the industrial waste water adsorption to process the source load desorption when playing by air or water vapor from the turning on state, biological treatment, absorption, combustion, plasma, electron beam, AOP (Advanced oxidation process), or equivalent, volatile organic compounds and odor sources comprising a biofilter the process water containing the volatile organic compound, or after or odor sources characterized in that the step consisting of a combination of air or waste gas or after that to process, to a treatment of wastewater containing a municipal sewage or industrial waste water. Carrying the photocatalyst of visible light (VIS -) Pass the / photocatalytic reactor off-gas containing odor and VOC or, when processing the wastewater containing a municipal sewage or industrial waste water, according to the over driving time by the oxidation of the pollutants since inactivation of the photocatalyst by adsorption of the intermediate derivative generated visible light (VIS -) so that pollutants removal capacity of a / the photocatalytic reactor is increasingly less than the design standard visible light (VIS -) there is required a photocatalyst reproduction of / photocatalytic reaction step, desorption pollution load to the incoming reproduction process after the initial photocatalyst has a large load fluctuations or shock loading than the removable nature of the pollutant load on the photocatalytic process after the initial playback later. Therefore, after the process is essentially a robust design that can handle the load fluctuation to temporarily increase. The two or more visible light (VIS -) are alternately swing like / photocatalytic reactor, when the photocatalyst is passed through the activated photocatalytic reactor off-gas or, play a residual load and deactivated photocatalyst of wastewater containing a municipal sewage or industrial waste water containing a combination of odor and volatile organic compounds as of process or post-process after the treatment with the desorbed pollutant load (VOC) used gas or, in the wastewater continuously including a municipal sewage or industrial waste water, it can efficiently also safely treated with is.