The efficiency of liquid light irradiation treatments is improved by making it possible to perform continuous liquid light irradiation treatments without lowering the purity of the treated liquid and without any need for interrupting the light irradiation treatment or disassembling the d
The present invention provides a simplifed construction of a light irradiating device having light irradiating modules by facilitating the attachment of a plurality of light-transmitting tubes containing light irradiating lamps to a frame. The present invention further simplifies the
