| 20110315619 | IMMERSION-TYPE MEMBRANE SEPARATION APPARATUS - An immersion-type membrane separation apparatus having a novel structure, which enables a practically applicable level of cleaning of a separation membrane by means of an ultrasonic wave generated by an ultrasonic transducer and can exhibit steady filtration performance for a long period. An ultrasonic transducer for cleaning and removing matters adhering to a separation membrane during the filtration of raw water is provided. The matters adhering to the separation membrane is cleaned and removed by means of an ultrasonic wave emitted from the ultrasonic transducer transducer. The separation membrane is made of polytetrafluoroethylene (PTFE). | 12-29-2011 |
