Abstract: A filtration apparatus including a tubular element (17) for purifying wastewater that flows from outside to inside, and a spray tube (21) for spraying cleaning water onto the external peripheral surface of the tubular element. In the first step, the external peripheral surface of the tubular element is cleaned and most of solid matter is removed. In the second step, compressed air is fed to the tubular element, and fine solid matter that is embedded in the filter is removed by backwashing.
Type:
Application
Filed:
April 4, 2008
Publication date:
October 9, 2008
Applicants:
HONDA MOTOR CO., LTD., GE TECHNO CO., LTD