| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a filtration unit in which filtration cloth is configured to laminate on both sides of a water permeability porous material and exchange of a filter material is easy; a filtration apparatus including the filtration unit; and a filtering method using the filtration unit. <P>SOLUTION: The filtration unit includes a filtration material and a frame body, the filtration material includes filtration cloth and a water permeability porous material, the filtration cloth is laminated on both sides of the water permeability porous material and protrudes from the peripheral border of the water permeability porous material, the frame body is formed by a hollow member, the inside of the hollow member is divided into a washing water supplying flow path and a filtration water discharge flow path, two or more water permeable holes are opened in the frame inner periphery of the hollow member in the respective divisions, the filtration material is surrounded by the frame body to be housed in the frame body, and a protruded part of the filtration cloth is pressed to the frame body to be fixed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
