| 摘要 |
Disclosed is a means for securing a filter inside a column and a filter column that has high permeability for solutions, a large amount of fluid movement as well as low-cost. Specifically disclosed is a porous filter column characterized by being a cylindrical column having a bottom and having a discharge port in the bottom, wherein a porous filter is held above this bottom, such that in the porous filter column in which a hollow member is disposed above this porous filter, this hollow member comprises a hollow part, which does not make contact with the inside wall surface of the column and the porous filter, and leg parts that make contact with the inside wall surface and the porous filter.
|
