发明名称 |
IMPROVED FILTRATION TECHNIQUE |
摘要 |
A method of separation of a precipitate from a treated or untreated photographic processor effluent by the addition of an inert powder of high bulk prior to filtration or settling. The inert powder may be a diatomaceous earth, such a kieselguhr, or aluminium hydroxide or wet sawdust. The separation time and the pressure required to give rapid filtration is reduced. The rate at which the solid phase will settle is similarly improved. |
申请公布号 |
WO9204283(A1) |
申请公布日期 |
1992.03.19 |
申请号 |
WO1991EP01682 |
申请日期 |
1991.09.05 |
申请人 |
KODAK LIMITED;EASTMAN KODAK COMPANY |
发明人 |
FYSON, JOHN, RICHARD;GLOVER, MARTYN, STUART;HENSON, PETER, DAVID |
分类号 |
B01D21/00;B01D37/02;B01D37/03;C02F1/52 |
主分类号 |
B01D21/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|