Particulate filter method

Details Particulate filter method Particulate filter method

1980-06-26

1982-02-09

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

71 6413, 71 61, 55512, B01D 4330

Patent

active

043148298

ABSTRACT:
A particulate filter medium for collecting finely dispersed particles from a circulating gas stream. The filter medium comprises a gas flow zone consisting essentially of gas permeable particles of the same material as the finely dispersed solid particles to be collected. The finely dispersed particles are generated by granular product blending operations of dry granular materials such as fertilizers, chemicals, animal feeds and clays.
A substantial saving in filter material renewal costs is realized by adding the spent filter medium to the product stream, and simply replacing the spent filter medium with fresh, granular particles of the product having a capacity to collect finely dispersed solid particles from the circulating gas stream.

REFERENCES:
patent: 2834119 (1958-05-01), Schaub
patent: 3738821 (1973-06-01), Barber
patent: 3812889 (1974-05-01), Strehlow
patent: 3861889 (1975-01-01), Takae et al.
patent: 3982043 (1976-09-01), Simpson
patent: 3998933 (1976-12-01), Henderson et al.
patent: 4076509 (1978-02-01), Ferm
patent: 4220478 (1980-09-01), Schuff
Bonn, David E., Proc. Ann. Meet., Fert. Ind. Round Table, 15th Washington, D.C., pp. 44-47 (Eng.), 1965.
Baker, Dale E. et al., Compost Science 16(4):28-30 (Eng.), 1975.

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