Sterile particulate material

Details Sterile particulate material Sterile particulate material

1987-10-21

1989-09-26

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 25, 422 24, B02C 1912

Patent

active

048694339

ABSTRACT:
A method of producing a particulate sterile material insulation or fertilizer, includes the step of comminuting a cellulose feed material such as paper, in a hammer mill so as to produce fine particles and fibres having a large surface area to volume ratio. The particulate material is entrained in an air stream to produce separate particles of the material, and the particulate material freely falls through an ultraviolet radiation flux for a period of time sufficient to substantially completely sterilize the particulate material. The product can be used in animal breeding sheds as floor insulation. The used material with animal droppings can be similarly processed to produce a sterile particulate fertilizer ingredient.

REFERENCES:
patent: 2708418 (1955-05-01), Sugarman et al.
patent: 3721183 (1973-03-01), Dunlea
patent: 4072273 (1978-02-01), Reiniger
patent: 4175140 (1979-11-01), Bachmann et al.
patent: 4347985 (1982-09-01), Simpson

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