Method of washing sawdust and arrangement for carrying out the m

Details Method of washing sawdust and arrangement for carrying out the m Method of washing sawdust and arrangement for carrying out the m

1997-03-27

1999-06-29

Nguyen, Tuan R.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209168, 209173, B03D 114

Patent

active

059171669

ABSTRACT:
Methods for washing sawdust are disclosed which include providing a mixture of sawdust and water to a vessel, subjecting the mixture to a reduced pressure so that gases present in the sawdust cause expansion therein and the sawdust rises to the surface of the mixture while the contaminants descend within the vessel, and withdrawing the sawdust from the vessel, in which the sawdust is withdrawn from the vessel at a location above the point where the sawdust and water enter the vessel. Apparatus for carrying out this method is also disclosed.

REFERENCES:
patent: 3452862 (1969-07-01), Amadon et al.
patent: 4378289 (1983-03-01), Hunter
patent: 5011087 (1991-04-01), Richardson et al.
patent: 5084161 (1992-01-01), Vikio 209 2

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