Process and apparatus for separating sand from botanical materia

Details Process and apparatus for separating sand from botanical materia Process and apparatus for separating sand from botanical materia

1976-08-23

1978-05-09

Lutter, Frank W.

Classifying, separating, and assorting solids

Stratifiers

With pneumatic treatment

209139R, 209467, 209486, B03B 408

Patent

active

RE0296252

ABSTRACT:
Apparatus is provided for the separation of sand and botanical materials, particularly tobacco, the apparatus including a fluidized bed and a porous support for the mixture of sand and botanical materials. The method incorporates the apparatus and aids in the separation, the method potentially including a pulsed fluid flow superimposed on a steady fluid flow in the system.

REFERENCES:
patent: 2068783 (1937-01-01), Wendell
patent: 2678131 (1954-05-01), Dore
patent: 2683685 (1954-07-01), Matheson
patent: 2857050 (1958-10-01), Nebel
patent: 3164548 (1965-01-01), Rowell et al.
patent: 3279597 (1966-10-01), Reinhall
patent: 3406824 (1968-10-01), Forsberg
patent: 3596765 (1971-08-01), Beudin
patent: 3610415 (1971-10-01), Deak
patent: 3627129 (1971-12-01), Hartmann et al.

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