Method of mixing particulate materials in a mixing column

Details Method of mixing particulate materials in a mixing column Method of mixing particulate materials in a mixing column

1988-03-16

1993-06-15

Hornsby, Harvey C.

Agitating

Mortar mixer type

Methods

106723, 366 9, 366177, 366189, 405233, 405263, 405269, B28C 504, B01F 1502

Patent

active

052192229

ABSTRACT:
A method of mixing materials includes a fluid medium, such as an aqueous fluid or a gas, continuously introduced into a mixing column for a time sufficient to allow the fluid to at least substantially fill the column. A predetermined amount of at least one primary material is introduced into the upper end of the mixing column. The primary material is permitted to descend through the fluid medium at a predetermined rate. Secondary materials are introduced into the mixing column through at least one end or through at least one position along the side of the mixing column at an angle and velocity sufficient to cause the secondary materials to intimately contact the primary material along its path of descent through the fluid medium so that the primary and secondary materials are continuously mingled as they descend through the fluid medium until they reach the lower end of the mixing column. Another aspect of the invention relates to the mixed materials which are recovered from the lower end of the mixing column.

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