Plastic and nonmetallic article shaping or treating: processes – Recycling of reclaimed or purified process material – Of gaseous process material
Patent
1977-03-04
1978-08-22
White, Robert E.
Plastic and nonmetallic article shaping or treating: processes
Recycling of reclaimed or purified process material
Of gaseous process material
264117, B01J 212
Patent
active
041089324
ABSTRACT:
Method of agglomerating powders and non-flowing fine particle minerals such as clay, silicas, and silicates including the steps of establishing a minimum level of wetting agent content in the material to be agglomerated, tumbling the material to be agglomerated over itself within a rotatably mounted drum, adding additional wetting agent to the material within the drum, and removing the agglomerated powder, which is now formed into pellets of an advantageous pellet size distribution, from the drum. The wetting agent may be added by strategically positioned nozzles within the drum. The establishing of a minimum level of wetting agent content in the powder, preferably in the range of 11/2 to 5%, is achieved either by incomplete drying of the material during wet processing or by the application of a wetting agent prior to introduction into the drum.
REFERENCES:
patent: 1963030 (1934-06-01), Powell
patent: 2919184 (1959-12-01), Osswald
patent: 2948918 (1960-08-01), Austin
patent: 3277218 (1966-10-01), Dollinger
patent: 3555133 (1971-01-01), Gentaz
Brandon Paul W.
Odom Paul R.
Takewell Robert B.
Flanders Harold H.
Hall James R.
J. M. Huber Corporation
Schaal Ernest A.
White Robert E.
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