Plastic article or earthenware shaping or treating: apparatus – Means making particulate material directly from liquid or... – And distinct means applying congealing fluid to formed...
Patent
1985-04-08
1986-02-04
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
Means making particulate material directly from liquid or...
And distinct means applying congealing fluid to formed...
23313R, 34 57C, 34 57D, 159 404, 159 481, 425222, 425317, B29C 6702, B01D 118
Patent
active
045682585
ABSTRACT:
An apparatus for drying pellets of particulate material such as carbon black is characterized by a columnar drying vessel containing inclined trays or screens positioned so that the pellets or particulates roll from screen to screen down the column. Preferably, the pellets are subjected to countercurrent flow of drying gases while flowing down the screens. In other aspects, carbon black is pelleted with a nonaqueous liquid pelleting fluid and dried with vapors of the same pelleting fluid.
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Hoag Willard E.
Phillips Petroleum Company
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