Classifying – separating – and assorting solids – With heat treatment
Patent
1998-01-20
2000-12-26
Walsh, Donald P.
Classifying, separating, and assorting solids
With heat treatment
209235, 209238, B07B 100, B07B 146
Patent
active
061644552
ABSTRACT:
The present invention provides a process for classifying a particulate hydrophilic polymer and a sieving device, which can carry out a classification in a small separation particle diameter with high efficiency and exhibit classification ability inherent in the sieving device. The process comprises the step of classifying a particulate hydrophilic polymer in dry particle size with a sieving device, wherein the sieving device is used in a heated and/or thermally insulated state. The sieving device comprises a thermally insulating means.
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Hatsuda Takumi
Kakita Hiroyuki
Maruo Tatsuo
Okuda Sumio
Martin Brett C.
Nippon Shokubai Co. , Ltd.
Walsh Donald P.
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