PRECIPITATED SILICA SORBENTS

The present invention is directed to a separation medium comprising rotary dried or spray dried precipitated silica. The silica has a ratio of BET to CTAB is at least 1.0 measured prior to any surface modification of the silica. The present invention is further directed to a method of separating sus...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KNOX CAROL L, MARTIN JUSTIN, OKEL TIMOTHY A, RARDON DANIEL E, GUO QUNHUI, KOLLAH RAPHAEL O, MOHNOT SHANTILAL M
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention is directed to a separation medium comprising rotary dried or spray dried precipitated silica. The silica has a ratio of BET to CTAB is at least 1.0 measured prior to any surface modification of the silica. The present invention is further directed to a method of separating suspended or dissolved materials from a fluid stream comprising contacting the stream with the separation medium described above.