Adsorption of hexane on attrition-milled silica

✍ Scribed by Leon Y. Sadler III; William J. Hatcher Jr.

• Publisher: American Institute of Chemical Engineers
• Year: 1974
• Tongue: English
• Weight: 188 KB
• Volume: 20
• Category: Article
• ISSN: 0001-1541
• DOI: 10.1002/aic.690200125

✦ Synopsis

This note describes the initial study conducted by the U. S. Bureau of Mines on the effectiveness of attrition milling in producing high-specific-surface materials that would be effective adsorbents. Silica was selected as the test material, and adsorption of n-hexane on the attritionground material was compared with adsorption on two commercial silica adsorbents.

The attrition mill, developed and patented (Feld and Clemmons, 1963) by the U. S. Bureau of Mines, is designed to grind a powder slurry containing a grinding medium by intense agitation. The mill is a baffled vessel containing a radial flow, concentrically mounted impeller. It may be operated batchwise or continuously and is presently being used commercially in the paper-coating and paint pigment industries. The effectiveness of attritionground materials as adsorbents has not been previously investigated.