Ge Betz, Inc.

Terrence P Small

Donald Carroll Roe

William Wendel

A process for removing iron impurities from sand by treatment of an aqueous slurry of the sand with a chelating agent for iron cations.

Process for purifying sand

An automated method for suppressing fugitive dust dissemination is disclosed. The method provides for automated measurement of dust levels at remote locations, transmission of the measurements to a centralized monitoring and control system which sends a signal to remote dust suppression treatment application apparatus which apply the appropriate dust suppression treatment chemicals.

Automated dust control method

Methods of enhancing the dewatering of sand are disclosed. The methods include adding an anionic or nonionic surfactant to the wet sand prior to dewatering.

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Glen Mills, PA, United States of America

Terrence P Small