Use of nonstoichiometric carbon-sulfur compounds to remove components from liquids
 Nonstoichiometric carbon-sulfur compounds have been found to be effective adsorbents for removing a wide variety of organic and/or inorganic materials from liquids, preferably polar liquids. Removal of biorefractory organics, such as aromatics, is particularly effective using such compounds. The spent adsorbent may then be regenerated. 
Exxon Research & Engineering Co.
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David W. Chin H. John M.
Savage Chang Longo