Sulfate removal from ethanol

Details Sulfate removal from ethanol Sulfate removal from ethanol

2006-04-21

2008-07-29

Wood, Elizabeth D (Department: 1793)

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

C568S913000

Reexamination Certificate

active

07404944

ABSTRACT:
A process for removing sulfates such as hydrogen sulfate, sodium sulfate, and chloride from an ethanol stream by contacting the ethanol stream with a clay material to thereby remove at least a portion of the sulfates.

REFERENCES:
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patent: 2007/0131589 (2007-06-01), Weston et al.
patent: 2007/0238907 (2007-10-01), Binder et al.
PCT Application PCT/US96/18945, International Filing Date: Nov. 27, 1996, Ladisch et al., International Publication No. WO97/20079, Title: Modification of Corn Grits to Provide Superior Water Adsorption Characteristics.

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