Guild Associates, Inc.

Joe Rossin

Wayne Ballantyne

Ryan Ballantyne

Mike Knapke

David Neumann

Disclosed are processes for gas streams containing HS, the processes comprise contacting the gas streams with a mixed metal oxy-hydroxide media comprising two or more metals selected from the group consisting of iron, copper and silicon.

Removal of hydrogen sulfide from process streams

Disclosed are processes for removing HS from gas streams containing HS, the processes comprise contacting gas streams with a mixed metal oxy-hydroxide media comprising two or more metals selected from the group consisting of magnesium, chromium, manganese, iron, cobalt, zinc and copper. Also disclosed are processes for removing HS from gas streams containing HS, the processes comprise contacting the gas streams with a mixed metal oxy-hydroxide media comprising one or more metals selected from the group listed above plus one or more metals selected from the group consisting of aluminum, silicon, titanium and zirconium.

The present invention is directed to an improved process for removing siloxanes from a biogas feed comprising (i) passing a gas feed through an adsorbent bed having an adsorbent having an inert surface to adsorb onto the adsorbent at least a portion of the siloxanes in the gas feed; and (ii) regenerating the adsorbent by removing siloxanes from the adsorbent. The adsorbent surface is rendered inert or nearly inert preferably via calcination.

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Plain City, OH, United States of America

Joe Rossin