Exxonmobil Technology and Engineering Company

Steven W Levine

Mehmet Deniz Ertas

Heather A Elsen

Robert Nielsen

Joseph C Weissman

Michael R Harper, Jr

Mark L Heinnickel

Yuchen Liu

Divyaraj Desai

Jonathan D Saathoff

The present disclosure relates to processes for desulfurizing hydrocarbon feedstocks. The processes may include introducing a feedstock comprising hydrogen sulfide to an absorber comprising a metal chelate to form a reduced metal chelate. The processes may further include introducing the reduced metal chelate to a photobioreactor comprising a phototrophic bacterium. The present disclosure also relates to apparatuses for desulfurizing hydrocarbon feedstock. An apparatus may include and absorber and a photobioreactor fluidly connected to the absorber. The photobioreactor may be an anaerobic vessel with a light source.

Phototrophic purification of hydrogen sulfide containing streams

A redox flow battery may include: a positive half-cell comprising a catholyte; a negative half-cell comprising an anolyte; and an ion permeable membrane, wherein the ion permeable membrane separates the catholyte and the anolyte, and wherein the catholyte, the anolyte, or both comprise a low-transition temperature material comprising: a redox-active phase; and an ionically conducting organic salt.

Redox active liquid electrolytes for organic redox flow battery

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Hopewell, NJ, United States of America

Steven W Levine