Rawan Almallahi - العربية

age
30
education
Senior Research Specialist at Dow Chemical Company, USA
nationality
Jordanian
innovation
An innovative membrane reactor system efficiently converts propane from natural gas into high-value propylene by simultaneously separating the hydrogen by-product to overcome thermodynamic limitations and provide self-heating

Her work focused on upgrading low-value hydrocarbons into higher-value chemicals, leading to the development of a novel catalytic membrane reactor for propane dehydrogenation that exceeded its thermodynamic limits by simultaneously separating hydrogen during the reaction.

This approach increased propylene production, reduced energy demand, and generated hydrogen that could be reused as a clean heat source. The idea for her innovation emerged while integrating catalysis and membrane science during her doctoral studies, revealing that combining reaction and selective separation in a single unit could improve efficiency and reduce emissions.

Her system sustainably converts propane from shale gas to propylene by combining catalytic conversion with hydrogen separation via an alumina-supported silica membrane. Removing hydrogen as it forms shifts the reaction toward higher propylene production, while allowing the internal combustion of hydrogen to provide heat.

This patented technology, published in the journal Science and validated on a laboratory scale, provides a more efficient and environmentally responsible pathway for propylene production, revolutionizing traditional propylene manufacturing and supporting industries that rely on this essential petrochemical.

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