Pedro Sá Gomes' paper "Gas-Phase Simulated Moving Bed separation of propane/propylene: is it worth it?" was selected as the keynote presentation at the upcoming CHEMPOR 2011 – 11th International Chemical and Biological Engineering Conference in Lisbon, Portugal. Pedro is a post-doctoral affiliate at MIT supported by a Marie Curie fellowship. His work is co-authored by Paul Barton and Pedro's thesis advisor Alírio E Rodrigues.