Geoffrey Stevens on Muck Rack

Geoffrey Stevens

Melbourne
As seen in: AIChE Journal, Color Research & Application, Nature, The Globe and Mail, Waterloo Region Record, KGTV-TV (San Diego, CA), The Hamilton Spectator (Hamilton, ON), iPolitics, GuelphMercury.com, The Peterborough Examiner and
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Articles

Catalytic hybrid solvent regeneration in membrane vacuum processes for direct air capture - Nature Communications

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By Arash Momeni, Hossein Anisi, Rebecca McQuillan Verified, Masood S. Alivand, Ali Zavabeti, Saeed Askari, Rui Zhang, Geoffrey Stevens, Kathryn A. Mumford
| Nature Verified
Abstract Direct Air Capture is a promising climate mitigation technology, but its deployment is limited by high energy demand. This study improves the energy efficiency and sustainability of liquid-based Direct Air Capture by integrating catalytic solvent regeneration and hybrid solvents with a low-temperature membrane vacuum regeneration process. Iron-sulfated zirconia catalysts supported on alumina and silica are synthesized and evaluated, with silica exhibiting superior catalytic performance.
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Reply to: The impact of thermodynamics when using a catalyst for conventional carbon capture solvent regeneration - Nature Communications

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By Geoffrey Stevens, Kathryn A. Mumford, Masood S. Alivand
| Nature Verified
replying to F. de Meyer et al. Nature Communications https://doi.org/10.1038/s41467-023-39694-w (2023) Since the signing of the Paris Climate Accords in 2015, the global effort for widespread deployment of carbon dioxide (CO2) capture facilities has accelerated.
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Timely advice for Justin Trudeau

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By Geoffrey Stevens
| The Peterborough Examiner Verified
Rt. Hon. Justin Trudeau Prime Minister of Canada Rideau Cottage 1 Sussex Drive My Dear Prime Minister, Please forgive me for taking so long to come to your aid with my counsel. It is, as always, gratuitous, gratis and worth every penny. I speak for your legions of true believers when I say we still have your back. You and your cabinet — the best and brightest, as all Canadians know — have been going through an uncommonly rough patch.
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