THÉODET, Manuel; QUILFEN, Cyril; MARTÍNEZ, Cristina; AYMONIER, Cyril

doi:10.1016/j.supflu.2016.07.002

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THÉODET, Manuel
Instituto de Tecnología Química [ITQ]
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

QUILFEN, Cyril
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

MARTÍNEZ, Cristina
Instituto de Tecnología Química [ITQ]

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Journal of Supercritical Fluids. 2016, vol. 117, p. 252-259

Elsevier

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Unsupported and high specific surface area (SBET) catalyst precursors for deep-hydrodesulfurization (deep-HDS) are obtained using an environmental friendly, continuous and fast synthesis process in supercritical water/alcohol mixtures. This approach offers an access to high production rate and upscaling. Two mixed oxides were synthesized: NiMoO4, which is the preferred material when deep-HDS is investigated, and CoMoO4 preferred for simple HDS. The role of the water/alcohol mixture on the resulting specific surface area has been studied and allows a controlled adjustment of the resulting specific surface area. The obtained NiMoO4 material consists of the highly active hydrate NiMoO4.0.75H2O phase with a controlled composition and specific surface area up to 200 m2 g−1. Resulting materials have shown great performances when tested in deep-HDS catalytic tests.< Leer menos

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Sustainable manufacturing

Green materials

Materials chemistry

Catalysis

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Continuous supercritical synthesis of unsupported and high specific surface area catalyst precursors for deep-hydrodesulfurization

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