Mössbauer study of hydrodemetallization clay catalysts of heavy oils: Role of pyrrhotites |
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| Authors: | Gonzalez-Jimenez F Constant H Iraldi R Jaimes E Rosa-Brussin M |
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| Institution: | (1) Departamento de Fisica, Facultad de Ciencias, Universidad Central de Venezuela, Apartado, 21201, 1020A Caracas, Venezuela;(2) Departamento de Quimica, Facultad de Ciencias, Universidad Central de Venezuela, Apartado, 21201, 1020A Caracas, Venezuela |
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| Abstract: | The evolution of iron in clay catalysts employed in hydrodemetallization (HDM) of heavy oils has been studied by the Mossbauer effect. Pyrrhotites which appear during the process, were recognized as one of the active phases in HDM.Work partially supported by CDCH (Consejo de Desarrollo Científico y Humanistico de la Universidad Central de Venezuela). |
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