Rhodium catalysts have been prepared on palygorskite and montmorillonite (clay) supports by reduction with hydrogen (1 atmosphere) at room temperature of a cationic organometallic rhodium compound anchored to the support. The activity of these catalysts for the hydrogenation of liquid‐phase 1‐hexene remains constant with increase of prehydrogenation time and with re‐use for several runs. No rhodium leaching is observed.
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Herrero et al. (1989) studied this question.
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