I want to convert phenol into cyclohexane via hydrodeoxygenation process. Most literatures suggest to use bifunctional HZSM-5 (acid catalyst) supported Pd catalyst (metal catalyst). However, I want to replace HZSM-5 with other material. I guess natural zeolite can be used to replace HZSM-5. However, I also have to consider the Bronsted acidity and porosity of natural zeolite. How can I tune those properties of natural zeolite? Reference will be very helpful.
as you know proper catalyst is not always the optimal one. the proper catalyst has many benefits and i think you can find many catalyst for this reaction.
A Clinoptilolite or a Mordenite have channel systems equivalent to those of ZSM-5, moreover it is possible to increase their Si/Al ratio from 6 in Natural form to about 10-15 by acid hydrothermal treatment, then ion exchange with ammonia followed by heat activation to get the Acid Form. In my book Physical Chemistry of Materials, CRC Press, Boca Raton, FL, USA, 2009, could you find more information
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