Abstract
The effect of hydrogen reduction on the activity of chromium exchanged ZSM-5 (Cr–ZSM-5) in the decomposition of ethyl acetate and benzene is reported. Reduction was performed at 400 °C for 1 h while activity study was done using a reactor operated between 100 and 500 °C and at GHSV of 32,000 h −1. Reduction caused the migration of chromium to subsequently form chromia nanoparticles during VOC decomposition process leading to lower conversions. In line with the Mars–van Krevelen model, yield of carbon dioxide increased after reduction. Less coking tendency of reduced Cr–ZSM-5 was ascribed to lower conversion and higher yield of carbon dioxide.
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