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The reductive regeneration of a PdCaLaHY zeolite catalyst for isobutane alkylation with butylenes has been studied for the process carried out in the reaction–reductive regeneration–reaction mode. It has been found that the composition of regeneration products was identical to the alkylate composition, suggesting the proceeding of mild hydrocracking of hydrocarbon deposits on the catalyst surface...
Results of testing various heterogeneous catalysts in the synthesis of p-tert-butylphenol via phenol alkylation with tert-butyl alcohol are presented. It has been shown that all other conditions being equal, zeolite beta produced by the Angarsk catalyst and organic synthesis plant possesses the highest catalytic activity and selectivity for the desired product.
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