Abstract
A catalyst based on zeolite was synthesized using the hydrothermal method, and alumina phosphate was embedded in its structure. The correspondent reactor tests were carried out to assess the synthesized catalyst where methanol with a purity of 99.9% was used. The results indicated that alumina phosphate is considerably effective on catalyst functionality. Given the results, the best performance was obtained when the ratio of alumina phosphate to alumina is 0.7 weighted in catalyst and fixed-bed reactor serves in a temperature of 300°C and WHSV of 0.8 h‒1. Structure and morphology of synthesized catalyst were characterized by BET, XRF, SEM, and XRD. The catalyst was evaluated in the process of converting methanol to dimethyl ether in a fixed-bed reactor under operating conditions of 300°C, 1 atm and 0.5 mL min‒1 of feed (pure methanol). The results of test indicated by increasing the amount of alumina phosphate to alumina, the conversion rate of methanol was increased to a constant value and does not change in ratios higher than 0.7. Moreover, the methanol conversion rate will reach temperature 300°C at 84%.
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Kianfar, E. Synthesis and Characterization of AlPO4/ZSM-5 Catalyst for Methanol Conversion to Dimethyl Ether. Russ J Appl Chem 91, 1711–1720 (2018). https://doi.org/10.1134/S1070427218100208
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DOI: https://doi.org/10.1134/S1070427218100208