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- W2790389962 abstract "The purpose of this study is to increase acrolein yield and capability of coking resistance in the reaction of glycerol dehydration to acrolein by assembling metal phosphate supported on HZSM-5 catalyst. The as-prepared catalysts were characterized by XRD, SEM, EDS, BET, NH3-TPD, CO2-TPD and Py-IR techniques. It was found that metal phosphate species were incorporated into the porous structure of HZSM-5 zeolites, thus influencing the surface and textural physico-chemical properties of the supporters. The alkaline-treated HZSM-5 catalyst promoted the dispersion of phosphate species on the carriers. Moreover, the amount of strong acidity was tremendously improved by adding the different metal hydrophosphates and the catalysts show high catalytic activity. In this present work, the Sn1/4H2PO4/HZSM-5 catalyst exhibited good performance in the catalytic activity and coking resistant ability, which resulted in a high acrolein yield of 83% initially and acrolein yield of 68% after 30 h. The acidity, especially the ratio of strong to weak acid, plays an important role in promoting acrolein yield and stability simultaneously." @default.
- W2790389962 created "2018-03-29" @default.
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- W2790389962 date "2018-05-01" @default.
- W2790389962 modified "2023-10-01" @default.
- W2790389962 title "High-performance phosphate supported on HZSM-5 catalyst for dehydration of glycerol to acrolein" @default.
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- W2790389962 doi "https://doi.org/10.1016/j.cjche.2018.01.005" @default.
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