Synthesis of highly selective and stable mesoporous Ni–Ce/SAPO-34 nanocatalyst for methanol-to-olefin reaction: Role of polar aprotic N,N-dimethylformamide solvent
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DOI: 10.1016/j.partic.2017.11.004
Abstract: Abstract A series of mesoporous nanocrystalline silicoaluminophosphate (SAPO) zeolites (SAPO-34) were synthesized via an ultrasonic and microwave-assisted hydrothermal method in the presence of [3-(trimethoxysilyl)propyl]octadecyldimethylammonium chloride and cetyltrimethylammonium bromide surfactants as soft templates. Nickel and cerium… read more here.
Keywords: sapo; impregnation; reaction; spectroscopy ... See more keywords
Kinetic Study on Air Regeneration of Industrial Methanol-to-Olefin Catalyst
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DOI: 10.1021/acs.iecr.0c00153
Abstract: The regeneration kinetics of coke on an industrial methanol-to-olefin (MTO) catalyst was studied via thermogravimetric analysis under the air atmosphere. To minimize the uncertainty of the kinetic parameters, four model-free methods were employed to calculate… read more here.
Keywords: industrial methanol; regeneration; model; methanol olefin ... See more keywords
Methanol-to-Olefin Conversion over Small-Pore DDR Zeolites: Tuning the Propylene Selectivity via the Olefin-Based Catalytic Cycle
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DOI: 10.1021/acscatal.9b05521
Abstract: Zeolites that have ultrasmall pore sizes usually exhibit high selectivity toward light olefins when used as catalysts for the conversion of methanol to hydrocarbons (MTH). However, tuning the selec... read more here.
Keywords: conversion small; olefin conversion; conversion; methanol olefin ... See more keywords
Facile synthesis of SAPO-34 with excellent methanol-to-olefin activity in a short time via a conventional hydrothermal method
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DOI: 10.1039/d0nj01550d
Abstract: To save time and economic cost of the synthesis of SAPO-34 zeolites, the effects of hydrothermal time on the structure and methanol-to-olefin (MTO) catalytic activity of SAPO-34 zeolites were investigated in detail. A series of… read more here.
Keywords: hydrothermal method; time; methanol olefin; synthesis sapo ... See more keywords
The state-of-the-art synthetic strategies for SAPO-34 zeolite catalysts in methanol-to-olefin conversion
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DOI: 10.1093/nsr/nwx103
Abstract: Methanol-to-olefin (MTO) conversion has proven to be one of the most successful non-petrochemical routes for producing light olefins. Silicoaluminophosphate (SAPO) zeolite SAPO-34 is one of the best industrial catalysts for MTO conversion, but suffers from… read more here.
Keywords: sapo catalysts; sapo zeolite; conversion; methanol olefin ... See more keywords