Performance of Methanol-to-Olefins Catalytic Reactions by the Addition of PEG in the Synthesis of SAPO-34
Sign Up to like & getrecommendations! Published in 2017 at "Transactions of Tianjin University"
DOI: 10.1007/s12209-017-0065-y
Abstract: SAPO-34, a silicoaluminophosphate zeolite, has been synthesized by the hydrothermal method with the addition of different molecular weights of polyethylene glycol (PEG), and has been characterized with XRD, SEM, N2 adsorption–desorption, FT-IR, and NH3 temperature-programmed… read more here.
Keywords: addition; sapo; peg; methanol olefins ... See more keywords
H-ZSM-5 zeolite model crystals: Structure-diffusion-activity relationship in methanol-to-olefins catalysis
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Catalysis"
DOI: 10.1016/j.jcat.2016.11.005
Abstract: Abstract Large ZSM-5 zeolite crystals synthesized in fluoride medium show an astonishing activity, stability as well as selectivity towards light olefins in the Methanol-To-Olefins (MTO) reaction. By proper control of the synthesis parameters, ZSM-5 single… read more here.
Keywords: diffusion; catalysis; structure; methanol olefins ... See more keywords
Effect of multi-step desilication and dealumination treatments on the performance of hierarchical EU-1 zeolite for converting methanol to olefins
Sign Up to like & getrecommendations! Published in 2017 at "Microporous and Mesoporous Materials"
DOI: 10.1016/j.micromeso.2016.12.008
Abstract: Multi-steps sequential alkaline and acid treatments were applied on EU-1 zeolite to develop more mesoporosity surface area and to offer more active sites. Different concentrations of NaOH (0.1, 0.25 and 0.5 M) were used to… read more here.
Keywords: treatment; step; parent; methanol olefins ... See more keywords
Hierarchical zeolite ZSM-58 as shape selective catalyst for methanol-to-olefins reaction
Sign Up to like & getrecommendations! Published in 2018 at "Microporous and Mesoporous Materials"
DOI: 10.1016/j.micromeso.2017.11.005
Abstract: Abstract A hierarchical zeolite ZSM-58 architecture, with zeolitic DDR topology, was synthesized via postsynthetic desilication using sodium hydroxide solutions with varying concentration in presence of tetraethylammonium ions acting as pore growth moderator. Resulting ZSM-58 materials… read more here.
Keywords: zeolite zsm; zsm shape; hierarchical zeolite; methanol olefins ... See more keywords
Partial Regeneration of the Spent SAPO-34 Catalyst in the Methanol-to-Olefins Process via Steam Gasification
Sign Up to like & getrecommendations! Published in 2018 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.8b04181
Abstract: The methanol-to-olefins (MTO) reaction over the SAPO-34 catalyst suffers rapid deactivation due to coke deposition. Here, partial regeneration methods with air combustion and steam gasification were investigated. The results showed that both methods could not only… read more here.
Keywords: methanol olefins; sapo catalyst; catalyst; steam gasification ... See more keywords
Shaping of ZSM-5 based catalysts via spray drying: effect on methanol-to-olefins performance.
Sign Up to like & getrecommendations! Published in 2019 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.9b14082
Abstract: Shaping and optimal compositional formulation are major challenges in the successful industrial application of heterogeneous catalysts. The choice of components during formulation plays a vital role in endowing the final catalyst's mechanical strength, durability, lifetime… read more here.
Keywords: zsm based; spray drying; performance; methanol olefins ... See more keywords
MAPO-18 Catalysts for the Methanol to Olefins Process: Influence of Catalyst Acidity in a High-Pressure Syngas (CO and H2) Environment
Sign Up to like & getrecommendations! Published in 2022 at "ACS Catalysis"
DOI: 10.1021/acscatal.1c04694
Abstract: The transition from integrated petrochemical complexes toward decentralized chemical plants utilizing distributed feedstocks calls for simpler downstream unit operations. Less separation steps are attractive for future scenarios and provide an opportunity to design the next-generation… read more here.
Keywords: syngas; methanol olefins; catalyst; mapo ... See more keywords
Porosity of CHA Zeolite Driving the Formation of Polyaromatic Coke Species in the Methanol to Olefins Reaction
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the Brazilian Chemical Society"
DOI: 10.21577/0103-5053.20210008
Abstract: The pore size of the chabazite structure is exceptionally suitable for the methanol to olefins (MTO) reaction. The reaction has an induction period required for the formation of a hydrocarbon pool (HP), usually composed of… read more here.
Keywords: porosity; formation; size; reaction ... See more keywords