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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.3c00028
|2 doi
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|a pubmed24n1176.xml
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|a (DE-627)NLM353090948
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|a (NLM)36802671
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhang, Yaoyuan
|e verfasserin
|4 aut
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|a Synergetic Regulation of the Microstructure and Acidity of HZSM-5/MCM-41 for Efficient Catalytic Cracking of n-Decane
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|c 2023
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|a Text
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 07.03.2023
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|a Date Revised 07.03.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Alkane catalytic cracking is regarded as one of the most significant processes for light olefin production; however, it suffers from serve catalyst deactivation due to coke formation. Herein, HZSM-5/MCM-41 composites with different Si/Al2 ratios were first prepared by the hydrothermal method. The physicochemical properties of the prepared catalysts were analyzed by a series of bulk and surface characterization methods, and the catalytic performance was tested in n-decane catalytic cracking. It was found that HZSM-5/MCM-41 showed a higher selectivity to light olefins and a lower deactivation rate compared with the parent HZSM-5 due to an enhanced diffusion rate and decreased acid density. Moreover, the structure-reactivity relationship revealed that conversion, light olefin selectivity, and the deactivation rate strongly depended on the total acid density. Furthermore, HZSM-5/MCM-41 was further extruded with γ-Al2O3 to obtain the catalyst pellet, which showed an even higher selectivity to light olefins (∼48%) resulting from the synergy effect of the fast diffusion rate and passivation of external acid density
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|a Journal Article
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1 |
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|a Wu, Qin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Kun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Shi, Daxin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jia, Shujun
|e verfasserin
|4 aut
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1 |
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|a Chen, Kangcheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Hansheng
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 39(2023), 9 vom: 07. März, Seite 3494-3501
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:39
|g year:2023
|g number:9
|g day:07
|g month:03
|g pages:3494-3501
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|u http://dx.doi.org/10.1021/acs.langmuir.3c00028
|3 Volltext
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