{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T06:23:35Z","timestamp":1782973415387,"version":"3.54.5"},"reference-count":62,"publisher":"MDPI AG","issue":"9","license":[{"start":{"date-parts":[[2024,4,28]],"date-time":"2024-04-28T00:00:00Z","timestamp":1714262400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"ational Natural Science Foundation of China","award":["22102013"],"award-info":[{"award-number":["22102013"]}]},{"name":"ational Natural Science Foundation of China","award":["2021M700579"],"award-info":[{"award-number":["2021M700579"]}]},{"name":"ational Natural Science Foundation of China","award":["cstc2021jcyj-bshX0090"],"award-info":[{"award-number":["cstc2021jcyj-bshX0090"]}]},{"name":"Postdoctoral Science Foundation of China","award":["22102013"],"award-info":[{"award-number":["22102013"]}]},{"name":"Postdoctoral Science Foundation of China","award":["2021M700579"],"award-info":[{"award-number":["2021M700579"]}]},{"name":"Postdoctoral Science Foundation of China","award":["cstc2021jcyj-bshX0090"],"award-info":[{"award-number":["cstc2021jcyj-bshX0090"]}]},{"name":"Postdoctoral Science Foundation of Chongqing","award":["22102013"],"award-info":[{"award-number":["22102013"]}]},{"name":"Postdoctoral Science Foundation of Chongqing","award":["2021M700579"],"award-info":[{"award-number":["2021M700579"]}]},{"name":"Postdoctoral Science Foundation of Chongqing","award":["cstc2021jcyj-bshX0090"],"award-info":[{"award-number":["cstc2021jcyj-bshX0090"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>Small-pore zeolites catalyze the methanol-to-olefins (MTO) reaction via a dual-cycle mechanism, encompassing both olefin- and aromatic-based cycles. Zeolite topology is crucial in determining both the catalytic pathway and the product selectivity of the MTO reaction. Herein, we investigate the mechanistic influence of MCM-35 zeolite on the MTO process. The structural properties of the as-synthesized MCM-35 catalyst, including its confined cages (6.19 \u00c5), were characterized, confirming them as the catalytic centers. Then, the MTO reactions were systematically performed and investigated over a MCM-35 catalyst. Feeding pure methanol to the reactor yielded minimal MTO activity despite the formation of some aromatic species within the zeolite. The results suggest that the aromatic-based cycle is entirely suppressed in MCM-35, preventing the simultaneous occurrence of the olefin-based cycle. However, cofeeding a small amount of propene in methanol can obviously enhance the methanol conversion under the same studied reaction conditions. Thus, the exclusive operation of the olefin-based cycle in the MTO reaction, independent of the aromatic-based cycle, was demonstrated in MCM-35 zeolite.<\/jats:p>","DOI":"10.3390\/molecules29092037","type":"journal-article","created":{"date-parts":[[2024,4,29]],"date-time":"2024-04-29T06:13:22Z","timestamp":1714371202000},"page":"2037","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Investigating the Sole Olefin-Based Cycle in Small-Cage MCM-35-Catalyzed Methanol-to-Olefins Reactions"],"prefix":"10.3390","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3774-923X","authenticated-orcid":false,"given":"Zhaohui","family":"Liu","sequence":"first","affiliation":[{"name":"Institute of Advanced Interdisciplinary Studies, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min","family":"Mao","sequence":"additional","affiliation":[{"name":"Institute of Advanced Interdisciplinary Studies, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruixue","family":"Yangcheng","sequence":"additional","affiliation":[{"name":"Institute of Advanced Interdisciplinary Studies, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuang","family":"Lv","sequence":"additional","affiliation":[{"name":"Institute of Advanced Interdisciplinary Studies, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,4,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"249","DOI":"10.1016\/0021-9517(77)90172-5","article-title":"The conversion of methanol and other O-compounds to hydrocarbons over zeolite catalysts","volume":"47","author":"Chang","year":"1977","journal-title":"J. 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