Influence of the state of Zn species over Zn-ZSM-5/ZSM-11 on the coupling effects of cofeeding n-butane with methanol
[Display omitted] •Ion exchange method is beneficial for the formation of ZnOZn bridging species inside the micropore channel.•ZnOZn bridging species increase the promoting effect of cofeeding n-butane with methanol on aromatics selectivity.•Bulk ZnO particles promote the formation of C2C4 light alk...
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| Veröffentlicht in: | Applied catalysis. A, General General, 2016-06, Vol.519, p.48-55 |
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| container_title | Applied catalysis. A, General |
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| creator | Song, Chao Li, Xiujie Zhu, Xiangxue Liu, Shenglin Chen, Fucun Liu, Feng Xu, Longya |
| description | [Display omitted]
•Ion exchange method is beneficial for the formation of ZnOZn bridging species inside the micropore channel.•ZnOZn bridging species increase the promoting effect of cofeeding n-butane with methanol on aromatics selectivity.•Bulk ZnO particles promote the formation of C2C4 light alkane in cofeeding reaction.
Combination of the exothermic methanol aromatization with the endothermic n-butane aromatization provides a good way to meet the increasing demand for aromatics. Here, a series of Zn-ZSM-5/ZSM-11 catalysts were prepared with different introduction methods. The influence of location and state of Zn species on the coupling effects of cofeeding n-butane with methanol were investigated in detail. UV–vis, H2-TPR and XPS spectra were applied to reveal the state of the Zn species on different catalysts. Quantitative results of NH3-TPD and Pyridine-FTIR were provided to compare the acidity changes of the catalyst after Zn loading. Physical mixing method led to high portion of bulk ZnO particles outside the channel which could promote the formation of C2C4 light alkane in cofeeding reaction. Ion exchange and impregnation modes were beneficial for the formation of ZnOZn bridging species in the micropore channel. ZnOZn bridging species was found to increase the promoting effect of cofeeding n-butane with methanol on aromatics selectivity. |
| doi_str_mv | 10.1016/j.apcata.2016.03.023 |
| format | Article |
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•Ion exchange method is beneficial for the formation of ZnOZn bridging species inside the micropore channel.•ZnOZn bridging species increase the promoting effect of cofeeding n-butane with methanol on aromatics selectivity.•Bulk ZnO particles promote the formation of C2C4 light alkane in cofeeding reaction.
Combination of the exothermic methanol aromatization with the endothermic n-butane aromatization provides a good way to meet the increasing demand for aromatics. Here, a series of Zn-ZSM-5/ZSM-11 catalysts were prepared with different introduction methods. The influence of location and state of Zn species on the coupling effects of cofeeding n-butane with methanol were investigated in detail. UV–vis, H2-TPR and XPS spectra were applied to reveal the state of the Zn species on different catalysts. Quantitative results of NH3-TPD and Pyridine-FTIR were provided to compare the acidity changes of the catalyst after Zn loading. Physical mixing method led to high portion of bulk ZnO particles outside the channel which could promote the formation of C2C4 light alkane in cofeeding reaction. Ion exchange and impregnation modes were beneficial for the formation of ZnOZn bridging species in the micropore channel. ZnOZn bridging species was found to increase the promoting effect of cofeeding n-butane with methanol on aromatics selectivity.</description><identifier>ISSN: 0926-860X</identifier><identifier>EISSN: 1873-3875</identifier><identifier>DOI: 10.1016/j.apcata.2016.03.023</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Aromatization ; Bonding ; Bridging ; Catalysis ; Catalysts ; Channels ; Cofeeding ; Coupling ; Methanol ; Methyl alcohol ; n-Butane ; Zinc ; Zn state</subject><ispartof>Applied catalysis. A, General, 2016-06, Vol.519, p.48-55</ispartof><rights>2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c376t-90835153fd323891e27e828dd03a9b138806a99a4ad703be4c40d0dc7c3a89a93</citedby><cites>FETCH-LOGICAL-c376t-90835153fd323891e27e828dd03a9b138806a99a4ad703be4c40d0dc7c3a89a93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0926860X16301466$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Song, Chao</creatorcontrib><creatorcontrib>Li, Xiujie</creatorcontrib><creatorcontrib>Zhu, Xiangxue</creatorcontrib><creatorcontrib>Liu, Shenglin</creatorcontrib><creatorcontrib>Chen, Fucun</creatorcontrib><creatorcontrib>Liu, Feng</creatorcontrib><creatorcontrib>Xu, Longya</creatorcontrib><title>Influence of the state of Zn species over Zn-ZSM-5/ZSM-11 on the coupling effects of cofeeding n-butane with methanol</title><title>Applied catalysis. A, General</title><description>[Display omitted]
•Ion exchange method is beneficial for the formation of ZnOZn bridging species inside the micropore channel.•ZnOZn bridging species increase the promoting effect of cofeeding n-butane with methanol on aromatics selectivity.•Bulk ZnO particles promote the formation of C2C4 light alkane in cofeeding reaction.
Combination of the exothermic methanol aromatization with the endothermic n-butane aromatization provides a good way to meet the increasing demand for aromatics. Here, a series of Zn-ZSM-5/ZSM-11 catalysts were prepared with different introduction methods. The influence of location and state of Zn species on the coupling effects of cofeeding n-butane with methanol were investigated in detail. UV–vis, H2-TPR and XPS spectra were applied to reveal the state of the Zn species on different catalysts. Quantitative results of NH3-TPD and Pyridine-FTIR were provided to compare the acidity changes of the catalyst after Zn loading. Physical mixing method led to high portion of bulk ZnO particles outside the channel which could promote the formation of C2C4 light alkane in cofeeding reaction. Ion exchange and impregnation modes were beneficial for the formation of ZnOZn bridging species in the micropore channel. ZnOZn bridging species was found to increase the promoting effect of cofeeding n-butane with methanol on aromatics selectivity.</description><subject>Aromatization</subject><subject>Bonding</subject><subject>Bridging</subject><subject>Catalysis</subject><subject>Catalysts</subject><subject>Channels</subject><subject>Cofeeding</subject><subject>Coupling</subject><subject>Methanol</subject><subject>Methyl alcohol</subject><subject>n-Butane</subject><subject>Zinc</subject><subject>Zn state</subject><issn>0926-860X</issn><issn>1873-3875</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LxDAQhoMouK7-Aw85emmdNP1ILoIsfiwoHlQQLyGbTN0u3aY2qeK_N9317GWGd3jfYeYh5JxByoCVl5tU90YHnWZRpcBTyPgBmTFR8YSLqjgkM5BZmYgS3o7JifcbAMhyWczIuOzqdsTOIHU1DWukPuiwE-8d9T2aBj11XzhEnbw_PybF5VQZo67b-Y0b-7bpPijWNZrgp6hxNaKdhl2yGoPukH43YU23GNa6c-0pOap16_Hsr8_J6-3Ny-I-eXi6Wy6uHxLDqzIkEgQvWMFryzMuJMOsQpEJa4FruWJcCCi1lDrXtgK-wtzkYMGaynAtpJZ8Ti72e_vBfY7og9o23mDbxovc6BUTrIS8Enyy5nurGZz3A9aqH5qtHn4UAzVRVhu1p6wmygq4ipRj7Gofw_jGV4OD8pFYxGmbIdJQ1jX_L_gF_UCGhg</recordid><startdate>20160605</startdate><enddate>20160605</enddate><creator>Song, Chao</creator><creator>Li, Xiujie</creator><creator>Zhu, Xiangxue</creator><creator>Liu, Shenglin</creator><creator>Chen, Fucun</creator><creator>Liu, Feng</creator><creator>Xu, Longya</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20160605</creationdate><title>Influence of the state of Zn species over Zn-ZSM-5/ZSM-11 on the coupling effects of cofeeding n-butane with methanol</title><author>Song, Chao ; Li, Xiujie ; Zhu, Xiangxue ; Liu, Shenglin ; Chen, Fucun ; Liu, Feng ; Xu, Longya</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c376t-90835153fd323891e27e828dd03a9b138806a99a4ad703be4c40d0dc7c3a89a93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Aromatization</topic><topic>Bonding</topic><topic>Bridging</topic><topic>Catalysis</topic><topic>Catalysts</topic><topic>Channels</topic><topic>Cofeeding</topic><topic>Coupling</topic><topic>Methanol</topic><topic>Methyl alcohol</topic><topic>n-Butane</topic><topic>Zinc</topic><topic>Zn state</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Song, Chao</creatorcontrib><creatorcontrib>Li, Xiujie</creatorcontrib><creatorcontrib>Zhu, Xiangxue</creatorcontrib><creatorcontrib>Liu, Shenglin</creatorcontrib><creatorcontrib>Chen, Fucun</creatorcontrib><creatorcontrib>Liu, Feng</creatorcontrib><creatorcontrib>Xu, Longya</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied catalysis. A, General</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Song, Chao</au><au>Li, Xiujie</au><au>Zhu, Xiangxue</au><au>Liu, Shenglin</au><au>Chen, Fucun</au><au>Liu, Feng</au><au>Xu, Longya</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of the state of Zn species over Zn-ZSM-5/ZSM-11 on the coupling effects of cofeeding n-butane with methanol</atitle><jtitle>Applied catalysis. A, General</jtitle><date>2016-06-05</date><risdate>2016</risdate><volume>519</volume><spage>48</spage><epage>55</epage><pages>48-55</pages><issn>0926-860X</issn><eissn>1873-3875</eissn><abstract>[Display omitted]
•Ion exchange method is beneficial for the formation of ZnOZn bridging species inside the micropore channel.•ZnOZn bridging species increase the promoting effect of cofeeding n-butane with methanol on aromatics selectivity.•Bulk ZnO particles promote the formation of C2C4 light alkane in cofeeding reaction.
Combination of the exothermic methanol aromatization with the endothermic n-butane aromatization provides a good way to meet the increasing demand for aromatics. Here, a series of Zn-ZSM-5/ZSM-11 catalysts were prepared with different introduction methods. The influence of location and state of Zn species on the coupling effects of cofeeding n-butane with methanol were investigated in detail. UV–vis, H2-TPR and XPS spectra were applied to reveal the state of the Zn species on different catalysts. Quantitative results of NH3-TPD and Pyridine-FTIR were provided to compare the acidity changes of the catalyst after Zn loading. Physical mixing method led to high portion of bulk ZnO particles outside the channel which could promote the formation of C2C4 light alkane in cofeeding reaction. Ion exchange and impregnation modes were beneficial for the formation of ZnOZn bridging species in the micropore channel. ZnOZn bridging species was found to increase the promoting effect of cofeeding n-butane with methanol on aromatics selectivity.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.apcata.2016.03.023</doi><tpages>8</tpages></addata></record> |
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| subjects | Aromatization Bonding Bridging Catalysis Catalysts Channels Cofeeding Coupling Methanol Methyl alcohol n-Butane Zinc Zn state |
| title | Influence of the state of Zn species over Zn-ZSM-5/ZSM-11 on the coupling effects of cofeeding n-butane with methanol |
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