The role of acidity, side pocket, and steam on maximizing propylene yield from light naphtha cracking over one-dimensional zeolites: Case studies of EU-1 and disordered ZSM-48
[Display omitted] •ZSM-48 and EU-1 with different Si/Al ratios were applied in catalytic cracking.•The highest propylene yield was ~39 wt% over EU-1 with Si/Al of 50.•The side pocket of EU-1 enhanced the catalyst lifetime and propylene yield.•The addition of 5% steam changed the concentration of Brø...
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| Veröffentlicht in: | Fuel (Guildford) 2019-12, Vol.258, p.116034, Article 116034 |
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| container_title | Fuel (Guildford) |
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| creator | Ahmed, Mohamed H.M. Masuda, Takao Muraza, Oki |
| description | [Display omitted]
•ZSM-48 and EU-1 with different Si/Al ratios were applied in catalytic cracking.•The highest propylene yield was ~39 wt% over EU-1 with Si/Al of 50.•The side pocket of EU-1 enhanced the catalyst lifetime and propylene yield.•The addition of 5% steam changed the concentration of Brønsted and Lewis acid sites.•The presence of steam over ZSM-48 enhanced the catalyst lifetime.
Catalytic cracking of light naphtha was carried out in a fixed bed reactor over ZSM-48 and EU-1 zeolites at different Si/Al ratios. The highest propylene yield achieved was ~39 wt% over EU-1 catalyst which has the lowest Si/Al ratio of 50. The side pocket of EU-1 catalyst exhibited important role in prolonging the lifetime and enhancing the propylene yield. The addition of 5% molar percent of water to the reaction caused considerable changes in the concentration of Brønsted and Lewis due to the dealumination observed. The presence of steam over ZSM-48 showed good enhancement in the catalyst lifetime and significant decrease in deactivation rate as compared to EU-1. |
| doi_str_mv | 10.1016/j.fuel.2019.116034 |
| format | Article |
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•ZSM-48 and EU-1 with different Si/Al ratios were applied in catalytic cracking.•The highest propylene yield was ~39 wt% over EU-1 with Si/Al of 50.•The side pocket of EU-1 enhanced the catalyst lifetime and propylene yield.•The addition of 5% steam changed the concentration of Brønsted and Lewis acid sites.•The presence of steam over ZSM-48 enhanced the catalyst lifetime.
Catalytic cracking of light naphtha was carried out in a fixed bed reactor over ZSM-48 and EU-1 zeolites at different Si/Al ratios. The highest propylene yield achieved was ~39 wt% over EU-1 catalyst which has the lowest Si/Al ratio of 50. The side pocket of EU-1 catalyst exhibited important role in prolonging the lifetime and enhancing the propylene yield. The addition of 5% molar percent of water to the reaction caused considerable changes in the concentration of Brønsted and Lewis due to the dealumination observed. The presence of steam over ZSM-48 showed good enhancement in the catalyst lifetime and significant decrease in deactivation rate as compared to EU-1.</description><identifier>ISSN: 0016-2361</identifier><identifier>EISSN: 1873-7153</identifier><identifier>DOI: 10.1016/j.fuel.2019.116034</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Acidity ; Aluminum ; Catalysts ; Catalytic cracking ; Deactivation ; EU-1 ; Fixed bed reactors ; Fixed beds ; Naphtha ; Naphtha cracking ; One-dimensional zeolites ; Propylene ; Silicon ; Steam ; Steam cracking ; Yield ; Zeolites ; ZSM-48</subject><ispartof>Fuel (Guildford), 2019-12, Vol.258, p.116034, Article 116034</ispartof><rights>2019 Elsevier Ltd</rights><rights>Copyright Elsevier BV Dec 15, 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c365t-bf8bccdb78d5a7a8050609f90002db5b1f9077a34e0f49a9b72a7be882ea08d13</citedby><cites>FETCH-LOGICAL-c365t-bf8bccdb78d5a7a8050609f90002db5b1f9077a34e0f49a9b72a7be882ea08d13</cites><orcidid>0000-0002-8348-8085</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.fuel.2019.116034$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids></links><search><creatorcontrib>Ahmed, Mohamed H.M.</creatorcontrib><creatorcontrib>Masuda, Takao</creatorcontrib><creatorcontrib>Muraza, Oki</creatorcontrib><title>The role of acidity, side pocket, and steam on maximizing propylene yield from light naphtha cracking over one-dimensional zeolites: Case studies of EU-1 and disordered ZSM-48</title><title>Fuel (Guildford)</title><description>[Display omitted]
•ZSM-48 and EU-1 with different Si/Al ratios were applied in catalytic cracking.•The highest propylene yield was ~39 wt% over EU-1 with Si/Al of 50.•The side pocket of EU-1 enhanced the catalyst lifetime and propylene yield.•The addition of 5% steam changed the concentration of Brønsted and Lewis acid sites.•The presence of steam over ZSM-48 enhanced the catalyst lifetime.
Catalytic cracking of light naphtha was carried out in a fixed bed reactor over ZSM-48 and EU-1 zeolites at different Si/Al ratios. The highest propylene yield achieved was ~39 wt% over EU-1 catalyst which has the lowest Si/Al ratio of 50. The side pocket of EU-1 catalyst exhibited important role in prolonging the lifetime and enhancing the propylene yield. The addition of 5% molar percent of water to the reaction caused considerable changes in the concentration of Brønsted and Lewis due to the dealumination observed. The presence of steam over ZSM-48 showed good enhancement in the catalyst lifetime and significant decrease in deactivation rate as compared to EU-1.</description><subject>Acidity</subject><subject>Aluminum</subject><subject>Catalysts</subject><subject>Catalytic cracking</subject><subject>Deactivation</subject><subject>EU-1</subject><subject>Fixed bed reactors</subject><subject>Fixed beds</subject><subject>Naphtha</subject><subject>Naphtha cracking</subject><subject>One-dimensional zeolites</subject><subject>Propylene</subject><subject>Silicon</subject><subject>Steam</subject><subject>Steam cracking</subject><subject>Yield</subject><subject>Zeolites</subject><subject>ZSM-48</subject><issn>0016-2361</issn><issn>1873-7153</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kc2O1DAQhC0EEsPCC3CyxHUz-CeJHcQFjZYfaREHdi9cLMfu7PRsEgfbs2L2pXhFHIYzp-5Dfd1VKkJec7bljLdvD9vhCONWMN5tOW-ZrJ-QDddKVoo38inZsKKqhGz5c_IipQNjTOmm3pDfN3ugMYxAw0CtQ4_5dEkTeqBLcPeQL6mdPU0Z7ETDTCf7Cyd8xPmOLjEspxFmoCeE0dMhhomOeLfPdLbLPu8tddG6-1UbHiAWHCqPE8wJw2xH-ghhxAzpHd3ZBOXH0SOk1cjVbcX__vWYQvQQwdMf379WtX5Jng12TPDq37wgtx-vbnafq-tvn77sPlxXTrZNrvpB9875XmnfWGU1a1jLuqEruYXvm56XVSkra2BD3dmuV8KqHrQWYJn2XF6QN-e7JeXPI6RsDuEYi-tkhGSaCSlUW1TirHIxpBRhMEvEycaT4cysxZiDWYsxazHmXEyB3p8hKP4fEKJJDmF24DGCy8YH_B_-By_smK8</recordid><startdate>20191215</startdate><enddate>20191215</enddate><creator>Ahmed, Mohamed H.M.</creator><creator>Masuda, Takao</creator><creator>Muraza, Oki</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0002-8348-8085</orcidid></search><sort><creationdate>20191215</creationdate><title>The role of acidity, side pocket, and steam on maximizing propylene yield from light naphtha cracking over one-dimensional zeolites: Case studies of EU-1 and disordered ZSM-48</title><author>Ahmed, Mohamed H.M. ; Masuda, Takao ; Muraza, Oki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c365t-bf8bccdb78d5a7a8050609f90002db5b1f9077a34e0f49a9b72a7be882ea08d13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Acidity</topic><topic>Aluminum</topic><topic>Catalysts</topic><topic>Catalytic cracking</topic><topic>Deactivation</topic><topic>EU-1</topic><topic>Fixed bed reactors</topic><topic>Fixed beds</topic><topic>Naphtha</topic><topic>Naphtha cracking</topic><topic>One-dimensional zeolites</topic><topic>Propylene</topic><topic>Silicon</topic><topic>Steam</topic><topic>Steam cracking</topic><topic>Yield</topic><topic>Zeolites</topic><topic>ZSM-48</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ahmed, Mohamed H.M.</creatorcontrib><creatorcontrib>Masuda, Takao</creatorcontrib><creatorcontrib>Muraza, Oki</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Fuel (Guildford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ahmed, Mohamed H.M.</au><au>Masuda, Takao</au><au>Muraza, Oki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The role of acidity, side pocket, and steam on maximizing propylene yield from light naphtha cracking over one-dimensional zeolites: Case studies of EU-1 and disordered ZSM-48</atitle><jtitle>Fuel (Guildford)</jtitle><date>2019-12-15</date><risdate>2019</risdate><volume>258</volume><spage>116034</spage><pages>116034-</pages><artnum>116034</artnum><issn>0016-2361</issn><eissn>1873-7153</eissn><abstract>[Display omitted]
•ZSM-48 and EU-1 with different Si/Al ratios were applied in catalytic cracking.•The highest propylene yield was ~39 wt% over EU-1 with Si/Al of 50.•The side pocket of EU-1 enhanced the catalyst lifetime and propylene yield.•The addition of 5% steam changed the concentration of Brønsted and Lewis acid sites.•The presence of steam over ZSM-48 enhanced the catalyst lifetime.
Catalytic cracking of light naphtha was carried out in a fixed bed reactor over ZSM-48 and EU-1 zeolites at different Si/Al ratios. The highest propylene yield achieved was ~39 wt% over EU-1 catalyst which has the lowest Si/Al ratio of 50. The side pocket of EU-1 catalyst exhibited important role in prolonging the lifetime and enhancing the propylene yield. The addition of 5% molar percent of water to the reaction caused considerable changes in the concentration of Brønsted and Lewis due to the dealumination observed. The presence of steam over ZSM-48 showed good enhancement in the catalyst lifetime and significant decrease in deactivation rate as compared to EU-1.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.fuel.2019.116034</doi><orcidid>https://orcid.org/0000-0002-8348-8085</orcidid></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Acidity Aluminum Catalysts Catalytic cracking Deactivation EU-1 Fixed bed reactors Fixed beds Naphtha Naphtha cracking One-dimensional zeolites Propylene Silicon Steam Steam cracking Yield Zeolites ZSM-48 |
| title | The role of acidity, side pocket, and steam on maximizing propylene yield from light naphtha cracking over one-dimensional zeolites: Case studies of EU-1 and disordered ZSM-48 |
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