Co-Pyrolysis of Unsaturated C4 and Saturated C6+ Hydrocarbons—An Experimental Study to Evaluate Steam-Cracking Performance
Unsaturated C4 hydrocarbons are abundant in various petrochemical streams. They can be considered as a potential feedstock for the steam-cracking process, where they must be co-processed with C6 and higher (C6+) hydrocarbons of primary naphtha fractions. Co-pyrolysis experiments aiming at the compar...
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MDPI AG
2023-02-01
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| Series: | Materials |
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| Online Access: | https://www.mdpi.com/1996-1944/16/4/1418 |
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| author | Jiří Petrů Tomáš Herink Jan Patera Petr Zámostný |
| author_facet | Jiří Petrů Tomáš Herink Jan Patera Petr Zámostný |
| author_sort | Jiří Petrů |
| collection | DOAJ |
| description | Unsaturated C4 hydrocarbons are abundant in various petrochemical streams. They can be considered as a potential feedstock for the steam-cracking process, where they must be co-processed with C6 and higher (C6+) hydrocarbons of primary naphtha fractions. Co-pyrolysis experiments aiming at the comparison of different C4 hydrocarbon performances were carried out in a laboratory micro-pyrolysis reactor under standardized conditions: 820 °C, 400 kPa, and 0.2 s residence time in the reaction zone. C4 hydrocarbons were co-pyrolyzed with different co-pyrolysis partners containing longer hydrocarbon chain to study the influence of the co-pyrolysis partner structure on the behavior of C4 hydrocarbons. The yields of the pyrolysis products and the conversion of C4 hydrocarbons were used as the performance factors. A regression model was developed and used as a valuable tool for quantifying the inhibition or acceleration effect of co-pyrolysis on the conversion of co-pyrolyzed hydrocarbons. It was found that the performance of different C4 hydrocarbons in co-pyrolysis is substantially different from the separate pyrolysis of the individual components. |
| first_indexed | 2024-03-11T08:30:19Z |
| format | Article |
| id | doaj.art-4a2e0a8e03a94d8ca322d122acb56f4f |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-11T08:30:19Z |
| publishDate | 2023-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-4a2e0a8e03a94d8ca322d122acb56f4f2023-11-16T21:49:30ZengMDPI AGMaterials1996-19442023-02-01164141810.3390/ma16041418Co-Pyrolysis of Unsaturated C4 and Saturated C6+ Hydrocarbons—An Experimental Study to Evaluate Steam-Cracking PerformanceJiří Petrů0Tomáš Herink1Jan Patera2Petr Zámostný3Department of Organic Technology, Faculty of Chemical Technology, University of Chemical Technology Prague, Technická 5, Dejvice, 166 28 Prague, Czech RepublicUnipetrol RPA, Záluží 1, 436 70 Litvínov, Czech RepublicDepartment of Organic Technology, Faculty of Chemical Technology, University of Chemical Technology Prague, Technická 5, Dejvice, 166 28 Prague, Czech RepublicDepartment of Organic Technology, Faculty of Chemical Technology, University of Chemical Technology Prague, Technická 5, Dejvice, 166 28 Prague, Czech RepublicUnsaturated C4 hydrocarbons are abundant in various petrochemical streams. They can be considered as a potential feedstock for the steam-cracking process, where they must be co-processed with C6 and higher (C6+) hydrocarbons of primary naphtha fractions. Co-pyrolysis experiments aiming at the comparison of different C4 hydrocarbon performances were carried out in a laboratory micro-pyrolysis reactor under standardized conditions: 820 °C, 400 kPa, and 0.2 s residence time in the reaction zone. C4 hydrocarbons were co-pyrolyzed with different co-pyrolysis partners containing longer hydrocarbon chain to study the influence of the co-pyrolysis partner structure on the behavior of C4 hydrocarbons. The yields of the pyrolysis products and the conversion of C4 hydrocarbons were used as the performance factors. A regression model was developed and used as a valuable tool for quantifying the inhibition or acceleration effect of co-pyrolysis on the conversion of co-pyrolyzed hydrocarbons. It was found that the performance of different C4 hydrocarbons in co-pyrolysis is substantially different from the separate pyrolysis of the individual components.https://www.mdpi.com/1996-1944/16/4/1418pyrolysisco-pyrolysisC4 unsaturated hydrocarbonsbutenessteam cracking |
| spellingShingle | Jiří Petrů Tomáš Herink Jan Patera Petr Zámostný Co-Pyrolysis of Unsaturated C4 and Saturated C6+ Hydrocarbons—An Experimental Study to Evaluate Steam-Cracking Performance Materials pyrolysis co-pyrolysis C4 unsaturated hydrocarbons butenes steam cracking |
| title | Co-Pyrolysis of Unsaturated C4 and Saturated C6+ Hydrocarbons—An Experimental Study to Evaluate Steam-Cracking Performance |
| title_full | Co-Pyrolysis of Unsaturated C4 and Saturated C6+ Hydrocarbons—An Experimental Study to Evaluate Steam-Cracking Performance |
| title_fullStr | Co-Pyrolysis of Unsaturated C4 and Saturated C6+ Hydrocarbons—An Experimental Study to Evaluate Steam-Cracking Performance |
| title_full_unstemmed | Co-Pyrolysis of Unsaturated C4 and Saturated C6+ Hydrocarbons—An Experimental Study to Evaluate Steam-Cracking Performance |
| title_short | Co-Pyrolysis of Unsaturated C4 and Saturated C6+ Hydrocarbons—An Experimental Study to Evaluate Steam-Cracking Performance |
| title_sort | co pyrolysis of unsaturated c4 and saturated c6 hydrocarbons an experimental study to evaluate steam cracking performance |
| topic | pyrolysis co-pyrolysis C4 unsaturated hydrocarbons butenes steam cracking |
| url | https://www.mdpi.com/1996-1944/16/4/1418 |
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