Flexible strategies for carbon‐negative syngas and biochar poly‐generation via a novel chemical looping approach
This work proposed a pyrolysis chemical looping reforming‐two stage regeneration (PCLR‐TR) process with carbon‐negative syngas and biochar poly‐generation，aimed at overcoming challenges in chemical looping gasification. The process effectively separates pyrolysis and reforming, circumventing slow so...
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| Veröffentlicht in: | AIChE journal 2024-11, Vol.70 (11), p.n/a |
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| creator | Liu, Gen Sun, Zhongshun Wang, Zhichao Yu, Binpeng Yang, Xiantan Zhang, Bo Zhang, Rongjiang Yang, Bolun Wu, Zhiqiang |
| description | This work proposed a pyrolysis chemical looping reforming‐two stage regeneration (PCLR‐TR) process with carbon‐negative syngas and biochar poly‐generation，aimed at overcoming challenges in chemical looping gasification. The process effectively separates pyrolysis and reforming, circumventing slow solid–solid reactions and enabling the flexible adjustment of the H2/CO ratio. The two‐stage regeneration ensures improved synchronization of reaction rates across different reactors. The results indicate that manipulation of process parameters allows for flexible adjustment of the H2/CO ratio in syngas (ranging from 1.02 to 3.83). The introduction of CO2 feed in the first stage regeneration reactor reduces the oxygen carrier exothermic intensity in the second stage regeneration reactor by 58%. Optimization results suggest that the generated syngas is compatible with diverse downstream applications, exhibiting a maximum CO2 negative emission of 1.85 kg/kg syngas. The PCLR‐TR system offers a versatile and environmentally friendly solution for the energy and chemical industries. |
| doi_str_mv | 10.1002/aic.18533 |
| format | Article |
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The process effectively separates pyrolysis and reforming, circumventing slow solid–solid reactions and enabling the flexible adjustment of the H2/CO ratio. The two‐stage regeneration ensures improved synchronization of reaction rates across different reactors. The results indicate that manipulation of process parameters allows for flexible adjustment of the H2/CO ratio in syngas (ranging from 1.02 to 3.83). The introduction of CO2 feed in the first stage regeneration reactor reduces the oxygen carrier exothermic intensity in the second stage regeneration reactor by 58%. Optimization results suggest that the generated syngas is compatible with diverse downstream applications, exhibiting a maximum CO2 negative emission of 1.85 kg/kg syngas. The PCLR‐TR system offers a versatile and environmentally friendly solution for the energy and chemical industries.</description><identifier>ISSN: 0001-1541</identifier><identifier>EISSN: 1547-5905</identifier><identifier>DOI: 10.1002/aic.18533</identifier><language>eng</language><publisher>Hoboken, USA: John Wiley & Sons, Inc</publisher><subject>biomass gasification ; Carbon dioxide ; carbon negative ; Charcoal ; chemical looping reforming ; Chemical reactions ; Exothermic reactions ; Gasification ; process optimization ; Process parameters ; Pyrolysis ; Reactors ; Reforming ; Regeneration ; sensitivity analysis ; Synchronism ; Synchronization ; Synthesis gas</subject><ispartof>AIChE journal, 2024-11, Vol.70 (11), p.n/a</ispartof><rights>2024 American Institute of Chemical Engineers.</rights><rights>2024 American Institute of Chemical Engineers</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c1873-1dc5b72b3871e88af02a9b997313dcea0e49998cc8306cb93cbd841214995c043</cites><orcidid>0000-0002-3067-014X ; 0000-0002-0777-3183</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Faic.18533$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Faic.18533$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27929,27930,45579,45580</link.rule.ids></links><search><creatorcontrib>Liu, Gen</creatorcontrib><creatorcontrib>Sun, Zhongshun</creatorcontrib><creatorcontrib>Wang, Zhichao</creatorcontrib><creatorcontrib>Yu, Binpeng</creatorcontrib><creatorcontrib>Yang, Xiantan</creatorcontrib><creatorcontrib>Zhang, Bo</creatorcontrib><creatorcontrib>Zhang, Rongjiang</creatorcontrib><creatorcontrib>Yang, Bolun</creatorcontrib><creatorcontrib>Wu, Zhiqiang</creatorcontrib><title>Flexible strategies for carbon‐negative syngas and biochar poly‐generation via a novel chemical looping approach</title><title>AIChE journal</title><description>This work proposed a pyrolysis chemical looping reforming‐two stage regeneration (PCLR‐TR) process with carbon‐negative syngas and biochar poly‐generation，aimed at overcoming challenges in chemical looping gasification. The process effectively separates pyrolysis and reforming, circumventing slow solid–solid reactions and enabling the flexible adjustment of the H2/CO ratio. The two‐stage regeneration ensures improved synchronization of reaction rates across different reactors. The results indicate that manipulation of process parameters allows for flexible adjustment of the H2/CO ratio in syngas (ranging from 1.02 to 3.83). The introduction of CO2 feed in the first stage regeneration reactor reduces the oxygen carrier exothermic intensity in the second stage regeneration reactor by 58%. Optimization results suggest that the generated syngas is compatible with diverse downstream applications, exhibiting a maximum CO2 negative emission of 1.85 kg/kg syngas. The PCLR‐TR system offers a versatile and environmentally friendly solution for the energy and chemical industries.</description><subject>biomass gasification</subject><subject>Carbon dioxide</subject><subject>carbon negative</subject><subject>Charcoal</subject><subject>chemical looping reforming</subject><subject>Chemical reactions</subject><subject>Exothermic reactions</subject><subject>Gasification</subject><subject>process optimization</subject><subject>Process parameters</subject><subject>Pyrolysis</subject><subject>Reactors</subject><subject>Reforming</subject><subject>Regeneration</subject><subject>sensitivity analysis</subject><subject>Synchronism</subject><subject>Synchronization</subject><subject>Synthesis gas</subject><issn>0001-1541</issn><issn>1547-5905</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp1kEFOwzAQRS0EEqWw4AaWWLFIa8cJcZZVRaFSJTawtiaOk7py7WCnhew4AmfkJBjCFs1iNF_vz5c-QteUzCgh6Ry0nFGeM3aCJjTPiiQvSX6KJoQQmkSBnqOLEHbxSgueTlC_MupdV0bh0HvoVatVwI3zWIKvnP36-LSqhV4fIzDYFgIGW-NKO7kFjztnhoi0yqpo1s7iowYM2LqjMlhu1V5LMNg412nbYug670BuL9FZAyaoq789RS-r--flY7J5elgvF5tEUl6whNYyr4q0YryginNoSAplVZYFo6yWCojKyrLkUnJG7mRVMlnVPKMpjXIuScam6Gb8G2NfDyr0YucO3sZIwSjNizg0jdTtSEnvQvCqEZ3Xe_CDoET8lCpiqeK31MjOR_ZNGzX8D4rFejk6vgH8vnuZ</recordid><startdate>202411</startdate><enddate>202411</enddate><creator>Liu, Gen</creator><creator>Sun, Zhongshun</creator><creator>Wang, Zhichao</creator><creator>Yu, Binpeng</creator><creator>Yang, Xiantan</creator><creator>Zhang, Bo</creator><creator>Zhang, Rongjiang</creator><creator>Yang, Bolun</creator><creator>Wu, Zhiqiang</creator><general>John Wiley & Sons, Inc</general><general>American Institute of Chemical Engineers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7U5</scope><scope>8FD</scope><scope>C1K</scope><scope>L7M</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0002-3067-014X</orcidid><orcidid>https://orcid.org/0000-0002-0777-3183</orcidid></search><sort><creationdate>202411</creationdate><title>Flexible strategies for carbon‐negative syngas and biochar poly‐generation via a novel chemical looping approach</title><author>Liu, Gen ; Sun, Zhongshun ; Wang, Zhichao ; Yu, Binpeng ; Yang, Xiantan ; Zhang, Bo ; Zhang, Rongjiang ; Yang, Bolun ; Wu, Zhiqiang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1873-1dc5b72b3871e88af02a9b997313dcea0e49998cc8306cb93cbd841214995c043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>biomass gasification</topic><topic>Carbon dioxide</topic><topic>carbon negative</topic><topic>Charcoal</topic><topic>chemical looping reforming</topic><topic>Chemical reactions</topic><topic>Exothermic reactions</topic><topic>Gasification</topic><topic>process optimization</topic><topic>Process parameters</topic><topic>Pyrolysis</topic><topic>Reactors</topic><topic>Reforming</topic><topic>Regeneration</topic><topic>sensitivity analysis</topic><topic>Synchronism</topic><topic>Synchronization</topic><topic>Synthesis gas</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Gen</creatorcontrib><creatorcontrib>Sun, Zhongshun</creatorcontrib><creatorcontrib>Wang, Zhichao</creatorcontrib><creatorcontrib>Yu, Binpeng</creatorcontrib><creatorcontrib>Yang, Xiantan</creatorcontrib><creatorcontrib>Zhang, Bo</creatorcontrib><creatorcontrib>Zhang, Rongjiang</creatorcontrib><creatorcontrib>Yang, Bolun</creatorcontrib><creatorcontrib>Wu, Zhiqiang</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Environment Abstracts</collection><jtitle>AIChE journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Gen</au><au>Sun, Zhongshun</au><au>Wang, Zhichao</au><au>Yu, Binpeng</au><au>Yang, Xiantan</au><au>Zhang, Bo</au><au>Zhang, Rongjiang</au><au>Yang, Bolun</au><au>Wu, Zhiqiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Flexible strategies for carbon‐negative syngas and biochar poly‐generation via a novel chemical looping approach</atitle><jtitle>AIChE journal</jtitle><date>2024-11</date><risdate>2024</risdate><volume>70</volume><issue>11</issue><epage>n/a</epage><issn>0001-1541</issn><eissn>1547-5905</eissn><abstract>This work proposed a pyrolysis chemical looping reforming‐two stage regeneration (PCLR‐TR) process with carbon‐negative syngas and biochar poly‐generation，aimed at overcoming challenges in chemical looping gasification. The process effectively separates pyrolysis and reforming, circumventing slow solid–solid reactions and enabling the flexible adjustment of the H2/CO ratio. The two‐stage regeneration ensures improved synchronization of reaction rates across different reactors. The results indicate that manipulation of process parameters allows for flexible adjustment of the H2/CO ratio in syngas (ranging from 1.02 to 3.83). The introduction of CO2 feed in the first stage regeneration reactor reduces the oxygen carrier exothermic intensity in the second stage regeneration reactor by 58%. Optimization results suggest that the generated syngas is compatible with diverse downstream applications, exhibiting a maximum CO2 negative emission of 1.85 kg/kg syngas. The PCLR‐TR system offers a versatile and environmentally friendly solution for the energy and chemical industries.</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/aic.18533</doi><tpages>17</tpages><orcidid>https://orcid.org/0000-0002-3067-014X</orcidid><orcidid>https://orcid.org/0000-0002-0777-3183</orcidid></addata></record> |
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| subjects | biomass gasification Carbon dioxide carbon negative Charcoal chemical looping reforming Chemical reactions Exothermic reactions Gasification process optimization Process parameters Pyrolysis Reactors Reforming Regeneration sensitivity analysis Synchronism Synchronization Synthesis gas |
| title | Flexible strategies for carbon‐negative syngas and biochar poly‐generation via a novel chemical looping approach |
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