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Hydro-upgrading of algal bio-oil in tetralin for the production of high-quality liquid fuel: Process intensification
We report a new process to realize the deep removal of N, O, and S from the bio-oil when using a batch reactor to do the hydro-upgrading experiments. That is, within a fixed reaction time, hydro-upgrading of the bio-oil was carried out in several stages. After each stage reaction was finished, the r...
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| Published in: | Fuel processing technology 2021-12, Vol.224, p.107034, Article 107034 |
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| cited_by | cdi_FETCH-LOGICAL-c334t-b358faafb371a22eae231d4f4fb028989318c01685122326f5ee46b22ddb0a013 |
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| cites | cdi_FETCH-LOGICAL-c334t-b358faafb371a22eae231d4f4fb028989318c01685122326f5ee46b22ddb0a013 |
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| container_start_page | 107034 |
| container_title | Fuel processing technology |
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| creator | Chen, Lei Wang, Zhi-Cong Chen, Dabo Yin, Lin-Xin Duan, Pei-Gao |
| description | We report a new process to realize the deep removal of N, O, and S from the bio-oil when using a batch reactor to do the hydro-upgrading experiments. That is, within a fixed reaction time, hydro-upgrading of the bio-oil was carried out in several stages. After each stage reaction was finished, the reactor was cooled, and the gas in the reactor was replaced with fresh hydrogen, and then the reaction continued until the total reaction time was complete. A bio-oil produced from hydrothermal liquefaction of microalgae mixed with tetralin at a mass ratio of 1:1 was used as the feedstock. The experiments were performed at different temperatures (300–480 °C) and time (1–8 h) with fixed addition of 10 wt% Pt/C and 8 MPa H2. Higher treated bio-oil yield was always achieved if the reaction was performed in several stages. The N-, O-, and S- containing compounds in the gaseous products mainly consisted of C2H4N, C3H7N, C6H7N, NH3, (SCN)2, SO2, and H2O. The removal of these gas products avoided their secondary reactions with the bio-oil and slowed down the catalyst poisoning, and thus breaking through the equilibrium limitations of denitrogenation, desulfurization, and deoxygenation and prolonging the activity of the catalyst.
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•Tetralin is a promising medium for the upgrading of bio-oil.•A new process was used to intensify the N, O, and S removal from algal bio-oil.•The removal of gas products avoided their secondary reactions with the bio-oil.•Increasing H2 replacement frequency reduced the N, O, and S contents of the treated bio-oil.•88% of the O, 92% of the N, and 100% of the S were removed from the algal bio-oil. |
| doi_str_mv | 10.1016/j.fuproc.2021.107034 |
| format | article |
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[Display omitted]
•Tetralin is a promising medium for the upgrading of bio-oil.•A new process was used to intensify the N, O, and S removal from algal bio-oil.•The removal of gas products avoided their secondary reactions with the bio-oil.•Increasing H2 replacement frequency reduced the N, O, and S contents of the treated bio-oil.•88% of the O, 92% of the N, and 100% of the S were removed from the algal bio-oil.</description><identifier>ISSN: 0378-3820</identifier><identifier>EISSN: 1873-7188</identifier><identifier>DOI: 10.1016/j.fuproc.2021.107034</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Ammonia ; bio-oil ; Catalysts ; Denitrogenation ; Deoxygenation ; H2 replacement ; Hydro-upgrading ; Hydrothermal liquefaction ; Liquefaction ; Liquid fuels ; Microalgae ; Nuclear fuels ; Process intensification ; Reaction time ; Treated bio-oil ; Upgrading</subject><ispartof>Fuel processing technology, 2021-12, Vol.224, p.107034, Article 107034</ispartof><rights>2021 Elsevier B.V.</rights><rights>Copyright Elsevier Science Ltd. Dec 15, 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-b358faafb371a22eae231d4f4fb028989318c01685122326f5ee46b22ddb0a013</citedby><cites>FETCH-LOGICAL-c334t-b358faafb371a22eae231d4f4fb028989318c01685122326f5ee46b22ddb0a013</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,27957,27958</link.rule.ids></links><search><creatorcontrib>Chen, Lei</creatorcontrib><creatorcontrib>Wang, Zhi-Cong</creatorcontrib><creatorcontrib>Chen, Dabo</creatorcontrib><creatorcontrib>Yin, Lin-Xin</creatorcontrib><creatorcontrib>Duan, Pei-Gao</creatorcontrib><title>Hydro-upgrading of algal bio-oil in tetralin for the production of high-quality liquid fuel: Process intensification</title><title>Fuel processing technology</title><description>We report a new process to realize the deep removal of N, O, and S from the bio-oil when using a batch reactor to do the hydro-upgrading experiments. That is, within a fixed reaction time, hydro-upgrading of the bio-oil was carried out in several stages. After each stage reaction was finished, the reactor was cooled, and the gas in the reactor was replaced with fresh hydrogen, and then the reaction continued until the total reaction time was complete. A bio-oil produced from hydrothermal liquefaction of microalgae mixed with tetralin at a mass ratio of 1:1 was used as the feedstock. The experiments were performed at different temperatures (300–480 °C) and time (1–8 h) with fixed addition of 10 wt% Pt/C and 8 MPa H2. Higher treated bio-oil yield was always achieved if the reaction was performed in several stages. The N-, O-, and S- containing compounds in the gaseous products mainly consisted of C2H4N, C3H7N, C6H7N, NH3, (SCN)2, SO2, and H2O. The removal of these gas products avoided their secondary reactions with the bio-oil and slowed down the catalyst poisoning, and thus breaking through the equilibrium limitations of denitrogenation, desulfurization, and deoxygenation and prolonging the activity of the catalyst.
[Display omitted]
•Tetralin is a promising medium for the upgrading of bio-oil.•A new process was used to intensify the N, O, and S removal from algal bio-oil.•The removal of gas products avoided their secondary reactions with the bio-oil.•Increasing H2 replacement frequency reduced the N, O, and S contents of the treated bio-oil.•88% of the O, 92% of the N, and 100% of the S were removed from the algal bio-oil.</description><subject>Ammonia</subject><subject>bio-oil</subject><subject>Catalysts</subject><subject>Denitrogenation</subject><subject>Deoxygenation</subject><subject>H2 replacement</subject><subject>Hydro-upgrading</subject><subject>Hydrothermal liquefaction</subject><subject>Liquefaction</subject><subject>Liquid fuels</subject><subject>Microalgae</subject><subject>Nuclear fuels</subject><subject>Process intensification</subject><subject>Reaction time</subject><subject>Treated bio-oil</subject><subject>Upgrading</subject><issn>0378-3820</issn><issn>1873-7188</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWKv_wEPA89Z87EfqQZCiVijoQc8hm0y2KeumTbJC_70p69nTDMP7vjPzIHRLyYISWt_vFnbcB68XjDCaRw3h5RmaUdHwoqFCnKMZ4Y0ouGDkEl3FuCOEVNWymaG0Pprgi3HfBWXc0GFvseo71ePW-cK7HrsBJ0hB9bmxPuC0BZyXmVEn54eTfuu6bXEYsyIdce8OozPYjtA_4I98FMSYMxIM0Vmn1cl0jS6s6iPc_NU5-np5_lyti83769vqaVNozstUtLwSVinb8oYqxkAB49SUtrQtYWIplpwKnf8XFWWMs9pWAGXdMmZMSxShfI7uptx872GEmOTOj2HIKyWrSYYkqmWdVeWk0sHHGMDKfXDfKhwlJfLEV-7kxFee-MqJb7Y9TjbIH_w4CDJqB4MG4wLoJI13_wf8AihghuA</recordid><startdate>20211215</startdate><enddate>20211215</enddate><creator>Chen, Lei</creator><creator>Wang, Zhi-Cong</creator><creator>Chen, Dabo</creator><creator>Yin, Lin-Xin</creator><creator>Duan, Pei-Gao</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20211215</creationdate><title>Hydro-upgrading of algal bio-oil in tetralin for the production of high-quality liquid fuel: Process intensification</title><author>Chen, Lei ; Wang, Zhi-Cong ; Chen, Dabo ; Yin, Lin-Xin ; Duan, Pei-Gao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-b358faafb371a22eae231d4f4fb028989318c01685122326f5ee46b22ddb0a013</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Ammonia</topic><topic>bio-oil</topic><topic>Catalysts</topic><topic>Denitrogenation</topic><topic>Deoxygenation</topic><topic>H2 replacement</topic><topic>Hydro-upgrading</topic><topic>Hydrothermal liquefaction</topic><topic>Liquefaction</topic><topic>Liquid fuels</topic><topic>Microalgae</topic><topic>Nuclear fuels</topic><topic>Process intensification</topic><topic>Reaction time</topic><topic>Treated bio-oil</topic><topic>Upgrading</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Lei</creatorcontrib><creatorcontrib>Wang, Zhi-Cong</creatorcontrib><creatorcontrib>Chen, Dabo</creatorcontrib><creatorcontrib>Yin, Lin-Xin</creatorcontrib><creatorcontrib>Duan, Pei-Gao</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Fuel processing technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Lei</au><au>Wang, Zhi-Cong</au><au>Chen, Dabo</au><au>Yin, Lin-Xin</au><au>Duan, Pei-Gao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hydro-upgrading of algal bio-oil in tetralin for the production of high-quality liquid fuel: Process intensification</atitle><jtitle>Fuel processing technology</jtitle><date>2021-12-15</date><risdate>2021</risdate><volume>224</volume><spage>107034</spage><pages>107034-</pages><artnum>107034</artnum><issn>0378-3820</issn><eissn>1873-7188</eissn><abstract>We report a new process to realize the deep removal of N, O, and S from the bio-oil when using a batch reactor to do the hydro-upgrading experiments. That is, within a fixed reaction time, hydro-upgrading of the bio-oil was carried out in several stages. After each stage reaction was finished, the reactor was cooled, and the gas in the reactor was replaced with fresh hydrogen, and then the reaction continued until the total reaction time was complete. A bio-oil produced from hydrothermal liquefaction of microalgae mixed with tetralin at a mass ratio of 1:1 was used as the feedstock. The experiments were performed at different temperatures (300–480 °C) and time (1–8 h) with fixed addition of 10 wt% Pt/C and 8 MPa H2. Higher treated bio-oil yield was always achieved if the reaction was performed in several stages. The N-, O-, and S- containing compounds in the gaseous products mainly consisted of C2H4N, C3H7N, C6H7N, NH3, (SCN)2, SO2, and H2O. The removal of these gas products avoided their secondary reactions with the bio-oil and slowed down the catalyst poisoning, and thus breaking through the equilibrium limitations of denitrogenation, desulfurization, and deoxygenation and prolonging the activity of the catalyst.
[Display omitted]
•Tetralin is a promising medium for the upgrading of bio-oil.•A new process was used to intensify the N, O, and S removal from algal bio-oil.•The removal of gas products avoided their secondary reactions with the bio-oil.•Increasing H2 replacement frequency reduced the N, O, and S contents of the treated bio-oil.•88% of the O, 92% of the N, and 100% of the S were removed from the algal bio-oil.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.fuproc.2021.107034</doi></addata></record> |
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| ispartof | Fuel processing technology, 2021-12, Vol.224, p.107034, Article 107034 |
| issn | 0378-3820 1873-7188 |
| language | eng |
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| source | Elsevier |
| subjects | Ammonia bio-oil Catalysts Denitrogenation Deoxygenation H2 replacement Hydro-upgrading Hydrothermal liquefaction Liquefaction Liquid fuels Microalgae Nuclear fuels Process intensification Reaction time Treated bio-oil Upgrading |
| title | Hydro-upgrading of algal bio-oil in tetralin for the production of high-quality liquid fuel: Process intensification |
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