Microwave pyrolysis of olive pomace for bio-oil and bio-char production
[Display omitted] •Microwave pyrolysis of olive pomace was investigated.•Optimal processing conditions were determined to be 200 W for 180 s.•Energy requirement of 3.6 kJ/g pyrolysed 80% of OP and yielded 30% bio-oil.•Microwave power influenced textural and adsorption properties of bio-chars.•Bio-oi...
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Veröffentlicht in: | Chemical engineering journal (Lausanne, Switzerland : 1996) Switzerland : 1996), 2020-05, Vol.387, p.123404, Article 123404 |
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container_title | Chemical engineering journal (Lausanne, Switzerland : 1996) |
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creator | Kostas, Emily T. Durán-Jiménez, Gabriela Shepherd, Benjamin J. Meredith, Will Stevens, Lee A. Williams, Orla S.A. Lye, Gary J. Robinson, John P. |
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•Microwave pyrolysis of olive pomace was investigated.•Optimal processing conditions were determined to be 200 W for 180 s.•Energy requirement of 3.6 kJ/g pyrolysed 80% of OP and yielded 30% bio-oil.•Microwave power influenced textural and adsorption properties of bio-chars.•Bio-oils contained a high abundance of acetic acid.
Olive pomace is a widely available agro-industrial waste residue in Europe that has the potential to contribute towards a circular, low carbon bio-economy. This study demonstrated, for the first time, the ability to successfully pyrolyse olive pomace with microwaves for the production of bio-char and bio-oil. It was found that the energy requirement needed to pyrolyse up to 80% of the olive pomace was as low as 3.6 kJ/g and bio-oil yields up to 30% were produced. Microwave power did not influence the overall yields or the chemical composition of the obtained bio-oils, but did alter the textural properties of the generated bio-chars and their ability to remove methylene blue dye. Optimum processing conditions were found to be within the 3.6 kJ/g energy requirement with a microwave power of 200 W and processing time of 180 sec. These conditions produced a bio-oil fraction containing mainly acetic acid (71.9%) and a bio-char with a surface area of 392.3 m2/g, micropore volume of 0.15 cm3/g and a methylene blue removal efficiency of 40 qMB mg/g. The results acquired from this study reveal the superiority of microwave heating in a pyrolysis system and highlight a novel and prospective route for added value recovery from natural waste resources like olive pomace. |
doi_str_mv | 10.1016/j.cej.2019.123404 |
format | Article |
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•Microwave pyrolysis of olive pomace was investigated.•Optimal processing conditions were determined to be 200 W for 180 s.•Energy requirement of 3.6 kJ/g pyrolysed 80% of OP and yielded 30% bio-oil.•Microwave power influenced textural and adsorption properties of bio-chars.•Bio-oils contained a high abundance of acetic acid.
Olive pomace is a widely available agro-industrial waste residue in Europe that has the potential to contribute towards a circular, low carbon bio-economy. This study demonstrated, for the first time, the ability to successfully pyrolyse olive pomace with microwaves for the production of bio-char and bio-oil. It was found that the energy requirement needed to pyrolyse up to 80% of the olive pomace was as low as 3.6 kJ/g and bio-oil yields up to 30% were produced. Microwave power did not influence the overall yields or the chemical composition of the obtained bio-oils, but did alter the textural properties of the generated bio-chars and their ability to remove methylene blue dye. Optimum processing conditions were found to be within the 3.6 kJ/g energy requirement with a microwave power of 200 W and processing time of 180 sec. These conditions produced a bio-oil fraction containing mainly acetic acid (71.9%) and a bio-char with a surface area of 392.3 m2/g, micropore volume of 0.15 cm3/g and a methylene blue removal efficiency of 40 qMB mg/g. The results acquired from this study reveal the superiority of microwave heating in a pyrolysis system and highlight a novel and prospective route for added value recovery from natural waste resources like olive pomace.</description><identifier>ISSN: 1385-8947</identifier><identifier>EISSN: 1873-3212</identifier><identifier>DOI: 10.1016/j.cej.2019.123404</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Bio-char ; Bio-oil ; Bioenergy ; Microwave pyrolysis ; Olive pomace</subject><ispartof>Chemical engineering journal (Lausanne, Switzerland : 1996), 2020-05, Vol.387, p.123404, Article 123404</ispartof><rights>2019 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-cf979b20b70bb6a6b0d1e26a62af38fe7a986d3906e30fdd3f9b97694d45edd03</citedby><cites>FETCH-LOGICAL-c340t-cf979b20b70bb6a6b0d1e26a62af38fe7a986d3906e30fdd3f9b97694d45edd03</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.cej.2019.123404$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Kostas, Emily T.</creatorcontrib><creatorcontrib>Durán-Jiménez, Gabriela</creatorcontrib><creatorcontrib>Shepherd, Benjamin J.</creatorcontrib><creatorcontrib>Meredith, Will</creatorcontrib><creatorcontrib>Stevens, Lee A.</creatorcontrib><creatorcontrib>Williams, Orla S.A.</creatorcontrib><creatorcontrib>Lye, Gary J.</creatorcontrib><creatorcontrib>Robinson, John P.</creatorcontrib><title>Microwave pyrolysis of olive pomace for bio-oil and bio-char production</title><title>Chemical engineering journal (Lausanne, Switzerland : 1996)</title><description>[Display omitted]
•Microwave pyrolysis of olive pomace was investigated.•Optimal processing conditions were determined to be 200 W for 180 s.•Energy requirement of 3.6 kJ/g pyrolysed 80% of OP and yielded 30% bio-oil.•Microwave power influenced textural and adsorption properties of bio-chars.•Bio-oils contained a high abundance of acetic acid.
Olive pomace is a widely available agro-industrial waste residue in Europe that has the potential to contribute towards a circular, low carbon bio-economy. This study demonstrated, for the first time, the ability to successfully pyrolyse olive pomace with microwaves for the production of bio-char and bio-oil. It was found that the energy requirement needed to pyrolyse up to 80% of the olive pomace was as low as 3.6 kJ/g and bio-oil yields up to 30% were produced. Microwave power did not influence the overall yields or the chemical composition of the obtained bio-oils, but did alter the textural properties of the generated bio-chars and their ability to remove methylene blue dye. Optimum processing conditions were found to be within the 3.6 kJ/g energy requirement with a microwave power of 200 W and processing time of 180 sec. These conditions produced a bio-oil fraction containing mainly acetic acid (71.9%) and a bio-char with a surface area of 392.3 m2/g, micropore volume of 0.15 cm3/g and a methylene blue removal efficiency of 40 qMB mg/g. The results acquired from this study reveal the superiority of microwave heating in a pyrolysis system and highlight a novel and prospective route for added value recovery from natural waste resources like olive pomace.</description><subject>Bio-char</subject><subject>Bio-oil</subject><subject>Bioenergy</subject><subject>Microwave pyrolysis</subject><subject>Olive pomace</subject><issn>1385-8947</issn><issn>1873-3212</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kMFKAzEURYMoWKsf4C4_MONLMs1McCVFq1Bxo-uQSV4ww7QpyVjp35ta167e5cG5XA4htwxqBkzeDbXFoebAVM24aKA5IzPWtaISnPHzkkW3qDrVtJfkKucBAKRiakZWr8Gm-G32SHeHFMdDDplGT-MYjq-4MRapj4n2IVYxjNRs3W-2nybRXYruy04hbq_JhTdjxpu_OycfT4_vy-dq_bZ6WT6sK1tGTZX1qlU9h76FvpdG9uAY8hK48aLz2BrVSScUSBTgnRNe9aqVqnHNAp0DMSfs1FtW55zQ610KG5MOmoE-mtCDLib00YQ-mSjM_YnBMmwfMOlsA24tupDQTtrF8A_9A6ypZwY</recordid><startdate>20200501</startdate><enddate>20200501</enddate><creator>Kostas, Emily T.</creator><creator>Durán-Jiménez, Gabriela</creator><creator>Shepherd, Benjamin J.</creator><creator>Meredith, Will</creator><creator>Stevens, Lee A.</creator><creator>Williams, Orla S.A.</creator><creator>Lye, Gary J.</creator><creator>Robinson, John P.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20200501</creationdate><title>Microwave pyrolysis of olive pomace for bio-oil and bio-char production</title><author>Kostas, Emily T. ; Durán-Jiménez, Gabriela ; Shepherd, Benjamin J. ; Meredith, Will ; Stevens, Lee A. ; Williams, Orla S.A. ; Lye, Gary J. ; Robinson, John P.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-cf979b20b70bb6a6b0d1e26a62af38fe7a986d3906e30fdd3f9b97694d45edd03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Bio-char</topic><topic>Bio-oil</topic><topic>Bioenergy</topic><topic>Microwave pyrolysis</topic><topic>Olive pomace</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kostas, Emily T.</creatorcontrib><creatorcontrib>Durán-Jiménez, Gabriela</creatorcontrib><creatorcontrib>Shepherd, Benjamin J.</creatorcontrib><creatorcontrib>Meredith, Will</creatorcontrib><creatorcontrib>Stevens, Lee A.</creatorcontrib><creatorcontrib>Williams, Orla S.A.</creatorcontrib><creatorcontrib>Lye, Gary J.</creatorcontrib><creatorcontrib>Robinson, John P.</creatorcontrib><collection>CrossRef</collection><jtitle>Chemical engineering journal (Lausanne, Switzerland : 1996)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kostas, Emily T.</au><au>Durán-Jiménez, Gabriela</au><au>Shepherd, Benjamin J.</au><au>Meredith, Will</au><au>Stevens, Lee A.</au><au>Williams, Orla S.A.</au><au>Lye, Gary J.</au><au>Robinson, John P.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microwave pyrolysis of olive pomace for bio-oil and bio-char production</atitle><jtitle>Chemical engineering journal (Lausanne, Switzerland : 1996)</jtitle><date>2020-05-01</date><risdate>2020</risdate><volume>387</volume><spage>123404</spage><pages>123404-</pages><artnum>123404</artnum><issn>1385-8947</issn><eissn>1873-3212</eissn><abstract>[Display omitted]
•Microwave pyrolysis of olive pomace was investigated.•Optimal processing conditions were determined to be 200 W for 180 s.•Energy requirement of 3.6 kJ/g pyrolysed 80% of OP and yielded 30% bio-oil.•Microwave power influenced textural and adsorption properties of bio-chars.•Bio-oils contained a high abundance of acetic acid.
Olive pomace is a widely available agro-industrial waste residue in Europe that has the potential to contribute towards a circular, low carbon bio-economy. This study demonstrated, for the first time, the ability to successfully pyrolyse olive pomace with microwaves for the production of bio-char and bio-oil. It was found that the energy requirement needed to pyrolyse up to 80% of the olive pomace was as low as 3.6 kJ/g and bio-oil yields up to 30% were produced. Microwave power did not influence the overall yields or the chemical composition of the obtained bio-oils, but did alter the textural properties of the generated bio-chars and their ability to remove methylene blue dye. Optimum processing conditions were found to be within the 3.6 kJ/g energy requirement with a microwave power of 200 W and processing time of 180 sec. These conditions produced a bio-oil fraction containing mainly acetic acid (71.9%) and a bio-char with a surface area of 392.3 m2/g, micropore volume of 0.15 cm3/g and a methylene blue removal efficiency of 40 qMB mg/g. The results acquired from this study reveal the superiority of microwave heating in a pyrolysis system and highlight a novel and prospective route for added value recovery from natural waste resources like olive pomace.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.cej.2019.123404</doi><oa>free_for_read</oa></addata></record> |
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subjects | Bio-char Bio-oil Bioenergy Microwave pyrolysis Olive pomace |
title | Microwave pyrolysis of olive pomace for bio-oil and bio-char production |
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