Influence of microwave power, metal oxides and metal salts on the pyrolysis of algae
•The energy cost was considered in order to get absolute productivity.•1500W was the optimal pyrolysis power to achieve bio-oil.•There was a descending branch on the temperature curve after mixing CaO.•Microwave absorption effect of three metal oxides was MgO>CaO>CuO.•MgO showed the best effec...
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| Veröffentlicht in: | Bioresource technology 2013-08, Vol.142, p.469-474 |
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| creator | Li, Longjun Ma, Xiaoqian Xu, Qing Hu, Zhifeng |
| description | •The energy cost was considered in order to get absolute productivity.•1500W was the optimal pyrolysis power to achieve bio-oil.•There was a descending branch on the temperature curve after mixing CaO.•Microwave absorption effect of three metal oxides was MgO>CaO>CuO.•MgO showed the best effect when taking power consumption into account.
The work was to investigate the influence of microwave power, metal oxides and metal salts onto the pyrolysis of algae (4.55wt.% moisture). It was found that the heating rate and the final temperature would increase as enhancing the microwave power. When microwave power increased from 750W to 2250W, the yield of solid residue decreased by 22.05%, and gas yield increased 39.45%. After adding 5% (mass basis) CuO and MgO, the yield of solid residue and bio-oil appeared the greatest decreasing ranges of 14.35% and 11.04%, respectively. Electrical energy consumption increased by 1.44% and reduced by 40.76% after CuO and MgO was added, separately. When algae was mixed with 5% (mass basis) MgCl2, ZnCl2 and NaH2PO3, respectively, the yield of solid residue increased by 3.98%, 1.13% and 2.31%, and the bio-oil yield increased by 6.3%, 16.92% and 0.71%, respectively. The effect of microwave absorption was ZnCl2>NaH2PO3>MgCl2. |
| doi_str_mv | 10.1016/j.biortech.2013.05.080 |
| format | Article |
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The work was to investigate the influence of microwave power, metal oxides and metal salts onto the pyrolysis of algae (4.55wt.% moisture). It was found that the heating rate and the final temperature would increase as enhancing the microwave power. When microwave power increased from 750W to 2250W, the yield of solid residue decreased by 22.05%, and gas yield increased 39.45%. After adding 5% (mass basis) CuO and MgO, the yield of solid residue and bio-oil appeared the greatest decreasing ranges of 14.35% and 11.04%, respectively. Electrical energy consumption increased by 1.44% and reduced by 40.76% after CuO and MgO was added, separately. When algae was mixed with 5% (mass basis) MgCl2, ZnCl2 and NaH2PO3, respectively, the yield of solid residue increased by 3.98%, 1.13% and 2.31%, and the bio-oil yield increased by 6.3%, 16.92% and 0.71%, respectively. The effect of microwave absorption was ZnCl2>NaH2PO3>MgCl2.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2013.05.080</identifier><identifier>PMID: 23751487</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>ALGAE ; Biological and medical sciences ; COPPER OXIDE ; Electric power generation ; ELECTRICITY ; Fundamental and applied biological sciences. Psychology ; Hot Temperature ; MAGNESIUM OXIDE ; Metal oxides ; Metal salts ; Metals - metabolism ; Microalgae - metabolism ; Microwave absorption ; Microwave power ; MICROWAVES ; OXIDES ; Oxides - metabolism ; Pyrolysis ; Residues ; SALTS ; Salts - metabolism</subject><ispartof>Bioresource technology, 2013-08, Vol.142, p.469-474</ispartof><rights>2013 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><rights>Copyright © 2013 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c464t-59ad3d136ae6a5088ceca02d84dac3608748a4cd9d268c513ced828a599b96ab3</citedby><cites>FETCH-LOGICAL-c464t-59ad3d136ae6a5088ceca02d84dac3608748a4cd9d268c513ced828a599b96ab3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.biortech.2013.05.080$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27540255$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23751487$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Li, Longjun</creatorcontrib><creatorcontrib>Ma, Xiaoqian</creatorcontrib><creatorcontrib>Xu, Qing</creatorcontrib><creatorcontrib>Hu, Zhifeng</creatorcontrib><title>Influence of microwave power, metal oxides and metal salts on the pyrolysis of algae</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>•The energy cost was considered in order to get absolute productivity.•1500W was the optimal pyrolysis power to achieve bio-oil.•There was a descending branch on the temperature curve after mixing CaO.•Microwave absorption effect of three metal oxides was MgO>CaO>CuO.•MgO showed the best effect when taking power consumption into account.
The work was to investigate the influence of microwave power, metal oxides and metal salts onto the pyrolysis of algae (4.55wt.% moisture). It was found that the heating rate and the final temperature would increase as enhancing the microwave power. When microwave power increased from 750W to 2250W, the yield of solid residue decreased by 22.05%, and gas yield increased 39.45%. After adding 5% (mass basis) CuO and MgO, the yield of solid residue and bio-oil appeared the greatest decreasing ranges of 14.35% and 11.04%, respectively. Electrical energy consumption increased by 1.44% and reduced by 40.76% after CuO and MgO was added, separately. When algae was mixed with 5% (mass basis) MgCl2, ZnCl2 and NaH2PO3, respectively, the yield of solid residue increased by 3.98%, 1.13% and 2.31%, and the bio-oil yield increased by 6.3%, 16.92% and 0.71%, respectively. The effect of microwave absorption was ZnCl2>NaH2PO3>MgCl2.</description><subject>ALGAE</subject><subject>Biological and medical sciences</subject><subject>COPPER OXIDE</subject><subject>Electric power generation</subject><subject>ELECTRICITY</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hot Temperature</subject><subject>MAGNESIUM OXIDE</subject><subject>Metal oxides</subject><subject>Metal salts</subject><subject>Metals - metabolism</subject><subject>Microalgae - metabolism</subject><subject>Microwave absorption</subject><subject>Microwave power</subject><subject>MICROWAVES</subject><subject>OXIDES</subject><subject>Oxides - metabolism</subject><subject>Pyrolysis</subject><subject>Residues</subject><subject>SALTS</subject><subject>Salts - metabolism</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1v1DAQhiMEokvhL1S5IHEgy_jbuYEqPipV4lLO1qw9oV4l8WJn2-6_J9Fu4bjyYSTrmXdG81TVFYM1A6Y_bdebmPJE_n7NgYk1qDVYeFGtmDWi4a3RL6sVtBoaq7i8qN6UsgUAwQx_XV1wYRST1qyqu5ux6_c0eqpTVw_R5_SID1Tv0iPlj_VAE_Z1eoqBSo1jOH0U7KdSp7Ge7mf0kFN_KLEsCdj_RnpbveqwL_TuVC-rX9--3l3_aG5_fr-5_nLbeKnl1KgWgwhMaCSNCqz15BF4sDKgFxqskRalD23g2nrFhKdguUXVtptW40ZcVh-Oubuc_uypTG6IxVPf40hpXxzTknMj9PzOogrAGADFz6OibRVIwZZUfUTns5WSqXO7HAfMB8fALZ7c1j17cosnB8rNnubGq9OM_Wag8K_tWcwMvD8BWDz2XcbRx_KfM0oCV2rmPh85mu_8ECm74uOiM8RMfnIhxXO7_AUKTrNz</recordid><startdate>20130801</startdate><enddate>20130801</enddate><creator>Li, Longjun</creator><creator>Ma, Xiaoqian</creator><creator>Xu, Qing</creator><creator>Hu, Zhifeng</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QO</scope><scope>8FD</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>H98</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>7SR</scope><scope>7SU</scope><scope>7TB</scope><scope>C1K</scope><scope>H8G</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>20130801</creationdate><title>Influence of microwave power, metal oxides and metal salts on the pyrolysis of algae</title><author>Li, Longjun ; Ma, Xiaoqian ; Xu, Qing ; Hu, Zhifeng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c464t-59ad3d136ae6a5088ceca02d84dac3608748a4cd9d268c513ced828a599b96ab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>ALGAE</topic><topic>Biological and medical sciences</topic><topic>COPPER OXIDE</topic><topic>Electric power generation</topic><topic>ELECTRICITY</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hot Temperature</topic><topic>MAGNESIUM OXIDE</topic><topic>Metal oxides</topic><topic>Metal salts</topic><topic>Metals - metabolism</topic><topic>Microalgae - metabolism</topic><topic>Microwave absorption</topic><topic>Microwave power</topic><topic>MICROWAVES</topic><topic>OXIDES</topic><topic>Oxides - metabolism</topic><topic>Pyrolysis</topic><topic>Residues</topic><topic>SALTS</topic><topic>Salts - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Longjun</creatorcontrib><creatorcontrib>Ma, Xiaoqian</creatorcontrib><creatorcontrib>Xu, Qing</creatorcontrib><creatorcontrib>Hu, Zhifeng</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Aquaculture Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Longjun</au><au>Ma, Xiaoqian</au><au>Xu, Qing</au><au>Hu, Zhifeng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Influence of microwave power, metal oxides and metal salts on the pyrolysis of algae</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2013-08-01</date><risdate>2013</risdate><volume>142</volume><spage>469</spage><epage>474</epage><pages>469-474</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>•The energy cost was considered in order to get absolute productivity.•1500W was the optimal pyrolysis power to achieve bio-oil.•There was a descending branch on the temperature curve after mixing CaO.•Microwave absorption effect of three metal oxides was MgO>CaO>CuO.•MgO showed the best effect when taking power consumption into account.
The work was to investigate the influence of microwave power, metal oxides and metal salts onto the pyrolysis of algae (4.55wt.% moisture). It was found that the heating rate and the final temperature would increase as enhancing the microwave power. When microwave power increased from 750W to 2250W, the yield of solid residue decreased by 22.05%, and gas yield increased 39.45%. After adding 5% (mass basis) CuO and MgO, the yield of solid residue and bio-oil appeared the greatest decreasing ranges of 14.35% and 11.04%, respectively. Electrical energy consumption increased by 1.44% and reduced by 40.76% after CuO and MgO was added, separately. When algae was mixed with 5% (mass basis) MgCl2, ZnCl2 and NaH2PO3, respectively, the yield of solid residue increased by 3.98%, 1.13% and 2.31%, and the bio-oil yield increased by 6.3%, 16.92% and 0.71%, respectively. The effect of microwave absorption was ZnCl2>NaH2PO3>MgCl2.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>23751487</pmid><doi>10.1016/j.biortech.2013.05.080</doi><tpages>6</tpages></addata></record> |
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| subjects | ALGAE Biological and medical sciences COPPER OXIDE Electric power generation ELECTRICITY Fundamental and applied biological sciences. Psychology Hot Temperature MAGNESIUM OXIDE Metal oxides Metal salts Metals - metabolism Microalgae - metabolism Microwave absorption Microwave power MICROWAVES OXIDES Oxides - metabolism Pyrolysis Residues SALTS Salts - metabolism |
| title | Influence of microwave power, metal oxides and metal salts on the pyrolysis of algae |
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