Semi-pilot scale sewage sludge pyrolysis and characterization of obtained fractions by thermal analysis
Sewage sludge pyrolysis is an alternative to incineration and presents as advantages the generation of three fractions: gas (non-condensable volatiles), liquid (condensable volatiles) and solid (carbonaceous coke). In this context, the purpose of the present study is to quantify and to characterize...
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| Veröffentlicht in: | Journal of thermal analysis and calorimetry 2016-02, Vol.123 (2), p.981-991 |
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| creator | Viana, Marcelo Mendes Rangel, Brites Fontoura Júnior, Alex Neves Melchert, Maura Berger Maltez Dweck, Jo |
| description | Sewage sludge pyrolysis is an alternative to incineration and presents as advantages the generation of three fractions: gas (non-condensable volatiles), liquid (condensable volatiles) and solid (carbonaceous coke). In this context, the purpose of the present study is to quantify and to characterize by thermal analysis the fractions produced by sewage sludge pyrolysis in semi-pilot scale. The semi-pilot pyrolysis was performed in two steps, the first dynamic up to 500 °C, followed by an isothermal step at this temperature for 3 h. The solid and liquid fractions produced were analyzed by TG/DTG/DTA, and the volatiles were analyzed by thermogravimetry coupled to mass spectrometry (TG-MS). The influence of different pyrolysis conditions (dynamic and isothermal) was verified by differential thermal analysis (DTA) characterization and by the higher heating value (HHV) of the liquid fractions produced by sludge pyrolysis. In total, 60.1, 28.6 and 11.3 % of the sludge initial mass were obtained, respectively, as solid, liquid and gas pyrolytic fractions. The liquid fraction was composed of aqueous and oily phases. By TG-MS, the volatile compounds detected in pyrolysis were as follows: H
2
O, C
3
H
6
, CO
2
, NO
2
, C
4
H
8
, SO
2
, C
6
H
6
and C
7
H
8
. The aliquots obtained at higher time periods by isothermal pyrolysis at 500 °C showed higher DTA exothermic peaks and higher HHV values as well. Sewage sludge isothermal pyrolysis at 500 °C produces a liquid fraction with HHV of 36.2 MJ kg
−1
, indicating that it can be used as renewable energy source. A good correlation exists between total DTA peak area of the oily fractions obtained from sewage sludge pyrolysis and respective HHV values, indicating that it can be used to estimate these values from corresponding DTA curves. |
| doi_str_mv | 10.1007/s10973-015-4821-8 |
| format | Article |
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2
O, C
3
H
6
, CO
2
, NO
2
, C
4
H
8
, SO
2
, C
6
H
6
and C
7
H
8
. The aliquots obtained at higher time periods by isothermal pyrolysis at 500 °C showed higher DTA exothermic peaks and higher HHV values as well. Sewage sludge isothermal pyrolysis at 500 °C produces a liquid fraction with HHV of 36.2 MJ kg
−1
, indicating that it can be used as renewable energy source. A good correlation exists between total DTA peak area of the oily fractions obtained from sewage sludge pyrolysis and respective HHV values, indicating that it can be used to estimate these values from corresponding DTA curves.</description><identifier>ISSN: 1388-6150</identifier><identifier>EISSN: 1588-2926</identifier><identifier>EISSN: 1572-8943</identifier><identifier>DOI: 10.1007/s10973-015-4821-8</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Analytical Chemistry ; Chemical properties ; Chemistry ; Chemistry and Materials Science ; Differential thermal analysis ; Dynamics ; Inorganic Chemistry ; Liquids ; Measurement Science and Instrumentation ; Natural gas ; Physical Chemistry ; Polymer Sciences ; Pyrolysis ; Sewage sludge ; Sludge ; Thermal analysis</subject><ispartof>Journal of thermal analysis and calorimetry, 2016-02, Vol.123 (2), p.981-991</ispartof><rights>Akadémiai Kiadó, Budapest, Hungary 2015</rights><rights>COPYRIGHT 2016 Springer</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c431t-a4e11139705e1b0d3d51c0a8be09462f337d31a4c579269790dbad86f3f10cb33</citedby><cites>FETCH-LOGICAL-c431t-a4e11139705e1b0d3d51c0a8be09462f337d31a4c579269790dbad86f3f10cb33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10973-015-4821-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10973-015-4821-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids></links><search><creatorcontrib>Viana, Marcelo Mendes</creatorcontrib><creatorcontrib>Rangel, Brites Fontoura</creatorcontrib><creatorcontrib>Júnior, Alex Neves</creatorcontrib><creatorcontrib>Melchert, Maura Berger Maltez</creatorcontrib><creatorcontrib>Dweck, Jo</creatorcontrib><title>Semi-pilot scale sewage sludge pyrolysis and characterization of obtained fractions by thermal analysis</title><title>Journal of thermal analysis and calorimetry</title><addtitle>J Therm Anal Calorim</addtitle><description>Sewage sludge pyrolysis is an alternative to incineration and presents as advantages the generation of three fractions: gas (non-condensable volatiles), liquid (condensable volatiles) and solid (carbonaceous coke). In this context, the purpose of the present study is to quantify and to characterize by thermal analysis the fractions produced by sewage sludge pyrolysis in semi-pilot scale. The semi-pilot pyrolysis was performed in two steps, the first dynamic up to 500 °C, followed by an isothermal step at this temperature for 3 h. The solid and liquid fractions produced were analyzed by TG/DTG/DTA, and the volatiles were analyzed by thermogravimetry coupled to mass spectrometry (TG-MS). The influence of different pyrolysis conditions (dynamic and isothermal) was verified by differential thermal analysis (DTA) characterization and by the higher heating value (HHV) of the liquid fractions produced by sludge pyrolysis. In total, 60.1, 28.6 and 11.3 % of the sludge initial mass were obtained, respectively, as solid, liquid and gas pyrolytic fractions. The liquid fraction was composed of aqueous and oily phases. By TG-MS, the volatile compounds detected in pyrolysis were as follows: H
2
O, C
3
H
6
, CO
2
, NO
2
, C
4
H
8
, SO
2
, C
6
H
6
and C
7
H
8
. The aliquots obtained at higher time periods by isothermal pyrolysis at 500 °C showed higher DTA exothermic peaks and higher HHV values as well. Sewage sludge isothermal pyrolysis at 500 °C produces a liquid fraction with HHV of 36.2 MJ kg
−1
, indicating that it can be used as renewable energy source. A good correlation exists between total DTA peak area of the oily fractions obtained from sewage sludge pyrolysis and respective HHV values, indicating that it can be used to estimate these values from corresponding DTA curves.</description><subject>Analytical Chemistry</subject><subject>Chemical properties</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Differential thermal analysis</subject><subject>Dynamics</subject><subject>Inorganic Chemistry</subject><subject>Liquids</subject><subject>Measurement Science and Instrumentation</subject><subject>Natural gas</subject><subject>Physical Chemistry</subject><subject>Polymer Sciences</subject><subject>Pyrolysis</subject><subject>Sewage sludge</subject><subject>Sludge</subject><subject>Thermal analysis</subject><issn>1388-6150</issn><issn>1588-2926</issn><issn>1572-8943</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kUtv1TAQhSNEJUrpD-jOS1iknYnzsJdVBaVSpUqUri3Hj9RVbnyxHcHl1zOXsOkGeTGj8flGOnOq6gLhEgGGq4wgB14DdnUrGqzFm-oUOyHqRjb9W-o59T128K56n_MLAEgJeFpNj24X6n2YY2HZ6Nmx7H7qicq8Wir7Q4rzIYfM9GKZedZJm-JS-K1LiAuLnsWx6LA4y_zxi4aZjQdWnl3a6Zko_Rf_UJ14PWd3_q-eVU9fPn-_-VrfP9ze3Vzf16blWGrdOkTkcoDO4QiW2w4NaDE6kG3feM4Hy1G3phvIlxwk2FFb0XvuEczI-Vn1cdu7T_HH6nJRu5CNm2e9uLhmhQIE9FKKjqSXm3Qi2yosPhZyQM_SSUxcnA80v27bRkjeNkjAp1cAaYr7VSa95qzuHr-91uKmNSnmnJxX-xR2Oh0UgjomprbEFCWmjokpQUyzMZm0y-SSeolrogPm_0B_APitmQM</recordid><startdate>20160201</startdate><enddate>20160201</enddate><creator>Viana, Marcelo Mendes</creator><creator>Rangel, Brites Fontoura</creator><creator>Júnior, Alex Neves</creator><creator>Melchert, Maura Berger Maltez</creator><creator>Dweck, Jo</creator><general>Springer Netherlands</general><general>Springer</general><scope>AAYXX</scope><scope>CITATION</scope><scope>ISR</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20160201</creationdate><title>Semi-pilot scale sewage sludge pyrolysis and characterization of obtained fractions by thermal analysis</title><author>Viana, Marcelo Mendes ; Rangel, Brites Fontoura ; Júnior, Alex Neves ; Melchert, Maura Berger Maltez ; Dweck, Jo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c431t-a4e11139705e1b0d3d51c0a8be09462f337d31a4c579269790dbad86f3f10cb33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Analytical Chemistry</topic><topic>Chemical properties</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Differential thermal analysis</topic><topic>Dynamics</topic><topic>Inorganic Chemistry</topic><topic>Liquids</topic><topic>Measurement Science and Instrumentation</topic><topic>Natural gas</topic><topic>Physical Chemistry</topic><topic>Polymer Sciences</topic><topic>Pyrolysis</topic><topic>Sewage sludge</topic><topic>Sludge</topic><topic>Thermal analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Viana, Marcelo Mendes</creatorcontrib><creatorcontrib>Rangel, Brites Fontoura</creatorcontrib><creatorcontrib>Júnior, Alex Neves</creatorcontrib><creatorcontrib>Melchert, Maura Berger Maltez</creatorcontrib><creatorcontrib>Dweck, Jo</creatorcontrib><collection>CrossRef</collection><collection>Gale In Context: Science</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of thermal analysis and calorimetry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Viana, Marcelo Mendes</au><au>Rangel, Brites Fontoura</au><au>Júnior, Alex Neves</au><au>Melchert, Maura Berger Maltez</au><au>Dweck, Jo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Semi-pilot scale sewage sludge pyrolysis and characterization of obtained fractions by thermal analysis</atitle><jtitle>Journal of thermal analysis and calorimetry</jtitle><stitle>J Therm Anal Calorim</stitle><date>2016-02-01</date><risdate>2016</risdate><volume>123</volume><issue>2</issue><spage>981</spage><epage>991</epage><pages>981-991</pages><issn>1388-6150</issn><eissn>1588-2926</eissn><eissn>1572-8943</eissn><abstract>Sewage sludge pyrolysis is an alternative to incineration and presents as advantages the generation of three fractions: gas (non-condensable volatiles), liquid (condensable volatiles) and solid (carbonaceous coke). In this context, the purpose of the present study is to quantify and to characterize by thermal analysis the fractions produced by sewage sludge pyrolysis in semi-pilot scale. The semi-pilot pyrolysis was performed in two steps, the first dynamic up to 500 °C, followed by an isothermal step at this temperature for 3 h. The solid and liquid fractions produced were analyzed by TG/DTG/DTA, and the volatiles were analyzed by thermogravimetry coupled to mass spectrometry (TG-MS). The influence of different pyrolysis conditions (dynamic and isothermal) was verified by differential thermal analysis (DTA) characterization and by the higher heating value (HHV) of the liquid fractions produced by sludge pyrolysis. In total, 60.1, 28.6 and 11.3 % of the sludge initial mass were obtained, respectively, as solid, liquid and gas pyrolytic fractions. The liquid fraction was composed of aqueous and oily phases. By TG-MS, the volatile compounds detected in pyrolysis were as follows: H
2
O, C
3
H
6
, CO
2
, NO
2
, C
4
H
8
, SO
2
, C
6
H
6
and C
7
H
8
. The aliquots obtained at higher time periods by isothermal pyrolysis at 500 °C showed higher DTA exothermic peaks and higher HHV values as well. Sewage sludge isothermal pyrolysis at 500 °C produces a liquid fraction with HHV of 36.2 MJ kg
−1
, indicating that it can be used as renewable energy source. A good correlation exists between total DTA peak area of the oily fractions obtained from sewage sludge pyrolysis and respective HHV values, indicating that it can be used to estimate these values from corresponding DTA curves.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10973-015-4821-8</doi><tpages>11</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1388-6150 |
| ispartof | Journal of thermal analysis and calorimetry, 2016-02, Vol.123 (2), p.981-991 |
| issn | 1388-6150 1588-2926 1572-8943 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1808069985 |
| source | Springer Nature - Complete Springer Journals |
| subjects | Analytical Chemistry Chemical properties Chemistry Chemistry and Materials Science Differential thermal analysis Dynamics Inorganic Chemistry Liquids Measurement Science and Instrumentation Natural gas Physical Chemistry Polymer Sciences Pyrolysis Sewage sludge Sludge Thermal analysis |
| title | Semi-pilot scale sewage sludge pyrolysis and characterization of obtained fractions by thermal analysis |
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