Evaluation of single and two stage anaerobic digestion of landfill leachate: Effect of pH and initial organic loading rate on volatile fatty acid (VFA) and biogas production
Single and Two Stage Anaerobic Digestion of landfill leachate. [Display omitted] •Assessment of Single and two stage AD of leachate with varying pH and IOL.•Highest VFA yield was obtained at IOL of 48 g/L at acidic (5.5) & alkaline (11) pH.•Acetic acid was dominant at acidic pH whereas it was bu...
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| Veröffentlicht in: | Bioresource technology 2018-03, Vol.251, p.364-373 |
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| creator | Begum, Sameena Anupoju, Gangagni Rao Sridhar, S. Bhargava, Suresh K. Jegatheesan, Veeriah Eshtiaghi, Nicky |
| description | Single and Two Stage Anaerobic Digestion of landfill leachate.
[Display omitted]
•Assessment of Single and two stage AD of leachate with varying pH and IOL.•Highest VFA yield was obtained at IOL of 48 g/L at acidic (5.5) & alkaline (11) pH.•Acetic acid was dominant at acidic pH whereas it was butyric acid at alkaline pH.•IOL of 48 g/L and 6 g/L yielded highest methane in single & two stage respectively.•Overall increase of 21% COD removal efficiency can be achieved in two stage AD.
This work aims to evaluate the impact of pH and initial organic load (IOL) in terms of Chemical Oxygen Demand (COD) of landfill leachate for the production of value added products during single and two stage anaerobic digestion (AD). It was observed that at an optimal IOL of 48 g/L, acetic acid was dominant at pH 5.5 whereas it was butyric acid at pH of 5.5–6.0 and 10–11. The yield of Volatile Fatty Acids (VFA) was dependent on IOL and it was in the range of 0.26 to 0.36 g VFA/(g COD removed). Methane was also harvested during single and two stage AD and found that it was varying in the range of 0.21–0.34 L CH4/(g COD removed) and 0.2–0.32 L CH4/(g COD removed) respectively. An overall increase of 21% COD removal was noticed in two stage AD in comparison to single stage. |
| doi_str_mv | 10.1016/j.biortech.2017.12.069 |
| format | Article |
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[Display omitted]
•Assessment of Single and two stage AD of leachate with varying pH and IOL.•Highest VFA yield was obtained at IOL of 48 g/L at acidic (5.5) & alkaline (11) pH.•Acetic acid was dominant at acidic pH whereas it was butyric acid at alkaline pH.•IOL of 48 g/L and 6 g/L yielded highest methane in single & two stage respectively.•Overall increase of 21% COD removal efficiency can be achieved in two stage AD.
This work aims to evaluate the impact of pH and initial organic load (IOL) in terms of Chemical Oxygen Demand (COD) of landfill leachate for the production of value added products during single and two stage anaerobic digestion (AD). It was observed that at an optimal IOL of 48 g/L, acetic acid was dominant at pH 5.5 whereas it was butyric acid at pH of 5.5–6.0 and 10–11. The yield of Volatile Fatty Acids (VFA) was dependent on IOL and it was in the range of 0.26 to 0.36 g VFA/(g COD removed). Methane was also harvested during single and two stage AD and found that it was varying in the range of 0.21–0.34 L CH4/(g COD removed) and 0.2–0.32 L CH4/(g COD removed) respectively. An overall increase of 21% COD removal was noticed in two stage AD in comparison to single stage.</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2017.12.069</identifier><identifier>PMID: 29294458</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Anaerobic digestion ; Anaerobiosis ; Biofuels ; Bioreactors ; Fatty Acids, Volatile ; Leachate ; Methane ; Organic loading ; Volatile fatty acids ; Water Pollutants, Chemical</subject><ispartof>Bioresource technology, 2018-03, Vol.251, p.364-373</ispartof><rights>2017 Elsevier Ltd</rights><rights>Copyright © 2017 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c405t-5a406c1b8624b843b42650e28ff002c88120dcd6fabef226c5657e538ef567923</citedby><cites>FETCH-LOGICAL-c405t-5a406c1b8624b843b42650e28ff002c88120dcd6fabef226c5657e538ef567923</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.2017.12.069$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>315,781,785,3551,27929,27930,46000</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29294458$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Begum, Sameena</creatorcontrib><creatorcontrib>Anupoju, Gangagni Rao</creatorcontrib><creatorcontrib>Sridhar, S.</creatorcontrib><creatorcontrib>Bhargava, Suresh K.</creatorcontrib><creatorcontrib>Jegatheesan, Veeriah</creatorcontrib><creatorcontrib>Eshtiaghi, Nicky</creatorcontrib><title>Evaluation of single and two stage anaerobic digestion of landfill leachate: Effect of pH and initial organic loading rate on volatile fatty acid (VFA) and biogas production</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>Single and Two Stage Anaerobic Digestion of landfill leachate.
[Display omitted]
•Assessment of Single and two stage AD of leachate with varying pH and IOL.•Highest VFA yield was obtained at IOL of 48 g/L at acidic (5.5) & alkaline (11) pH.•Acetic acid was dominant at acidic pH whereas it was butyric acid at alkaline pH.•IOL of 48 g/L and 6 g/L yielded highest methane in single & two stage respectively.•Overall increase of 21% COD removal efficiency can be achieved in two stage AD.
This work aims to evaluate the impact of pH and initial organic load (IOL) in terms of Chemical Oxygen Demand (COD) of landfill leachate for the production of value added products during single and two stage anaerobic digestion (AD). It was observed that at an optimal IOL of 48 g/L, acetic acid was dominant at pH 5.5 whereas it was butyric acid at pH of 5.5–6.0 and 10–11. The yield of Volatile Fatty Acids (VFA) was dependent on IOL and it was in the range of 0.26 to 0.36 g VFA/(g COD removed). Methane was also harvested during single and two stage AD and found that it was varying in the range of 0.21–0.34 L CH4/(g COD removed) and 0.2–0.32 L CH4/(g COD removed) respectively. An overall increase of 21% COD removal was noticed in two stage AD in comparison to single stage.</description><subject>Anaerobic digestion</subject><subject>Anaerobiosis</subject><subject>Biofuels</subject><subject>Bioreactors</subject><subject>Fatty Acids, Volatile</subject><subject>Leachate</subject><subject>Methane</subject><subject>Organic loading</subject><subject>Volatile fatty acids</subject><subject>Water Pollutants, Chemical</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkcFu3CAYhFHVqtmkfYWIY3qwC9jGuKdG0SapFKmXtleE4cdhxZotsBvlofqOxdlsrz0hxMx8GgahS0pqSij_vKlHF2IG_VgzQvuasprw4Q1aUdE3FRt6_hatyMBJJTrWnqHzlDaEkIb27D06YwMb2rYTK_RnfVB-r7ILMw4WJzdPHrCaDc5PAaespuWmIIbRaWzcBOmk9UVlnffYg9KPKsMXvLYWdF4ed_cvIW522SmPQ5zUXAJ8UKYgcCxyXGIOwRd2IVqV8zNW2hl89ev2-tOLu1ScVMK7GMxeL9gP6J1VPsHH1_MC_bxd_7i5rx6-3327uX6odEu6XHWqJVzTUXDWjqJtxpbxjgAT1hLCtBCUEaMNt2oEyxjXHe966BoBtuP9wJoLdHXMLejf-1JZbl3S4EtlCPsk6SBKZDP0tEj5UapjSCmClbvotio-S0rkMpXcyNNUcplKUibLVMV4-crYj1sw_2ynbYrg61EApenBQZRJO5g1GBfLL0sT3P8YfwHtzKp2</recordid><startdate>20180301</startdate><enddate>20180301</enddate><creator>Begum, Sameena</creator><creator>Anupoju, Gangagni Rao</creator><creator>Sridhar, S.</creator><creator>Bhargava, Suresh K.</creator><creator>Jegatheesan, Veeriah</creator><creator>Eshtiaghi, Nicky</creator><general>Elsevier Ltd</general><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></search><sort><creationdate>20180301</creationdate><title>Evaluation of single and two stage anaerobic digestion of landfill leachate: Effect of pH and initial organic loading rate on volatile fatty acid (VFA) and biogas production</title><author>Begum, Sameena ; Anupoju, Gangagni Rao ; Sridhar, S. ; Bhargava, Suresh K. ; Jegatheesan, Veeriah ; Eshtiaghi, Nicky</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c405t-5a406c1b8624b843b42650e28ff002c88120dcd6fabef226c5657e538ef567923</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Anaerobic digestion</topic><topic>Anaerobiosis</topic><topic>Biofuels</topic><topic>Bioreactors</topic><topic>Fatty Acids, Volatile</topic><topic>Leachate</topic><topic>Methane</topic><topic>Organic loading</topic><topic>Volatile fatty acids</topic><topic>Water Pollutants, Chemical</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Begum, Sameena</creatorcontrib><creatorcontrib>Anupoju, Gangagni Rao</creatorcontrib><creatorcontrib>Sridhar, S.</creatorcontrib><creatorcontrib>Bhargava, Suresh K.</creatorcontrib><creatorcontrib>Jegatheesan, Veeriah</creatorcontrib><creatorcontrib>Eshtiaghi, Nicky</creatorcontrib><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><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Begum, Sameena</au><au>Anupoju, Gangagni Rao</au><au>Sridhar, S.</au><au>Bhargava, Suresh K.</au><au>Jegatheesan, Veeriah</au><au>Eshtiaghi, Nicky</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of single and two stage anaerobic digestion of landfill leachate: Effect of pH and initial organic loading rate on volatile fatty acid (VFA) and biogas production</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2018-03-01</date><risdate>2018</risdate><volume>251</volume><spage>364</spage><epage>373</epage><pages>364-373</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>Single and Two Stage Anaerobic Digestion of landfill leachate.
[Display omitted]
•Assessment of Single and two stage AD of leachate with varying pH and IOL.•Highest VFA yield was obtained at IOL of 48 g/L at acidic (5.5) & alkaline (11) pH.•Acetic acid was dominant at acidic pH whereas it was butyric acid at alkaline pH.•IOL of 48 g/L and 6 g/L yielded highest methane in single & two stage respectively.•Overall increase of 21% COD removal efficiency can be achieved in two stage AD.
This work aims to evaluate the impact of pH and initial organic load (IOL) in terms of Chemical Oxygen Demand (COD) of landfill leachate for the production of value added products during single and two stage anaerobic digestion (AD). It was observed that at an optimal IOL of 48 g/L, acetic acid was dominant at pH 5.5 whereas it was butyric acid at pH of 5.5–6.0 and 10–11. The yield of Volatile Fatty Acids (VFA) was dependent on IOL and it was in the range of 0.26 to 0.36 g VFA/(g COD removed). Methane was also harvested during single and two stage AD and found that it was varying in the range of 0.21–0.34 L CH4/(g COD removed) and 0.2–0.32 L CH4/(g COD removed) respectively. An overall increase of 21% COD removal was noticed in two stage AD in comparison to single stage.</abstract><cop>England</cop><pub>Elsevier Ltd</pub><pmid>29294458</pmid><doi>10.1016/j.biortech.2017.12.069</doi><tpages>10</tpages></addata></record> |
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| subjects | Anaerobic digestion Anaerobiosis Biofuels Bioreactors Fatty Acids, Volatile Leachate Methane Organic loading Volatile fatty acids Water Pollutants, Chemical |
| title | Evaluation of single and two stage anaerobic digestion of landfill leachate: Effect of pH and initial organic loading rate on volatile fatty acid (VFA) and biogas production |
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