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Analysing performance of real textile wastewater bio-decolourization under different reaction environments
The biological colour removal from textile wastewater is challenging because of the toxicity of dyes to microorganisms, and the need to test the process on real streams in order to ensure the reliability of the produced data. This present study has provided a comparative analysis of the bio-decolori...
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Published in: | Journal of cleaner production 2016-08, Vol.129, p.468-477 |
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description | The biological colour removal from textile wastewater is challenging because of the toxicity of dyes to microorganisms, and the need to test the process on real streams in order to ensure the reliability of the produced data. This present study has provided a comparative analysis of the bio-decolorization of a real wastewater containing a mixture of azo dyes under different environments: single aerobic and anaerobic, and sequential anaerobic-aerobic. Tests were performed in sequencing batch reactors operated at different exchange ratios and colour loads in the range of 0.1–0.3 and 0.002–0.1 kgCOD m−3 d−1, respectively. The work cycle lasted 24 h. With reference to the dominant wavelength, λ = 536 nm, resulting from the influent characterization, a maximum limit value of ∼30% was observed for the colour removal in the aerobic system. Better performance has been achieved with the anaerobic (65% removal) and the sequential anaerobic-aerobic system, which reached efficiencies of 70–80%, for the range of applied colour loads. The sequential system exhibits the highest removal rate, which, for the highest colour load, is equal, in terms of absorbance units to 0.043 AU d−1 L−1. These values are even higher than the process rates obtained with more complex technologies, such as the granular sludge bioreactors. The demonstrated high performance of the sequential process with a real wastewater is a relevant step forward for promoting the application of the biological treatment (more sustainable than the generally employed chemical physical ones) to remediate highly polluted dye streams.
[Display omitted]
•Biological colour removal from real textile wastewater was investigated.•Single anaerobic and aerobic and sequential anaerobic-aerobic systems were tested.•Sequential anaerobic-aerobic process showed the best performance.•Colour removal efficiencies in the sequential mode were in the range of 70–80%. |
doi_str_mv | 10.1016/j.jclepro.2016.04.028 |
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[Display omitted]
•Biological colour removal from real textile wastewater was investigated.•Single anaerobic and aerobic and sequential anaerobic-aerobic systems were tested.•Sequential anaerobic-aerobic process showed the best performance.•Colour removal efficiencies in the sequential mode were in the range of 70–80%.</description><identifier>ISSN: 0959-6526</identifier><identifier>EISSN: 1879-1786</identifier><identifier>DOI: 10.1016/j.jclepro.2016.04.028</identifier><language>eng</language><publisher>Elsevier Ltd</publisher><subject>Biological decolourization ; Color ; Color removal ; Colour ; Dyes ; Reactive dyes ; Real wastewater ; SBR reactor ; Sequential anaerobic-aerobic process ; Streams ; Textile industry wastewater ; Textiles ; Waste water ; Wastewater treatment</subject><ispartof>Journal of cleaner production, 2016-08, Vol.129, p.468-477</ispartof><rights>2016 Elsevier Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c412t-4b2083a1cdbb91050abcb2359d2fdf9ecc8eeaaf288bda16720564d133c3561a3</citedby><cites>FETCH-LOGICAL-c412t-4b2083a1cdbb91050abcb2359d2fdf9ecc8eeaaf288bda16720564d133c3561a3</cites><orcidid>0000-0001-6636-4788</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Tomei, M. Concetta</creatorcontrib><creatorcontrib>Soria Pascual, Jesica</creatorcontrib><creatorcontrib>Mosca Angelucci, Domenica</creatorcontrib><title>Analysing performance of real textile wastewater bio-decolourization under different reaction environments</title><title>Journal of cleaner production</title><description>The biological colour removal from textile wastewater is challenging because of the toxicity of dyes to microorganisms, and the need to test the process on real streams in order to ensure the reliability of the produced data. This present study has provided a comparative analysis of the bio-decolorization of a real wastewater containing a mixture of azo dyes under different environments: single aerobic and anaerobic, and sequential anaerobic-aerobic. Tests were performed in sequencing batch reactors operated at different exchange ratios and colour loads in the range of 0.1–0.3 and 0.002–0.1 kgCOD m−3 d−1, respectively. The work cycle lasted 24 h. With reference to the dominant wavelength, λ = 536 nm, resulting from the influent characterization, a maximum limit value of ∼30% was observed for the colour removal in the aerobic system. Better performance has been achieved with the anaerobic (65% removal) and the sequential anaerobic-aerobic system, which reached efficiencies of 70–80%, for the range of applied colour loads. The sequential system exhibits the highest removal rate, which, for the highest colour load, is equal, in terms of absorbance units to 0.043 AU d−1 L−1. These values are even higher than the process rates obtained with more complex technologies, such as the granular sludge bioreactors. The demonstrated high performance of the sequential process with a real wastewater is a relevant step forward for promoting the application of the biological treatment (more sustainable than the generally employed chemical physical ones) to remediate highly polluted dye streams.
[Display omitted]
•Biological colour removal from real textile wastewater was investigated.•Single anaerobic and aerobic and sequential anaerobic-aerobic systems were tested.•Sequential anaerobic-aerobic process showed the best performance.•Colour removal efficiencies in the sequential mode were in the range of 70–80%.</description><subject>Biological decolourization</subject><subject>Color</subject><subject>Color removal</subject><subject>Colour</subject><subject>Dyes</subject><subject>Reactive dyes</subject><subject>Real wastewater</subject><subject>SBR reactor</subject><subject>Sequential anaerobic-aerobic process</subject><subject>Streams</subject><subject>Textile industry wastewater</subject><subject>Textiles</subject><subject>Waste water</subject><subject>Wastewater treatment</subject><issn>0959-6526</issn><issn>1879-1786</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqNUctKBDEQDKLguvoJwhy9zNjJvDInEfEFC170HDJJRzLMJmuSVdevd_Zx11PTXVXddBUhlxQKCrS5HopBjbgKvmBTW0BVAONHZEZ52-W05c0xmUFXd3lTs-aUnMU4ANAW2mpGhlsnx0207j1bYTA-LKVTmHmTBZRjlvA72RGzLxkTfsmEIeutzzUqP_p1sD8yWe-ytdMToq0xGNClrVbtAHSfNni3nIbxnJwYOUa8ONQ5eXu4f717yhcvj893t4tcVZSlvOoZ8FJSpfu-o1CD7FXPyrrTzGjToVIcUUrDOO-1pE3LoG4qTctSlXVDZTknV_u9kyMfa4xJLG1UOI7SoV9HQTmrq7ZqGP8HFXgLZUlhotZ7qgo-xoBGrIJdyrARFMQ2BjGIQwxiG4OASsDuxM1eh9PLnxaDiMri5LG2AVUS2ts_NvwCnrmW4A</recordid><startdate>20160815</startdate><enddate>20160815</enddate><creator>Tomei, M. Concetta</creator><creator>Soria Pascual, Jesica</creator><creator>Mosca Angelucci, Domenica</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7TV</scope><scope>C1K</scope><scope>SOI</scope><scope>7QQ</scope><scope>7TA</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0001-6636-4788</orcidid></search><sort><creationdate>20160815</creationdate><title>Analysing performance of real textile wastewater bio-decolourization under different reaction environments</title><author>Tomei, M. Concetta ; Soria Pascual, Jesica ; Mosca Angelucci, Domenica</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c412t-4b2083a1cdbb91050abcb2359d2fdf9ecc8eeaaf288bda16720564d133c3561a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Biological decolourization</topic><topic>Color</topic><topic>Color removal</topic><topic>Colour</topic><topic>Dyes</topic><topic>Reactive dyes</topic><topic>Real wastewater</topic><topic>SBR reactor</topic><topic>Sequential anaerobic-aerobic process</topic><topic>Streams</topic><topic>Textile industry wastewater</topic><topic>Textiles</topic><topic>Waste water</topic><topic>Wastewater treatment</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tomei, M. Concetta</creatorcontrib><creatorcontrib>Soria Pascual, Jesica</creatorcontrib><creatorcontrib>Mosca Angelucci, Domenica</creatorcontrib><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Pollution Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of cleaner production</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tomei, M. Concetta</au><au>Soria Pascual, Jesica</au><au>Mosca Angelucci, Domenica</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysing performance of real textile wastewater bio-decolourization under different reaction environments</atitle><jtitle>Journal of cleaner production</jtitle><date>2016-08-15</date><risdate>2016</risdate><volume>129</volume><spage>468</spage><epage>477</epage><pages>468-477</pages><issn>0959-6526</issn><eissn>1879-1786</eissn><abstract>The biological colour removal from textile wastewater is challenging because of the toxicity of dyes to microorganisms, and the need to test the process on real streams in order to ensure the reliability of the produced data. This present study has provided a comparative analysis of the bio-decolorization of a real wastewater containing a mixture of azo dyes under different environments: single aerobic and anaerobic, and sequential anaerobic-aerobic. Tests were performed in sequencing batch reactors operated at different exchange ratios and colour loads in the range of 0.1–0.3 and 0.002–0.1 kgCOD m−3 d−1, respectively. The work cycle lasted 24 h. With reference to the dominant wavelength, λ = 536 nm, resulting from the influent characterization, a maximum limit value of ∼30% was observed for the colour removal in the aerobic system. Better performance has been achieved with the anaerobic (65% removal) and the sequential anaerobic-aerobic system, which reached efficiencies of 70–80%, for the range of applied colour loads. The sequential system exhibits the highest removal rate, which, for the highest colour load, is equal, in terms of absorbance units to 0.043 AU d−1 L−1. These values are even higher than the process rates obtained with more complex technologies, such as the granular sludge bioreactors. The demonstrated high performance of the sequential process with a real wastewater is a relevant step forward for promoting the application of the biological treatment (more sustainable than the generally employed chemical physical ones) to remediate highly polluted dye streams.
[Display omitted]
•Biological colour removal from real textile wastewater was investigated.•Single anaerobic and aerobic and sequential anaerobic-aerobic systems were tested.•Sequential anaerobic-aerobic process showed the best performance.•Colour removal efficiencies in the sequential mode were in the range of 70–80%.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.jclepro.2016.04.028</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0001-6636-4788</orcidid></addata></record> |
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subjects | Biological decolourization Color Color removal Colour Dyes Reactive dyes Real wastewater SBR reactor Sequential anaerobic-aerobic process Streams Textile industry wastewater Textiles Waste water Wastewater treatment |
title | Analysing performance of real textile wastewater bio-decolourization under different reaction environments |
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