Impact of digestate and its fractions on mineralization of 14 C-phenanthrene in aged soil
The impact of whole digestate (WD) and its fractions (solid [SD] and liquid [LD]) on C-phenanthrene mineralization in soil over 90 d contact time was investigated. The C-phenanthrene spiked soil was aged for 1, 30, 60 and 90 d. Analysis of water-soluble nitrogen, phosphorus, total (organic and inorg...
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| Veröffentlicht in: | Ecotoxicology and environmental safety 2020-06, Vol.195, p.110482 |
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| container_title | Ecotoxicology and environmental safety |
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| creator | Ibeto, Cynthia Omoni, Victor Fagbohungbe, Micheal Semple, Kirk |
| description | The impact of whole digestate (WD) and its fractions (solid [SD] and liquid [LD]) on
C-phenanthrene mineralization in soil over 90 d contact time was investigated. The
C-phenanthrene spiked soil was aged for 1, 30, 60 and 90 d. Analysis of water-soluble nitrogen, phosphorus, total (organic and inorganic) carbon, and quantitative bacterial count were conducted at each time point to assess their impact on mineralization of
C-phenanthrene in soils. Indigenous catabolic activity (total extents, maximum rates and lag phases) of
C-phenanthrene mineralization were measured using respirometric soil slurry assay. The soil amended with WD outperformed the SD and LD fractions as well as showed a shorter lag phase, higher rate and extent of mineralization throughout the study. The digestates improved (P |
| doi_str_mv | 10.1016/j.ecoenv.2020.110482 |
| format | Article |
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C-phenanthrene mineralization in soil over 90 d contact time was investigated. The
C-phenanthrene spiked soil was aged for 1, 30, 60 and 90 d. Analysis of water-soluble nitrogen, phosphorus, total (organic and inorganic) carbon, and quantitative bacterial count were conducted at each time point to assess their impact on mineralization of
C-phenanthrene in soils. Indigenous catabolic activity (total extents, maximum rates and lag phases) of
C-phenanthrene mineralization were measured using respirometric soil slurry assay. The soil amended with WD outperformed the SD and LD fractions as well as showed a shorter lag phase, higher rate and extent of mineralization throughout the study. The digestates improved (P < 0.05) the microbial population and nutritive content of the soil. However, findings showed that spiking soil with phenanthrene generally reduced the growth of microbial populations from 1 to 90 d and gave a lower nutritive content in comparison with the non-spiked soil. Also, soil fertility and bacteria count were major factors driving
C-phenanthrene mineralization. Particularly, the non-phenanthrene degraders positively influenced the cumulative mineralization of
C-phenanthrene after 60 d incubation. Therefore, the digestates (residue from anaerobic digestion) especially WD, which enhanced
C-phenanthrene mineralization of the soil without minimal basal salts medium nor additional degraders should be further exploited for sustainable bioremediation of PAHs contaminated soil.</description><identifier>EISSN: 1090-2414</identifier><identifier>DOI: 10.1016/j.ecoenv.2020.110482</identifier><identifier>PMID: 32200149</identifier><language>eng</language><publisher>Netherlands</publisher><ispartof>Ecotoxicology and environmental safety, 2020-06, Vol.195, p.110482</ispartof><rights>Copyright © 2020 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32200149$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ibeto, Cynthia</creatorcontrib><creatorcontrib>Omoni, Victor</creatorcontrib><creatorcontrib>Fagbohungbe, Micheal</creatorcontrib><creatorcontrib>Semple, Kirk</creatorcontrib><title>Impact of digestate and its fractions on mineralization of 14 C-phenanthrene in aged soil</title><title>Ecotoxicology and environmental safety</title><addtitle>Ecotoxicol Environ Saf</addtitle><description>The impact of whole digestate (WD) and its fractions (solid [SD] and liquid [LD]) on
C-phenanthrene mineralization in soil over 90 d contact time was investigated. The
C-phenanthrene spiked soil was aged for 1, 30, 60 and 90 d. Analysis of water-soluble nitrogen, phosphorus, total (organic and inorganic) carbon, and quantitative bacterial count were conducted at each time point to assess their impact on mineralization of
C-phenanthrene in soils. Indigenous catabolic activity (total extents, maximum rates and lag phases) of
C-phenanthrene mineralization were measured using respirometric soil slurry assay. The soil amended with WD outperformed the SD and LD fractions as well as showed a shorter lag phase, higher rate and extent of mineralization throughout the study. The digestates improved (P < 0.05) the microbial population and nutritive content of the soil. However, findings showed that spiking soil with phenanthrene generally reduced the growth of microbial populations from 1 to 90 d and gave a lower nutritive content in comparison with the non-spiked soil. Also, soil fertility and bacteria count were major factors driving
C-phenanthrene mineralization. Particularly, the non-phenanthrene degraders positively influenced the cumulative mineralization of
C-phenanthrene after 60 d incubation. Therefore, the digestates (residue from anaerobic digestion) especially WD, which enhanced
C-phenanthrene mineralization of the soil without minimal basal salts medium nor additional degraders should be further exploited for sustainable bioremediation of PAHs contaminated soil.</description><issn>1090-2414</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNqFjsGKAjEQRIOwqKv-gSz9AzN2MlH0LIp734snaZ0ejcx0hiQr6NeroGdPBa9eQSk11phr1LPJOeeDZ7nkBs0DabRz01F9jQvMjNW2p75jPCNigdNpV_UKYxC1XfTV9rdp6ZDAV1C6I8dEiYGkBJciVOFROS8RvEDjhAPV7kZP9BxoC8usPbGQpFNgYXACdOQSonf1UH1VVEcevXKgftarv-Uma__3DZe7NriGwnX3_lJ8FO7wMUXJ</recordid><startdate>20200601</startdate><enddate>20200601</enddate><creator>Ibeto, Cynthia</creator><creator>Omoni, Victor</creator><creator>Fagbohungbe, Micheal</creator><creator>Semple, Kirk</creator><scope>NPM</scope></search><sort><creationdate>20200601</creationdate><title>Impact of digestate and its fractions on mineralization of 14 C-phenanthrene in aged soil</title><author>Ibeto, Cynthia ; Omoni, Victor ; Fagbohungbe, Micheal ; Semple, Kirk</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-pubmed_primary_322001493</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ibeto, Cynthia</creatorcontrib><creatorcontrib>Omoni, Victor</creatorcontrib><creatorcontrib>Fagbohungbe, Micheal</creatorcontrib><creatorcontrib>Semple, Kirk</creatorcontrib><collection>PubMed</collection><jtitle>Ecotoxicology and environmental safety</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ibeto, Cynthia</au><au>Omoni, Victor</au><au>Fagbohungbe, Micheal</au><au>Semple, Kirk</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Impact of digestate and its fractions on mineralization of 14 C-phenanthrene in aged soil</atitle><jtitle>Ecotoxicology and environmental safety</jtitle><addtitle>Ecotoxicol Environ Saf</addtitle><date>2020-06-01</date><risdate>2020</risdate><volume>195</volume><spage>110482</spage><pages>110482-</pages><eissn>1090-2414</eissn><abstract>The impact of whole digestate (WD) and its fractions (solid [SD] and liquid [LD]) on
C-phenanthrene mineralization in soil over 90 d contact time was investigated. The
C-phenanthrene spiked soil was aged for 1, 30, 60 and 90 d. Analysis of water-soluble nitrogen, phosphorus, total (organic and inorganic) carbon, and quantitative bacterial count were conducted at each time point to assess their impact on mineralization of
C-phenanthrene in soils. Indigenous catabolic activity (total extents, maximum rates and lag phases) of
C-phenanthrene mineralization were measured using respirometric soil slurry assay. The soil amended with WD outperformed the SD and LD fractions as well as showed a shorter lag phase, higher rate and extent of mineralization throughout the study. The digestates improved (P < 0.05) the microbial population and nutritive content of the soil. However, findings showed that spiking soil with phenanthrene generally reduced the growth of microbial populations from 1 to 90 d and gave a lower nutritive content in comparison with the non-spiked soil. Also, soil fertility and bacteria count were major factors driving
C-phenanthrene mineralization. Particularly, the non-phenanthrene degraders positively influenced the cumulative mineralization of
C-phenanthrene after 60 d incubation. Therefore, the digestates (residue from anaerobic digestion) especially WD, which enhanced
C-phenanthrene mineralization of the soil without minimal basal salts medium nor additional degraders should be further exploited for sustainable bioremediation of PAHs contaminated soil.</abstract><cop>Netherlands</cop><pmid>32200149</pmid><doi>10.1016/j.ecoenv.2020.110482</doi></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| title | Impact of digestate and its fractions on mineralization of 14 C-phenanthrene in aged soil |
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