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Evaluation of enhanced soil washing process and phytoremediation with maize oil, carboxymethyl-β-cyclodextrin, and vetiver grass for the recovery of organochlorin...

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dc.contributor.author Ye, Mao
dc.contributor.author Sun, Mingming
dc.contributor.author Liu, Zongtang
dc.contributor.author Ni, Ni
dc.contributor.author Chen, Yinwen
dc.contributor.author Gu, Chengang
dc.contributor.author Kengara, Fredrick O
dc.contributor.author Li, Huixin
dc.contributor.author Jiang, Xin
dc.date.accessioned 2018-01-19T11:20:42Z
dc.date.available 2018-01-19T11:20:42Z
dc.date.issued 2014-08-01
dc.identifier.uri https://repository.maseno.ac.ke/handle/123456789/144
dc.description.abstract Abstract An innovative ex situ soil washing technology was developed in this study to remediate organochlorine pesticides (OCPs) and heavy metals in a mixed contaminated site. Elevated temperature (60 C) combined with ultrasonication (40 kHz, 20 min) at 50 mL L− 1 maize oil and 45 g L− 1 carboxylmethyl-β-cyclodextrin were effective in extracting pollutants from the soil. After two successive washing cycles, the removal efficiency rates for total OCPs, mirex, endosulfans, chlordanes, Cd, and Pb were approximately 94.7%, 87.2%, 98.5%, 92.3%, 91.6%, and 87.3%, respectively. Cultivation of vetiver grass and addition of nutrients for 3 months further degraded 34.7% of the residual total OCPs and partially restored the microbiological functions of the soil. This result was indicated by the significant increase in the number, biomass C, N, and functioning diversity of soil microorganisms (p … en_US
dc.publisher Academic Press en_US
dc.title Evaluation of enhanced soil washing process and phytoremediation with maize oil, carboxymethyl-β-cyclodextrin, and vetiver grass for the recovery of organochlorin... en_US
dc.type Article en_US


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