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Remediation of organochlorine pesticides (OCPs) contaminated site by successive methyl-β-cyclodextrin (MCD) and sunflower oil enhanced soil washing–portulaca...

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dc.contributor.author Ye, Mao
dc.contributor.author Sun, Mingming
dc.contributor.author Hu, Feng
dc.contributor.author Kengara, Fredrick O
dc.contributor.author Jiang, Xin
dc.contributor.author Luo, Yongming
dc.contributor.author Yang, Xinlun
dc.date.accessioned 2018-01-19T12:03:31Z
dc.date.available 2018-01-19T12:03:31Z
dc.date.issued 2014-06-30
dc.identifier.uri https://repository.maseno.ac.ke/handle/123456789/147
dc.description.abstract An innovative ex situ soil washing technology was developed in this study to remediate organochlorine pesticides (OCPs)-contaminated site. Elevated temperature (50 C) combined with ultrasonication (35 kHz, 30 min) at 25 g L− 1 methyl-β-cyclodextrin and 100 mL L− 1 sunflower oil were effective in extracting OCPs from the soil. After four successive washing cycles, the removal efficiency for total OCPs, DDTs, endosulfans, 1, 2, 3, 4, 5, 6-hexachlorocyclohexanes, heptachlors, and chlordanes were all about 99%. The 4th washed soil with 3 months cultivation of Portulaca oleracea L. and nutrient addition significantly increase (p< 0.05) the number, biomass carbon, nitrogen, and functioning diversity of soil microorganisms. This implied that the microbiological functioning of the soil was at least partially restored. This combined cleanup strategy proved to be effective and … en_US
dc.publisher Pergamon en_US
dc.title Remediation of organochlorine pesticides (OCPs) contaminated site by successive methyl-β-cyclodextrin (MCD) and sunflower oil enhanced soil washing–portulaca... en_US
dc.type Article en_US


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