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首页> 外文期刊>African Journal of Environmental Science and Technology >Earthworm-assisted bioremediation of petroleum hydrocarbon contaminated soil from mechanic workshop
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Earthworm-assisted bioremediation of petroleum hydrocarbon contaminated soil from mechanic workshop

机译：技工车间worm对石油烃污染土壤的生物修复

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摘要

The use of earthworms (Eudrilus eugenia) for vermi-assisted bioremediation of petroleum hydrocarbon contaminated mechanic workshop soils was investigated. Parameters of interest where earthworm survival, microbial count and identification, carbon and nitrogen contents of the soil and total petroleum hydrocarbon content of the soil. Earthworm survival was found to be dependent on the concentration of petroleum hydrocarbon and nature of the mechanic workshop. The survival of the worms in the as-obtained mechanic workshop soil was much lower than the survival in mechanic workshop soil diluted with petroleum hydrocarbon free soil. Earthworm inoculation also resulted in lower soil C and N contents after 35 days of vermi-assisted bioremediation. After 35 days of treatment, earthworm inoculation effected a higher drop in total petroleum hydrocarbon contents as compared to the samples without worms, indicating that earthworms may be used as biocatalysts in the bioremediation process.
机译：研究了investigated（Eudrilus eugenia）在受石油烃污染的机械车间土壤的生物辅助生物修复中的应用。 where存活率，微生物数量和鉴定，土壤中碳和氮含量以及土壤中总石油烃含量的相关参数。发现worm的存活取决于石油烃的浓度和机械车间的性质。蠕虫在获得的机械车间土壤中的存活率远低于用无石油烃的土壤稀释的机械车间土壤中的存活率。 ver辅助生物修复35天后，接种oc还导致土壤碳和氮含量降低。处理35天后，与没有蠕虫的样品相比，接种worm的总石油烃含量下降幅度更大，这表明earth可以在生物修复过程中用作生物催化剂。

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