原油污染土壤的生物修复——家禽粪便和天然橡胶加工污泥对石油烃生物降解的影响

Environmental sciences : an international journal of environmental physiology and toxicology Pub Date : 2005-01-01

C O Okieimen, F E Okieimen

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引用次数: 0

摘要

在实验室对原油污染土壤样品进行生物修复实验，在29度下分别添加不同量的家禽粪便和天然橡胶加工污泥作为营养补充，采用泥相和固相生物降解技术。用分光光度法测定了土壤中总碳氢化合物含量随时间的变化。结果发现，未经处理的土壤样品中原油的降解程度明显低于添加营养物质的土壤样品(最高可达100%)。泥相法的烃降解效率高于土相法。

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Bioremediation of crude oil-polluted soil--effect of poultry droppings and natural rubber processing sludge application on biodegradation of petroleum hydrocarbons.

Laboratory bioremediation experiments were carried out on crude oil-polluted soil samples by applying various amounts of poultry droppings and natural rubber processing sludge as nutrient supplements at 29 degrees and using slurry-phase and solid-phase biodegradation techniques. Changes in the total hydrocarbon content of the soil were determined using a spectrophotometric technique as a function of time. It was found that the extent of crude oil degradation in untreated soil samples was markedly lower (by up to 100%) than in the soil samples treated with nutrient supplements. Hydrocarbon degradation efficiency was higher in the slurry-phase than in the soil-phase technique.

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Environmental sciences : an international journal of environmental physiology and toxicology

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