Vegetable oil has the ability to extract polycyclic aromatic hydrocarbons(PAHs)from contaminated sandy soil for a remediation purpose,with some of the oil remaining in the soil.Although most of the PAHs were removed,t...Vegetable oil has the ability to extract polycyclic aromatic hydrocarbons(PAHs)from contaminated sandy soil for a remediation purpose,with some of the oil remaining in the soil.Although most of the PAHs were removed,the risk of residue oil in the soil was not known.The objective of this study was to evaluate the effects of the vegetable oil residue on higher plant growth and sandy soil properties after soil extraction for a better understanding of the soil remediation.Addition of sunflower oil and column ex...展开更多
Emulsion prepared under acidic conditions was compared with emulsion prepared under basic conditions.Under acidic conditions emulsion had a small average count rate,emulsion particles grow slowly at the early stage an...Emulsion prepared under acidic conditions was compared with emulsion prepared under basic conditions.Under acidic conditions emulsion had a small average count rate,emulsion particles grow slowly at the early stage and grow quickly at the latter,the Zeta potential was low.However,under basic conditions,those parameters were contrasted.At the same time there was a plateau range in which particles almost would not grow.展开更多
基金supported by the National Natural Science Foundation of China(No.20707030)the National Basic Research Program(973)of China(No.2004CB418506)
文摘Vegetable oil has the ability to extract polycyclic aromatic hydrocarbons(PAHs)from contaminated sandy soil for a remediation purpose,with some of the oil remaining in the soil.Although most of the PAHs were removed,the risk of residue oil in the soil was not known.The objective of this study was to evaluate the effects of the vegetable oil residue on higher plant growth and sandy soil properties after soil extraction for a better understanding of the soil remediation.Addition of sunflower oil and column ex...
文摘Emulsion prepared under acidic conditions was compared with emulsion prepared under basic conditions.Under acidic conditions emulsion had a small average count rate,emulsion particles grow slowly at the early stage and grow quickly at the latter,the Zeta potential was low.However,under basic conditions,those parameters were contrasted.At the same time there was a plateau range in which particles almost would not grow.
