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Oil recovery from oil sludge through combined ultrasound and thermochemical cleaning treatment / Yuqi Jin in Industrial & engineering chemistry research, Vol. 51 N° 27 (Juillet 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 27 (Juillet 2012) . - pp. 9213–9217 Titre : Oil recovery from oil sludge through combined ultrasound and thermochemical cleaning treatment Type de document : texte imprimé Auteurs : Yuqi Jin, Auteur ; Xiaoyuan Zheng, Auteur ; Xiaoliang Chu, Auteur Année de publication : 2012 Article en page(s) : pp. 9213–9217 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Thermochemical  cleaning  Oil  sludge Résumé : Oil sludge from an oil storage tank was treated using a combined ultrasound and thermochemical cleaning method. The effects of cleaning temperature, cleaning time, ultrasound frequency, ultrasound power, and other factors on the oil recovery were investigated. Experiments on the screening and remixing of reagents were conducted and indicated that the best constituents of detergent solution were sodium silicate, sodium dodecyl benzene sulfonate, and fatty alcohol ethoxylates in a ratio of 1:1:1. The optimum conditions of the combined treatment system were also determined. The results showed that, under the optimum conditions, the oil content of oil sludge dropped from 43.13% to 1.01%, 0.53% of solids remained in the separated oil layer, and 99.32% oil recovery could be achieved when the concentration of detergent solution was to 2 g/L. Compared with traditional thermochemical cleaning, the oil recovery was 17.65% higher for the combined treatment system. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie301130c [article] Oil recovery from oil sludge through combined ultrasound and thermochemical cleaning treatment [texte imprimé] / Yuqi Jin, Auteur ; Xiaoyuan Zheng, Auteur ; Xiaoliang Chu, Auteur . - 2012 . - pp. 9213–9217. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 27 (Juillet 2012) . - pp. 9213–9217 Mots-clés : Thermochemical  cleaning  Oil  sludge Résumé : Oil sludge from an oil storage tank was treated using a combined ultrasound and thermochemical cleaning method. The effects of cleaning temperature, cleaning time, ultrasound frequency, ultrasound power, and other factors on the oil recovery were investigated. Experiments on the screening and remixing of reagents were conducted and indicated that the best constituents of detergent solution were sodium silicate, sodium dodecyl benzene sulfonate, and fatty alcohol ethoxylates in a ratio of 1:1:1. The optimum conditions of the combined treatment system were also determined. The results showed that, under the optimum conditions, the oil content of oil sludge dropped from 43.13% to 1.01%, 0.53% of solids remained in the separated oil layer, and 99.32% oil recovery could be achieved when the concentration of detergent solution was to 2 g/L. Compared with traditional thermochemical cleaning, the oil recovery was 17.65% higher for the combined treatment system. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie301130c