In order to effectively control petroleum hydrocarbon pollution by immobilisation technology,it is necessary to understanding the degradation pathways of petroleum hydrocarbon in immobilised petroleum-degradation bact...In order to effectively control petroleum hydrocarbon pollution by immobilisation technology,it is necessary to understanding the degradation pathways of petroleum hydrocarbon in immobilised petroleum-degradation bacteria system.However,the adsorption in degradation process is rarely studied.In this study,adsorption process of petroleum hydrocarbon was synergistically studied by means of the surface properties,adsorption thermodynamics and molecular simulation.The results indicate that the immobilised petroleum-degradation bacteria have many holes for the bacteria to adsorb.The diesel adsorption by immobilised petroleum-degradation bacteria is a spontaneous,entropy-increasing and endothermic process.Diesel is first adsorbed to the surface of immobilised petroleum-degradation bacteria through hydrogen bonding,and then is biodegraded.This study provided substantial knowledge of immobilised technology in controlling petroleum hydrocarbon pollution.展开更多
基金supported by the scientific research fund project of the National Natural Science Foundation of China(grant numbers 52070123 and 51874193)the Natural Science Foundation of Shandong Province(grant numbers ZR2020ME224)+4 种基金the National Key Research and Development Project(grant number 2019YFC0408503)the Science and Technology Projects of Qingdao(grant number 19-6-2-25-cg)Young Science and Technology Innovation Program of Shandong Province(grant number 2020KJD001)the Open Research Fund Program of Shandong Key Laboratory of Eco-Environmental Science for Yellow River Delta(Binzhou University)(grant number 2019KFJJ02)Project of Shandong Province Higher Educational Young Innovative Talent Introduction and Cultivation Team[Hydrogen energy chemistry innovation team]。
文摘In order to effectively control petroleum hydrocarbon pollution by immobilisation technology,it is necessary to understanding the degradation pathways of petroleum hydrocarbon in immobilised petroleum-degradation bacteria system.However,the adsorption in degradation process is rarely studied.In this study,adsorption process of petroleum hydrocarbon was synergistically studied by means of the surface properties,adsorption thermodynamics and molecular simulation.The results indicate that the immobilised petroleum-degradation bacteria have many holes for the bacteria to adsorb.The diesel adsorption by immobilised petroleum-degradation bacteria is a spontaneous,entropy-increasing and endothermic process.Diesel is first adsorbed to the surface of immobilised petroleum-degradation bacteria through hydrogen bonding,and then is biodegraded.This study provided substantial knowledge of immobilised technology in controlling petroleum hydrocarbon pollution.
