ABSTRACT Soil remediation is one of the most important issues in environmental engineering. In this study, the effect of phenanthrene, anthracene, and benz(a)anthracene chemical structures on their removal from different soil slurries were investigated. Also, the effects of initial pollution concentration, injected ozone, water content and processing time on soil remediation were examined by response surface methodology. In the optimized condition for the soil of industrial site, anthracene, phenanthrene, and benz(a)anthracene have 67.87%, 85.2%, and 45.9% removal efficiencies, respectively. Based on these results, better water solubility, and less fine-grained soil particles are contributors to more efficient soil remediation system by ozonation. Abbreviations: ANOVA: analysis of variance; RSM: response surface methodology; CCD: central composite design; PAHs: polycyclic aromatic hydrocarbons; ANT: anthracene; PHE: phenanthrene; BaA: benz(a)anthracene; Vw: water volume; InjO3: injected ozone; T: time; CANT: initial anthracene concentration; CPHE: initial phenanthrene concentration; Wt: Weight percentage; PGSEZ: persian gulf special economic zone

中文翻译：

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臭氧修复多环芳烃污染土壤的优化

摘要 土壤修复是环境工程中最重要的问题之一。在这项研究中，研究了菲、蒽和苯 (a) 蒽化学结构对其从不同土壤浆液中去除的影响。此外，初始污染浓度、注入臭氧、含水量和处理时间对土壤修复的影响通过响应面方法进行了检查。在工业场地土壤优化条件下，蒽、菲和苯并(a)蒽的去除效率分别为67.87%、85.2%和45.9%。基于这些结果，更好的水溶性和更少的细粒土壤颗粒有助于通过臭氧处理更有效的土壤修复系统。缩写：ANOVA：方差分析；RSM：响应面法；CCD：中央复合设计；PAHs：多环芳烃；ANT：蒽；PHE：菲；BaA：苯（a）蒽；Vw：水量；InjO3：注入臭氧；T：时间；CANT：初​​始蒽浓度；CPHE：初始菲浓度；Wt：重量百分比；PGSEZ：波斯湾经济特区