摘要
为了优化城市生活环境,不少城市都将原本位于城市居民区附近的化工厂搬迁至统一规划的工业园区,许多原属于化工厂使用的场地存在高浓度的有机物污染。为了降解场地中遗留的有机污染物,本文选择苯并[α]芘这一典型污染物为研究对象,使用新型环保型氧化剂高铁酸钾对土壤中的苯并[α]芘进行室内氧化消解试验。试验结果表明:土壤中苯并[α]芘的氧化降解率随高铁酸钾的投加量的增加而上升,但上升幅度并不是简单的线性关系,而是先大后小,最大降解率能够达到98.25%。
In order to optimize the urban living environment, many cities have moved chemical plants which were originally located in the annex of urban residential areas to the unified planning of industrial parks. Many sites used by chemical plants have high concentrations of organic matter pollution. In order to degrade the organic pollutants left in the site, benzo [α] pyrene, a typical pollutant, was selected as the research object. The indoor oxidative degradation test of benzo [α] pyrene in soil was carried out by using the new environmentally friendly oxidant potassium ferrate.The results show that the oxidative degradation rate of benzo [α] pyrene in soil increased with the increase of potassium ferrate dosage, but the increase is not a simple linear relationship, but first increased and then decreased, and the maximum degradation rate could reach 98.25 %.
作者
陈欢欢
陈祥彬
CHEN Huanhuan;CHEN Xiangbin(School of River&Ocean,Chongqing Jiaotong University,Chongqing 400074,China)
出处
《工程建设》
2021年第6期69-73,共5页
Engineering Construction
关键词
苯并[α]芘
高铁酸钾
氧化消解
室内试验
Benzo[α]pyrene
potassium ferrate
oxidation digestion
laboratory test
