基于电磁场模拟微波对土壤苯系污染物的脱附研究

王树桥; 袁京周; 郭婧涵; 张丁超; 韩梦非; 葛宇轩; 耿雅娴; 王欣

doi:10.13205/j.hjgc.202403024

基于电磁场模拟微波对土壤苯系污染物的脱附研究

doi: 10.13205/j.hjgc.202403024

王树桥^1,2,
袁京周^1,2,
郭婧涵^1,2,
张丁超^1,2,
韩梦非^1,2,
葛宇轩^1,2,
耿雅娴^1,2,
王欣^1,2, ,

1. 河北科技大学环境科学与工程学院, 石家庄 050091;
2. 挥发性有机物与恶臭污染防治技术国家地方联合工程研究中心, 石家庄 050091

基金项目:

河北省高等学校科学技术研究重点项目(ZD2020345)

河北省自然科学基金面上项目(B2020208023)

河北省重点研发计划项目(22373702D)

国家自然科学基金项目(51804096)

详细信息

作者简介:
王树桥(1997-),男,硕士生在读,主要从事微波土壤修复以及微波电磁波模拟技术研究。1061417267@qq.com

通讯作者:
王欣(1984-),男,博士,副教授。wangxinwa84@163.com

计量
- 文章访问数: 64
- HTML全文浏览量: 4
- PDF下载量: 4
- 被引次数: 0
出版历程
- 收稿日期: 2023-02-20
- 网络出版日期: 2024-05-31

DESORPTION OF SOIL BENZENE SERIES CONTAMINANTS USING ELECTROMAGNETIC FIELD SIMULATED MICROWAVES

1. College of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang 050091, China;
2. National Local Joint Engineering Research Center for VOCs and Odor Pollution Control Technology, Shijiazhuang 050091, China

摘要

摘要: 微波热脱附土壤中的有机污染物凭借高效、清洁等优点受到广泛关注。近年来,多数微波土壤热脱附研究装置均由家用微波炉改造而来,无法满足微波热脱附实际应用所需的高功率、高精度温度控制等条件。因此,选用苯系物中的邻二甲苯作为目标污染物,以自配污染土壤为样品,采用自制微波热脱附装置为平台进行实验,针对微波功率、微波加热时长、土壤含水率等工艺条件进行单因素影响实验。同时,构建微波加热土壤模型,设置相同条件,并得到相符的结果。并利用该模型推测其他单因素影响实验的假设。实验与模拟结果表明:微波对土壤热脱附的最佳功率为1600 W,热脱附时间为27 min,含水率为17%,推测样品放置于临近加热腔中心位置时对邻二甲苯去除率最佳。
- 土壤修复 /
- 微波热脱附 /
- 电磁模拟 /
- 邻二甲苯
Abstract: Microwave thermal desorption of organic contaminants from soil has gained much attention due to its high efficiency and cleanliness. In recent years, most of the microwave soil thermal desorption research devices are converted from household microwave ovens, and cannot meet the high power requirement for the practical application of microwave thermal desorption, high-precision temperature control, and other conditions. Therefore, in this paper, o-xylene in benzene was chosen as the target pollutant, the self-matched contaminated soil was used as the sample, a self-made microwave thermal desorption device was used as the platform for the experiments, and single-factor influence experiments were conducted for the process conditions such as microwave power, microwave heating duration, and soil moisture content, etc. Meanwhile, a microwave heating soil model was constructed, the same conditions were set, and the matching results were obtained. The model was also used to speculate the hypothesis of other single-factor influence experiments. The experimental and simulation results showed that the optimal power of microwave thermal desorption of soil was 1600 W, the thermal desorption time was 27 min, the water content was 17%, and it was presumed that the best removal rate of o-xylene was achieved when the sample was placed near the center of the heating chamber.
- soil remediation /
- microwave thermal desorption /
- electromagnetic simulation /
- o-xylene

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