Coupling advection–dispersion equation and dynamic model for phytoremediation of 134Cs in soil

IF 1.5 3区 化学 Q3 CHEMISTRY, ANALYTICAL
D. P. Tsafack Feudjio, Ali Zarma, T. Tjock-Mbaga, C. Takembo Ntahkie, P. Mah Tsila, G. H. Ben-Bolie
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引用次数: 0

Abstract

This study proposes a model for phytoremediation coupling transport in soil and dynamic model using sunflower plants and 134Cs radionuclide. The model was validated by comparison with experimental measurements. The error value obtained, ranging from 0.00045–0.5268, is quite small, and the overall simulation data has approached the experiment. Factors influencing radionuclide concentration in different blocks include saturation point values, absorption rates of plant parts, soil dispersion coefficient, and velocity. The model is used to predict doses from ingesting sunflower seeds and estimates the soil-to-plant transfer factor. This new model is recommended for accurate assessment of environmental risks associated with radionuclides and for efficient decontamination.

Abstract Image

土壤中 134Cs 植物修复的耦合平流-弥散方程和动态模型
本研究利用向日葵植物和 134Cs 放射性核素,提出了一种植物修复耦合土壤迁移模型和动态模型。该模型与实验测量结果进行了对比验证。得到的误差值在 0.00045-0.5268 之间,误差很小,整体模拟数据已接近实验数据。影响不同区块放射性核素浓度的因素包括饱和点值、植物部分的吸收率、土壤扩散系数和速度。该模型用于预测摄入向日葵种子的剂量,并估算土壤到植物的转移因子。建议使用这一新模型来准确评估与放射性核素有关的环境风险,并有效地进行净化。
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来源期刊
CiteScore
2.80
自引率
18.80%
发文量
504
审稿时长
2.2 months
期刊介绍: An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.
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