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为了解重金属在水体中的迁移,探讨河口区域对它们的自净能力,我们曾研究过珠江口海域沉积物对汞、镉的吸附及其解吸作用,并找到了影响吸附作用的重要环境因素。本文仅是报道珠江口海域沉积物对汞、镉吸附的热力学和动力学的研究结果,这些结果对进一步弄清汞、镉在珠江口海域水体中的迁移机制是有益的。
In order to understand the migration of heavy metals in water and explore the self-purification ability of estuarine areas, we have studied the adsorption and desorption of mercury and cadmium in the sediments from the Pearl River estuary and found important environmental factors that affect the adsorption. This paper only reports on the thermodynamics and kinetics of mercury and cadmium adsorption in the sediments from the Pearl River estuary. These results are helpful to further understand the migration mechanism of mercury and cadmium in the waters of the Pearl River estuary.