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本文模拟研究了污水颗粒物－海水体系中磷的转移过程。污水颗粒物与海水混合之后先是快速吸附磷，之后即以约0．3d-3的速率进行释放。总过程仍表现为磷的释放。磷的吸附－释放属于离子交换性质，可用交换平衡动力学模式表示。溶解磷含量的增加速率符合一级动力学方程。
This paper simulates the phosphorus transfer process in sewage particulate matter-seawater system. Sewage particles are mixed with seawater and then rapidly adsorbed phosphorus, then released at a rate of about 0.3d-3. The overall process still shows the release of phosphorus. Phosphorus adsorption - release of ion exchange properties, available exchange equilibrium kinetic model said. The rate of increase of dissolved phosphorus conforms to the first-order kinetic equation.