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污水与九龙江河口水混合研究表明，COD的降解符合一级动力学模式，降解速率常数k在0．04～0．11d－1之间，水体有机物的转移以降解作用为主；两种水体混合时，先产生磷的吸附，后释放，整个过程表现为颗粒磷向溶解无机磷的转移。颗粒磷的释放可用交换吸附动力学模式表示，由模式计算的平衡释放容量与测定值相符。溶解无机磷的增长速率符合一级模式，测定磷的净释放速率，用于校正海区的环境容量。
Sewage and Jiulong River Estuary water mixing study showed that the degradation of COD in line with the first-order kinetic model, the degradation rate constant k between 0.04 ~ 0.11d-1, the transfer of organic matter in water to degradation of the main; two kinds of mixed water When, first produce phosphorus adsorption, after the release of the entire process showed the transfer of particulate phosphorus to dissolved inorganic phosphorus. The release of particulate phosphorus is expressed in exchange sorption kinetics and the equilibrium release capacity calculated from the model is consistent with the measured value. The growth rate of dissolved inorganic phosphorus conforms to the first order mode, and the net release rate of phosphorus is measured to correct the environmental capacity of the sea area.