摘要
本实验研究黄河口水文站沉积物对黄河水磷的吸附释放过程和东海１１１号站位沉积物对海水磷的吸附释放过程。并摸拟黄河沉积物在海水中磷的吸附释放过程。结果表明：底沉积物对磷的吸附相当迅速，无论是河泥还是海泥在２４ｈ内均能达到吸附平衡。吸附量与沉积物的量和水中原有磷的浓度有关，在不同的ｐＨ条件下。
Experimental studies have been conducted on the adsorption and desorption of phosphate in the Huanghe River water by sediments collected from the hydrometric station at the Estuary of the Huanghe River, and in sea water by sediments collected from the No.11 station in the East China Sea. The adsorption and desorption of phosphate in sea water by the sediments in the Huanghe River has been simulated. The results indicate that the adsorption of phosphate by sediments is considerably rapid and that a balance can be reached within 24 hours for either in the Huanghe River or in the East China Sea. The amount of adsorbed phosphate is affected by the amount of sediments. and the density of phosphate in the tested water. Moreover, the adsorption of phoshate by sediments varies with pH.
基金
国家自然科学基金
