长江河口潮滩表层沉积物对磷酸盐的吸附特征

doi:10.11821/xb200204003

Abstract

Abstract:

Adsorption of phosphate (PO_4-P) on sediments taken from the Yangtze estuarine and coastal tidal flats were determined in laboratory. The results indicate that the process of phosphorus adsorption onto sediments mainly occurs within 0-10 h, and then attends to a dynamic equilibrium. Maximum adsorption rates occurred within 0-0.5 h, ranging from 10.40 to 56.40 mg/kgh. The adsorption rates were obviously influenced by the concentration levels of fine particles. Adsorption isotherm curves were fitted to modified Langmuir's equation. Adsorption capacities varied from 26.32 to 204.08 mg/kg, showing good affinities for Fe³⁺ and total organic carbon (TOC) concentrations. The adsorption efficiency of phosphate on sediments ranged from 21.55 to 248.30 L/kg, showing close correlation with TOC concentrations. Furthermore, the correlation between environmental factors and phosphate adsorption was presented in this experiment, indicating that temperature, pH and salinity have obvious effects on phosphate adsorption.

Key words: PO_4-P, adsorption rate, adsorption capacity, adsorption efficiency, surface sediments, the Yangtze

LIU Min, HOU Lijun, XU Shiyuan, OU Dongni, ZHANG Binliang, LIU Qiaomei, YANG Yi. Phosphate Adsorption Characteristics of Tidal Flat Surface Sediments and Its Environmental Effect from the Yangtze Estuary[J].Acta Geographica Sinica, 2002, 57(4): 397-406.

References

[1] Cambridge D E C. Phosphorus: An Outline of Its Chemistry, Biochemistry and Technology. New York: Elsevier Scientific Publishing Company, 1978. 7.

[2] Berner E K, Berner R A. The Lake Water Cycle, Geochemistry and Environment. New Jersey: Engglewood Cliffs, Pretice Hall Inc., 1987. 190.

[3] Conley D J, Stockenberg A, Carman R et al. Sediment-water nutrient fluxes in the Gulf of Finland, Baltic Sea.Estuarine, Coastal and Shelf Science, 1997, 45: 591-598.

[4] Warnken K W, Gill G A, Santschi P H et al. Benthic exchange of nutrients in Galveston Bay, Texas. Estuaries, 2000,23(5): 647-661.

[5] Slomp C P, Malschaert J F P, Van Raaphorst W. The role of adsorption in sediment-water exchange of phosphate in North Sea continental margin sediment. Limnol. Oceanogr., 1998, 43(5): 832-846.

[6] Lopez P, Lluch X, Vidal M et al. Adsorption of phosphorus on sediments of the Balearic (Spain) related to their composition. Estuarine, Coastal and Shelf Science, 1996, 42: 185-195.

[7] Jugsujinda A, A Krairapanona, W H Patrick, JR. Influence of extractable iron, aluminum, and manganese of P sorption in flooded acid sulfate soils. Biol. Fertil. Soil, 1995, 20: 118-124.

[8] Jones R I, P J Shaw, H DE Haan. Effects of dissolved humic substances on the speciation of iron and phosphate at different pH and ionic strength. Environ. Sci. Technol., 1993, 27: 1052-1059.

[9] Shang C, Stewart J W B, Huang P M. pH effect on kinetics of adsorption of organic and inorganic phosphates by short-range ordered aluminium and iron precipitates. Geoderma, 1992, 53: 1-14.

[10] Sundareshwar P V, Morris James T. Phosphorus sorption characteristics of intertidal marsh sediments along an estuarine salinity gradient. Limnol. Oceanogr., 1999, 44(7): 1693-1701.

[11] Shi Xiaoyong, Shi Zhili, Yu Heng et al. The discussion on phosphate buffering mechanisms in Huanghe Estuary I. Limnol. Oceanogr., 1999, 30(2): 192-197.
[石晓勇, 史致丽, 余恒等. 黄河口磷酸盐缓冲机制的探讨I. 海洋与湖沼, 1999, 30(2): 192-197.]

[12] Yu G H, Martin J M, Zhou J Y. Biochemical study of the Changjiang estuary. In: Proceedings of the International Symposium on Biochemical Study of the Changjiang Estuary and Its Adjacent Coastal Waters of the East China Sea. Beijing: Ocean Press, 1990. 898.

[13] Liu Min, Lu Min, Xu Shiyuan et al. Phosphorus species in aquatic sediments at the Yangtze Estuary and Shanghai coast. Earth Science Frontier, 2000, 7(Suppl.): 94-98.
[刘敏, 陆敏, 许世远等. 长江河口及其上海滨岸水体沉积物中磷的存在形态. 地学前缘, 2000, 7(增刊): 94-98.]

[14] Liu Min, Hou Lijun, Xu Shiyuan et al. Nitrogen and phosphorus diffusive fluxes at sediment-water interface from estuarine tidal flats. Marine Environmental Science, 2001, 20(3): 19-23.
[刘敏, 侯立军, 许世远等. 河口滨岸滨岸潮滩沉积物-水界面N、P的扩散通量. 海洋环境科学, 2001, 20(3): 19-23.]

[15] Han Wuying. The investigation manual on chemical elements in sea water. Beijing: Ocean Press, 1986. 33.
[韩舞鹰编. 海水化学要素调查手册. 北京: 海洋出版社, 1986. 33.]

[16] Xie Xianqun, Wang Lijun. Observation and analysis of water environment factors. Beijing: China Standard Press, 1998. 56-57.
[谢贤群, 王立军. 水环境要素观测与分析. 北京: 中国标准出版社, 1998. 56-57.]

[17] Nanjing Agriculture College. Agricultural and Chemical Analysis of Soil. Beijing: Agriculture Press, 1980. 33-239.
[南京农学院主编. 土壤农化分析. 北京: 农业出版社, 1980. 33-239.]

[18] Lin Ronggen, Wu Jingyang. The phosphate adsorption on and release from sediments in Huanghe Estuary. Acta Oceanology Sinica, 1994, 16(4): 82-90.
[林荣根, 吴景阳. 黄河口沉积物对磷酸盐的吸附与释放. 海洋学报, 1994, 16(4): 82-90.]

[19] Zhao Hongbin, Liu Liansheng, Zhang Zhengbin. Anion exchange of solid ion with phosphate in sea water: the V shape curve between pH and exchanging rate of solid ion with phosphate in sea water. Limnol. Oceanogr., 1997, 28(3): 294-301.
[赵宏宾, 刘莲生, 张正斌. 海水中磷酸盐在固体离子上阴离子交换作用—海水中磷酸盐-固体离子相互作用的V形交换率-pH曲线. 海洋与湖沼, 1997, 28(3): 294-301.]

[20] Strirling H P, Wormald A P. Phosphate/sediment interaction in Tolo and Long Harbours, Hongkong, and its role in estuarine phosphorus availability. Estua. Coast Mar. Sci., 1977, 5: 631-642.

[21] Tanaka K. Phosphate adsorption and desorption by the sediment in Chikugo River Estuary, Japan. Bull. Seilai Reg Fish Res. Lab., 1988, 66: 1-12.

Phosphate Adsorption Characteristics of Tidal Flat Surface Sediments and Its Environmental Effect from the Yangtze Estuary

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