全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
湖泊科学  2000 

与高岭石固相平衡的酸性天然地表水中铝的缓冲作用的计算机模拟

DOI: 10.18307/2000.0307

Keywords: 高岭石固相平衡,缓冲作用,酸性天然水,MonteCarlo模拟,计算机模拟

Full-Text   Cite this paper   Add to My Lib

Abstract:

基于质量守恒以及电中性条件,采用化学平衡计算法,计算机模拟研究了高岭石固相平衡的酸性天然地表水中铝的缓冲作用对pH值,酸中和容量ANC和缓冲强度β的影响.讨论了影响酸性地表水pH值估算的各种因素,如溶解硅酸的浓度,溶解总无机碳的浓度,溶解总氟和总有机碳的浓度及温度等.模型被用于实际水样的分析,所得结果与实验值符合较好.用MonteCarlo模拟考察了由于平衡常数的选择以及水化学参数测量误差而带来的不确定性.

References

[1]  Johannessen M. Aluminum, a buffer in acidic water. In: Tollan A, ed. Ecological Impact of Acid Precipitation. SNSF Project, Oslo, 1980. 222
[2]  Davis C W. Ion Association. London: Butterworths, 1962
[3]  Tipping E, Woof C, Hurley M A. Humic Substance in Acid Surface Waters: Modeling Aluminum Binding, Contribution to ionic charge-balance, and control of pH. Water Res, 1991, 25:425-435
[4]  Letterman R D, Asoleakar S R. Surface Ionization of Polynuclear Species in Al ( Ⅲ ) hydrolysis-Ⅰ . A conditional Euqilibrium model. Water Res, 1990, 24:941-948
[5]  Dirscoll C T, Sullivan T J, Michael D, et al. Modeling the acid-base chemistry of organic solutes in Adirondack, New York, lakes. Water Resour Res, 1994, 30:297-306
[6]  Ferna-andez-Sanjurjo M J, Alvarez E, Garcia-Rodeja E. Speciation and solubility control of aluminum in soils development from slates of the river sor watershed(Galicia, NW Spain). Water Air Soil Pollut, 1998, 103:35-53
[7]  Jakub Hrusha, Johnson C E, Paval Kram. Role of organic solutes in the chemistry of acid-impacted bog waters of the western Czech Republic. Water Resour Res, 1996, 35:2841-2851
[8]  黄盘铭.土壤化学.北京:科学出版社,1991.55
[9]  Shuping BI, Wei Yin. Chemical Equilibrium Calculation for Evaluating the Buffering Capacity of Acidic Natural Water Equilibria With the Mineral Phase Gibbsite, Analyst, 1995, 120:2805-2811
[10]  Sposito G. The Environmental Chemistry of Aluminum. 2nd Ed. Boca Raton: CRC Press Inc, 1995
[11]  Stumm W, Morgan J J. Aquatic Chemistry, New York: Wiley-Interscience, 1981
[12]  Achilli M, Ciceri G, Ferraroli R, et al. Aluminum Speciation in Aqueous Solutions. Water Air Soil Pollut, 1991, 57/58:139-148
[13]  Hughes S, Norris D A, Stevens P A, et al . Effect of forest age on surface drainage water soil solution aluminum chemistry in s tagnopodzols in wales. Water Air Soil Pollut, 1994, 77:115-139
[14]  Cronan C S, Dirscoll T, Newton R M, et al. A comparative analysis of aluminum biogeochemistry in a northeastern and a southeastern forest watershed. Water Resour Res, 1990, 7:1413-1430
[15]  Cozzarelli I M, Herman J S, Parnell Jr R A. The mobilization of aluminum in a natural soil system: effects of hydrologic pathways. Water Resour Res, 1987, 23:859- 874
[16]  Feng Liu, Shuping Bi. Speciation of Aluminum in natural waters in equilibriua with the mineral phase kaolinite by chemical equilibrium calculation. Chin Chem Lett, 2000, 11: 279- 282
[17]  Schecter W D, Dirscoll C T. Evaluation of uncertainty associated with the Aluminum equilibrium calculations. Water Resour Res, 1987, 23:525-534

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133