Modeling trihalomethane formation for Jabal Amman water supply in Jordan

被引:28
作者
Al-Omari A. [1 ]
Fayyad M. [1 ]
Qader A.A. [2 ]
机构
[1] Water Environ. Res. and Stud. Ctr., University of Jordan, Amman
[2] Department of Chemistry, University of Jordan, Amman
关键词
Chlorine modeling; Distribution systems; Drinking water quality; Trihalomethane modeling;
D O I
10.1007/s10666-005-3334-4
中图分类号
学科分类号
摘要
A mathematical model that expresses Total trihalomethane (TTHM) concentration in terms of initial chlorine concentration, total organic carbon, bromide ion concentration, contact time, and pH is developed for Zai water treatment plant which supplies water to Jabal Amman. The developed mathematical model is for constant temperature of 20°C. To adjust model calculated TTHM concentrations for temperatures other than 20°C, another mathematical model that expresses TTHM growth rate as function of temperature is also developed. To test the ability of the two developed models in predicting TTHM concentrations throughout water supplies, a sampling program that aimed at measuring TTHM concentrations in addition to the predictors in the two developed mathematical models namely; chlorine concentration, bromide ion concentration, total organic carbon, temperature and pH throughout Jabal Amman water supply was conducted. The two developed mathematical models and WaterCad, which was used to determine water age, were used to predict TTHM concentrations throughout Jabal Amman water supply. Predicted TTHM concentrations were compared to actual TTHM concentrations measured during the sampling program. Results showed that there is good agreement between measured and, calculated TTHM concentrations, which means that the method presented in this paper, can be used to obtain good estimates of TTHM concentrations throughout networks. © 2004 Kluwer Academic Publishers.
引用
收藏
页码:245 / 252
页数:7
相关论文
共 35 条
[1]  
Gary N., Drinking Water Quality, Problems and Solutions, (1994)
[2]  
Rook J., Formation of haloforms during chlorination of natural waters, Water Treat. Examiners, 23, 2, pp. 234-243, (1974)
[3]  
Bellar T., Lichtenberg J., Kroner R., The occurrence of organohalides in chlorinated waters, J. AWWA, 66, 12, pp. 703-706, (1974)
[4]  
Symons J., Bellar T., Carswell J., DeMarco J., Kropp K., Robeck G., Seeger D., Slocum C., Smith B., Stevens A., National organic reconnaissance survey for halogenated organics, J. AWWA, 67, 11, pp. 634-648, (1975)
[5]  
White G., Handbook of Chlorination and Alternative Disinfectants, (1999)
[6]  
Clark R., Pourmoghaddas H., Wymer L., Dressman R., Modeling the kinetics of chlorination by-products formation: The effects of bromide, J. SRT-aqua, 45, 3, pp. 112-119, (1996)
[7]  
Guidelines for Drinking Water Quality, Vol. 2: Health Criteria and Other Supporting Information, 2, (1984)
[8]  
Elshorbagy W., Kinetics of THM species in finished water, J. Water Resources Planning and Management, 126, 1, pp. 21-28, (2000)
[9]  
Cooper W., Meyer L., Bofill C., Cordal E., Quantitative effects of bromine on the formation and distribution of trihalomethanes in ground water with a high organic content, Water Chlorination: Environmental Impact and Health Effects, 3, pp. 285-296, (1978)
[10]  
Minear R., Bird J., Trihalomethanes: Impacts of bromide ion concentration on yield, species distribution, rate of formation, and influence of other variables, Water Chlorination: Environmental Impact and Other Health Effects, 3, pp. 151-160, (1978)