水质模拟模型在提升排水接头和确定混合区方面的性能

IF 5.7 3区 环境科学与生态学 Q1 WATER RESOURCES
Talaat El-Gamal, Asmaa Agrama
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引用次数: 0

摘要

有限的水资源和逐渐增加的用水需求导致埃及更加依赖排水这种非常规水资源。然而,在利用这种资源方面并没有准确的方法。由于排水沟水质恶化,许多地方停止将排水提升至主干渠,而农民则完全依赖受污染的排水。这意味着应用数学模型的重要性,这些模型可为依赖排水提供精确、灵活的替代方案。这一程序可以节省用于提升站的巨额投资,同时减轻对环境的危害。康奈尔混合区专家系统(CORMIX)模型就是这些数学模拟模型之一。该研究使用地表排放子模型(CORMIX3),通过调查生化需氧量(BOD)和溶解固体总量(TDS),确定了来自 Mehalet Rough 排水沟的提升排水与 Mit Yazid 运河淡水之间的混合区。模拟结果证实,这两个调查参数符合埃及第 48/1982 号法律规定的水质标准。生物需氧量(BOD)在 448.36 米(723 秒)后达到标准值,总溶解固体(TDS)在 4.46 米(7.8 秒)后达到标准值。这是首次在埃及灌溉领域应用该模型,其结果对确定埃及排水再利用的精确方法大有裨益。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Performance of water quality simulation model for lifting drainage water joints and mixing zone determination

Performance of water quality simulation model for lifting drainage water joints and mixing zone determination

Limited water resources with gradual increase in water demand led to higher dependence on drainage water as one of the non-conventional water resources in Egypt. However, there was no precise approach for using such resource. The practices ranged between stopping lifting drainage water to main canals at many locations due to the water quality degradation in the drains and pure dependence on polluted drainage water by farmers. This implies the importance of applying the mathematical models that provide precise and flexible alternative for the dependence on the drainage water. This procedure could save the big investments that were used in the lifting stations while mitigating the environmental hazards. Cornell Mixing Zone Expert System (CORMIX) model is one of these mathematical simulation models. The study used surface discharge sub-model (CORMIX3) to define the mixing zone between the lifted drainage water from Mehalet Rough drain and the freshwater in Mit Yazid canal, by investigated biochemical oxygen demand (BOD) and total dissolved solids (TDS). The simulation results verified that the two investigated parameters met WQ standards for the Egyptian law 48/1982. BOD standard value was met after 448.36 m, in 723 s. TDS standard value was met after 4.46 m, in 7.8 s. This was far ahead of the first municipal station regardless low quality of these parameters in the drain. This is the first time to apply this model in the irrigation sector in Egypt, and the results were promising for defining the precise approach to reuse the drainage water in Egypt.

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来源期刊
Applied Water Science
Applied Water Science WATER RESOURCES-
CiteScore
9.90
自引率
3.60%
发文量
268
审稿时长
13 weeks
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