Water quality assessment and reuse potential of groundwater combined saline solution for irrigation

IF 1.6 Q3 WATER RESOURCES

Water Practice and Technology Pub Date : 2023-03-04 DOI:10.2166/wpt.2023.030

Ammari Abdessattar, S. Kateb

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引用次数: 1

Abstract

This study aims to evaluate the water quality and reuse potential of groundwater combined with a saline solution for irrigation. The brine dilution process was done by adding groundwater by determining the total dissolved salts (TDS) value according to the irrigation criteria and then by calculating the amount of groundwater to be added using the law of concentrations to obtain the water mixture, as the TDS value decreased from 4922 and 3810 mg/l to 2587 and 2200 mg/l, respectively. The assessment aimed to determine the suitability of the water for irrigation, and the quality indices used were sodium adsorption ratio, magnesium hazard ratio percentage, sodium percentage, residual sodium carbonate, permeability index, Kelly index, and irrigation water quality index. The results indicated that the water after mixing is suitable for irrigation. The USSL diagram was used to evaluate the post-mixing water at two stations, Touggourt and El-Oued, and the results showed that the post-mixing water at Touggourt falls in the C4–S1 group (extremely high salinity with low sodium), and the post-mixing water at El-Oued falls in the C4–S2 group (very high salinity with medium sodium).

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地下水复合盐水灌溉的水质评价及回用潜力

本研究旨在评估地下水与盐水结合灌溉的水质和再利用潜力。盐水稀释过程是通过根据灌溉标准确定总溶解盐（TDS）值来添加地下水，然后通过使用浓度定律计算要添加的地下水量来获得水混合物，因为TDS值分别从4922和3810 mg/l降至2587和2200 mg/l。评估旨在确定灌溉用水的适宜性，使用的质量指标为钠吸附率、镁危害率、钠百分比、残留碳酸钠、渗透性指数、凯利指数和灌溉水质指数。结果表明，混合后的水适合灌溉。USSL图用于评估Touggourt和El Oued两个站点的后混合水，结果显示，Touggour特的后混合用水属于C4–S1组（盐度极高，钠含量较低），El Oueed的后混合水量属于C4–S2组（盐度很高，钠含量中等）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Water Practice and Technology WATER RESOURCES-

CiteScore

2.30

自引率

6.20%

发文量

136

审稿时长

14 weeks