Improved productivity of seawater desalination systems through humidification–dehumidification process integrated with renewable and fogging technologies in a lowest cost

IF 5.7 3区 环境科学与生态学 Q1 WATER RESOURCES
Ibrahim Nabil, Mohamed M. Khairat Dawood, Tamer M. Mansour, Ali I. Shehata, Abdalla M. Abdalla
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Abstract

Water desalination using renewable energy with a cooling system integrated with a fogging technique has recently made significant advancements. This study investigates the influence of the fogging technique on improving the process of HDH water desalination integrated with a cooling system. An experimental study investigated how operational factors like the mass flow rate ratio, feed water temperature, feed water salinity, cooling water temperature, and nozzle orifice diameter affected the salinity of the produced water, freshwater productivity, and GOR. The fogging system achieves maximum productivity of 25.08 L/h and 25.39 L/h when employing nozzles with orifice sizes of 0.3 mm for feed water salinity levels of 34,000 ppm and 12,000 ppm, respectively. The greatest GOR was achieved by utilizing a nozzle orifice of 0.3 mm, resulting in GOR values of 8.79 and 8.84 for concentrations of 34,000 ppm and 12,000 ppm, respectively. The salinity of the produced water reaches 1500 ppm and 500 ppm when the fog is created at a temperature of 80 °C, with feed water salinity levels of 34,000 ppm and 12,000 ppm, respectively. The fogging nozzle’s size directly affects the generated water’s salinity. When the size of the fogging nozzle reduces from 0.3 to 0.1 mm, the salinity decreases by about 34.8% and 33.3% for 34,000 ppm and 12,000 ppm, respectively. This pattern indicates that the water’s salinity decreases as the nozzle’s diameter decreases. Nevertheless, under identical circumstances, water productivity declined by 56% and 55% at 34,000 ppm and 12,000 ppm, respectively. The water production cost was 0.0268–0.0088 ($/liter). The study concludes that the salinity of the generated water reduces as the feed water temperature increases and the nozzle size decreases. In contrast, water productivity, GOR, and lower cost are enhanced using a larger nozzle.

通过将加湿-除湿工艺与可再生和雾化技术相结合,以最低成本提高海水淡化系统的生产率
利用可再生能源和冷却系统结合雾化技术的海水淡化最近取得了重大进展。本研究探讨了雾化技术对改进带冷却系统的HDH海水淡化工艺的影响。实验研究了质量流量比、进水温度、进水盐度、冷却水温度和喷嘴孔径等操作因素对采出水盐度、淡水产能和GOR的影响。当进水盐度分别为34000 ppm和12000 ppm时,采用孔径为0.3 mm的喷嘴,雾化系统的最大生产率分别为25.08 L/h和25.39 L/h。当使用0.3 mm的喷嘴孔时,获得了最大的GOR值,在浓度为34,000 ppm和12,000 ppm时,GOR值分别为8.79和8.84。当雾在80°C的温度下形成时,采出水的盐度分别达到1500 ppm和500 ppm,而给水的盐度分别为34,000 ppm和12,000 ppm。雾化喷嘴的大小直接影响生成水的盐度。当雾化喷嘴尺寸从0.3 mm减小到0.1 mm时,在34000 ppm和12000 ppm浓度下,矿化度分别下降34.8%和33.3%。这种模式表明,水的盐度随着喷嘴直径的减小而降低。然而,在相同的条件下,当浓度为34000 ppm和12000 ppm时,水生产力分别下降了56%和55%。产水成本为0.0268 ~ 0.0088美元/升。研究表明,随着进水温度的升高和喷嘴尺寸的减小,生成水的矿化度降低。相比之下,使用更大的喷嘴可以提高水生产率、GOR和更低的成本。
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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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