埃及气候条件下利用改进型Maxsorb III吸附剂的太阳能吸附脱盐冷却系统的成本分析

IF 6.2 2区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

alexandria engineering journal Pub Date : 2025-05-02 DOI:10.1016/j.aej.2025.04.038

Ehab S. Ali , Ahmed S. Alsaman , Ahmed A. Askalany , A.M. Farid , Mohamed Ghazy , Ridha Ben Mansour , Rached Ben-Mansour , Wael M. El-Maghlany , Mohamed Hamam M. Tawfik

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引用次数: 0

摘要

本研究考察了在埃及气候条件下，使用几种活性炭（生Maxsorb III、Maxsorb III/HCl、Maxsorb III/(NH4)2CO3和Maxsorb III/CaCl2）的年度吸附脱盐系统的性能和经济评价。比较了带冷凝器/蒸发器热回收和不带冷凝器/蒸发器热回收的吸附式海水淡化系统的性能。利用MATLAB和TRNSYS对热区气候数据进行建模。结果表明，Maxsorb III/CaCl2体系表现出较好的吸附性能，而原料Maxsorb III的吸附效果最差。结果表明，Maxsorb III/CaCl2系统在不进行热回收的情况下，比日产量最高，为25.4 m3/t，而在进行热回收的情况下，比日产量可提高到36.7 m3/t，在最佳循环时间为700 s时，比日产量可达到0.76。Maxsorb III/CaCl2系统是生产淡化水最具成本效益的方法。用余热代替太阳能可以减少开支。6月份，太阳能和废热的无热回收循环成本分别为4.62美元/立方米和0.9美元/立方米。热回收循环的成本降至4.25美元/立方米和0.65美元/立方米。

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Cost analysis for solar-powered adsorption desalination-cooling system utilizing improved Maxsorb III adsorbents under Egypt weather conditions

This study investigates performance and economic evaluation of an annual adsorption desalination system utilizing several activated carbons (raw Maxsorb III, Maxsorb III/HCl, Maxsorb III/(NH₄)₂CO_3, and Maxsorb III/CaCl₂) in the context of Egyptian climatic conditions. A comparison is made between the performance of the adsorption desalination system with and without heat recovery from the condenser/evaporator. MATLAB and TRNSYS are used to carry out the model using climatic data of the hot region. The results revealed that the Maxsorb III/CaCl₂ system exhibits superior performance, whereas the raw Maxsorb III demonstrates the least efficacy among the investigated adsorbent materials. The results indicated that the Maxsorb III/CaCl₂ system provided the most significant specific daily water production value of 25.4 m³/ton without heat recovery, while it could be increased to (36.7 m³/ton) with heat recovery, achieving a gained output ratio of 0.76 at the optimal cycle time 700 s. The Maxsorb III/CaCl₂ system had the most cost-effective method for producing desalinated water. Using waste heat instead of solar energy leads to reduced expenses. The costs for cycles without heat recovery in June were 4.62 and 0.9 $/m³ for solar energy and waste heat, respectively. The cost of heat recovery cycles decreased to 4.25 and 0.65 $/m³.

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来源期刊

alexandria engineering journal Engineering-General Engineering

CiteScore

11.20

自引率

4.40%

发文量

1015

审稿时长

43 days

期刊介绍： Alexandria Engineering Journal is an international journal devoted to publishing high quality papers in the field of engineering and applied science. Alexandria Engineering Journal is cited in the Engineering Information Services (EIS) and the Chemical Abstracts (CA). The papers published in Alexandria Engineering Journal are grouped into five sections, according to the following classification: • Mechanical, Production, Marine and Textile Engineering • Electrical Engineering, Computer Science and Nuclear Engineering • Civil and Architecture Engineering • Chemical Engineering and Applied Sciences • Environmental Engineering