Integrated 4E evaluation and optimization of a hybrid solar–biogas gas turbine system for sustainable hydrogen and desalinated water production

IF 5.4 3区工程技术 Q2 ENERGY & FUELS

Thermal Science and Engineering Progress Pub Date : 2025-09-11 DOI:10.1016/j.tsep.2025.104089

Abdulilah Mohammad Mayet , Amjad Ali , Ibrahim H. al-Kharsan , Barno Abdullaeva , M.K. Aravindan , Jasgurpreet Singh Chohan , P. Raja Naveen , Ashwin Jacob , Salman Arafath Mohammed , Mohammed Abdul Muqeet

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引用次数: 0

Abstract

Hybrid energy integration into gas turbine cycles (GTC) has gained attention in recent years, as it improves efficiency and reduces the drawbacks of relying on a single energy source, such as intermittency or high emissions. In this study, a hybrid configuration employing a solar power tower (SPT) and a biogas-fueled combustion chamber is proposed to drive a GTC. The system utilizes the waste heat from the GTC through a combination of an organic Rankine cycle (ORC), a heat recovery steam generator, and a modified Kalina cycle (MKC). Additionally, residual heat from the ORC and MKC is further recovered by a thermoelectric generator and an absorption chiller to enhance overall energy utilization. The electricity generated by the ORC and MKC is directed to a proton exchange membrane electrolyzer and a reverse osmosis desalination unit for the co-production of hydrogen and freshwater, effectively transforming the system into a novel poly-generation layout. A comprehensive mathematical model is developed to evaluate the system from energy, exergy, exergoeconomic, and environmental perspectives. The influence of key parameters on system performance is analyzed, followed by a multi-objective optimization targeting maximum exergy efficiency and minimum total cost rate. In the base scenario, the SPT represents the dominant component in the system, contributing 68.33 % to overall exergy destruction, 75.62 % to the total initial cost, and 68.93 % to the cost associated with exergy destruction. Optimization results yield an exergy efficiency of 30.491 % and a total cost rate of 5832.14 $/h, showing improvements of 4.3 % and 1.8 %, respectively, compared to base case outputs. Under optimal conditions, the system delivers 20,632 kW of electricity, 33,201 kW of heating, 3,003 kW of cooling, along with 6.399 kg/h of hydrogen and 16.07 kg/s of freshwater. Compared to existing designs, the proposed hybrid SPT–biogas GTC configuration demonstrates enhanced efficiency and cost-effectiveness, confirming its potential for integrated production of power, heat, cooling, hydrogen, and desalinated water.

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用于可持续制氢和淡化水的混合太阳能-沼气燃气轮机系统的集成4E评估和优化

近年来，燃气轮机循环（GTC）的混合能源集成引起了人们的关注，因为它提高了效率，减少了依赖单一能源的缺点，如间歇性或高排放。在这项研究中，提出了一种采用太阳能发电塔（SPT）和沼气燃料燃烧室的混合配置来驱动GTC。该系统通过有机朗肯循环（ORC）、热回收蒸汽发生器和改进的Kalina循环（MKC）的组合利用GTC的余热。此外，ORC和MKC的余热通过热电发电机和吸收式制冷机进一步回收，以提高整体能源利用率。ORC和MKC产生的电力被引导到质子交换膜电解槽和反渗透海水淡化装置，用于联合生产氢气和淡水，有效地将系统转变为一种新的多产布局。建立了一个综合的数学模型，从能源、能源、能源经济和环境的角度来评估该系统。分析了关键参数对系统性能的影响，并以最大的火用效率和最小的总成本率为目标进行了多目标优化。在基本方案中，SPT是系统中的主要组成部分，占总火用破坏的68.33%，占总初始成本的75.62%，占与火用破坏相关的成本的68.93%。优化结果产生的火用效率为30.491%，总成本率为5832.14美元/小时，与基本情况的输出相比，分别提高了4.3%和1.8%。在最佳条件下，该系统可提供20,632 kW的电力，33,201 kW的供暖，3,003 kW的制冷，以及6.399 kg/h的氢气和16.07 kg/s的淡水。与现有设计相比，提出的混合spt -沼气GTC配置显示出更高的效率和成本效益，证实了其集成生产电力、热量、冷却、氢气和淡化水的潜力。

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来源期刊

Thermal Science and Engineering Progress Chemical Engineering-Fluid Flow and Transfer Processes

CiteScore

7.20

自引率

10.40%

发文量

327

审稿时长

41 days

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