Abstract
In this chapter, we study two integrated systems for hydrogen and cooling productions. The first system is a combination of solar PV/T, quadruple effect absorption cooling system, and an electrolyzer, while the other is a combination of solar PV/T, quadruple effect absorption cooling system, and a steam methane reformer. Detailed exergetic, environmental impact and sustainability assessments are conducted to investigate which one of these integrated systems is more environmentally benign. It is noted that the month of July in the United Arab Emirates (UAE) is most beneficial from both exergetic and environmental impact point of views for both systems. For the month of July, the environmental impact factor, environmental impact coefficient, environmental impact index, environmental impact improvement, exergetic stability factor, and exergetic sustainability factor for the first system are obtained to be 0.78, 4.65, 3.65, 0.27, 0.21, and 0.058, respectively. However for the second system for the month of July environmental impact factor, environmental impact coefficient, environmental impact index, environmental impact improvement, exergetic stability factor, and exergetic sustainability factor are found to be 0.93, 14.96, 13.96, 0.07, 0.06, and 0.004, respectively. The results show that the first system performs much better than the second one from both exergetic and environmental impact perspectives.
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