Abstract

Multi-generation energy systems that rely on biomass present a hopeful answer to the challenge of sustainable energy production. The availability and accessibility of rice straw as an energy source make it a feasible source for clean energy production. Therefore, this study develops a model for a multi-generational energy system centered on the utilization of rice straw. This system produces fuel, power, heating, and freshwater triggered by an air-gas turbine cycle. To achieve optimal system performance, a response surface methodology is utilized for multi-objective optimization. The system's emission and efficiency are also taken into account during the assessment of its overall performance. This ensures that all factors are considered and the system performs at its best. Also, power production, air heating rate, hydrogen production, oxygen storage, and freshwater are also evaluated in details. The system successfully produced 2.08 kg/h and 16.5 kg/h biohydrogen and biooxygen, respectively. Surprisingly, the output power, produced fresh water, and hot air capacity were 283.9 kW, 159.2 l/h, and 4915 m3/h, respectively. It was turned out that the implementation of poly-generation framework triggered by rice straw is a strength and consistent scheme in terms of sustainability and efficiency.

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