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Modeling of a gasifier using cycle-tempo for SOFC applications

2019; American Institute of Physics; Volume: 2137; Linguagem: Inglês

10.1063/1.5120206

1935-0465

Sarath Pappinisseri, Priyak Nellikka Kandiyan, Vasanth Parthasarathy, John Tharappel Devasya,

Chemical Looping and Thermochemical Processes

Gasifier-SOFC system is an excellent choice for waste to energy conversion. Optimization of process parameter is an issue faced in such complex energy systems. CYCLE-TEMPO is the world leading software used for thermodynamic analysis of energy systems. In this paper a downdraft gasifier is modelled using CYCLE-TEMPO and process parameter like equivalence ratio are optimized for maximum yield. Three agricultural residues namely coconut shell, rubber wood and bamboo which are locally available were tested as a feed. Gasifier model is validated using a downdraft gasifier experimental setup. Gasifier is then integrated with a SOFC unit. From the simulation carried out it was found that the coconut shell will be the best biomass for quality syngas production at an equivalent ratio of 0.2. But the syngas contain other impurities so that gas cleaning is necessary and the purified syngas can be supplied to the solid oxide fuel cell (SOFC).