Simulation of Oxygen-Steam Gasification for Hydrogen Production from Date Pits

Abstract:

The need to find a renewable and sustainable energy has transformed into a demand due to the depletion of fossil fuel, and more importantly, the greenhouse gasses concerns. Hydrogen is a one of the clean and sustainable energy source. In addition, hydrogen used as raw material in industries, such as fertilizer plant, refinery and methanol production plant. Hydrogen has the potential as a clean energy carrier and the date pits availability in Saudi Arabia, the gasification of date pits is proposed. This work focused on developing a flowsheet to evaluate the feasibility of producing hydrogen from the gasification of date pits via a simulation work in Aspen Hysys. Using the simulation model, a study has been made to investigate the effects of temperature and steam/biomass ratio on the product gas, hydrogen yield and carbon conversion. The model has been also validated with literature and showed good agreement. The favorable temperature of the gasifier for high hydrogen yield is predicted to be in the range of 845-910°C. Based on the results, at temperature is 850°C and steam/biomass ratio of 0.8, maximum conversion and hydrogen yield achieved.

• Periodical: Advanced Materials Research (Volume 1113)
• Pages: 654-659
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1113.654
• Online since: July 2015
• Authors: Ahmed A Al-Ghamdi*, Abrar Inayat
• Keywords: Biomass, Date Pits, Gasification, Hydrogen, Simulation

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