Hydrogen Gas Production from Gasification of Oil Palm Empty Fruit Bunch (EFB) in a Fluidized Bed Reactor
DOI:
https://doi.org/10.11113/jest.v2n1.42Keywords:
Renewable energy, EFB, Hydrogen, Fluidized bed reactor, Aspen plusAbstract
Malaysia is one of the largest producers of palm oil and this industry plays an important role in Malaysia economic growth. As this industry grows larger, a significant amount of oil palm waste is generated, creating the problem of overloading biomass waste. Since the oil palm waste has many significant uses such as empty fruit bunches (EFB), the interest in production of hydrogen gas as the renewable energy from EFB also increases. The most common and favorable thermochemical processes to produce the hydrogen gas is gasification process in fluidized bed reactor. Regardless of tremendous experimental studies done on effectiveness of using EFB for production of hydrogen, the process implementation in industry is still discouraging. This is due to lack of proven technology and high capital cost of investment. In this study, a computational modeling was developed for EFB gasification in fluidized bed gasifier using the ASPEN PLUS simulator (v. 8.8) to optimize the gasification temperature, pressure and to study the different of chemical behavior. The results indicated that increase in temperature will increases the production of hydrogen and enhances carbon conversion efficiency. The optimum temperature and pressure was 850 °C and 1.035 bar respectively. The result shows that the char was removed significantly after several gas cleaning process. The final product for purified hydrogen gas is 14.5 kg/hr which is around 21% of hydrogen yield. Based on the result, it indicates that EFB has a potential to be used as a source of energy in a future.
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