COMPUTATIONAL FLUID SIMULATION OF SELF BED FEEDSTOCK IN RICE HUSK BUBBLING FLUIDIZED BED GASIFICATION

Mummayyis Pramono, Hafif Dafiqurrohman, Kania Amelia Safitri, Iwan Setyawan, Adi Surjosatyo

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

Fluidized bed gasifier type is highly efficient gasifier because the overall thermal efficiency typically ranges from 75% to more than 90%, depending on ash content and fuel moisture. The computational study in this research aimed to analyze the temperature distribution, syngas quality and efficiency of self-bed feedstock in bubbling fluidized bed gasifier for lab scale modelling that supports further research. By using Equivalent Ratio (ER) of 0.24-0.45, the CFD simulation results obtained was syngas composition used as parameters. From these parameters, the highest LHV value was 7.77 MJ/Nm3, the highest yield gas was 1.40 m3/kg, and the optimum CGE was 70.18%. This research aimed to approach the urban gasifier model below 5 kW without silica bed for practical using.

Original languageEnglish
Title of host publicationUrban Development and Lifestyle
PublisherNova Science Publishers, Inc.
Pages385-395
Number of pages11
ISBN (Electronic)9781536186314
Publication statusPublished - 1 Jan 2020

Keywords

  • Bubbling fluidized bed gasifier
  • CFD
  • ER
  • Self-bed feedstock
  • Syngas composition

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