| Issue |
E3S Web Conf.
Volume 67, 2018
The 3rd International Tropical Renewable Energy Conference “Sustainable Development of Tropical Renewable Energy” (i-TREC 2018)
|
|
|---|---|---|
| Article Number | 02041 | |
| Number of page(s) | 6 | |
| Section | Bioenergy | |
| DOI | https://doi.org/10.1051/e3sconf/20186702041 | |
| Published online | 26 November 2018 | |
Experimental Investigation of Double Stage Air Intake in Throat-less Downdraft Biomass Gasifier
1
Department of Mechanical Engineering, Universitas Indonesia, Kampus UI Depok 16424, Indonesia
2
Indonesia Endowment Fund for Education (LPDP), Ali Wardhana Building, Ministry of Finance, Jakarta 10710, Indonesia
Indonesia has a huge potential rice husk waste of 150 GJ/year, a third more than the overall potential of biomass in Indonesia of 470 GJ/year. Gasification of small-scale biomass fixed bed downdraft becomes one of the best solutions to become energy for power and heat generation. From studies that have been conducted abroad and from previous studies, the use of double stage air intake on the reactor proved effective in reducing tar because tar formed from the pyrolysis zone must pass through two zones below before then out with the gas producer. Implementation of secondary air intake at position Z = 38 cm right on the pyrolysis zone, obtained results at ER 0.25. With the same size, as much as 80.82% with tar content on the producer gas of 11.62 grams/Nm3. While at ER 0.23 figures found the highest gasification efficiencvby 33.41%.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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