Journal
CASE STUDIES IN THERMAL ENGINEERING
Volume 20, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.csite.2020.100612
Keywords
Electricity; Biomass energy; Power generation; Downdraft gasifier
Categories
Funding
- Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM), Universitas Pendidikan Indonesia, Indonesia [5493/UN40/KP/2019]
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Promoting electricity supply in remote areas and islands by developing power plants using organic waste biomass fuel, is a strategic effort in increasing energy supply. This study aimed at investigating the characteristic of gasification toward air fuel ratio variation, especially the temperature, lower heating value and tar content on the gasification performance with multi integrated gas cleaner systems (IGCS) used as producer gas purification unit. The plant was built with downdraft gasifier and multy IGCS which includes cyclones, rectangular venturi scrubbers, and rotary separators. The experimental investigation were carried out with air fuel ratio parameters at 0.48, 0.5, 0.54, scrubbing water discharge at 1.26, 2.62, 3.33 l/min, and 0.9 rotary separator using a suction speed of 3.4, 4.4 m/s. All parameters were intended to produce clean gas with high heating value, low tar and impurities. The experimental results showed air fuel ratio 0.54 produced the largest gas at lower heating value of 8500 kJ/Nm(3), however the tar content is relatively high at 3788.1 mg/m(3). The installation of multi IGCS reduced the tar to 210.45 mg/m(3) with water discharge of 3.33 l/min and 4.4 m/s suction speed. Therefore, the electrical power generated was 100 W.
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