Tar thermal cracking via microwave reactor
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Date
2017-05
Authors
Arif Izzuddin Bin Muhammad
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Abstract
The major problem for the extraction of SG from biomass is the tar contamination. The tar may cause serious problem in the piping system such as blockage and etc. To overcome this issue, tar cleaning by thermal cracking via microwave reactor was conducted. A downdraft gasifier was selected and characterized. From the characterization of gasifier experiment, it was found that the best air flow rate for the experiment was 160 lpm because it had the highest LHV. The SG produced was flown through an industrial microwave and heated for tar cracking. The best temperature to be use was 1250 °C. This two parameters had been proven to produce clean SG with low tar content and tar conversion efficiency of about 91%. The cooling system managed to reduce SG temperature from 750 °C after the thermal cracking process to 57 °C where all the water vapor had been condensed before SG was compressed.