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035 _a.b11777382
099 9 _aAIT Thesis no.ET-99-9
100 1 _aAlbina, Dionel O.
245 1 2 _aA study on biomass combustion in multiple-spouted and spout-fluid beds
260 _aBangkok :
_bAsian Institute of Technology,
_c1999
300 _a90 leaves
490 1 _aThesis ;
_vno. ET-99-9
500 _aA thesis report submitted in partial fulfillment of the requirements for the degree of Master of Engineering, School of Environment Resources, and Development
502 _aThesis (M.Eng.) - Asian Institute of Technology, 1999
520 _aThe objective of the study was to carry out research on combustion of rice husk in a pilot scale multiple-spouted bed as well as a spout-fluid bed. Hydrodynamics of the multiple spouted bed was also studied. The experimental beds were designed and fabricated as a part of the study. It was possible to burn rice husk efficiently in the multiple-spouted bed with both over-bed and under-bed feeding. However, the under-bed feeding was found to give slightly higher combustion efficiency and smoother operation compared with over-bed feeding. In both cases, the efficiency loss due to CO formation was found to be significantly higher than loss due to unburnt carbon in ash. Spout-fluid bed configuration was found to be particularly attractive. It attained a combustion efficiency in the range of 94.44 % to 96.24 %. Concentration of CO in the flue gas from spouted bed combustion was in the range of 0.3 % to 1.5 %, while methane concentration was ranged from 0 to 0.85 %. N20 was not detectable in any of the combustor configurations studied.
650 0 _aFluidization
650 0 _aFluidized-bed combustion
700 1 _aBhattacharya, Sribas C.,
_eChairperson
700 1 _aPham, Hoang Luong,
_eCo-Chairperson
700 1 _aKumar, Sivanappan,
_eExamination Committee
710 2 _aHis Majesty the King of Thailand Scholarship Foundation,
_eScholarship donor
810 2 _aAsian Institute of Technology.
_tThesis ;
_vno. ET-99-9
856 _3Full-Text
_uhttp://203.159.5.9/ait-thesis/detail.php?q=B12032
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