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Potential alternatives of heat and power technology application using rice straw in Thailand

Tritib Suramaythangkoor and Shabbir H. Gheewala

Applied Energy, 2010, vol. 87, issue 1, 128-133

Abstract: Rice straw could be used for heat and power with the current technologies available in Thailand. The cost of rice straw for power generation at 0.38-0.61 Baht/MJe (at rice straw price 930-1500 Baht/t) is not competitive with coal at 0.30 Baht/MJe but comparable with other biomass at 0.35-0.53 Baht/MJe. However, utilization of rice straw in industrial boilers is a more competitive and flexible option with two alternatives; (1) installing rice straw fired boilers instead of heavy oil fired or natural gas ones when selecting new boilers; and (2) fuel switching from coal to rice straw for existing boilers with cost saving of feedstock supply by 0.01 Baht/MJh. Based on its properties (Slagging index, Rs = 0.04; fouling index, Rf = 0.24), rice straw is not expected to have significant operating problems or different emissions compared with wheat straw and rice husk under similar operating conditions.

Keywords: Rice; straw; Power; plant; Industrial; boiler; Fuel; cost; Thailand (search for similar items in EconPapers)
Date: 2010
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