Cost analysis for combustion of rice husk in a fluidized bed combustion

Otto During, Silu Bhochhibhoya, Ramesh K. Maskey

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    Abstract

    The main aim of this study is to analysis the life cycle cost of utilizing the rice husk in a Fluidized Bed Combustion (FBC) for the electricity, heat and rice husk ash (RHA) production. The cost associated with investment cost, operation and management cost, fuel cost and electricity production cost were calculated. Different capacity range from 0.9, 1.25, 2.5, 5, 10 MWe of installed electricity production capacity in Fluidized Bed Combustion were calculated. The cost associate with full, half and quarter unit running of BFB to generate electricity were analysed. The investment cost for installing 40MWe of BFB is 64 million dollar and the annual operating and maintenance (O&M) cost is 16 million dollar. The fuel cost using RH is 2.94 million dollar producing 81 tonnes of RHA. The result shows that 350 GWh annual energy can be produced in 40 MWe BFB using rice husk, which gradually decreases with decreasing the installed capacity. Further study on cost analysis of utilizing the rice husk as electricity and RHA production is suggested by repeating the applied method by using more detailed price. The use of rice husk can provide an opportunity to expand energy resources that can save fuel cost as well as income through sales and surplus electricity to the national grid.
    Original languageEnglish
    Title of host publication4° Congreso de Ingeniería, Ciencia y Gestión Ambiental AMICA - 5th International Conference of Greening of Industry Network
    Subtitle of host publication28, 29 y 30 de octobre de 2019, Instituto de Ingeniería de la UNAM, Ciudad de México
    Place of PublicationCiudad de México
    PublisherUNAM, Instituto de Ingeniería
    Pages493-499
    Publication statusPublished - Oct 2019
    Event4th Congress of Engineering, Science and Environmental Management and 5th International Conference of Greening of Industry Network, AMICA 2019 - Mexico City/Ciudad de México, Mexico
    Duration: 28 Oct 201930 Oct 2019

    Conference

    Conference4th Congress of Engineering, Science and Environmental Management and 5th International Conference of Greening of Industry Network, AMICA 2019
    Abbreviated titleAMICA
    CountryMexico
    CityMexico City/Ciudad de México
    Period28/10/1930/10/19

    Keywords

    • Life cycle cost
    • Fuel cost
    • Rice husk ash
    • Electricity production
    • Rice husk
    • Bubbling fluidized bed

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  • Cite this

    During, O., Bhochhibhoya, S., & Maskey, R. K. (2019). Cost analysis for combustion of rice husk in a fluidized bed combustion. In 4° Congreso de Ingeniería, Ciencia y Gestión Ambiental AMICA - 5th International Conference of Greening of Industry Network: 28, 29 y 30 de octobre de 2019, Instituto de Ingeniería de la UNAM, Ciudad de México (pp. 493-499). [ID 551] Ciudad de México: UNAM, Instituto de Ingeniería.