Combustion behaviour of rice husk in a bubbling fluidised bed

L. Armesto (Corresponding Author), A. Bahillo, Kati Veijonen, A. Cabanillas, J. Otero

Research output: Contribution to journalArticleScientificpeer-review

231 Citations (Scopus)


The combustion of agro-industrial wastes in power plant seems to be an attractive possibility for the future.
In Spain, the food industry generates around 618,000 tonnes of rice husk annually. The rice production is geographically focused in three regions: Valencia, Andalucia and Delta del Ebro. The rice husk is a suitable fuel for the fluidised bed combustors.

An experimental combustion work using the rice husk as fuel was performed in a atmospheric bubbling fluidised bed pilot plant of CIEMAT.
The influence of different variables such as temperature, fluidisation velocity on the combustion efficiency and CO emissions was investigated.
Combustion efficiency in all test runs was higher than 97%. The characteristics of ash removed from the bed, cyclones and baghouse were studied. In the bed ashes, the potassium content increases along the operation hours.
Original languageEnglish
Pages (from-to)171-179
JournalBiomass and Bioenergy
Issue number3
Publication statusPublished - 2002
MoE publication typeA1 Journal article-refereed


  • rice husk
  • fluidized beds
  • fluidized bed combustion
  • potassium
  • combustion efficiency


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