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Influence Of Impurity Ions On Rice Husk Combustion, L Xiong, K Saito, E H. Sekiya, P Sujaridworakun, S Wada
Influence Of Impurity Ions On Rice Husk Combustion, L Xiong, K Saito, E H. Sekiya, P Sujaridworakun, S Wada
Journal of Metals, Materials and Minerals
Rice husk (RH) contains various impurity ions such as K+ , Al3+, Fe3+, Mnn+ (n = 2 - 4), and P-containing acid ions. In the present work, some of their oxides, formed in RH combustion, were found to exert a strong influence on the middle- and late stages of RH combustion, and consequently, strongly affected the structure and properties of the final ash. Very recently, we proved for the first time that the existence of the transition metallic ions in rice husk can lead to a decrease of about 70°C in the terminal combustion temperature (Ttc) of RH. This catalytic …