And, Sousa-Coutinho 2013).Rice husk ash (RHA) is a natural.Agricultural waste from rice mill factories and.Contains pozzolanic material. Rice mill factories.Create a waste product called raw husk which is.Used as heating fuel in rice mill processing and.Produces the RHA as a byproduct from the burnt.Raw husk. Office of Agricultural Economics of.Thailand (2013) reported an annual rice production.Of approximately 30 million T of which more than.20% becomes raw husk. As this husk, is firedApproximately 25% RHA is generated though the,,Amount of RHA varies considerably according to.The, heating process burning temperature and rice.Type (Koteswara et al, 2011).
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