Rice Husk Ash : Rice milling industry generates a lot of rice husk during milling of paddy which comes from the fields. Rice husk is mostly used as a fuel in the boilers for processing of paddy. Rice husk is also used as a fuel for power generation. Rice husk ash (RHA) is about 25% by weight of rice husk when burnt in boilers. The resultant of burning rice husk is either completely burnt or partially burnt which gives colors ranging from white to grey or black. Rice husk ash got a great demand in Civil, Industrial and Agricultural sectors.
