Rice Polishing

Production of white rice involves the milling of the rice seed to remove the chaff which produces brown rice, followed by further finishing to remove the bran i.e. the rest of husk, thereby producing white rice. The milling is done is a roller machine which consists of revolving cylindrical stone coated with a paste of abrasive mineral and sorel cement (Mg(OH)2 and MgCl2) in a proportionate amount of water.