washed oil contains traces of soap, iron and a small amount of phospholipids and carotenes, these contaminantes are undesirable and required to be removed in bleaching operation, aew's specially designed steam agitated bleachersis based on separate oil and earth mixing device with mechanical mixer (this arrangement ensures no carryover of bleaching earth into vacuum system), with an extra facility to add any other chemical. Regent main bleaching vessel and hermetic filters. Our bleaching plants requires less maintenance and provides effective bleaching operations.