The method employed for processing Cashew nuts in study site is "COOKING (STEAM ROASTING) PROCESS".The steam required by the cookers is generated in a vertical fire tube boiler (7kg/cm2 and 50kg/hr.). 25 kilograms of Roasted cashew shell or de-oiled cake is fed manually with shovels at the fire grate of the boiler. The hot combustion gases travel vertically by natural draft created by the stack (12 - 15m high) at the top of the boiler. The flue gas emissions from the boiler are the source of air pollution. Time taken for steam generation is 20 minutes. The process is carried out in the...