Mill processing concepts to improve the oil yield as well as its quality have always been the prime objective of the millers as most of the changes focused on an increase in profit. The present focus seems to be shifting away from the profit oriented culture to one of environment protection.

Heat recovery can take many different forms. In general terms, it can be classified as direct recovery, indirect recovery and secondary recovery. Direct recovery refers to the use of flue gas, which is a combination of carbon dioxide, nitrogen and oxygen generated by the combustion process in an incinerator or boiler, to preheat or dry […]