Feed raw materials sometimes have a pleasant smell, such as by-products from the fruit juice industry. But products can also have a foul odour, especially when oils and fats are involved or products are treated by pressure and temperature. To avoid complaints of residents around a feedmill these smells need to be neutralised.
This article can also be found at Feed Tech, volume 9, no.
8
Keywords: Odour control, feed mill, odour
reduction, olfactometry, Aerox, fish feed, pet food, oxygen
injection