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Vacuum Coating of Heat Sensitive Liquid Ingredient into Feed Pellets
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Paper number 016008, 2001 ASAE Annual Meeting. (doi: 10.13031/2013.7467) @2001
Authors: Yebo Li, Jun Li, Zhe Liu, R. Roger Ruan, Zhihuai Mao
Keywords: Feed, liquid addition, pellets, vacuum infusion
High temperature steam used in the pelleting process limits the ability to incorporate
heat sensitive ingredient into the pellet feed. Adding the liquid feed ingredient after pelleting can
reduce the damage of heat sensitive ingredient, however, in the traditional liquid coating
system, most of the liquid ingredients are coated onto the surface only, and nearly two thirds of
the added ingredient fall off the pellets during the following packaging, transportation, and
storage processes due to friction. In the vacuum coating system, the liquid ingredient can
penetrate into the core of the feed pellets after the release of vacuum.