Journal
CANADIAN JOURNAL OF CHEMICAL ENGINEERING
Volume 91, Issue 3, Pages 589-597Publisher
WILEY
DOI: 10.1002/cjce.21724
Keywords
particle coating; spouted bed coating; urea coating; polymer coating; vinasse
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Funding
- National Council for Scientific and Technological Development (CNPq, Brazil)
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The aim of this work was to evaluate the influence of the operating conditions on the coating efficiency for urea coated in a spouted bed and to analyse the decrease of nitrogen volatilisation for the coated urea. Coating efficiencies in the range (from 44.24% to 73.7%) were obtained for the different process conditions applied. Volatilisation analyses showed that the polymer film coating provided a decrease of the nitrogen loss in the range from 3% to 57%. The use of vinasse in substitution to the water in the coating suspension was tested for the optimum process conditions. (c) 2012 Canadian Society for Chemical Engineering
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