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Type: Artigo de periódico
Title: Coating Process Efficiency For Polymer Coated Broccoli Seeds In Spouted Bed [eficiência Do Processo De Recobrimento De Sementes De Brócolos Recobertas Com Polímero Em Leito De Jorro]
Author: De Almeida C.
Rocha S.C.S.
Abstract: Broccoli seeds were coated in a conical-cylindrical spouted bed with an aqueous suspension of hydroxy ethyl cellulose aiming to improve the seeds coating technique using a fluid-dynamic process. An experimental design was applied to investigate the effects of the operating variables: gas temperature, atomizing air pressure and suspension flow rate on the germination of the seeds and on the process efficiency. Results indicated that the operating variables affect both the coating process efficiency and the germination ability. However, the analysis didn't identify differences between the germination potential of coated and uncoated seeds. Coated seeds absorbed up to 10 percent less moisture than the uncoated ones, when the environment temperature and humidity were controlled over a period of time.
Citation: Engenharia Agricola. , v. 28, n. 2, p. 305 - 314, 2008.
Rights: aberto
Identifier DOI: 10.1590/S0100-69162008000200011
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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