Separation of black oat seeds from wheat seeds

Separation of black oat seeds from wheat seeds

A study was made in Pelotas, RS, Brazil, of the separation of black oat seeds from wheat seeds, determining the capability and efficiency of an air-screen cleaner (ASC) and gravity table (GT) in this operation. Seed packs of the wheat cultivar EMBRAPA-16 and seeds of black oat, common cultivar, were used and in the processing, the ASC and the GT. In the ASC, four screens were utilized: 1.9 x 20; 2.0 x 20; 2.1 x 20 and 2.2 x 20 mm, with oblong bores in the position of the fourth screen and three contamination levels: 5; 10 and 15 black oat seeds for each 100 g of wheat seeds. The results led to the conclusion that: a) it is possible to separate black oat seeds from wheat seeds during processing; b) the use of the 2.1 x 20 screen in the ASC, independently of the contamination level, allows separating black oat seeds from wheat seeds, putting the pack of seeds within the minimum standards required for marketing; c) the utilization of the ASC cleaner and screens followed by the GT, fully retains the black oat seeds from packs of wheat seeds; d) the initial contamination level does not affect the loss in the sequence ASC and screens and gravity table.

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Main Authors: Possenti, Jean Carlo, Villela, Francisco Amaral, Zimmer, Gilberto Jaime
Format: Digital revista
Language:por
Published: Pesquisa Agropecuaria Brasileira 1997
Online Access:https://seer.sct.embrapa.br/index.php/pab/article/view/4718
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spelling rev-pab-br-article-47182015-03-11T17:59:44Z Separation of black oat seeds from wheat seeds Eficiência das máquinas no beneficiamento de sementes de trigo para remoção de sementes de aveia-preta Possenti, Jean Carlo Villela, Francisco Amaral Zimmer, Gilberto Jaime separation of seed; air-screen cleaner; gravity table separação de sementes; máquina-de-ar-e-peneiras; mesa-de-gravidade A study was made in Pelotas, RS, Brazil, of the separation of black oat seeds from wheat seeds, determining the capability and efficiency of an air-screen cleaner (ASC) and gravity table (GT) in this operation. Seed packs of the wheat cultivar EMBRAPA-16 and seeds of black oat, common cultivar, were used and in the processing, the ASC and the GT. In the ASC, four screens were utilized: 1.9 x 20; 2.0 x 20; 2.1 x 20 and 2.2 x 20 mm, with oblong bores in the position of the fourth screen and three contamination levels: 5; 10 and 15 black oat seeds for each 100 g of wheat seeds. The results led to the conclusion that: a) it is possible to separate black oat seeds from wheat seeds during processing; b) the use of the 2.1 x 20 screen in the ASC, independently of the contamination level, allows separating black oat seeds from wheat seeds, putting the pack of seeds within the minimum standards required for marketing; c) the utilization of the ASC cleaner and screens followed by the GT, fully retains the black oat seeds from packs of wheat seeds; d) the initial contamination level does not affect the loss in the sequence ASC and screens and gravity table. O objetivo deste trabalho foi avaliar a eficiência e eficácia da máquina-de-ar-e-peneiras e da mesa-de-gravidade na remoção de sementes de aveia-preta de lotes de sementes de trigo. Foram utilizados um lote de sementes de trigo, cultivar EMBRAPA-16, e sementes de aveia-preta, cultivar Comum. Na máquina-de-ar-e-peneiras foram utilizadas quatro peneiras: 1,9 x 20; 2,0 x 20; 2,1 x 20 e 2,2 x 20 mm, de furos oblongos na posição da quarta peneira, e três níveis de contaminação: 5, 10 e 15 sementes de aveia-preta para cada 100 g de sementes de trigo. Os resultados permitiram concluir que: a) é possível separar sementes de aveia-preta de lotes de sementes de trigo durante o beneficiamento; b) o uso da peneira 2,1 x 20 mm na máquina-de-ar-e-peneiras, independentemente do nível de contaminação, permite separar sementes de aveia-preta de sementes de trigo, colocando o lote dentro dos padrões mínimos exigidos para a comercialização; c) máquina-de-ar-e-peneiras seguida da mesa-de-gravidade retém integralmente as sementes de aveia-preta de lotes de sementes de trigo; d) o nível de contaminação inicial não afeta a perda na seqüência máquina-de-ar-e-peneiras e mesa-de-gravidade. Pesquisa Agropecuaria Brasileira Pesquisa Agropecuária Brasileira 1997-08-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://seer.sct.embrapa.br/index.php/pab/article/view/4718 Pesquisa Agropecuaria Brasileira; v.32, n.8, ago. 1997; 841-850 Pesquisa Agropecuária Brasileira; v.32, n.8, ago. 1997; 841-850 1678-3921 0100-104x por https://seer.sct.embrapa.br/index.php/pab/article/view/4718/7319
institution EMBRAPA
collection OJS
country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-pab-br
tag revista
region America del Sur
libraryname Sistema de bibliotecas de EMBRAPA
language por
format Digital
author Possenti, Jean Carlo
Villela, Francisco Amaral
Zimmer, Gilberto Jaime
spellingShingle Possenti, Jean Carlo
Villela, Francisco Amaral
Zimmer, Gilberto Jaime
Separation of black oat seeds from wheat seeds
author_facet Possenti, Jean Carlo
Villela, Francisco Amaral
Zimmer, Gilberto Jaime
author_sort Possenti, Jean Carlo
title Separation of black oat seeds from wheat seeds
title_short Separation of black oat seeds from wheat seeds
title_full Separation of black oat seeds from wheat seeds
title_fullStr Separation of black oat seeds from wheat seeds
title_full_unstemmed Separation of black oat seeds from wheat seeds
title_sort separation of black oat seeds from wheat seeds
description A study was made in Pelotas, RS, Brazil, of the separation of black oat seeds from wheat seeds, determining the capability and efficiency of an air-screen cleaner (ASC) and gravity table (GT) in this operation. Seed packs of the wheat cultivar EMBRAPA-16 and seeds of black oat, common cultivar, were used and in the processing, the ASC and the GT. In the ASC, four screens were utilized: 1.9 x 20; 2.0 x 20; 2.1 x 20 and 2.2 x 20 mm, with oblong bores in the position of the fourth screen and three contamination levels: 5; 10 and 15 black oat seeds for each 100 g of wheat seeds. The results led to the conclusion that: a) it is possible to separate black oat seeds from wheat seeds during processing; b) the use of the 2.1 x 20 screen in the ASC, independently of the contamination level, allows separating black oat seeds from wheat seeds, putting the pack of seeds within the minimum standards required for marketing; c) the utilization of the ASC cleaner and screens followed by the GT, fully retains the black oat seeds from packs of wheat seeds; d) the initial contamination level does not affect the loss in the sequence ASC and screens and gravity table.
publisher Pesquisa Agropecuaria Brasileira
publishDate 1997
url https://seer.sct.embrapa.br/index.php/pab/article/view/4718
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AT zimmergilbertojaime separationofblackoatseedsfromwheatseeds
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AT villelafranciscoamaral eficienciadasmaquinasnobeneficiamentodesementesdetrigopararemocaodesementesdeaveiapreta
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