DESEMPENHO HIDRÁULICO DE SISTEMA DE IRRIGAÇÃO POR GOTEJAMENTO APLICANDO ÁGUA RESIDUÁRIA DE SUINOCULTURA
DOI:
https://doi.org/10.30969/acsa.v8i3.239Keywords:
entupimento, emissores, dejetos de suínosAbstract
Objetivou-se analisar o desempenho hidráulico de sistema de irrigação por gotejamento aplicando água residuária de suinocultura tratada. Foi montada uma estrutura hidráulica de avaliação, constituída de três tipos de gotejadores (G1, G2 e G3). Manteve-se a pressão de serviço no início das linhas laterais em 105 kPa, e quantificaram-se a intervalos de 20 h, as vazões dos gotejadores, até a obtenção de um tempo total de 160 h de operação do sistema. O nível de entupimento dos gotejadores foi obtido por meio do coeficiente de variação de vazão (CVQ). Com a aplicação da água residuária da suinocultura houve aumento do CVQ, ao longo do tempo de funcionamento, somente na subunidade com gotejador G2. Os gotejadores de maior vazão e menor comprimento de labirinto são menos suscetíveis ao entupimento. A formação de biofilme foi resultante da interação entre sólidos suspensos, enxofre e bactérias, consistindo no principal fator de entupimento parcial e total dos gotejadores.
References
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2012-12-04
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Termo de cessão de direitos autorais da Revista Agropecuária Científica no Semiárido:
Esta é uma revista de acesso livre, onde, utiliza o termo de cessão seguindo a lei nº 9.610/1998, que altera, atualiza e consolida a legislação sobre direitos autorais no Brasil.
Autores que publicam na Revista Agropecuária Científica no Semiárido(ACSA) concordam com os seguintes termos:O(s) autor(es) doravante designado(s) CEDENTE, por meio desta, cede e transfere, de forma gratuita, a propriedade dos direitos autorais relativos à OBRA à Revista Agropecuária Científica no Semiárido(ACSA), representada pelo CSTR/UFCG, estabelecida no Campus de Patos-PB doravante designada CESSIONÁRIA, nas condições descritas a seguir:
O CEDENTE declara que é (são) autor(es) e titular(es) da propriedade dos direitos autorais da OBRA submetida;
O CEDENTE declara que a OBRA não infringe direitos autorais e/ou outros direitos de propriedade de terceiros, que a divulgação de imagens (caso as mesmas existam) foi autorizada e que assume integral responsabilidade moral e/ou patrimonial, pelo seu conteúdo, perante terceiros;
O CEDENTE cede e transfere todos os direitos autorais relativos à OBRA à CESSIONÁRIA, especialmente os direitos de edição, de publicação, de tradução para outro idioma e de reprodução por qualquer processo ou técnica através da assinatura deste termo impresso que deverá ser submetido via correios ao endereço informado no início deste documento;
A CESSIONÁRIA passa a ser proprietária exclusiva dos direitos referentes à OBRA, sendo vedada qualquer reprodução, total ou parcial, em qualquer outro meio de divulgação, impresso ou eletrônico, sem que haja prévia autorização escrita por parte da CESSIONÁRIA.
