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| Vicente Jr.,Donizete J.; Costa,Monica S. S. de M.; Costa,Luiz A. M.; Pereira,Dercio C.; Santos,Francielly T. dos. |
| ABSTRACT Considering the constant increase in the waste generation from poultry and pigs’ husbandries, the main contributions of this study were to verify the potential of biogas production through the anaerobic digestion and co-digestion of the residues generated by these two activities, as well as to highlight the recovery of the nutrients contained in the obtained digestate. The wastes used were poultry litters after six, seven and eight production lots, as well as the sifted wastewater from one Piglets Producer Unit (PPU). Higher biogas production (p <0.05) was observed in the treatments in which anaerobic codigestion was used with the swine wastewater (SW): 0.179; 0.158 and 0.117 m3 per kg of total solids (TS) added for poultry litters with six,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Agroindustry; Digestate; Biogas; Waste treatments. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162018000600961 |
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| Costa,Mônica S. S. De M.; Carneiro,Leocir J.; Costa,Luiz A. De M.; Pereira,Dercio C.; Lorin,Higor E. F.. |
| ABSTRACT The agro-industrialization of animal products has led to a significant waste generation, which has been stabilized by composting process in specialized plants. Waste stabilization time on composting depends on the handling used. 12 treatments were performed, three frequency turnings combined with two environmental conditions (with and without coverage of the composting area) and with and without commercial inoculant, whose results were submitted to multiple regression analysis. Windrows turned twice a week in the first month had adequate temperature control and stabilization time of 83.5 and 95.5 days for uncovered and covered windrows, respectively. Uncovered windrows have accelerated the process in 10 days on average, with the disadvantage of... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Environmental conditions; Inoculation; Turnings. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162016000601206 |
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| Costa,Luiz A. de M.; Pereira,Dercio C.; Costa,Mônica S. S. de M.. |
| Objetivou-se, com este trabalho, determinar o desempenho dos substratos alternativos no desenvolvimento radicular e na parte aérea da beterraba e do repolho, tal como no seu comportamento no campo em consórcio e monocultivo. Foram realizados dois experimentos em blocos casualizados cujos tratamentos foram: T0 (substrato Plantmax®); T1 (100% de composto); T2 (50% de composto, 20% de areia, 20% de casca de arroz carbonizada e 10% de pó de basalto); T3 (45% de composto, 20% de areia, 20% de casca de arroz carbonizada e 15% de pó de basalto); T4 (40% de composto, 5% de areia e 15% casca de arroz carbonizada e 20% de pó de basalto) e T5 (35% de composto, 5% de areia e 15% de casca de arroz carbonizada e 25% de pó de basalto). O primeiro experimento foi em... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Beta vulgaris; Brassica oleracea; Composto orgânico; Pó de basalto. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662014000200004 |
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| Pereira,Dercio C.; Grutzmacher,Priscila; Bernardi,Francieli H.; Mallmann,Larissa S.; Costa,Luiz A. de M.; Costa,Mônica S. S. de M.. |
| Objetivou-se, neste trabalho, avaliar o desenvolvimento das mudas de almeirão em diferentes substratos orgânicos e verificar o comportamento em bandejas, após o transplante no campo e na pós-colheita, constituindo três experimentos. Foram avaliados o uso do substrato comercial e quatro misturas de proporções de composto, areia e pó de basalto. Foram quatro fases de avaliação: aos 13 e 26 dias após a emergência (DAE), aos 74 dias após o transplante e na pós-colheita. Avaliaram-se o comprimento e a massa da matéria seca de raiz e de parte aérea, número de folhas por planta, diâmetro do coleto, área foliar e a conservação pós-colheita. O composto orgânico e as misturas foram superiores ao substrato comercial, na maioria das características avaliadas nos 13 e... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Análise de crescimento; Cichorium intibus L.; Composto orgânico; Pó de rocha. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662012001000010 |
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| Matter,Juliana M.; Costa,Mônica S. S. de M.; Costa,Luiz A. de M.; Pereira,Dercio C.; Varennes,Amarílis de; Tessaro,Dinéia. |
| ABSTRACT Aiming to evaluate different wastewaters in the anaerobic co-digestion (ACoD) of hatchery wastes, a batch test was conducted in bench horizontal digesters. At the end of the process, the potential production of biogas and methane was calculated as well as the chemical composition (macro- and micronutrients) of the effluent and the concentrations of methane and carbon dioxide gas at 60 days. The monitoring of the process included observations of the reduction of the organic carbon, chemical oxygen demand, and total (TS) and volatile solids (VS), as well as the variation of pH and electrical conductivity (EC). The results showed that the mixing between the hatchery fresh waste and swine wastewater (T4) and among fresh hatchery waste, water from the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biogas; Methane; Swine wastewater; Slaughterhouse wastewater. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662017000900651 |
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