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A questao ambiental na utilizacao de dejetos de suinos como fertilizante do solo. Infoteca-e
SEGANFREDO, M. A..
Caracteristicas gerais da suinocultura catarinense e a problematica dos dejetos de suinos; Alternativas de reciclagem; A utilizacao dos dejetos de suinos como fertilizante do solo; A sustentabilidade dos sistemas adubados com dejetos de suinos; A situacao em outros paises onde se utiliza dejetos de suinos como fertilizante do solo; Prejuizos causados pela aplicacao de ezcessivas quantidades de dejetos ao solo; Algumas causas da demora na percepcao dos efeitos adversos da adubacao com dejetos de suinos; Qual o limite, quando se pode aplicar em cada solo?.
Tipo: Circular Técnica (INFOTECA-E) Palavras-chave: Fertilizante organico; Waste; Organic fertilizer; Dejeto; Meio Ambiente; Suíno; Environment; Swine.
Ano: 2000 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/437664
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Alternativas de manejo, tratamento e utilização de dejetos animais em sistemas integrados de produção. Infoteca-e
KONZEN, E. A..
Alternativas de utilizacao; Composicao; Metodos de aplicacao (distribuicao); Resultados de pesquisa sobre a utilizacao de dejetos de suinos e bovinos na producao de graos, em plantio convencional e direto (Milho e soja); Beneficio/custo dos sistemas de producao de milho com esterco de suinos e adubacao quimica; Resultados na recuperacao de pastagens com dejetos de suinos; Movimentacao de nutrientes no perfil do solo; Fosforo; Potassio; Calcio e magnesio; Micronutrientes - Cu, Zn; Materia organica.
Tipo: Documentos (INFOTECA-E) Palavras-chave: Dejeto; Animal; Manejo; Utilizacao; Sistema integrado; Producao; Meio ambiente; Waste; Management; Use; Integrated system; Production; Environment.
Ano: 2000 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/484473
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An Allais Measure of Production Sector Waste Due to Quotas AgEcon
Fulginiti, Lilyan E.; Perrin, Richard K..
This paper adapts a partial equilibrium approach of Allais and Diewert to measure the efficiency loss in the producing sector due to quotas. The measure of waste is the additional profits available for reallocation subject to constraints that the welfare of persons and firms outside the sector is unaffected. It is relevant to a sector which faces fixed prices for some commodities, but endogenous prices for others. Tobacco quotas in the United State are estimated to have caused quota-induced producer-sector waste of approximately $95 million per year during 1950-82, or about 3 percent of the average value of the crop.
Tipo: Working or Discussion Paper Palavras-chave: Waste; Deadweight loss; Production sector; Quotas; Production Economics.
Ano: 1996 URL: http://purl.umn.edu/18566
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Anais. Infoteca-e
WORKSHOP SOBRE DEJETOS SUÍNOS, 1997, Concórdia..
Tecnologias ambientais para o desenvolvimento sustentavel da suinocultura no sul do Brasil; Projetos de tratamento para dejetos de suinos; O manejo de dejetos e controle de insetos; Resultados comparativos com armazenagem de dejetos de suinos em esterqueira e bioesterqueira; Uso de decantadores, reatores e lagoa de alta taxa no tratamento dos dejetos de suinos; Otimizacao do sistema de tratamento: decantador de palhetas e lagoas anaerobias, facultativa e de aguapes de dejetos suinos; Uso de leito de cama na producao de suinos; Piscicultura organica X qualidade de agua; Valor nutritivo de dejetos de suinos na alimentacao da carpa comum (Cyprinus carpio) e pacu (Piaractus mesopotamicus); Piscicultura integrada com suinos no Oeste Catarinense; Relacoes da...
Tipo: Documentos (INFOTECA-E) Palavras-chave: Suíno; Dejeto; Congresso; Swine; Waste; Meeting.
Ano: 1999 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/436984
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Avaliação de subprodutos agroindustriais para alimentação de ruminantes. Infoteca-e
RODRIGUES FILHO, J. A.; CAMARÃO, A. P.; LOURENÇO JUNIOR, J. de B..
1993
Tipo: Documentos (INFOTECA-E) Palavras-chave: Animal; Alimentação; Agroindústria; Resíduo; Ruminante; Feed; Agricultural industries; Waste; Ruminant.
Ano: 1993 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/380487
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Batch anaerobic digestion of banana waste - energy potential and modelling of methane production kinetics CIGR Journal
Khan, Muhammad Tahir; Brulé, Mathieu; Maurer, Claudia; Argyropoulos, Dimitrios; Müller, Joachim; Oechsner, Hans.
Different fractions of banana (stalk, peel, and flesh) as well as the whole unpeeled banana were studied in a laboratory Biochemical Methane Potential (BMP) assay. After completion of 35-day digestion at 37°C in 2L-reactors, specific methane yields reached 0.256, 0.322, 0.367 and 0.349 m³/kg VS (volatile solids) for stalk, peel, flesh, and unpeeled banana respectively. Considering the country of Uganda, East Africa, the collection of peels and stalks from banana production would yield a theoretical potential of about 60 GWh of electrical energy per year in biogas plants. In order to verify the suitability of banana fractions to the biogas process, their chemical composition was analyzed, and their methane production kinetics was estimated with exponential...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Energy biogas; Anaerobic digestion; BMP assay; Model; Energy; Methane; Waste.
Ano: 2016 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/3244
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Characterization of biochars from different sources and evaluation of release of nutrients and contaminants Rev. Ciênc. Agron.
Figueredo,Natália Aragão de; Costa,Liovando Marciano da; Melo,Leônidas Carrijo Azevedo; Siebeneichlerd,Evair Antônio; Tronto,Jairo.
ABSTRACT The biochar, product of pyrolysis of organic waste, has been used as a soil conditioner and alternative on solid waste management. However, the raw material and pyrolysis temperature used influence the quantity and dynamics of release of nutrients and contaminants from the biochar. The objective was to evaluate the use of waste sugarcane bagasse, eucalyptus and sewage sludge for production of biochar and determine the chemical, physical, mineralogical properties and acid extraction of these materials produced at 350 °C and 500 °C. Were evaluated the proportion of C, H, N, O; ashes; macro and micronutrients, plus some contaminants; characterization of mineral phases by diffractometry of X- rays; functional groups by infrared absorption spectroscopy...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biochar; Waste; Acid extraction.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902017000300003
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Characterization of pericarp fractions of yellow passion fruit: density, yield of flour, color, pectin content and degree of esterification Ciênc. Tecnol. Aliment.
TALMA,Simone Vilela; REGIS,Suelen Alvarenga; FERREIRA,Patrícia Rodrigues; MELLINGER-SILVA,Caroline; RESENDE,Eder Dutra de.
Abstract The pericarp of passion fruit can be processed to be used as a new ingredient in the food industry, or as source of pectin. Pericarp samples were taken with a 5 mm cylindrical metal probe to measure the apparent density. Pericarp fractions of eighty fruits at three maturation stages were dried and their flours were quantified and evaluated by instrumental color. The pectin was extracted and its degree of esterification (DE) was quantified. The yield of flour of epicarp and mesocarp reached 3.4% and 4.6% (dry basis) at different maturation stages of passion fruit, respectively. The content of pectin was higher in mesocarp flour, also, its DE increased deeply with the fruit maturation. The mesocarp with the lower density can be separated from the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Passiflora edulis; Co-products; Rind processing; Waste; Juice industry.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019000600683
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Chemical properties of soils treated with biological sludge from gelatin industry Rev. Bras. Ciênc. Solo
Guimarães,Rita de Cássia Melo; Cruz,Mara Cristina Pessôa da; Ferreira,Manoel Evaristo; Taniguchi,Carlos Alberto Kenji.
The impact of agro-industrial organic wastes in the environment can be reduced when used in agriculture. From the standpoint of soil fertility, residue applications can increase the organic matter content and provide nutrients for plants. This study evaluated the effect of biological sludge from gelatin industry on the chemical properties of two Ultisols (loamy sand and sandy clay) and an Oxisol (clay). The experiment lasted 120 days and was carried out in laboratory in a completely randomized design with factorial arrangement, combining the three soils and six biological sludge rates (0, 100, 200, 300, 400, and 500 m³ ha-1), with three replications. Biological sludge rates of up to 500 m³ ha-1 decreased soil acidity and increased the effective cation...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Waste; Nutrients; Soil pH; Effective CEC.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832012000200034
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Co-digestion of swine excreta associated with increasing levels of crude glycerin R. Bras. Zootec.
Orrico Junior,Marco Antonio Previdelli; Schwingel,Alice Watte; Centurion,Stanley Ribeiro; Orrico,Ana Carolina Amorim.
ABSTRACT The objective of this research was to evaluate the performance of anaerobic co-digestion of swine excreta associated with increasing doses of crude glycerin and different hydraulic retention times (HRT). A completely randomized design was adopted in a 3 × 4 factorial arrangement composed of three HRT (10, 17, and 24 days) and four crude glycerin doses (0, 5, 10, and 15 g/100 g of total solids [TS]), with four replications per treatment. The assessed parameters were: biogas production potential, reductions of volatile solids (VS), chemical oxygen demand (COD), and most probable number of total and thermotolerant coliforms. The biogas production per added VS presented quadratic effect at 17 and 24 days of HRT, with ideal doses of 5.5 and 5.9 g of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodiesel; Biogas; Manure; Waste.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982016000300101
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Comparison of two methods for evaluating waste of a flow through trout farm ArchiMer
Roque D'Orbcastel, Emmanuelle; Blancheton, Jean-paul; Boujard, Thierry; Aubin, Joel; Moutounet, Yves; Przybyla, Cyrille; Belaud, Alain.
European water legislation enforces increasingly restrictive measures with regards to reduction of water consumption and waste emission in order to minimise the potential environmental impact of the agro industry sector. Fish farms are particularly concerned, but legislation covering effluent discharge varies significantly from country to country. However, recommendations and directives from institutional, national or regional bodies suggest the enforcement of increasingly strict waste reduction measures and the development of waste treatment. Before treatment, it is necessary to evaluate waste production in terms of composition and quantity. The waste quantification methods used today for fish culture systems are either based on direct measurements of...
Tipo: Text Palavras-chave: Phosphorus; Nitrogen; Suspended solids; Trout farm; Waste.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-6822.pdf
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Compostagem de resíduos da produção e abate de pequenos ruminantes. Infoteca-e
OLIVEIRA, E. L. de; RODRIGUES, G. de S.; SANTIAGO, L. B.; SOUZA, H. A. de..
A compostagem se enquadra no processo biológico de reciclagem de nutrientes e surge como uma alternativa viável por reduzir o peso e o volume dos resíduos gerados. A compostagem é uma técnica de decomposição e sanitização da matéria orgânica à alta temperatura, pela ação de bactérias e fungos que transformam as carcaças em um produto útil, denominado de composto orgânico. Essa técnica é acessível ao produtor rural e as agroindústrias, tais como frigoríficos e abatedouros. O composto orgânico é um adubo que pode ser utilizado em áreas agrícolas, conforme Instrução Normativa nº 25 de 2009 do Ministério da Agricultura, Pecuária e Abastecimento, que trata da produção e do uso de compostos orgânicos. O uso de composto orgânico apresenta as vantagens de reduzir...
Tipo: Fôlder / Folheto / Cartilha (INFOTECA-E) Palavras-chave: Resíduo de carcaça; Composto orgânico; Compostagem; Matéria orgânica; Decomposição; Manejo; Caprino; Ovino; Organic compounds; Composting; Organic matter; Degradation; Carcass utilization; Waste; Carcasses; Goats; Sheep.
Ano: 2015 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/1019361
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Efeito das épocas de aplicação do esterco líquido de suínos associados a níveis de nitrogênio em cobertura, na produtividade de milho. Repositório Alice
KONZEN, E.A.; PEREIRA FILHO, I. A.; DONISETE, J..
1992
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Milho; Esterco liquido; Suino; Epoca; Nitrogenio; Produtividade; Zea mays; Maize; Liquid manure; Swine; Waste; Nitrogen; Productivity.
Ano: 1992 URL: http://www.alice.cnptia.embrapa.br/handle/doc/476036
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Effect of resin content and pressing temperature on banana pseudo-stem particle boards properties using full factorial design Anais da ABC (AABC)
BARRAGÀN-LUCAS,ANA D.; LLERENA-MIRANDA,CRISTHIAN; QUIJANO-AVILÉS,MARIA FERNANDA; CHÓEZ-GUARANDA,IVÁN A; MALDONADO-GUERRERO,LINDA C.; MANZANO-SANTANA,PATRICIA I..
Abstract: The volume of global gross banana exports reached a record of 117.9 million tonnes in 2015 (FAO 2017), which agro-industrial wastes derived as the pseudo-stem, rachis and leaves do not have an industrial application instead they are discarded. This research study applies full factorial design and response surface methodology to determine the effect of pressing temperature and resin content on density (D), moisture (M), water absorption (WA), water swelling (WS), module of rupture (MOR), module of elasticity (MOE) and formaldehyde content (FC) of particle board made of banana pseudo-stem. A 22 factorial design was performed, factors considered were resin and temperature. The low level of resin was 15% in the coarse fiber (CF) and 35% in fine fiber...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Fiber board; Musa paradisiaca; Optimization; Pseudo-stem; Waste.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652019000700903
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Elaboración artesanal de dos abonos líquidos fermentados y su efectividad en la producción de plántulas de chile habanero (Capsicum chinense Jacq). Colegio de Postgraduados
Salaya Domínguez, Jotam.
Con el objetivo de evaluar el efecto de dos abonos líquidos fermentados elaborados de subproductos regionales, en la producción de plántulas de chile habanero (Capsicum chinense Jacq), en la fase de vivero; se estableció el experimento en un predio del poblado C-34, Plan Chontalpa, Huimanguillo, Tabasco. Para la obtención de los abonos líquidos fermentados se utilizó el biodigestor tipo estacionario o Batch, a los cuales se les hizo las adecuaciones en la tapa que funcionó como válvula de escape, para la liberación de los gases generados durante la fermentación. Se utilizaron dos abonos, uno con biomasa de estiércol fresco de bovino (Biol Eb) y otro con follaje fresco de Gliricidia sepium (Jacq) (Biol Gs). Se realizaron tres repeticiones para determinar el...
Palavras-chave: Biodigestor; Biomasa; Efluentes; Biol; Plántulas; Biomass; Waste; Seedlings; Maestría; Producción Agroalimentaria en el Trópico.
Ano: 2010 URL: http://hdl.handle.net/10521/235
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Elaboración artesanal de dos abonos líquidos fermentados y su efectividad en la producción de plántulas de chile habanero (Capsicum chinense Jacq). Colegio de Postgraduados
Salaya Domínguez, Jotam.
Con el objetivo de evaluar el efecto de dos abonos líquidos fermentados elaborados de subproductos regionales, en la producción de plántulas de chile habanero (Capsicum chinense Jacq), en la fase de vivero; se estableció el experimento en un predio del poblado C-34, Plan Chontalpa, Huimanguillo, Tabasco. Para la obtención de los abonos líquidos fermentados se utilizó el biodigestor tipo estacionario o Batch, a los cuales se les hizo las adecuaciones en la tapa que funcionó como válvula de escape, para la liberación de los gases generados durante la fermentación. Se utilizaron dos abonos, uno con biomasa de estiércol fresco de bovino (Biol Eb) y otro con follaje fresco de Gliricidia sepium (Jacq) (Biol Gs). Se realizaron tres repeticiones para determinar el...
Palavras-chave: Biodigestor; Biomasa; Efluentes; Biol; Plántulas; Biomass; Waste; Seedlings; Maestría; Producción Agroalimentaria en el Trópico.
Ano: 2010 URL: http://hdl.handle.net/10521/235
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Energy potential of yam and plantain peels CIGR Journal
Fasina, Oladiran.
    Peels are the wastes produced when yam and plantain are processed for human consumption.  This study evaluated the potential use of these wastes as energy feedstocks by conducting thermal decomposition studies in a thermogravimetric analyzer coupled to a Fourier Transform infrared spectrometer (FTIR) and in a differential scanning calorimeter.  The peels have ash contents of about 8%-9% hence a slightly lower energy contents in comparison to other biomass feedstocks.  The pyrolysis process for both yam and plantain peels was found to consist of two main stages - moisture loss at temperatures less than 150oC, and decomposition of the dry matter component that peaked at temperature of 300oC.  Both samples reached exothermic reactions that also peaked at...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Thermal decomposition; Syngas; Waste; Differential scanning calorimetry; Fourier transform infrared spectroscopy; Thermogravimetric analyzer.
Ano: 2014 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/1767
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Growth, nodulation and nitrogen fixation of cowpea in soils amended with composted tannery sludge Rev. Bras. Ciênc. Solo
Santos,Joseany Andrade; Nunes,Luís Alfredo Pinheiro Leal; Melo,Wanderley José de; Figueiredo,Marcia Barreto do Vale; Singh,Rajeev Pratap; Bezerra,Antônio Aécio Carvalho; Araújo,Ademir Sérgio Ferreira de.
Tannery wastes generation is increasing every year and a suitable method for tannery sludge management is necessary in order to decrease this environmental problem. The composting is recognized as a suitable method for sludge recycling.. The effect of tannery sludge compost (TSC) rates on growth, nodulation and N fixation of cowpea was investigated. Sandy and clayey soils were amended with TSC at rates of 0, 7.5, 15, 30, and 60 t ha-1. The shoot dry weight of cowpea plants 45 days after emergence (DAE) was greater in the TSC-amended than in the unamended soil. In the sandy soil, nodule dry weight increased with TSC application 45 DAE. In the clayey soil, 45 DAE, nodule dry weight decreased with TSC amendment levels greater than 7.5 t ha-1 compared to the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Waste; Soil texture; Composting; Heavy metal.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832011000600003
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How can nutritional strategies and feed technologies in pig production affect the logistical costs of manure distribution? R. Bras. Zootec.
Afonso,Esther Ramalho; Nacimento,Rafael Araujo; Palhares,Julio Cesar Pascale; Gameiro,Augusto Hauber.
ABSTRACT The objective with this study was to evaluate the impact of different swine nutritional strategies and technologies, as well as the land spread system, on logistical costs of pig manure distribution. For this, pigs were fed a conventional diet (C0) or a diet supplemented with 0.01% phytase (C1); organic minerals (40% substitution; C2); synthetic amino acids at reduced dietary crude protein levels (C3); or a combination of the three strategies (C4). All pig manure was weighed, then its chemical composition was determined. The mineral values and volume of manure produced were extrapolated to corresponding pig farm sizes in Sao Paulo state (300, 650, and 1000 sows) from real pig manure levels to produce simulations. To determine the logistical cost...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Enzyme; Organic mineral; Swine; Waste.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982020000100100
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Innovation, research and development on the passion fruit peel flour: bibliometric approach Ciênc. Tecnol. Aliment.
FLORÊNCIO,Márcio Nannini da Silva; GOMES,Paula Caroline dos Santos; ABUD,Ana Karla de Souza; OLIVEIRA JÚNIOR,Antonio Martins de.
Abstract The passion fruit peel flour, retrieved from the drying and milling of fruit-processing residues, is rich in fibers. In fact, it is an important food source, featuring many benefits for the human organism. Current study forwards a scientific and technological evaluation of the passion fruit peel flour development through bibliometric indicators. Data from scientific production were collected from Web of Science database and patent search was performed at different databases USPTO, WIPO, EPO and INPI. Bibliometric analysis addresses key sections focused on articles and patent applications, authors and inventors, relevant areas of interest, institutions and countries. The analysis of citations and analysis of social networks were also used as...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Waste; Bibliometric analysis; Food technology; Agroindustrial; Passion fruit peel.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019005000303
Registros recuperados: 33
Primeira ... 12 ... Última
 

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