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Adsorption of p-cresol on Granular Activated Carbon CIGR Journal
Lalitendu Das; North Carolina State University Biological and Agricultural Engineering; Praveen Kolar; North Carolina State University; Jason Osborne; North Carolina State University Department of Statistics; John Classen; North Carolina State University Biological and Agricultural Engineering.
Swine farming emit several odorous volatile organic compounds, one of which is p-cresol. Considering the layout of a swine barn, adsorption is one of the most suitable technologies for mitigating organic pollutants. In this study, commercial granular activated carbon (GAC) was tested as an adsorbent for removing p-cresol from aqueous solution. The objectives were to: 1) determine the combined effect of temperature, pH, and adsorbent dose on adsorption, (2) investigate the effect of volatile fatty acids and aldehydes on adsorption of p-cresol, (3) determine adsorption kinetics and isotherms, (4) study the effect of solvent on adsorption, (5) propose a possible mechanism of adsorption, and (6) discuss practical implications and design calculations for...
Palavras-chave: Agricultural Engineering Adsorption; P-cresol; Activated carbon; Kinetics; Isotherms; RSM.
Ano: 2012 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/2171
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Adsorption of SOX and NOX in activated viscose fibers Anais da ABC (AABC)
Plens,Ana Carolina O.; Monaro,Daniel L.G.; Coutinho,Aparecido R..
SOx and NOx are emissions resulting from combustion processes and are the main agents that contribute to the formation of acid rain, which causes harm to humans and the environment. Several techniques for removing these pollutants are applied in i.e. oil refineries, thermoelectric that use petroleum oils and vehicular pollution. Among these, highlight the adsorption of contaminants by the usage of activated carbon fibers and activated carbon, which are characterized by high surface area and uniform distribution of pores, providing appropriate conditions for application in processes of removing environmental contaminants. In the present work, activated viscose fibers (AVF) were prepared and applied in adsorption experiments of NO and SO2. The materials...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Activated carbon; Activated fibers; Adsorption; NOx; SOx.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652015000201149
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Caracterización fermentativa de biodigestores de cerdaza y aislamiento de una arqueobacteria metanogénica. Colegio de Postgraduados
Domínguez Ordóñez, María Guadalupe.
El objetivo de este experimento fue obtener una arqueobacteria metanogénica en cultivo puro, aislarla, caracterizarla morfológicamente y conservarla mediante liofilización. El experimento fue realizado de enero a septiembre del 2012 en el laboratorio de Microbiología Ruminal y Genética Microbiana del Colegio de Postgraduados. Para el aislamiento se utilizó un medio de cultivo selectivo a base de formato y fluido ruminal clarificado (FOR-FR), la arqueobacteria aislada se caracterizó morfológicamente y se conservó mediante liofilización. Para la conservación se evaluaron tres alternativas 1) la arqueobacteria en medio de cultivo FOR-FR (A), 2) arqueobacteria en medio de cultivo FOR-FR con carbón activado adicionado antes de la inoculación (AC) y 3)...
Palavras-chave: Medio de cultivo selectivo; Liofilización; Carbón activado; Morfología; Selective culture medium; Lyophikization; Activated carbon; Morphology; Ganadería; Doctorado.
Ano: 2014 URL: http://hdl.handle.net/10521/2307
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