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Article : texto impreso
Desde mediados de la década del 50, el proceso kraft ha sido el método dominante de obtención de pulpa de madera en todo el mundo. Pautas ambientales recientes y el enorme costo que está asociado con la construcción de una moderna instalación pa[...]
texto impreso
Lignocellulosic biomass for conversion to ethanol can be obtained from three sources, traditional standing timber, biomass crops and waste biomass. Standing timber costs approximately $40 per tonne, a cost which is variable depending upon demand[...]
documento electrónico
SILVANA BONIFACINO, Autor ; RESQUIN, FERNANDO, Autor ; LOPRETTI, MARY, Autor ; LUCIANA BUXEDAS, Autor ; SYLVIA VÁZQUEZ, Autor ; MARIANA GONZÁLEZ, Autor ; ALEJANDRA SAPOLINSKI, Autor ; ANDRÉS HIRIGOYEN, Autor ; DOLDAN, JAVIER, Autor ; CECILIA RACHID, Autor ; LEÓNIDAS CARRASCO, Autor | 2021Experimental scale crops for Eucalyptus grandis, Eucalyptus benthamii, Eucalyptus dunnii and Eucalyptus tereticornis, at 2,220, 4,440 and 6,660 trees ha−1 were established in two soil units, at Paysandú and Tacuarembó, Uruguay. Wood samples were[...]
Article : documento electrónico
ANA INÉS SILVA, Autor ; MARÍA EUGENIA FERRANDO, Autor ; FERREIRA, ELIZABETH, Autor |En este artículo se presenta el trabajo del Departamento de Metrología Química para el desarrollo del servicio de calibración de espirómetros basado en la recomendación internacional de la Organización Internacional de Metrología Legal OIML R126[...]
texto impreso
Steam-explosion process can be satisfactorily used as a pretreatment in ethanol production from lignocellulosic biomass. Traditionally, pretreatment effectiveness is evaluated in terms of hemicellulose solubilization, enzymatic convertibility of[...]
documento electrónico
ELOISA ROCHÓN, Autor ; MARÍA NOEL CABRERA, Autor ; VALENTINA SCUTARI, Autor ; MATÍAS CAGNO, Autor ; ABIGAIL GUIBAUD, Autor ; SANTIAGO MARTÍNEZ, Autor ; SILVIA BÖTHIG, Autor ; GUCHIN, NIKOLAI, Autor ; MARIO DANIEL FERRARI, Autor ; CLAUDIA LAREO, Autor | 2022In this work, Eucalyptus grandis sawdust was investigated as raw matter for the co-production of xylosaccharides (XS) and bioethanol by steam explosion pretreatment with and without a previous NaOH impregnation stage. The acetyl groups were comp[...]
documento electrónico
C. R. SOUTH, Autor ; D. A. HOGSETT, Autor ; L. R. LYND, AutorExperimental results are presented for continuous conversion of pretreated hardwood flour to ethanol. A simultaneous saccharification and fermentation (SSF) system comprised ofTrichoderma reesei cellulase supplemented with additional β-glucosida[...]
texto impreso
Experimental results are presented for continuous conversion of pretreated hardwood flour to ethanol.
texto impreso
MC ALOON, ANDREW /et al/ | Colorado [ESTADOS UNIDOS] : National Renewable Energy Laboratory | Technical Report | 2000The mature corn-to-ethanol industry has many similarities to the emerging lignocelluloseto-ethanol industry. It is certainly possible that some of the early practitioners of this new technology will be the current corn ethanol producers. In orde[...]
documento electrónico
DANIEL BURKE, Autor ; LINDSEY MACKAY, Autor ; RICHARD MYORS, Autor ; JUDITH CUTHBERTSON, Autor ; JEREMY RICHARDSON, Autor ; NIGEL SOUSOU, Autor ; DAVID SAXBY, Autor ; SHANE ASKEW, Autor ; REBECCA O'BRIEN, Autor | 2009In response to the sovereign requirement for national standards the National Measurement Institute, Australia (NMIA) has developed a measuring system using isotope dilution mass spectrometry (IDMS) to certify forensic aqueous ethanol solutions. [...]
texto impreso
Wheat straw consists of 48.57 +- 0.30% cellulose and 27.70 +- 0.12% hemicellulose on dry solid (DS) basis and has the potential to serve as a low cost feedstock for production of ethanol. Dilute acid pretreatment at varied temperature and enzyma[...]
documento electrónico
DANIEL J SCHELL, Autor ; JODY FARMER, Autor ; MILLIE NEWMAN, Autor ; JAMES D MCMILLAN, AutorCorn stover is a domestic feedstock that has potential to produce significant quantities of fuel ethanol and other bioenergy and biobased products. However, comprehensive yield and carbon mass balance information and validated kinetic models for[...]
texto impreso
Corn stover is a domestic feedstock that has potential to produce significant quantities of fuel ethanol and other bioenergy and biobased products. However, comprehensive yield and carbon mass balance information and validated kinetic models for[...]Article : documento electrónico
CARLOS JULIO TUBAY BERMÚDEZ, Autor ; JOSÉ CEDEÑO VELASCO, Autor ; KAROL BRIGITTE MOREIRA JIMÉNEZ, Autor ; LUISA ANA ZAMBRANO MENDOZA, Autor ; GEORGE GARCÍA MERA, Autor ; KAROL YANELA REVILLA-ESCOBAR, Autor |La vainilla es uno de los aromas de mayor importancia a nivel comercial y es empleada en industrias como la farmacéutica, aromaterapia, perfumería y de alimentos. Sin embargo, los procesos de fabricación de estos productos podrían implicar opera[...]
texto impreso
Reducir la alta dependencia energética de los productos petrolíferos, y aumentar la seguridad del suministro de un combustible sostenible en el sector del transporte constituye un objetivo prioritario de la estrategia energética en la Unión Euro[...]Article : texto impreso
Efecto del almacenamiento de residuos del aserrado de pinos y abetos y su adaptabilidad como materias primas para tableros de partículas y tableros de fibra de densidad media (MDF). Parte 2: Investigaciones analíticas y microscópicas sobre el ca[...]
texto impreso
CARRILLO, LEONOR | 2004En este trabajo se analiza la fotosíntesis, biomasa, la conversión por microorganismos y la producción de etanol, biogas y biodisel.
texto impreso
En este trabajo se realiza a escala de laboratorio el proceso de hidrólisis ácida del bagazo utilizando ácido sulfúrico concentrado en una sola etapa y en una etapa modificada.
texto impreso
Simultaneous saccharification and fermentation (SSF) process for ethanol production from various lignocellulosic woody (poplar and eucalyptus) and herbaceous (Sorghum sp. bagasse, wheat straw and Brassica carinata residue) materials has been ass[...]
texto impreso
documento electrónico
GÓMEZ, BLANCA, Autor ; CAROLINA TARTAGLIA, Autor ; GUSTAVO DOMÍNGUEZ, Autor | Montevideo [URUGUAY] : Laboratorio Tecnológico del Uruguay (LATU) | 2017El uso de combustibles fósiles no es sustentable, por lo que es necesario desarrollar tecnologías sustentables, renovables y que permitan cubrir la demanda energética. En Uruguay se realiza la transformación del grano de sorgo en etanol desde ha[...]
texto impreso
The ethanol yield and productivity obtained during fermentation of lignocellulosic hydrolysates is decreased due to the presence of inhibiting compounds, such as weak acids, furans and phenolic compounds formed or released during hydrolysis. Thi[...]
texto impreso
During hydrolysis of lignocellulosic materials a wide range of compounds which are inhibitory to microorganisms are formed or released. Based on their origin the inhibitors are usually divided in three major groups: weak acids, furan derivatives[...]Article : texto impreso
Los principales grupos funcionales de los varios componentes recuperados de los extractivos de la madera de Pai utilizando solventes orgánicos, han sido identificados y asignados por medio del análisis infrarrojo por Transformada de Fourier.El a[...]
texto impreso
Lignocellulosic biomass can be utilized to produce ethanol, a promising alternative energy source for the limited crude oil. There are mainly two processes involved in the conversion: hydrolysis of cellulose in the lignocellulosic biomass to pro[...]
