Buscar
Mostrando ítems 1-10 de 24
Determination of polychlorinated biphenyls in biosolids using continuous ultrasound-assisted pressurized solvent extraction and gas chromatography–mass spectrometry
(ELSEVIER SCIENCE BV, 2008-06-06)
An efficient continuous pressurized solvent extraction (PSE) method assisted by ultrasound energy was
developed for the extraction of polychlorinated biphenyls (PCBs) from biosolids. Analytes were determined
in the ...
Análisis del rendimiento en la extraccion de aceite de jatropha curcas l. Por los métodos de extracciónquímica y ultrasonido
(Universidad LibreColombia, 2018)
En el presente trabajo se evaluó la influencia del solvente, de los métodos extracción en el rendimiento de aceite, y se realizó un procesamiento estadístico de los resultados a fin de validar la metodología empleada. El ...
Using a mediator system to increase the delignification of sugarcane residues with fungal enzymes
(Universidad Autónoma de Occidente, 2015-12)
Industrial residues are resources that generate regional energy security but they have not been sufficiently
valued. In southern Colombia, the sugar cane sector produces approximately 9´000 000 T/year of
residues, mostly ...
Using a mediator system to increase the delignification of sugarcane residues with fungal enzymes
(Instituto Colombiano del Petróleo (ICP) - ECOPETROL S.A., 2015)
Industrial residues are resources that generate regional energy security but they have not been sufficiently valued. In southern Colombia, the sugar cane sector produces approximately 9´000 000 T/year of residues, mostly ...
Uso de mezclas de solventes en la extracción del carotenoide licopeno del tomate chonto (Lycopersicum esculentum)
(Universidad Católica de Colombia. Departamento de Ciencias BásicasBogotá, 2019)
En esta investigación se compara el rendimiento de la extracción del carotenoide
licopeno del tomate chonto (Lycopersicum esculentum) usando mezclas de
solventes que cubren todo el rango de polaridad. Utilizando tomate ...
Polychlorinated biphenyl behavior in soils amended with biosolids
(ELSEVIER, 2010)
Assessment of the mobility of polychlorinated biphenyls (PCBs) in soils, amended with biosolids at a rate
of 30 Mg ha 1, was performed using an incubation process and leaching columns. The incubation process
was carried ...
Synthesis of geopolymers from fly and bottom ashes of a thermoelectrical power plant for metallic ions adsorption
(Springer Science + Business MediaGermany, 2022)
Ultrasound Applied in the Reduction of Viscosity of Heavy Crude Oil
(Universidad de AntioquiaColombia, 2020)
Reducir la viscosidad del petróleo pesado mediante técnicas de mejora es crucial para mantener la demanda de petróleo, que está creciendo a una tasa anual del 1.8%. El fenómeno de la cavitación acústica se produce cuando ...
Performance of biodiesel production by means of Ultrasonic TransesterificationDesempeño de producción de biodiesel por medio de Transesterificación Ultrasónica
(Corporación Universidad de la CostaColombia, 2023)
Oxidative chemical beneficiation of low-quality coals under low-energy ultrasonic and microwave irradiation: an environmental-friendly approach
(Corporación Universidad de la Costa, 2021)