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Contact time and pH of the granadilla skin (Passiflora ligularis L.) in the zinc biosorption in the contaminated waters of the Rio Grande [Tiempo de Contacto y pH de la Cascara de Granadilla (Passiflora ligularis L.) en la Biosorción de Zinc en Aguas Contaminadas del Rio Grande]
(LACCEI, 2020-09-15)
Acceso abierto
ABSTRACT
The purpose of this research was to evaluate the influence of contact time and pH on zinc biosorption of contaminated waters of the Rio Grande - Quiruvilca, using granadilla husks. Contaminated water was initially ...
Adsorption of lead (Pb) from contaminated aqueous mediums using banana (Musa paradisiaca) peel [Adsorción de plomo (Pb) de aguas contaminadas mediante cáscara de plátano (Musa paradisiaca)]
(LACCEI, 2018-07-07)
Acceso abierto
RESUMEN
El objetivo del estudio fue evaluar la viabilidad para remover plomo (Pb) de aguas contaminadas utilizando biomasa de cáscara de plátano. Se evaluaron el tamaño de partícula de la biomasa y el tiempo de contacto, ...
Adsorbent material based on passion-fruit wastes to remove lead (Pb), chromium (Cr) and copper (Cu) from metal-contaminated waters
(AIP Publishing, 2018-04-24)
Acceso abierto
ABSTRACT
The aim of the present work was to evaluate the feasibility of passion-fruit shell (PFS) biomass as adsorbent material to remove heavy metals from contaminated waters. Model mediums were used, which were composed ...
Unraveling the selective antibacterial activity and chemical composition of citrus essential oils
(Springer Nature, 2019-11-27)
Acceso abierto
ABSTRACT
Post-weaning diarrhea (PWD) is an often disease affecting piglets. It is caused mainly by enterotoxigenic Escherichia coli (ETEC) colonization in pig gut. Antibiotics has been used to prevent, combat and control ...
Ultrasound-assisted hydration with sodium bicarbonate solution enhances hydration-cooking of pigeon pea
(Elsevier, 2021-02-27)
Acceso abierto
ABSTRACT
This work studied the effect of ultrasound power and sodium bicarbonate (NaHCO3) concentration during soaking process on the hydration and cooking kinetics of pigeon pea (Cajanus cajan). The pigeon pea grains ...
Strategic model and its impact on the commercial management of an PYME company in the automotive sector [Modelo estratégico y su impacto en la gestión comercial de una empresa PYME del sector automotriz]
(LACCEI, 2020-09-15)
Acceso abierto
ABSTRACT
The objective of the research was to determine the impact of a strategic model on the commercial management of an Pyme company in the automotive sector. The study was preexperimental pre-test and post-test. The ...
Effect of tunnel drying, freeze-drying and spray-drying on antioxidant activity and phenolic compounds of huacatay [Efecto del secado por túnel, liofilización y atomización sobre la capacidad antioxidante y compuestos fenólicos de huacatay]
(LACCEI, 2020-09-15)
Acceso abierto
RESUMEN
El objetivo del estudio fue evaluar el efecto de tres tipos de secado sobre la capacidad antioxidante y compuestos fenólicos en hojas de huacatay (Tagetes minuta). Se trabajó con secado por túnel de aire caliente ...
Prickly pear, potential adsorbent of copper (Cu2+), iron (Fe3+) and chromium (Cr3+) from contaminated waters [Tuna, potencial adsorbente de cobre (Cu2+), hierro (Fe3+) y cromo (Cr3+) de aguas contaminadas]
(LACCEI, 2020-09-15)
Acceso abierto
ABSTRACT
The aim of the study was to evaluate the potential of prickly pear cactus cladode (Opuntia ficus) to remove copper (Cu2+), iron (Fe3+) and chromium (Cr3+) from aqueous solutions. Distilled water mixed with Cu2+, ...
Pre-treatments applied to rice husk enzymatic hydrolysis: effect on structure, lignocellulosic components, and glucose production kinetics
(LACCEI, 2020-09-15)
Acceso abierto
ABSTRACT
Freezing (-20 °C, 12h) and alkaline (NaOH 8%) pretreatments were applied individually and combined in rice husk (Oryza sativa L.) before their hydrolysis with cellulase (EC: 3.2.1.4.). The effects on structural ...
Strategic model and its influence on the positioning of the construction and Consultant José Abiel SAC, Jaén, 2018 [Modelo Estratégico y su Influencia en el Posicionamiento de la Constructora y Consultora José Abiel SAC, Jaén, 2018]
(LACCEI, 2020-09-15)
Acceso abierto
RESUMEN
El siguiente artículo corresponde a la implementación del modelo estratégico en el posicionamiento de la Constructora y Consultora José Abiel S.A.C. de Jaén en el año 2018. Para ello, se siguió un enfoque de ...