La presente investigación, tuvo por objetivo cuantificar el consumo de combustible, la concentración de gases contaminantes, la eficiencia energética y diseñar estrategias que permitan reducir las emisiones gaseosas de un horno ladrillero artesanal ubicado en el sector Piñipampa, del distrito Andahuaylillas, Provincia de Quispicanchis, Región Cusco. El tipo de investigación corresponde a correlacional, con enfoque mixto (cualitativo y cuantitativo). Para determinar la magnitud de las emisiones de gases, se realizó mediciones del consumo de combustible, eficiencia energética, del mismo modo se midió la velocidad y flujo volumétrico a través del método 2 de la EPA; en cuanto a la valoración del efecto invernadero se midió las emisiones de SO2, NOx, CO, CO2 , y temperaturas del horno, del mismo modo se aplicó una encuesta a 80 pobladores de la zona de estudio, con el fin de ...

The removal of heavy metals from wastewater is an environmental challenge which demands the use of environmentally friendly materials that promote a circular economy. This study aimed to apply a novel composite of an activated nanoclay/hydrocolloid in the removal of heavy metals from wastewater. A composite blended under pressure was prepared with spray-dried hydrocolloid derived from Nostoc sphaericum algae and activated nanoclay in an acid medium and 1M NaCl. The composite and components were analyzed through infrared (IR), X-ray (XR), ζ potential, cation exchange capacity (CEC), particle size, and SEM images. The composite was subjected to the adsorption of heavy metals (Pb, As, Zn, and Cd) at pH 4.5 and the removal percentage, kinetics, and adsorption isotherms were evaluated. It was observed that the activated nanoclay and the composite that presented a particle size of around 400 ...

The avocado fruit is an agro-industrial product with high export demand in Peru due to its sensory and nutritional qualities, which can be affected during storage. The study aimed to evaluate the effect of the application of a coating formulated with potato starch (Solanum tuberosum ssp andigena), nopalmucilage (Opuntia ficus indica), and pectin on the physicochemical and physiological properties during the storage of Fuerte and Hass avocados. Samples were taken in their harvest state from the plantation in “Occobamba”, which is cultivated by the Avocado Producers Association in Chincheros, Apurímac, Peru. Physicochemical properties (titratable acidity, pH, total soluble solids) and physiological properties (weight loss, firmness, and color L* a* b*) were determined during 20 days of storage at 20 C. The elaborated films present high transparency and low aw values. In the coated avo...