What prompted me to carry out this investigation was the problem generated by solid plastic waste in the heroic city. This research had as objectives: (1) take advantage of the PET plastic solid waste to build an ecological room in Tacna, (2) determine the interior and exterior temperature of the building and (3) identify the advantages and disadvantages of ecological construction vs. a traditional construction. The ecological room had dimensions of 4.5 m x 3.5 m x 2.0 m and 3 200 plastic PET bottles compacted with soil were necessary for its construction. To prepare the complementary mixture used in the building, water, clay, farmland and dry Cynodon dactylon were used, in proportions of 6, 5, 4 and 0.05, respectively. The construction was carried out by forming layers composed of the mentioned polymer and the mixture. The roof of the eco-infrastructure was made up of corbels and wooden...

Air pollution in the city of Tacna, Peru, mainly attributed to its vehicle fleet, is a problem that has been evident for decades, slowly affecting the health of people, animals and the environment. The present investigation sought to determine to what extent the time of day, the places of monitoring and their interaction influence the levels of carbon monoxide (CO) and carbon dioxide (CO2) in the main points of the aforementioned city. Likewise, CO levels were compared with the Environmental Air Quality Standards according to Supreme Decree No. 003 - 2017 - MINAM (Peruvian regulations) and, finally, the degree of association between the number of motorized vehicles transiting through the area and the concentrations of these pollutants was determined. It was concluded that there is a significant effect of schedule, location and their interaction on CO and CO2 levels. On the other hand, th...

What prompted me to carry out this investigation was the problem generated by solid plastic waste in the heroic city. This research had as objectives: (1) take advantage of the PET plastic solid waste to build an ecological room in Tacna, (2) determine the interior and exterior temperature of the building and (3) identify the advantages and disadvantages of ecological construction vs. a traditional construction. The ecological room had dimensions of 4.5 m x 3.5 m x 2.0 m and 3 200 plastic PET bottles compacted with soil were necessary for its construction. To prepare the complementary mixture used in the building, water, clay, farmland and dry Cynodon dactylon were used, in proportions of 6, 5, 4 and 0.05, respectively. The construction was carried out by forming layers composed of the mentioned polymer and the mixture. The roof of the eco-infrastructure was made up of corbels and wooden...

La presente investigación tuvo como objetivo general evaluar e implementar un sistema de gestión de seguridad y salud ocupacional ambiental adecuada para el Instituto de Investigación en Agrobiotecnología y Recursos Genéticos (IRGAB) – UNJBG, que cuenta con un total de 16 colaboradores. Para diagnosticar su situación actual, se emplearon como instrumentos cuestionarios en materia de seguridad y salud ocupacional ambiental, la matriz denominada “Identificación de peligros y evaluación y control de riesgos ambientales ocupacionales” propuesta en el D.S. N° 005-2012-TR y, la matriz de valoración de impactos ambientales de Conesa (2000). Asimismo, se propuso una innovación tecnológica ambientalmente amigable elaborada a base de orujo de la uva generado en la bodega enológica para reducir el impacto ambiental de la institución. En cuanto al cumplimiento de lineamientos en ...

El presente trabajo de investigación se realizó con la consigna de determinar la influencia del nivel socioeconómico en la conciencia ambiental de la población del Distrito Coronel Gregorio Albarracín Lanchipa (DCGAL), de la ciudad de Tacna durante el año 2021. Para lograr esto, fue necesario entrevistar a una muestra conformada por 385 habitantes. Se estableció una correlación entre las tres dimensiones de la variable independiente (Nivel socioeconómico): “Nivel económico”, “Nivel educativo” y “Tipo de ocupación de los padres”; y la variable dependiente denominada: “Conciencia ambiental” empleando la estadística de Rho de Spearman. Se pudo determinar que el nivel económico influye débilmente de forma positiva en la conciencia ambiental, estableciendo un valor de correlación igual a 0,318; el nivel educativo influye débilmente de forma positiva en la conci...

La presente investigación estuvo orientada a determinar el nivel de relación que existe entre la autoestima (de dimensiones: de sí mismo, social y familiar) y la actitud hacia la investigación (de dimensiones: afectiva, cognoscitiva y conductual) en estudiantes de Ingeniería Ambiental (ESAM) de la UNJBG en tiempos de pandemia. La técnica empleada durante la investigación fue la encuesta y los instrumentos, fueron cuestionarios para determinar el nivel de autoestima y la actitud hacia la investigación, además de datos generales del encuestado. La Dirección de Escuela otorgó el permiso para la realización de la investigación. La recolección de datos se dio tanto de forma virtual (mediante formularios de Google Forms enviados por WhatsApp a los estudiantes), como presencialmente (durante las labores académicas). La investigación fue de tipo transversal, con un nivel correlac...

What prompted me to carry out this investigation was the problem generated by solid plastic waste in the heroic city. This research had as objectives: (1) take advantage of the PET plastic solid waste to build an ecological room in Tacna, (2) determine the interior and exterior temperature of the building and (3) identify the advantages and disadvantages of ecological construction vs. a traditional construction. The ecological room had dimensions of 4.5 m x 3.5 m x 2.0 m and 3 200 plastic PET bottles compacted with soil were necessary for its construction. To prepare the complementary mixture used in the building, water, clay, farmland and dry Cynodon dactylon were used, in proportions of 6, 5, 4 and 0.05, respectively. The construction was carried out by forming layers composed of the mentioned polymer and the mixture. The roof of the eco-infrastructure was made up of corbels and wooden...

Air pollution in the city of Tacna, Peru, mainly attributed to its vehicle fleet, is a problem that has been evident for decades, slowly affecting the health of people, animals and the environment. The present investigation sought to determine to what extent the time of day, the places of monitoring and their interaction influence the levels of carbon monoxide (CO) and carbon dioxide (CO2) in the main points of the aforementioned city. Likewise, CO levels were compared with the Environmental Air Quality Standards according to Supreme Decree No. 003 - 2017 - MINAM (Peruvian regulations) and, finally, the degree of association between the number of motorized vehicles transiting through the area and the concentrations of these pollutants was determined. It was concluded that there is a significant effect of schedule, location and their interaction on CO and CO2 levels. On the other hand, th...

The valorization of agro-industrial by-products constitutes a key strategy for the development of sustainable ingredients. In this context, grape pomace, a residue generated during winemaking, represents a potential source of bioactive compounds and nutrients with applications in the food industry. The objective of this study was to evaluate and compare the proximate composition of flours produced from pomaces of two Vitis vinifera varieties (Negra Criolla and Italia), in order to identify relevant nutritional differences. Fresh pomaces were collected, subjected to drying, milling, and subsequent proximate chemical analysis following standardized methods. The results showed no significant differences in ash content (U=3.00; p=0.51), carbohydrates (U=1.00; p=0.12), moisture (t=0.99; p=0.37), crude fiber (t=-1.34; p=0.25), and total energy (t=-1.33; p=0.25). However, significant difference...

Magollo's stabilization ponds have been on the verge of collapse on several occasions, resulting in inefficient pollutant removal. The present investigation sought to perform a comparative evaluation of water hyacinth (Eichhornia Crassipes) and water lettuce (Pistia Stratiotes) for the treatment of wastewater from the stabilization ponds of Magollo, Tacna - Peru. For this, 6 polypropylene containers were used (3 to position Eichhornia Crassipes and 3, for Pistia stratiotes), depositing 20 liters of residual water collected from the Magollo lagoons in each one (all being fed by oxygenation engines of 2,5 Wts). The analyzes were carried out following the stipulations of the “Standard Methods for the examination of Water and Wastewater” in the facilities of the Analytical Laboratory E.I.R.L at 0, 20, 40 and 60 days of hydraulic retention. It was determined that Eichhornia crassipes is m...

This research was developed in the city of Tacna, Peru, at an altitude of 564 m.a.s.l., with temperatures that varied from 12 ° C to 26 ° C. The purpose was to determine the economic and environmental feasibility of the use of ecological bricks (PET plastic compounds, ash from the establishment of sale of grilled chickens, sand and cement) for constructions, trying to provide an alternative solution parallel to the problem of atmospheric pollution caused by the brickyards and the abundance of solid waste in Tacna. Initially, 7 brick samples were manufactured with the mentioned components at different concentrations. These were subjected to tests for compressive strength, water absorption and heat transfer. Finally, an optimization was carried out, obtaining as ideal proportions: 50% cement, 25% PET plastic, 20% sand and 5% ash for the manufacture of ecological bricks, which complied wi...

This research was developed in the city of Tacna, Peru, at an altitude of 564 m.a.s.l., with temperatures that varied from 12 ° C to 26 ° C. The purpose was to determine the economic and environmental feasibility of the use of ecological bricks (PET plastic compounds, ash from the establishment of sale of grilled chickens, sand and cement) for constructions, trying to provide an alternative solution parallel to the problem of atmospheric pollution caused by the brickyards and the abundance of solid waste in Tacna. Initially, 7 brick samples were manufactured with the mentioned components at different concentrations. These were subjected to tests for compressive strength, water absorption and heat transfer. Finally, an optimization was carried out, obtaining as ideal proportions: 50% cement, 25% PET plastic, 20% sand and 5% ash for the manufacture of ecological bricks, which complied wi...

La zona marino costero del distrito de Ite, ubicado en Tacna, Perú, presenta los efectos del pasivo minero por la presencia de metales pesados. La presente investigación diagnosticó y comparó las concentraciones promedio de cadmio (Cd), mercurio (Hg), plomo (Pb) arsénico (As) y zinc (Zn) en Concholepas concholepas, Fissurella latimarginata y Thais chocolata, moluscos recolectados de los bancos naturales Punta Meca y Santa Rosa de diferentes grupos etarios. Las muestras fueron recolectadas en tres transectos lineales de 1000 m por área de estudio. Para la determinación de la concentración de metales pesados se empleó se empleó la metodología ICP (EPA Method 200.7.1994), que consiste en secar las muestras biológicas de los individuos a 105 °C, triturarlas y homogeneizarlas con la ayuda de un mortero, previo a la prueba de absorción atómica. La especie T. chocolata superó lo...

La industria alimentaria, en constante crecimiento y cada vez más competitiva, enfrenta una demanda cada vez más exigente que promueve la necesidad de crear productos innovadores que satisfagan las preferencias del consumidor. En este contexto, el objetivo del estudio fue desarrollar una conserva a base de jurel (Trachurus picturatus murphyi) con mango (Mangifera indica) en almíbar. Para ello, se evaluó la composición del líquido de gobierno y la mejor proporción de materias primas con la participación de 10 jueces. El líquido de gobierno seleccionados fue el T2, compuesto de Agua (81,20 %), azúcar (26,44 %), CMC (2,43 %) y ácido cítrico (0,12 %). La proporción adecuada de materias primas (Y3) consistió en una relación 1:1 de trozos de jurel y mango. Además, se realizaron análisis físicos, microbiológicos, proximales y de costos. La conserva presentó un pH de 6,5 y un...

Los coagulantes naturales son una alternativa viable para la aceleración de la sedimentación en el proceso de potabilización de aguas, con ciertos beneficios como la generación de lodos enriquecidos en nutrientes para ser aprovechados posteriormente y la inocuidad contra el ambiente, a diferencia de los coagulantes químicos. Por ello, el presente estudio tuvo como objetivo: Optimizar las dosis de moringa (Moringa oleífera) y almidón de yuca (Manihot esculenta) coadyucados por hidróxido de sodio como coagulantes para la potabilización de aguas del Río Caplina de Tacna. Se realizó un diseño factorial multinivel de 5 x 5 x 3 con un total 75 unidades experimentales y se evaluó las variables: pH y tiempo de sedimentación. El rendimiento de la moringa y la yuca para la preparación de coagulantes, fue del 75 % y 15.6 %, respectivamente. Se determinó que, a una concentración de ...

Natural coagulants are a viable alternative to accelerate sedimentation in the water purification process, with certain benefits such as the generation of nutrient-enriched sludge to be used later and safety against the environment, unlike chemical coagulants. Therefore, the present study aimed to: Optimize the doses of moringa (Moringa oleifera) and cassava starch (Manihot esculenta) assisted by sodium hydroxide as coagulants for the purification of waters from the Caplina River in Tacna. A multilevel factorial design of 5 x 5 x 3 was carried out with a total of 75 experimental units and the variables were evaluated: pH and sedimentation time. The yield of moringa and cassava for the preparation of coagulants was 75% and 15.6%, respectively. It was determined that, at a concentration of NaOH at 0.0049 M, 3.2 g / L of cassava starch and 0.1 g / L of moringa seed powder, the optimal dose ...

Compost is a natural fertilizer that is obtained from the use of solid organic waste, limiting the environmental impact that it causes. The purpose of this investigation was to determine the influence of Mende and water in the pH stabilization, and the efficiency of the compost made from waste from green areas of the District of Tacna. A 3x3 multilevel factorial design was used. It was verified that a dose of 1.5 L of Mende and 33.5 L of water achieve a pH of 7.95 and a compost obtaining efficiency of 38.80 %. After laboratory analysis, it was determined that this compost managed to meet the internationally required parameters (temperature, organic matter, C/N ratio, humidity, total nitrogen, phosphorus and potassium) in the EPA 40CFR 503, Mexico NTEA-006 – SMA-2006 and Chile Nch 2880 2004. It was concluded that it is possible to take advantage of the waste from green areas in the city...