Cajamarca Correa, Steeven Avelino; Carpio Galarza, Carlos Andrés(2024)
The construction industry is a sector with high risk rates due to the nature of the activities and the chemical agents that are handled; For this reason, it is essential to guarantee the safety and health of workers to ...
Jaramillo Obaco, Xiomara Lisseth; Ángel Feijoo, Joan Sebastián(2024)
Fishing industries generate wastewater with high concentrations of organic matter, which represents a significant environmental challenge. In particular, fishmeal processing plants require efficient treatment systems to ...
The objective of this research was the production and physicochemical characterization of biochars from organic waste, specifically coconut shell and orange peel, collected from the "25 de Junio" market in Machala. The ...
The contamination of water bodies by polycyclic aromatic hydrocarbons (PAHs) from lubricant workshops represents a significant environmental concern due to the toxicity, persistence, and potential bioaccumulation of these ...
Romero Mariño, José Ricardo; Chamba Escobar, Emely Nahomi(2024)
In this project, a mine drainage treatment process was designed and implemented using the physicochemical systems of sedimentation and coagulation-flocculation. An effective sedimentation column was constructed that removed ...
The objective of this research work is to evaluate the efficiency of eggshell as a basic heterogeneous catalyst based on calcium oxide (CaO) applied in the process of transesterification of chicken fat to obtain biodiesel, ...
Sigsig Cabrera, Diana Janneth; Campoverde León, Juan Andrés(2024)
Bromelain is a proteolytic enzyme present in pineapple (Ananas comosus), with applications in pharmaceutical, food and biotechnological industries. The study focused on the extraction of bromelain from pineapple residues, ...
Cadmium (Cd+2) is a heavy metal considered highly toxic, its characteristics have made it the major pollutant of water sources due to industrial activities, especially at the end of a process in mining activities, this ...
Cabrera Palacios, Washington Jair; Espinoza Aguirre, Martha Cristina(2024)
This study addresses the need to develop sustainable adsorbent materials for gold recovery in metallurgical processes. Activated carbon (AC) was developed from banana rachis, an abundant agricultural waste in banana-producing ...
Lazo Chica, Dennis Brigitte; Ulloa Gonzáles, Angie Lilibeth(2024)
Lead contamination in aquatic systems is an environmental problem due to its toxicity and bioaccumulation and the quest to reduce contamination through the utilization of lignocellulosic wastes has begun to gain importance. ...
Balcázar Suarez, Cristian Alexander; León Espinoza, Carlos Javier(2024)
This study aimed to obtain an optimal ethanol yield by co-fermenting cocoa mucilage (CM) and ripe banana peel (RB), with a view to producing second-generation ethanol. To this end, several specific objectives were set, ...
Copper is one of the metals that is often found exceeding permissible limits due to anthropogenic factors, making it a risk for human health and the environment. In this context, the development of polymeric materials for ...
The present study is governed by the extraction and characterization of the essential oil of mullein (Bonellia sprucei), by means of steam distillation. Through the application of gas chromatography coupled to mass ...
Armijos Correa, Jerry Giovanni; Agreda Valle, Evelin Daniela(2024)
Plastic pollution is one of the most critical environmental problems today. These materials, derived from fossil fuels, have a short lifespan, but remain in the environment for centuries. A sustainable alternative to ...
Herrera Ochoa, Luis Enrique; León Cueva, Carlos Sebastián(2024)
This research evaluates the foaming capacity of eucalyptus essential oil in the flotation process of gold minerals, comparing it with a conventional frother commonly used in this process. The objective of this study is to ...
Garcés Landín, Jennifer Nohelia; Miranda Monserrate, Bryan Eduardo(2024)
In the present titration work, the main objective was to obtain an activated carbon from grape seed tannin gels, to be applied in the adsorption of gold in aqueous solutions. Gold recovery is an essential process within ...
Feijoo Males, Diego Raúl; Sánchez Armijos, Jesús Andrés(2024)
The objective of this research is to evaluate the operational efficiency of an induced-draft counterflow cooling tower, a widely used industrial system designed to reduce water temperature through mass and energy transfer. ...
The fermentation of cocoa almonds is a key process in determining their final quality, affecting physicochemical parameters such as pH, acidity, turbidity, and the oxidative stability of cocoa butter. In this study, the ...
Zambrano Reyes, Amy Mercedes; Largo Campoverde, Gerson Adrián(Machala: Universidad Técnica de Machala, 2024)
Soil contamination by heavy metals, such as cadmium, often involves the presence of multiple coexisting metals, complicating its control and remediation. Despite current methods, contaminant residues persist, negatively ...
Quizhpi Maldonado, Stephany Michelle; Macas Córdova, Mayeli Lizbeth(Machala: Universidad Técnica de Machala, 2024)
Given the great incidence that plastic products have in human life, it has been proposed to develop a biofilm with cellulose from banana rachis, which is a very abundant agricultural waste in the Banana Capital of the ...