One of the main problems of the districts at the level of Peru is the inadequate management of solid waste, from which the importance of having adequate knowledge of the type of segregation of solid waste in households is considered, in this article The aim is to create a measurement instrument that is useful for evaluating the perception of the population towards the source segregation program. The instrument has a quantity of 27 items and it carried out a pilot test of the instrument being carried out in the city of Tarapoto in the jungle of Peru with a quantity of 50 participants, in which the average age of the participants was 23 years and the largest number of participants was female. The survey had as conclusions that the instrument developed in this research work, we observe that allows the municipality to see its errors and improve its management of the Segregation program at the source. Likewise, for this program to be successfully developed, it starts from the commitment of the population, this being the main objective of the instrument developed, to examine whether there is a positive response from the population regarding the program.
The population growth, access to services to achieve a better quality of life, access to employment, and other factors have caused rapid urbanization in unsuitable and overcrowded areas in Latin American countries. The 2030 agenda aims to achieve sustainable cities and communities that offer amenities and safety based on construction and planning requirements in line with regional and national development. This motivated the study of a populated area in the Peruvian jungle, conducting a geotechnical zoning of soils based on their chemical, physical, and mechanical properties. Twelve strategically distributed soil pits were excavated in the study area according to the technical requirements of Soil and Foundation standard E050, and this was complemented by six laboratory tests, the most important of which were the Direct Shear and Modified Proctor tests. Based on these, soil types were identified as low and high plasticity clay (CL and CH) and low and high plasticity silt (ML and MH). The Standard Proctor test determined that the maximum density is within the range of 1.598 to 1.933, and the Direct Shear test determined that they exceed the minimum regulatory value of 0.50kg/cm 2 . Regarding the soluble salt analysis, a minimum percentage of salinity was found. Soil zoning maps were developed, and it was concluded that the study area in the Peruvian High Jungle is suitable for constructing buildings no taller than three floors. Additionally, due to its low salinity, the soil can be used as a material for construction using Portland Type I cement
The bioadsorption treatment was performed on the wastewater from a university chemical analysis laboratory using Chondracanthus chamissoi algae, commonly known as "mococho," as the biomass. The study factors included the concentration of hydrochloric acid ranging from 1 to 2 N and contact times ranging from 2 to 7 hours in a continuous flow bioreactor. The objective was to determine the combination of factors that maximizes the removal of Lead (Pb) and Cadmium (Cd). A 2k factorial design with central points and the response surface method were used. From the results, it was found that the combination of factors, hydrochloric acid concentration (HCl), and contact time that maximizes the removal of Pb ions is 2.5 N and 6.8 hours, while the combination of factors that maximizes the removal of Cd ions is 2.1 N and 22 hours. It was determined that the study factors generate statistically significant differences in the removal of Pb compared to Cd.
Influencia de la adición del 0.2%, 0.3% y 0.4% de tereftalato de polietileno en las propiedades de resistencia y permeabilidad de pavimento de concretoInfluence of the improvement of 0.2%, 0.3% and 0.4% of polyethylene terephthalate on the strength and permeability properties of concrete pavement
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