La biomasa residual fundo de Majes de la Universidad Católica de Santa María (UCSM) es limitada para alimentar el Biodigestor de la planta de High Performance & Temperature Controlled - Rottaler Modell (HPTC-RM) de dos etapas (Hidrolítica y Metanogénica), la planta puede producir 10m3.h-1 de biogás con una eficiencia de 60 - 68% de volumen de metano por hora, sin embargo, actualmente la planta alcanza solo el 1.25% de rendimiento de lo esperado y es alimentada con estiércol de vaca o de cerdo.   El problema es la variabilidad de cultivos que no generan significativa biomasa, las brosas no alcanzan las dos toneladas por cada dos días, es por ello que se requiere implementar un sistema sostenible de cultivo energético, en el presente trabajo de investigación se determinó el potencial de producción factible para la planta HPTC-RM de la UCSM utilizando pencas podadas de O...

Modern agricultural treatment affects soils by reducing their microbial flora and stimulates pathogens to resist the effect of agrochemicals, although there are biological options on the market, these are not competitive, different efforts are made to develop biological controllers that increase the percentage of viable spores, better performance of the substrate design and aggressive antagonism against the pathogen, to carry out these evaluations the present research applied a random factorial design resulting in a matrix of 20 experimental units to determine the concentration values for the design of the substrate and optimal viability spores of Trichoderma spp. by solid fermentation applying a byproduct of Oryza sativa (rice) as substrate.The study strains were molecularly identified as Trichoderma Harzianum sp. and Fusarium oxisporum sp. which were faced in antagonism tests identifyi...

The presence of hydrocarbons in soils and waters represents a serious problem of global environmental pollution, often caused by accidental spills of petroleum products such as diesel. Natural bioremediation is shown as an environmentally friendly alternative. The native communities of microorganisms present in a body affected by pollution, metabolicallycooperate with each other to survive; these have developed mechanisms of adaptation to adverse environments using the contaminating agent itself as a substrate. Currently, bioremediation systems require long times to obtain efficient degradation results; that is why, in the present investigation, microorganisms from a soil with the presence of diesel have been isolated from spills, for which the physicochemical characterization of contaminated soil was carried out. Next, two strains were isolated and molecularly identified, determining th...

The Oryza sativahusk is usually discarded and incinerated without control, which is why in the present investigation it was given an alternative use by means of its transformation into different adsorbent materials coded as HRKOH, ACARROZ and ACFeO. (CAC for commercial activated carbon), the activation of the husk was carried out in a chemical way using Caustic Potassium at 40% this to lyse lignocellulosic structures; subsequently, a metal oxide was added chemically. The process was optimized through a multilevel factorial design, the maximum yield was recorded by the HRKOH material and was 94.45%, however, due to its low porosity and consequently low retention of pollutants, it was not considered a competent material., the field tests regarding the adsorption of hydrogen sulfide showed similar behaviors between ACarroz, ACFeO and CAC, so it was decided to contrast the material ACARROZ v...