Evaluation of a microbial enzyme complex on the rate of aerobic biodepuration of domestic wastewater

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Lozano Povis Arlitt Amy; Adrian Sanabria Perez Elías; Quispe Kevin Ortega

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Journal Paper

Paper Information

Journal: ADVANCES IN ENVIRONMENTAL TECHNOLOGY Year:2024 | Volume:10 | Issue:2 Page(s): 131-141

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Information Journal Paper

Title

Evaluation of a microbial enzyme complex on the rate of aerobic biodepuration of domestic wastewater

Author(s)

Lozano Povis Arlitt Amy | Adrian Sanabria Perez Elías | Quispe Kevin Ortega | Issue Writer Certificate

Keywords

ٍٍEnzymes

biodepuration

Wastewater

oxygenation

kinetic

Abstract

The present study evaluated the impact of the concentration of a microbial enzyme complex on the aerobic purification rate of domestic wastewater. A diverse and active microbial enzyme complex allows the efficient degradation of organic pollutants present in wastewater. In addition, environmental conditions, such as nutrient availability and optimum temperature, favor enzymatic activity and the performance of the purification process. For this purpose, aerobic depuration tests were carried out in a bioreactor considering three concentration levels of the microbial enzyme complex (1.0, 1.5, and 2.0 g/L), a controlled temperature of 17°C, and a dissolved oxygen concentration of 3.0 ppm. The adaptation process of the microorganisms lasted two days, with a daily decrease in the Chemical Oxygen Demand (COD) of 62.8, 71.1, and 77.9 ppm. Therefore, the removal rate increased with the concentration of the microbial enzyme complex, and the treatment time had a significant effect on the speed of purification.

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