alexa Evaluation of Stability Factors in the Anaerobic Treatment of Slaughterhouse Wastewater | OMICS International | Abstract
ISSN: 2155-6199

Journal of Bioremediation & Biodegradation
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Research Article

Evaluation of Stability Factors in the Anaerobic Treatment of Slaughterhouse Wastewater

Edith Padilla-Gasca, Alberto López-López* and Juan Gallardo-Valdez
Unidad de Tecnología Ambiental, Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco, Guadalajara, México
Corresponding Author : Dr. Alberto López-López
Unidad de Tecnología Ambiental
Centro de Investigación y Asistencia en Tecnología y Diseño del Estado de Jalisco,
Guadalajara, México
E-mail: [email protected], [email protected]
Received: October 01, 2010; Accepted: February 08, 2011; Published: February 10, 2011
Citation: Padilla-Gasca E, López-López A, Gallardo-Valdez J(2011) Evaluation of Stability Factors in the Anaerobic Treatment of Slaughterhouse Wastewater. J Bioremed Biodegrad 2:114. doi:10.4172/2155-6199.1000114
Copyright: © 2011 Padilla-Gasca E, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

The main environmental factors that assured the stability of an anaerobic batch process for the treatment of slaughterhouse wastewater were evaluated. The reactor was inoculated with anaerobic sludge from a distillery wastewater treatment plant. The volume of produced CH4 was proportional to the quantity of organic matter removed matter (measured as Chemical Oxygen Demand, COD). The overall organic matter removal was 75%. The acetic, propionic and butyric acids concentration profiles were similar, where acetic acid had the highest concentration throughout the study period. The response time recorded between the acetogenic and methanogenic stages in this study was two days. The process showed an elevated acidogenic activity of 1.62 g of VFA/g of COD removed and a high Methane Production Rate (MPR) of about 450 ml of CH4/g of COD removed. The anaerobic treatment of slaughterhouse wastewater generated a buffer system which produced sufficient alkalinity to neutralize the effects of Volatile Fatty Acids (VFA) generated during the process.

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