Evaluation of an anaerobic baffle reactor (ABR) for the treatment of wastewater from a wet coffee mill

Authors

  • Ana Gloria Montes Peña Ingeniera Química, M. Sc. en Ingeniería Sanitaria, ERIS-USAC, Guatemala
  • Adán Pocasangre Collazos Ingeniero Civil, M. Sc. en Ingeniería Sanitaria, ERIS-USAC, Guatemala. Profesor titular ERIS-USAC, Guatemala

Keywords:

Wastewater, wastewater characteristics, water analysis, biological processes, coffee processing wastewater, hydrogen potential

Abstract

This article shows the results of the evaluation of an anaerobic reactor with baffles (ABR) built on a laboratory scale, to determine its efficiency in the treatment of coffe processing wastewater generated in a coffee milling located in Santa Rosa, Guatemala. Based on the physicochemical analyzes carried out, it was determined that the reactor was capable of increasing the hydrogen potential by 23%, from 3.5 to 4.3 units, the alkalinity decreased from 4,100 to 1,833 mg/L of CaCO3 obtaining an efficiency of 54%, the chemical oxygen demand decreased by 61%, modifying with the treatment from 20,816 to 6,700 mg/L and the biochemical oxygen demand went from 16,511 to 5,541 mg / having a decrease of 37%.

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References

Asociación Nacional del Café (2017). Manual de Beneficiado Húmedo del Café, Guatemala. Recuperado de https://www.anacafe.org/ glifos/index.php/Caficultura_BeneficiadoHume d. Consultado el 4 de mayo 2018.

Foxon, Buckley, Brouckaert, Dama, Mtembu, Rodda, Smith, Pillay, Arjun, Lalbahadur y Bux, (2006). The evaluation of the anaerobic baffled reactor for sanitation in dense peri-urban settlements. Reporte de la comisión de investigación del agua. Universidad de KwaZulu-Natal, Durban e Instituto de Tecnología de Durban. WRC (ISBN No: 1-77005-371-9).

Herrera, A. y Montes, A, (2017). Diseño, construcción y evaluación de un reactor anaeróbico para el tratamiento de las aguamieles de un beneficio húmedo de café. Tesis de maestría. Universidad de San Carlos de Guatemala, Guatemala.

Jingxia, Y., Stewart, M. & Xiaoliang, D., (2014). “Cog” anaerobic process for the treatment and valorization of coffee processing wastewater. Ponencia presentada en la quinta conferencia de Ingeniería de desechos y valorización de la biomasa, Rio de Janeiro, Brasil.

Romero, J. (Ed.). (2004). Tratamiento de Aguas Residuales, Teoría y principios de diseño. Colombia: Editorial Escuela Colombiana de Ingeniería.

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Published

2019-12-31

How to Cite

Montes Peña, A. G. ., & Pocasangre Collazos, A. (2019). Evaluation of an anaerobic baffle reactor (ABR) for the treatment of wastewater from a wet coffee mill. Agua, Saneamiento & Ambiente, 14(1), 61–69. Retrieved from https://revistas.usac.edu.gt/index.php/asa/article/view/1172

Issue

Vol. 14 No. 1 (2019)

Section

Scientific Articles

License

Creative Commons License

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