Evaluation of the aerobic and anaerobic degradation of an industrial effluent from vegetable tannery processing of leather on batch reactors

Anyela Ramirez Canon, Athanasios Angelis-Dimakis, Diana Carolina Ospina-Mora

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

In this study, the aerobic and anaerobic biodegradability of the industrial wastewater from the vegetable tanning process were evaluated. Water from a food wastewater treatment system was used as seed inoculum for the aerobic process and mature granular methanogenic sludge from a brewery industrial wastewater plant was used for the anaerobic process. The water from the tanning industry had a biological to chemical oxygen demand ratio of 33% with values of total chemical oxygen demand (COD) in the range of 342000 mg O2/L and total dissolved solids of 506595 mg/L. The assay of the tannery effluent under aerobic conditions resulted in a degradation of tannins of 39.2% after 26 days, while the anaerobic degradation had an average of 65% with a 35% attributed mainly to degradation of tannins. The production of methane and Volatile Fatty Acids, during the anaerobic treatment, suggests a potential adaptation of biological organisms present in the mature anaerobic granular methanogenic sludge.

Original languageEnglish
Pages (from-to)22-28
Number of pages7
JournalGlobal Nest Journal
Volume23
Issue number1
Early online date16 Dec 2020
DOIs
Publication statusPublished - 1 Jun 2021

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