Construction and evaluation of a dry anaerobic digestion reactor for the degradation of solid waste from the textile industry with the use of fungal keratinolytic strains

Cesar A. Munive-Talavera, Jaime E. Barreda-Del-Carpio, Luz Cardenas-Herrera, Giovanna M. Moscoso-Apaza, Ruth E. Garate-De-Davila, Maria A. Salamanca-Valdivia

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Twenty-three fungal strains were isolated from solid waste generated in the processing of alpaca and sheep wool from the company Inca Tops S. A. in Arequipa-Peru, as well as from cow rumen. Quantitative analyzes were carried out resulting in the selection of 5 microbial strains: Aspergillus sp., Fusarium oxysporum, Aspergillus sp., Fusarium oxysporum, and Fusarium sp. An experimental dry anaerobic digestion (DAD) reactor with 20L capacity was built, the configuration of which was made taking into account a one-stage batch system with feed recirculation and biomass ratio of 2:1 working at room temperature. Evaluation of the dry anaerobic digester was performed comparing the initial and final biomass after 60 days operation time, resulting in a decrease in the percentage of total solids from 37.91% to 28.82%, volatile solids percentage from 19.64% to 15.71%, chemical oxygen demand from 2 080.19 mg/Kg to 1414.63mg/Kg, and pH from 7.35 to 7.15.

Original languageEnglish
Title of host publication10th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages155-158
Number of pages4
ISBN (Electronic)9781665445245
DOIs
StatePublished - 2021
Externally publishedYes
Event10th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2021 - Istanbul, Turkey
Duration: 26 Sep 202129 Sep 2021

Publication series

Name10th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2021

Conference

Conference10th IEEE International Conference on Renewable Energy Research and Applications, ICRERA 2021
Country/TerritoryTurkey
CityIstanbul
Period26/09/2129/09/21

Bibliographical note

Funding Information:
This research was supported by the project PITEI-3-P-343-105-15 Innovate Peru.

Publisher Copyright:
© 2021 IEEE.

Keywords

  • degradation capacity
  • dry anaerobic digestion
  • fungal strains
  • reactor
  • Solid waste

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