Biogas Production Potential of Cocoa Pod Co-Digested with Poultry Manure at Mesophilic Temperature

Ademola Oyejide Adebayo, Noor Ahmed

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

3 Citations (Scopus)

Abstract

Biogas, the gas produced through the breaking down of organic matter by bacterial in an oxygen free environment is beginning to gain ground these days. This is because of its ability to proffer solution to the age long problem associated with the use of conventional energy sources in form of air pollution which always lead to complex health challenges. Besides, fossil fuel prices keep fluctuating and fast depleting indicating that it is not sustainable. To this end, biogas was produced from the co-digestion of cocoa pod with poultry waste at ratio 1:1 using their organic dry matter contents. The experiment was conducted using a continuously stirred tank reactor operated at mesophilic temperature (37°C) commencing with Organic Loading Rate (OLR) of 0.5 goTS/I.d and increasing it by 0.5goTS/I.d weekly until an OLR of 2.0goTS/I.d was reached. At this point, the reactor was adjudged failing since biogas production began to decrease with increase in OLR from 1.5 goTS/I.d. At OLR of 0.5, 1.0, 1.5 and 2.0 goTS/I.d, biogas yields were 0.0289, 0.762, 1.579 and 1.057 m3/kgoDM respectively. The corresponding methane (CH4) concentrations at OLR0.5, 1.0, 1.5 and 2.0 goTS/I.d were 58.9, 68.9, 78.0 and 62.5% respectively. The result obtained as established co-digestion of cocoa pod with poultry was as an alternative root out of increasing energy demand of the African populace.

Original languageEnglish
Title of host publicationProceedings of 2017 International Renewable and Sustainable Energy Conference, IRSEC 2017
EditorsYoussef Zaz, Mohamed Essaaidi
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781538628478
DOIs
Publication statusPublished - 28 Sept 2018
Externally publishedYes
Event5th International Renewable and Sustainable Energy Conference, IRSEC 2017 - Tangier, Morocco
Duration: 4 Dec 20177 Dec 2017

Publication series

NameProceedings of 2017 International Renewable and Sustainable Energy Conference, IRSEC 2017

Conference

Conference5th International Renewable and Sustainable Energy Conference, IRSEC 2017
Country/TerritoryMorocco
CityTangier
Period4/12/177/12/17

Keywords

  • Biogas
  • Organic loading rate
  • co-digestion
  • mesophilic temperature
  • methane

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering

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