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Material Flows and Greenhouse Gas Emissions Reduction Potential of Decentralized Composting in Sub-Saharan Africa: A Case Study in Tiassalé, Côte d’Ivoire

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  • Dotanhan Yeo

    (Unité de Formation et de Recherche des Sciences de la Terre et des Ressources Minières (UFR STRM), Université Félix Houphouët-Boigny, 22 BP 582 Abidjan 22, Cote d’Ivoire
    CSRS: Centre Suisse de Recherches Scientifiques en Côte d’Ivoire, 01 BP 1303 Abidjan 01, Cote d’Ivoire)

  • Kouassi Dongo

    (Unité de Formation et de Recherche des Sciences de la Terre et des Ressources Minières (UFR STRM), Université Félix Houphouët-Boigny, 22 BP 582 Abidjan 22, Cote d’Ivoire
    CSRS: Centre Suisse de Recherches Scientifiques en Côte d’Ivoire, 01 BP 1303 Abidjan 01, Cote d’Ivoire)

  • Adeline Mertenat

    (Eawag: Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland)

  • Phillipp Lüssenhop

    (Institute of Wastewater Management and Water Protection, Bioresource Management Group, Hamburg University of Technology, Eissendorfer Str. 42, 21073 Hamburg, Germany)

  • Ina Körner

    (Institute of Wastewater Management and Water Protection, Bioresource Management Group, Hamburg University of Technology, Eissendorfer Str. 42, 21073 Hamburg, Germany)

  • Christian Zurbrügg

    (Eawag: Swiss Federal Institute of Aquatic Science and Technology, 8600 Dübendorf, Switzerland)

Abstract

Despite many composting initiatives implemented in recent years throughout Sub-Saharan Africa, there is yet a lack of data on material flows and the potential contribution of decentralized composting towards greenhouse gas (GHG) mitigation. This study fills this gap assessing flows, emissions reduction and other environmental benefits of decentralized composting, based on a pilot composting facility implemented in the municipality of Tiassalé in Côte d’Ivoire. Primary data collected at the site were visualized with the STAN version 2.6 software developed at the Vienna University of Technology (Austria), for material flows, while carbon emissions reduction was estimated using the UNFCCC methods. Results show that in 2017, from the 59.4 metric tons of organic waste processed by this pilot station, 14.2 metric tons of mature compost was produced, which correspond to 24% of the input mass (on wet weight basis). On dry weight basis, mature compost represents 36% of the input mass. The nutrient content of the compost is in line with data from literature on sub-Saharan African compost, and heavy metal contamination fulfils both French and German compost standards. Concerning the GHG emissions reduction potential, the results show that with this composting scenario, 87% of the baseline emissions occurring in open dumping can be avoided.

Suggested Citation

  • Dotanhan Yeo & Kouassi Dongo & Adeline Mertenat & Phillipp Lüssenhop & Ina Körner & Christian Zurbrügg, 2020. "Material Flows and Greenhouse Gas Emissions Reduction Potential of Decentralized Composting in Sub-Saharan Africa: A Case Study in Tiassalé, Côte d’Ivoire," IJERPH, MDPI, vol. 17(19), pages 1-15, October.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:19:p:7229-:d:423202
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    References listed on IDEAS

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    1. Peter L. Daniels & Stephen Moore, 2001. "Approaches for Quantifying the Metabolism of Physical Economies: Part I: Methodological Overview," Journal of Industrial Ecology, Yale University, vol. 5(4), pages 69-93, October.
    2. Qing Yang & Chen Zuo & Xingxing Liu & Zhichao Yang & Hui Zhou, 2020. "Risk Response for Municipal Solid Waste Crisis Using Ontology-Based Reasoning," IJERPH, MDPI, vol. 17(9), pages 1-23, May.
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    Cited by:

    1. Ariel Gillespie & Anthony Halog, 2023. "Community-Scale Composting Initiatives in South-East Queensland and Beyond: a Review of Successes, Challenges and Lessons for a Pilot Project on Karragarra Island, southern Moreton Bay," Circular Economy and Sustainability,, Springer.
    2. Giovanni Vinti & Mentore Vaccari, 2022. "Solid Waste Management in Rural Communities of Developing Countries: An Overview of Challenges and Opportunities," Clean Technol., MDPI, vol. 4(4), pages 1-14, November.
    3. Yao Li & Yugang He, 2024. "Unraveling Korea’s Energy Challenge: The Consequences of Carbon Dioxide Emissions and Energy Use on Economic Sustainability," Sustainability, MDPI, vol. 16(5), pages 1-29, March.

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