Selecting Sustainable Sewage Sludge Reuse Options through a Systematic Assessment Framework: Methodology and Case Study in Latin America

Ferráns, Laura, Avellán, Tamara, Müller, Andrea, Hettiarachchi, Hiroshan, Dornack, Christina and Caucci, Serena, (2019). Selecting Sustainable Sewage Sludge Reuse Options through a Systematic Assessment Framework: Methodology and Case Study in Latin America. Journal of Cleaner Production, 242 1-12

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  • Sub-type Journal article
    Author Ferráns, Laura
    Avellán, Tamara
    Müller, Andrea
    Hettiarachchi, Hiroshan
    Dornack, Christina
    Caucci, Serena
    Title Selecting Sustainable Sewage Sludge Reuse Options through a Systematic Assessment Framework: Methodology and Case Study in Latin America
    Appearing in Journal of Cleaner Production
    Volume 242
    Publication Date 2019-09-18
    Place of Publication Amsterdam, Netherlands
    Publisher Elsevier Ltd
    Start page 1
    End page 12
    Language eng
    Abstract Sewage sludge is a by-product of wastewater treatment and has a complex composition including organic matter and nutrients. The recovery of the useful components can partially buffer the continuous depletion of natural resources. However, due to a range of many complex variables, such as concerns on safe-use practices and lack of technical capacities, sludge recovery is classified as a wicked problem. To facilitate the decision-making process, this study intends to provide a decision support framework (DSF) to guide decision making towards selecting sustainable options to handle sewage sludge in Latin America. The framework was tested and refined through a case study in Panajachel, Lake Atitlan, Guatemala. Sludge disposal solutions are missing in the municipality and the pathogen content highly exceeds national and international standards. The framework was used to evaluate possible recovery scenarios. The results show that the most sustainable ways to use sewage sludge in Panajachel are through agricultural use and soil conditioning. Composting is suggested as a conversion process to eliminate pathogens and obtain stable fertilisers.
    UNBIS Thesaurus LATIN AMERICA
    Keyword Sludge
    Sustainability
    Resource recovery
    Framework assessment
    Stakeholder mapping
    Copyright Holder Elsevier Ltd
    Copyright Year 2019
    Copyright type All rights reserved
    DOI 10.1016/j.jclepro.2019.118389
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    Created: Mon, 09 Dec 2019, 20:32:39 JST by Eric Siegmund on behalf of UNU FLORES