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Market Opportunities in Portugal for the Water-and-Waste Sector Using Sludge Gasification

Author

Listed:
  • Octávio Alves

    (CoLAB BIOREF—Collaborative Laboratory for Biorefineries, 4466-901 São Mamede de Infesta, Portugal
    VALORIZA—Research Centre for Endogenous Resource Valorization, Polytechnic Institute of Portalegre, 7300-555 Portalegre, Portugal)

  • Bruno Garcia

    (CoLAB BIOREF—Collaborative Laboratory for Biorefineries, 4466-901 São Mamede de Infesta, Portugal)

  • Bruna Rijo

    (CoLAB BIOREF—Collaborative Laboratory for Biorefineries, 4466-901 São Mamede de Infesta, Portugal)

  • Gonçalo Lourinho

    (CoLAB BIOREF—Collaborative Laboratory for Biorefineries, 4466-901 São Mamede de Infesta, Portugal
    VALORIZA—Research Centre for Endogenous Resource Valorization, Polytechnic Institute of Portalegre, 7300-555 Portalegre, Portugal)

  • Catarina Nobre

    (VALORIZA—Research Centre for Endogenous Resource Valorization, Polytechnic Institute of Portalegre, 7300-555 Portalegre, Portugal)

Abstract

The water-and-waste sector has shown a marked interest in innovative management practices for dewatered sludge. The need to manage increased sludge volumes at rising disposal costs, coupled with the recognition of the potential for on-site energy production, have been the key drivers for this recent appeal. With the current political view supporting the development of a renewable-gas industry in Portugal, renewable gases are considered an attractive solution for dewatered-sludge valorization. Moreover, investment in renewable-gas supply chains would help the industry to mature to a level at which the technology and market are rapidly established. Recognizing this interest, dewatered-sludge gasification was selected as a possible valorization pathway, with the potential for hydrogen and bio-SNG production, as well as decentralized heat and power. This document identifies the market opportunities for the establishment of sewage-sludge gasification in Portugal. The analysis starts with a brief overview of the Portuguese water-and-waste sector, and a description of the current status of the renewable-gas markets. Finally, the dewatered-sludge amounts are quantified, and the potential for energy and renewable-gas production is estimated to support the interest in wastewater management in advanced processes, and to pave the way for future feasibility studies.

Suggested Citation

  • Octávio Alves & Bruno Garcia & Bruna Rijo & Gonçalo Lourinho & Catarina Nobre, 2022. "Market Opportunities in Portugal for the Water-and-Waste Sector Using Sludge Gasification," Energies, MDPI, vol. 15(18), pages 1-16, September.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:18:p:6600-:d:910929
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    References listed on IDEAS

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    1. Dariusz Kusz & Iwona Bąk & Beata Szczecińska & Ludwik Wicki & Bożena Kusz, 2022. "Determinants of Return-on-Equity (ROE) of Biogas Plants Operating in Poland," Energies, MDPI, vol. 16(1), pages 1-22, December.
    2. Sérgio Siqueira de Amorim Júnior & Mariana Antonio de Souza Pereira & Marjuli Morishigue & Reginaldo Brito da Costa & Denilson de Oliveira Guilherme & Fernando Jorge Correa Magalhães Filho, 2022. "Circular Economy in the Biosolids Management by Nexus Approach: A View to Enhancing Safe Nutrient Recycling—Pathogens, Metals, and Emerging Organic Pollutants Concern," Sustainability, MDPI, vol. 14(22), pages 1-19, November.

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