An Eco-Innovative Solution for Reuse of Leachate Chemical Precipitation Sludge: Application to Sanitary Landfill Coverage

• Autorzy: Martínez-Cruz Alfredo , Fernandes Annabel , Ramos Filomena , Soares Sofia , Correia Pedro , Baía Ana , Lopes Ana , Carvalho Fátima

Identyfikatory

DOI

10.12912/27197050/133329

• Języki publikacji: EN

Abstrakty

EN

Sanitary landfill leachate was treated by chemical precipitation and the potential use of mixtures of the chemical precipitation sludge (CPS) generated and natural soil to cover the solid waste at sanitary landfills was evaluated. Tests were performed with soils having 0, 5 and 10% CPS, and the organic matter, pH, compaction, hydraulic conductivity, particle-size, liquid limit, plastic limit, and plasticity index were determined. It was found that leaching increased with CPS concentration, as well as the fine particles content in the soil, which reduced the hydraulic conductivity. pH was the most affected parameter, with values of 7.03, 7.12, and 11.46 for 0, 5 and 10% CPS, respectively. However, at 5% CPS, biodegradability was favored without a significant increase in the leaching process, showing that CPS can be used as temporary cover material, without adversely affecting the landfill system, being an eco-innovative solution for the final disposal of the sludge.

Słowa kluczowe

EN

sludge reuse; landfill; cover material; chemical precipitation

• Wydawca: Lubelski Oddział Polskiego Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology ; WNGB Wydawnictwo Naukowe
• Czasopismo: Ecological Engineering & Environmental Technology
• Rocznik: 2021
• Tom: Vol. 22, iss. 2
• Strony: 52--58
• Opis fizyczny: Bibliogr. 27 poz., rys., tab.

Twórcy

autor

Martínez-Cruz Alfredo

• Institute of Engineering, National Autonomous University of Mexico, Circuito Escolar s/n, Ciudad Universitaria, Delegación Coyoacán, Mexico City 04510, Mexico
• Department of Technology and Applied Sciences, School of Agriculture, Polytechnic Institute of Beja, 7800-295 Beja, Portugal
• FibEnTech/UBI-Fiber Materials and Environmental Technologies Research Unit, Universidade da Beira Interior, 6201-001 Covilhã, Portugal

• https://orcid.org/0000-0002-1318-502X

autor

Fernandes Annabel

• FibEnTech/UBI-Fiber Materials and Environmental Technologies Research Unit, Universidade da Beira Interior, 6201-001 Covilhã, Portugal
• Department of Chemistry, Universidade da Beira Interior, 6201-001 Covilhã, Portugal

• https://orcid.org/0000-0002-9007-5342

autor

Ramos Filomena

• Department of Technology and Applied Sciences, School of Agriculture, Polytechnic Institute of Beja, 7800-295 Beja, Portugal

• https://orcid.org/0000-0001-6597-682X

autor

Soares Sofia

• Department of Technology and Applied Sciences, School of Agriculture, Polytechnic Institute of Beja, 7800-295 Beja, Portugal

• https://orcid.org/0000-0002-7250-1619

autor

Correia Pedro

• Department of Technology and Applied Sciences, School of Agriculture, Polytechnic Institute of Beja, 7800-295 Beja, Portugal

• https://orcid.org/0000-0002-0927-0467

autor

Baía Ana

• FibEnTech/UBI-Fiber Materials and Environmental Technologies Research Unit, Universidade da Beira Interior, 6201-001 Covilhã, Portugal
• Department of Chemistry, Universidade da Beira Interior, 6201-001 Covilhã, Portugal

• https://orcid.org/0000-0002-0278-6997

autor

Lopes Ana

• FibEnTech/UBI-Fiber Materials and Environmental Technologies Research Unit, Universidade da Beira Interior, 6201-001 Covilhã, Portugal
• Department of Chemistry, Universidade da Beira Interior, 6201-001 Covilhã, Portugal

• https://orcid.org/0000-0002-4545-5784

autor

Carvalho Fátima

• Department of Technology and Applied Sciences, School of Agriculture, Polytechnic Institute of Beja, 7800-295 Beja, Portugal
• FibEnTech/UBI-Fiber Materials and Environmental Technologies Research Unit, Universidade da Beira Interior, 6201-001 Covilhã, Portugal

• https://orcid.org/0000-0001-6120-1226

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).