Prediction of Leachate Characteristics via an Analysis of the Solubilized Extract of the Organic Fraction of Domestic Solid Waste from the Municipality of Belém, PA

Diogo Oliveira Pereira, Fernanda Paula da Costa Assunção, Jéssica Cristina Conte da Silva, Jorge Fernando Hungria Ferreira, Raise Brenda Pinheiro Ferreira, Ádila Lima Lola, Ísis Costa Pereira do Nascimento, Jean Pinheiro Chaves, Mel Safira Cruz do Nascimento, Thalia da Silva Gouvêa, Neyson Martins Mendonça, Isaque Wilkson de Sousa Brandão, José Almir Rodrigues Pereira and Nélio Teixeira Machado ()
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Diogo Oliveira Pereira: Graduate Program of Civil Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-110, PA, Brazil
Fernanda Paula da Costa Assunção: Graduate Program of Civil Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-110, PA, Brazil
Jéssica Cristina Conte da Silva: Graduate Program of Civil Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-110, PA, Brazil
Jorge Fernando Hungria Ferreira: Graduate Program of Civil Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-110, PA, Brazil
Raise Brenda Pinheiro Ferreira: Faculty of Sanitary and Environmental Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-900, PA, Brazil
Ádila Lima Lola: Faculty of Sanitary and Environmental Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-900, PA, Brazil
Ísis Costa Pereira do Nascimento: Faculty of Sanitary and Environmental Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-900, PA, Brazil
Jean Pinheiro Chaves: Faculty of Sanitary and Environmental Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-900, PA, Brazil
Mel Safira Cruz do Nascimento: Faculty of Sanitary and Environmental Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-900, PA, Brazil
Thalia da Silva Gouvêa: Faculty of Sanitary and Environmental Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-900, PA, Brazil
Neyson Martins Mendonça: Faculty of Sanitary and Environmental Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-900, PA, Brazil
Isaque Wilkson de Sousa Brandão: Graduate Program of Chemistry, Campus Básico-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-900, PA, Brazil
José Almir Rodrigues Pereira: Graduate Program of Civil Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-110, PA, Brazil
Nélio Teixeira Machado: Graduate Program of Civil Engineering, Campus Profissional-UFPA, Universidade Federal do Pará, Rua Augusto Corrêa N° 1, Belém 66075-110, PA, Brazil

Sustainability, 2023, vol. 15, issue 21, 1-21

Abstract: This work aimed to predict the physical–chemical characteristics of leachate according to the analysis of the solubilized extract from urban household solid waste (UHSW), on a laboratory scale, in the city of Belém/PA, Brazil. The neighborhoods where the waste was collected were sectorized based on geographic and socioeconomic data, with family income as the main parameter. After collection, the material was sent to the segregation area, where a gravimetric analysis of the UHSW was performed and fractions (paper, cardboard, Tetra Pak, rigid plastic, malleable plastic, metals, glass, organic matter, sanitary waste, fabrics and rejects) were segregated. After the gravimetric characterization, it was found that the highest average proportions were 55.57% organic matter, 14.26% sanitary waste and 9.97% malleable plastic. The organic fraction was selected and subjected to drying, crushing, sieving and packaging pretreatment, and then the solubilized extract of this fraction was obtained according to NBR No. 10.006/2004 of the Brazilian Association of Technical Standards. In the analyses of the solubilized extract, values for total nitrogen (201.80 to 359.90 mg·L −1 ), ammonia nitrogen (161 to 289 mg·L −1 ), nitrate (10 to 40 mg·L −1 ) and chemical oxygen demand were obtained (28,701 mg·L −1 to 38,608 mg·L −1 ), indicating the similarity of the waste solubilization conditions to those of leachate from landfills, in addition to being in noncompliance with environmental and health legislation, thus making it necessary to have an efficient waste management system, which avoids the release of waste into the environment that would result in environmental impacts similar to those of leachate contact with the environment.

Keywords: urban solid waste; gravimetric characterization; solubilized extract; leachate extract and organic fraction (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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