Valorization of extracted organic matter from municipal solid waste leachate: Application to soils from France and Togo

Baccot, Camille; Pallier, Virginie; Thom, Maglwa Tcha; Thuret-Benoist, Hélène; Feuillade-Cathalifaud, Geneviève

doi:10.1016/j.wasman.2019.10.040

Cited by 9 publications

(3 citation statements)

References 41 publications

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“…Apesar de representar uma fração pequena (0,5 a 5%) quando comparada à fração mineral do solo, a matéria orgânica é importante para os ecossistemas devido aos benefícios produzidos nas propriedades físicas, químicas e biológicas (SANTINI et al, 2019). Segundo Oliveira Filho et al (2019) em regiões tropicais a conversão de áreas florestais em áreas agrícolas aliado ao cultivo convencional, praticado durante anos consecutivos, é a principal causa da perda de carbono orgânico do solo, logo, essa redução no conteúdo de COS tem efeitos imediatos na capacidade de troca de cátions no meio e disponibilidade de nutrientes (BACCOT et al, 2020). Destaca-se que esses tipos de alterações nos ecossistemas naturais favorece o aumento na extensão de áreas descobertas, o que maximiza a perda de matéria orgânica e nutrientes por processos erosivos.…”

Section: Resultsunclassified

Manejo Do Solo Como Fonte De Alteração Na Dinâmica Do Carbono Orgânico

Oliveira¹,

Sousa²,

Pinheiro³

et al. 2020

Enci Bio

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RESUMO A conversão dos ecossistemas naturais em áreas agrícolas, geralmente resulta em alterações na dinâmica do carbono do solo. Modificações nos estoques de carbono, pelo uso do solo, tem impactos sobre uma série de mudanças globais no planeta. Nesse sentido, destaca-se que a intervenção antrópica em ecossistemas naturais, por meio da exploração desordenada, tem conduzido a um processo de degradação ambiental significativo. Diante do exposto, objetivou-se avaliar o conteúdo de carbono orgânico do solo em área de mata secundária e de pastagem e sua relação com o estoque de carbono nesses ambientes. As amostras de solo foram coletadas em um Argissolo Vermelho Amarelo localizado no campus da Universidade Federal do Ceará-UFC, Fortaleza-CE, Brasil, nas camadas de 0-10 cm e 10-20 cm para determinação do conteúdo de carbono orgânico e na camada 0-20 cm para avaliação da quantidade desse elemento estocado no solo. A alteração do ecossistema natural ocasionou redução do conteúdo de carbono orgânico do solo na superfície e em profundidade, bem como menor estocagem de carbono orgânico no solo. PALAVRAS-CHAVE: conservação do solo, mudanças climáticas, sequestro de carbono.

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Section: Resultsunclassified

Manejo Do Solo Como Fonte De Alteração Na Dinâmica Do Carbono Orgânico

Oliveira¹,

Sousa²,

Pinheiro³

et al. 2020

Enci Bio

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“…Several studies have employed DAX-8 resin to extract FA from MSWL. Baccot et al 20 Extracted HS from MSWL as organic amendments to improve soil structure. Similar procedures were also employed to extract HA, FA, and other organic materials using DAX-8 columns 21 .…”

Section: Introductionmentioning

confidence: 99%

Application of artificial neural network and dynamic adsorption models to predict humic substances extraction from municipal solid waste leachate

Rezaeinia

Ebrahimi

Dalvand

et al. 2023

Sci Rep

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Sustainable municipal solid waste leachate (MSWL) management requires a paradigm shift from removing contaminants to effectively recovering resources and decreasing contaminants simultaneously. In this study, two types of humic substances, fulvic acid (FA) and humic acid (HA) were extracted from MSWL. HA was extracted using HCl and NaOH solution, followed by FA using a column bed under diversified operations such as flow rate, input concentration, and bed height. Also, this work aims to evaluate efficiency of Artificial Neural Network (ANN) and Dynamic adsorption models in predicting FA. With the flow rate of 0.3 mL/min, bed height of 15.5 cm, and input concentration of 4.27 g/mL, the maximum capacity of FA was obtained at 23.03 mg/g. FTIR analysis in HA and FA revealed several oxygen-containing functional groups including carboxylic, phenolic, aliphatic, and ketone. The high correlation coefficient value (R2) and a lower mean squared error value (MSE) were obtained using the ANN, indicating the superior ability of ANN to predict adsorption capacity compared to traditional modeling.

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“…Every year, billions of cubic meters of municipal solid waste leachates (MSWL) are produced and must be treated. If we consider these effluents no longer as a waste, but rather as a partial co-product for soil enrichment, then they could represent an interesting and innovative way of valorization [13]. Several studies have highlighted the positive impacts of the addition of overall or partial MSWL, pre-treated or not, on plant growth and/or vegetable germination.…”

Section: Introductionmentioning

confidence: 99%

Effects of Fertigation with Untreated and Treated Leachates from Municipal Solid Waste on the Microelement Status and Biometric Parameters of Viola × wittrockiana

et al. 2021

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Landfill leachate can release pollutants into the environment. Nevertheless, it can be treated using a phytodepuration system via constructed wetlands to reduce contaminants. Moreover, this leachate can also increase the availability of macro and micronutrients in soil and water. In this trial, the reuse of untreated and treated wastewater from municipal solid waste (MSW) for fertigation was assessed. Plantlets of Viola × wittrockiana (pansy) were grown in a greenhouse and five fertigation treatments were applied: W9.0 (pure wastewater, EC 9.0 dS m−1), W4.5 (diluted wastewater, EC 4.5 dS m−1), DW4.5 (depurated wastewater, EC 4.5 dS m−1), PW4.5 (phytodepurated wastewater, EC 4.5 dS m−1), and T (tap water, control, EC 1.5 dS m−1). The treatment with untreated wastewater had a negative effect on plant dry weight, leaf size, specific leaf area, water content, and the number of closed and open flowers, due to the high concentration of SO42− in the fertigation water. It also reduced the content of Cu, Mn, Fe, and Zn with respect to the control, because of the dry biomass diminution. Conversely, fertigation with phytodepurated wastewater enhanced root and shoot dry weight, water content, and the number of closed and open flowers. Cu and Mn contents in flowers surpassed the content detected in plants fertigated with untreated leachates. These findings demonstrate that phytodepurated wastewater obtained from MSW can be employed for the fertigation of this species.

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Valorization of extracted organic matter from municipal solid waste leachate: Application to soils from France and Togo

Cited by 9 publications

References 41 publications

Manejo Do Solo Como Fonte De Alteração Na Dinâmica Do Carbono Orgânico

Manejo Do Solo Como Fonte De Alteração Na Dinâmica Do Carbono Orgânico

Application of artificial neural network and dynamic adsorption models to predict humic substances extraction from municipal solid waste leachate

Effects of Fertigation with Untreated and Treated Leachates from Municipal Solid Waste on the Microelement Status and Biometric Parameters of Viola × wittrockiana

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