Persistence of polycyclic aromatic hydrocarbons (PAHs) in biochar-amended soil

Kuśmierz, Marcin; Oleszczuk, Patryk; Kraska, Piotr; Palys, E; Andruszczak, Sylwia

doi:10.1016/j.chemosphere.2015.12.010

Cited by 112 publications

(27 citation statements)

References 35 publications

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“…Las concentraciones de los diferentes HAPs, en función del tiempo, fueron evaluados utilizando una reacción de seudo primer orden. Se estimó el tiempo de vida media de cada HAP en los RBC con y sin tratamiento con compost 10 .…”

Section: Degradación De Haps En Muestras De Compostunclassified

Degradación De Hidrocarburos Aromáticos Policíclicos De Residuos De Barrido De Calles Usando Compost

Rojas

Contreras

Pino

2016

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En el presente estudio se evaluó la degradación de Hidrocarburos Aromáticos Policíclicos (HAPs) provenientes de residuos de barrido de calles utilizando tratamiento aeróbico con dos tipos de compost a diferente grado de maduración. La degradación fue evaluada en mezclas al 75% de residuo de barrido de calles con compost a intervalos de 0, 28, 60, 90 y 120 días. Se logró una mayor remoción al 80% y 90% de la sumatoria de HAPs (ƩHAPs) en 120 días de tratamiento en compost sin y con pretratamiento anaeróbico, respectivamente; esto posiblemente influenciado por la presencia de microorganismos con capacidad de degradar materia orgánica y producir sustancias húmicas. El efecto tóxico evaluado como BaPeq se reduce en más del 66% en los 30 primeros días para las muestras con tratamiento y más de 90 días para la muestra control. El efecto ecotoxicológico evaluado sobre Daphnia magna y Lactuca sativa, nos indican que los HAPs al ser cometabolizados producen metabolitos con mayor efecto ecotoxicológico, principalmente entre los 30 y 60 días, reduciendo su efecto a más de 90 días de tratamiento.

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Section: Degradación De Haps En Muestras De Compostunclassified

Degradación De Hidrocarburos Aromáticos Policíclicos De Residuos De Barrido De Calles Usando Compost

Rojas

Contreras

Pino

2016

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“…At lower PAH concentrations or when the economic and/or social pressure is not great, bioremediation is the preferred option [128][129][130][131][132][133][134][135][136][137]. This technique is much more environmental friendly but also slower and poorly effective, As an alternative to thermal desorption and landfilling, current research is investigating the improvement of promising technologies such as use of (bio)surfactant [138][139][140][141] or biochar [142][143][144] prior to bioremediation, phytoremediation [145][146][147][148][149] or in situ chemical oxidation [57,[150][151][152]. In situ chemical oxidation (ISCO) have been increasingly proposed over the past decade because it is more energy efficient than thermal desorption and faster and more effective on HMW PAHs than bioremediation and phytoremediation.…”

Section: Introductionmentioning

confidence: 98%

Selection of oxidant doses for in situ chemical oxidation of soils contaminated by polycyclic aromatic hydrocarbons (PAHs): A review

Ranc

Faure

Croze³

et al. 2016

Journal of Hazardous Materials

139

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“…It is assumed that soils amended with exogenous organic matter increase pollutant sorption and reduce their availability. Many different amendments have been dedicated for this purpose (Koltowski et al 2016;Kuśmierz et al 2016;Dutta et al 2017;Ćwieląg-Piasecka et al 2018;Bejger et al 2018).…”

Section: Introductionmentioning

confidence: 99%

“…Increasingly, various researchers propose the application of ERCM to immobilize PAHs in soils (Beesley et al 2011;Ghosh et al 2011;Koltowski et al 2016;Kuśmierz et al 2016;Dutta et al 2017). These sorbents mainly reduce the freely dissolved fraction of the contaminants that reach the pore water by diffusion, sorption, and partitioning processes (Pignatello 2012;Wang et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Dissipation and sorption processes of polycyclic aromatic hydrocarbons (PAHs) to organic matter in soils amended by exogenous rich-carbon material

2019

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Purpose The aim of the research was to assess the effect of biochar addition on aging, degradation, and sorption processes of polycyclic aromatic hydrocarbons (PAHs) to soil organic matter. The study was carried out as a sorption experiment in strictly controlled water and air conditions, which allowed for the accurate observation and prediction of PAH behavior in soils. Materials and methods Four soils were fortified with a PAH mixture (Fluorene-Flu, Anthracene-Ant, Phenanthrene-Phe, Pyrene-Pyr, Chrysene-Chry) at 20 mg kg −1 of single-compound concentration level. The experiment was carried out in two trials: soils + 5PAHs amended with biochar and soil + 5PAHs without biochar addition with incubation times of 0, 1, 3, 6, and 9 months. After each interval time, the extractable (E-SOM) and stable organic matter (S-SOM) were measured as well as PAHs determined in two forms: total concentration (PAH-tot) and residual concentration (PAH-rest) after E-SOM extraction. The PAH loss and halflife times were estimated according to pseudo first-order kinetics equation. Results and discussion The amounts of PAH-tot in the soils without biochar decreased by an average of 92%, while in soil with biochar, this was 41% after 9 months of aging. The amount of PAHs-rest bounded with S-SOM after 9 months of incubation varied from 0.9 to 3.5% and 0.2 to 1.3% of the initial PAH concentration, respectively, for soils non-induced and induced by biochar. In soils without biochar, Flu, Ant, Phe, and Pyr exhibited similar T 1/2 (43-59 days), but Chry was characterized by a much higher and broader T 1/2 than other hydrocarbons (67-280 days). Biochar addition to the soils significantly influenced the half-life changes for all PAHs. The highest changes were noted for Phe (14-fold increase), and the lowest was for Flu (7-fold increase). Conclusions The addition of exogenous-rich carbon material such as biochar to the soil significantly changes the behavior and sorption potential of PAHs in the soil. Soils enriched with biochar are characterized by a higher persistence of PAHs, longer aging time, and lower affinity for sorption by native organic matter structures. Soils freshly polluted by PAH are mainly sorbed by E-SOM, which significantly increases their accessibility and reduces formation of bound-residues in the soil.

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Persistence of polycyclic aromatic hydrocarbons (PAHs) in biochar-amended soil

Cited by 112 publications

References 35 publications

Degradación De Hidrocarburos Aromáticos Policíclicos De Residuos De Barrido De Calles Usando Compost

Degradación De Hidrocarburos Aromáticos Policíclicos De Residuos De Barrido De Calles Usando Compost

Selection of oxidant doses for in situ chemical oxidation of soils contaminated by polycyclic aromatic hydrocarbons (PAHs): A review

Dissipation and sorption processes of polycyclic aromatic hydrocarbons (PAHs) to organic matter in soils amended by exogenous rich-carbon material

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