Decontamination of polycyclic aromatic hydrocarbons and nonylphenol from sewage sludge using hydroxypropyl-β-cyclodextrin and evaluation of the toxicity of leachates

Sánchez-Trujillo, M.A.; Lacorte, Sı́lvia; Villaverde, Jaime; Barata, Carlos; Morillo, E.

doi:10.1007/s11356-013-1930-4

Cited by 25 publications

(8 citation statements)

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“…1, Table 2). This may be because HPβCD is capable of complex formation with both solid and solution states with an assortment of molecules, which are placed in their hydrophobic interior cavity [74]. This result is a similar to that found by Mohamed et al [75], who reported that HPβCD, a type of solubility-enhancing surfactant, has various properties that are used for the remediation of soil contaminated with pesticides.…”

Section: Discussionsupporting

confidence: 83%

Reduction of soil contamination by cypermethrin residues using phytoremediation with Plantago major and some surfactants

Aioub

Qie

et al. 2019

Environ Sci Eur

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Background: Surfactant-enhanced phytoremediation is an eco-friendly treatment for reducing soil contamination. Cypermethrin (CYP) is one of the most widely used pyrethroid insecticides against different pests, and its use causes soil contamination. The aim of this study was to investigate the removal of CYP from contaminated soil by Plantago major (PM) and some surfactants. For the first time, we documented the uptake and translocation of CYP from the soil and used some strategies to improve the effectiveness of this technology, which involved the use of various surfactants to solubilize the contaminant. In a pot experiment, four surfactants [liquid silicon dioxide (SiO 2 , 750 mg L −1 ), 2-hydroxypropyl-beta-cyclodextrin (HPßCD, 1%), humic acid (HA, 10 mg L −1 ) and Tween 80 (Tw80, 9.2 mg L −1 )] were used to facilitate the phytoremediation of CYP (10 µg g −1 )-contaminated soil by PM.Results: Our data showed that amending the soil with PM plus SiO 2 significantly reduced the amount of CYP in the soil and highly increased the concentrations of CYP in the plant roots and leaves. The longest half-life value (t 1/2 ) of CYP was in the sterilized soil treatment (24.8 days), and the shortest was in the soil with PM amended with SiO 2 (6.41 days). The half-life value (t 1/2 ) of CYP in soil with PM alone was 10.0 days. Through in vitro experiments, a batch equilibrium technique showed that hydroxypropyl-ß-cyclodextrin (HPßCD) is the best surfactant to most efficiently eliminate CYP from the soil. However, in the greenhouse experiment, the addition of SiO 2 to soil cultivated with PM was more effective than the use of other solubility-enhancing surfactants in the removal of significant amounts of CYP (p > 0.05) from the contaminated soil. Conclusions:The integration of SiO 2 + PM is the best treatment and is recommended for minimizing plant contaminant contents in CYP-contaminated soil. which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Section: Discussionsupporting

confidence: 83%

Reduction of soil contamination by cypermethrin residues using phytoremediation with Plantago major and some surfactants

Aioub

Qie

et al. 2019

Environ Sci Eur

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“…Regardless of the applied method, the quantity of available PAHs was significantly lower compared to the total concentration that indicated the low aqueous solubility of PAHs and/or their strong sorption on soil components and partitioning among various phases [14][15][16]. Cyclodextrin extraction was firstly identified by Reid et al [38] and then confirmed by other authors [13,31,39,41,43] as a suitable technique that recognizes the readily desorbing fraction available for biota, causing a real risk in the contaminated areas.…”

Section: Resultsmentioning

confidence: 94%

“…A large array of chemical and physicochemical methods applied for the measurement of the availability of PAHs does not enable proximate comparison of the results because the final concentration of the PB-PAHs fraction results from the extraction procedure [32,37]. The methods involved either a mild organic solvent extraction or application of cyclodextrins or solid-phase hydrophobic adsorbents such as XAD resin or Tenax-TA [7,10,12,13,32,[38][39][40][41][42]. Regardless of the applied method, the quantity of available PAHs was significantly lower compared to the total concentration that indicated the low aqueous solubility of PAHs and/or their strong sorption on soil components and partitioning among various phases [14][15][16].…”

Section: Resultsmentioning

confidence: 99%

“…Availability of PAHs in these soils was quite high due to a short incubation time (from one day to several months) that influenced aging processes [40,42]. In the natural soil environment, many different factors may affect PAH behavior, which is mainly associated with the repetitive depositions of contaminants and strong sorption of these pollutants by various soil components occurring over a long period of time as well as diffusion of PAH molecules within structures of organic matter [3,7,11,12,[14][15][16]32,[40][41][42]. The importance of the aging processes was confirmed by the high share of the RE-PAH fraction of individual compounds.…”

Section: Resultsmentioning

confidence: 99%

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The Impact of Organic Matter on Polycyclic Aromatic Hydrocarbon (PAH) Availability and Persistence in Soils

Ukalska‐Jaruga

Smreczak

2020

Molecules

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Polycyclic aromatic hydrocarbons (PAHs) exhibit persistence in soils, and most of them are potentially mutagenic/carcinogenic and teratogenic for human beings but also influence the growth and development of soil organisms. The PAHs emitted into the atmosphere are ultimately deposited (by dry or wet deposition processes) onto the soil surface where they tend to accumulate. Soil organic matter (SOM) plays an important role in the fate and transformation processes of PAHs, affecting their mobility, availability, and persistence. Therefore, the aim of this research was to investigate the influence of SOM fractional diversification (fulvic acids—FA, humic acids—HA, and humins—HN) on PAH availability and persistence in soils. Twenty soil samples (n = 20) were collected from upper horizons (0–30 cm) of agricultural soils exposed to anthropogenic emissions from industrial and domestic sources. The assessment of PAH concentrations included the determination of medium-molecular-weight compounds from the US EPA list: fluoranthene—FLA, pyrene—PYR, benz(a)anthracene—BaA, and chrysene—CHR. The assessment was conducted using the GC-MS/MS technique. Three operationally defined fractions were investigated: total extractable PAHs (TE-PAHs) fraction, available/bioavailable PAHs (PB-PAHs) fraction, and nonavailable/residual PAHs (RE-PAHs) fraction, which was calculated as the difference between total and available PAHs. TE-PAHs were analyzed by dichloromethane extraction, while PB-PAHs were analyzed with a hydrophobic β-cyclodextrin solution. SOM was characterized by total organic carbon content (Turin method) and organic carbon of humic substances including FA, HA, HN (IHSS method). Concentrations of PAHs differed between soils from 193.5 to 3169.5 µg kg−1, 4.3 to 226.4 µg kg−1, and 148.6 to 3164.7 µg kg−1 for ∑4 TE-PAHs, ∑4 PB-PAHs, and ∑4 RE-PAHs, respectively. The ∑4 PB-PAHs fraction did not exceed 30% of ∑4 TE-PAHs. FLA was the most strongly bound in soil (highest content of RE-FLA), whereas PYR was the most available (highest content of PB-PYR). The soils were characterized by diversified total organic carbon (TOC) concentration (8.0–130.0 g kg−1) and individual SOM fractions (FA = 0.4–7.5 g kg−1, HA = 0.6–13.0 g kg−1, HN = 0.9–122.9 g kg−1). FA and HA as the labile fraction of SOM with short turnover time strongly positively influenced the potential ∑4 PAH availability (r = 0.56 and r = 0.52 for FA and HA, respectively). HN, which constitutes a stable fraction of organic matter with high hydrophobicity and poor degradability, was strongly correlated with ∑4 RE-PAHs (r = 0.75), affecting their persistence in soil.

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“…Bioremediation of contaminated soil has been improved with the use of CDs due to their ability to increase the water solubility of hydrophobic organic compounds, facilitating their mobilization (Morillo and Villaverde, 2017). A way of increasing the biodegradable fraction of POPs (persistent organic pollutants) in soils is this movement of the contaminant molecules from the soil into soil solution (Morillo et al, 2014; Sánchez-Trujillo et al, 2014; Madrid et al, 2016, 2019; Simpanen et al, 2016; Guo et al, 2017). CDs have been proposed as an alternative to synthetic surfactants for the removal of hydrophobic contaminants from soils (Fenyvesi et al, 2009).…”

Section: Resultsmentioning

confidence: 99%

Bioaugmentation of PAH-Contaminated Soils With Novel Specific Degrader Strains Isolated From a Contaminated Industrial Site. Effect of Hydroxypropyl-β-Cyclodextrin as PAH Bioavailability Enhancer

et al. 2019

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A PAHs-contaminated industrial soil was analyzed using PCR amplification of the gene 16S ribosomal RNA for the detection and identification of different isolated bacterial strains potentially capable of degrading PAHs. Novel degrader strains were isolated and identified as Achromobacter xylosoxidans 2BC8 and Stenotrophomonas maltophilia JR62, which were able to degrade PYR in solution, achieving a mineralization rate of about 1% day–1. A. xylosoxidans was also able to mineralize PYR in slurry systems using three selected soils, and the total extent of mineralization (once a plateau was reached) increased 4.5, 21, and 57.5% for soils LT, TM and CR, respectively, regarding the mineralization observed in the absence of the bacterial degrader. Soil TM contaminated with PYR was aged for 80 days and total extent of mineralization was reduced (from 46 to 35% after 180 days), and the acclimation period increased (from 49 to 79 days). Hydroxypropyl-ß-cyclodextrin (HPBCD) was used as a bioavailability enhancer of PYR in this aged soil, provoking a significant decrease in the acclimation period (from 79 to 54 days) due to an increase in PYR bioavailable fraction just from the beginning of the assay. However, a similar global extension of mineralization was obtained. A. xylosoxidans was then added together with HPBCD to this aged TM soil contaminated with PYR, and the total extent of mineralization decreased to 25% after 180 days, possibly due to the competitive effect of endogenous microbiota and the higher concentration of PYR in the soil solution provoked by the addition of HPBCD, which could have a toxic effect on the A. xylosoxidans strain.

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Decontamination of polycyclic aromatic hydrocarbons and nonylphenol from sewage sludge using hydroxypropyl-β-cyclodextrin and evaluation of the toxicity of leachates

Cited by 25 publications

References 50 publications

Reduction of soil contamination by cypermethrin residues using phytoremediation with Plantago major and some surfactants

Reduction of soil contamination by cypermethrin residues using phytoremediation with Plantago major and some surfactants

The Impact of Organic Matter on Polycyclic Aromatic Hydrocarbon (PAH) Availability and Persistence in Soils

Bioaugmentation of PAH-Contaminated Soils With Novel Specific Degrader Strains Isolated From a Contaminated Industrial Site. Effect of Hydroxypropyl-β-Cyclodextrin as PAH Bioavailability Enhancer

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