Effects of ozonation on soil organic matter of contaminated soil containing residual oil

Wang, Jian; Zhang, Xu; Li, Guanghe

doi:10.1007/s11368-011-0439-z

Cited by 39 publications

(13 citation statements)

References 41 publications

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“…The overall degradability of oil contaminated soils strongly depends on the types and composition of crude oils. The aliphatic and aromatic hydrocarbons could be partially removed by enhanced bioremediation [9,[26][27][28] or chemical/physical treatment [20,[29][30][31], while those NSO fraction and asphaltenes with high molecular weight and complex structures could be hardly removed and remained in soils for long term [16]. Aliphatic and aromatic hydrocarbons from DQ, SL and BS were further quantitatively analyzed by internal calibration method with GC/MS and the average concentrations were shown in Fig.…”

Section: Spatial Variations Of Oil Contaminationmentioning

confidence: 99%

Spatial variations of hydrocarbon contamination and soil properties in oil exploring fields across China

Liang

Zhang

Wang

et al. 2012

Journal of Hazardous Materials

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Section: Spatial Variations Of Oil Contaminationmentioning

confidence: 99%

Spatial variations of hydrocarbon contamination and soil properties in oil exploring fields across China

Liang

Zhang

Wang

et al. 2012

Journal of Hazardous Materials

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“…Since micronutrients tend to complex with SOC, their mobility and bioavailability are inevitably responsive to the change of SOC. The SOC mineralization may also be associated with the increased soil pH (Wang et al 2012), which could affect the speciation as well as bioavailability of micronutrients (Narteh andSahrawat 1999, Kabirinejad et al 2014). Besides, O 3 may change the composition and amounts of root exudes, which may alter their (Lu 1999).…”

Section: Discussionmentioning

confidence: 99%

Elevated ozone level affects micronutrients bioavailability in soil and their concentrations in wheat tissues

Wang¹,

SiYu²,

Sun³

et al. 2017

PLANT SOIL ENVIRON

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: Elevated ozone level affects micronutrients bioavailability in soil and their concentrations in wheat tissues. Plant Soil Environ., 63: 381-387.To investigate the bioavailability of essential micronutrients (Fe, Mn, Cu, Zn) in soil-plant system, sequential scheme of weak acid soluble (WAS), reducible (RED) and oxidizable (OXI) fractions was used to evaluate the bioavailability of micronutrients in different soil depths. The results revealed that at the tillering stage elevated O 3 concentration significantly increased WAS-Fe at 0-5 cm and 10-15 cm soils by 69.11% and 59.72%, respectively. At the ripening stage, both WAS-Cu and RED-Cu were significantly increased in elevated O 3 treatment compared to control, while WAS-Mn only showed significant in 0-5 cm soil. In bulk soil, WAS-Zn and RED-Zn concentrations were generally greater than those in control, which was more evident at 10-15 cm soil. Besides, O 3 decreased the whole plant biomass by 14.63% and increased the root to shoot ratio. Elevated O 3 significantly increased grain Fe, Mn and Cu concentrations by 9.37, 36.68 and 48.18%, respectively, while it decreased Zn by 17.09%. It can be inferred that altered micronutrients bioavailability in soil and nutrients uptake in plants are likely associated with the changed soil chemical properties and plant physiology in response to the rising O 3 level.

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“…Ozone is a strong, non-selective oxidant that can react with a broad range of organic compounds. It should be noted that soil organic matter (SOM) is also an important ozone consumer in addition to the target contaminants during ozonation of contaminated soils (Wang et al 2012). Due to the high diffusion coefficient of ozone, all of the present pollutants in soil are theoretically available for this oxidant.…”

Section: Introductionmentioning

confidence: 99%

“…In this research ozonation was found to be quite efficient in the removal of naphthalene, fluorine, phenathrene and anthracene, although it did not efficiently remove pyrene, chrysene and benzene(a)pyrene from soil freshly spiked with hydrocarbons. Wang et al (2012) reported that a 15-h ozonation of a contaminated soil containing residual oil reduces soil organic matter content by 45.2% and causes a consequent change in the binding state of residual oil in soil organic matter fractions. Compositional changes of hydrocarbons of residual oil in contaminated soil during ozonation were characterized by Wang et al (2013).…”

Section: Introductionmentioning

confidence: 99%

Optimization of Ozonation Process for a Composting Leachate-Contaminated Soils Treatment Using Response Surface Method

Mokhtarani

Yasrobi

Ganjidoust

2015

Ozone: Science & Engineering

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The ozonation process has become one of the most favorable processes among soil remediation technologies nowadays. Ozone, which has an oxidation potential of 2.07 V and acts as a powerful oxidizer, is capable of degrading organic pollutants of soil in a short period of time without producing any toxic residuals. In this study the capability of ozone, as an ex-situ method of soil treatment, in remediating the leachatecontaminated soil has been investigated. To maximize the removal efficiency of organic content of soil, design of experiments using the response surface method (RSM) and central composite design (CCD) have been employed. To select the range of effective parameters several experiments were performed at laboratory scale. Results showed a range of effective parameters on the ozonation process, including pH, humidity, and initial soil pollution. Present research shows that acid-washed ozone greatly enhanced the removal efficiency. According to the developed model, the maximum removal efficiency using acid-washed ozone was obtained by setting the parameters as pH = 10.8, humidity of 5% and initial organic content of soil to be 7720 mg/kg. Confirmation experiments showed that RSM could be effectively utilized for the optimization of the ozonation process. Analysis of variance also showed that pH was the most significant factor affecting removal efficiency.

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Effects of ozonation on soil organic matter of contaminated soil containing residual oil

Cited by 39 publications

References 41 publications

Spatial variations of hydrocarbon contamination and soil properties in oil exploring fields across China

Spatial variations of hydrocarbon contamination and soil properties in oil exploring fields across China

Elevated ozone level affects micronutrients bioavailability in soil and their concentrations in wheat tissues

Optimization of Ozonation Process for a Composting Leachate-Contaminated Soils Treatment Using Response Surface Method

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