Remediation of diesel-contaminated soil by low-temperature thermal desorption

Zivdar, Z.; Heidarzadeh, Nima; Asadollahfardi, Gholamreza

doi:10.1007/s13762-018-2020-4

Cited by 19 publications

(9 citation statements)

References 18 publications

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Section: Introductionmentioning

confidence: 99%

“…Previous studies on thermal desorption of oil-contaminated soils focused on the optimization of treatment conditions such as temperature, flow rate of sweeping gas, and treatment time [17,18]. Also, previous studies focused on the removal efficiencies of the target compound groups such as diesel [18]. Therefore, in this study, the changes in the different oil components found in oilcontaminated soils including TPH, PAHs, Alk-PAHs, and UCM were studied and compared under different conditions of thermal desorption.…”

Section: Introductionmentioning

confidence: 99%

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Removal of TPH, UCM, PAHs, and Alk-PAHs in oil-contaminated soil by thermal desorption

2020

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Oil-contaminated soils from a former landfill and gas station site in Korea were treated by thermal desorption. The removal efficiencies of the different oil components such as total petroleum hydrocarbons (TPH), polyaromatic hydrocarbons (PAHs), unresolved complex mixtures (UCM), and alkylated PAHs (Alk-PAHs) by thermal desorption were determined. The effects of temperatures (200, 400, and 600 °C) and treatment times (15, 30, 45, and 60 min) on the thermal desorption efficiency were studied. The treatment efficiency increased with increasing temperature from 200 to 400 °C and with increasing treatment time. Almost complete removals of TPH, UCM, PAHs, and Alk-PAHs were observed after 15 min at 400 °C. The treatment temperatures of 400 and 600 °C did not show a significant difference (p-value > 0.05). Overall, this study shows that the different components of oil in the oil-contaminated soils can be treated effectively in a relatively short time by thermal desorption, and such high removal efficiency in a relatively short time for the oil-contaminated soils can be of advantage for the treatment of highly contaminated or weathered soils where biological treatment efficiency is low.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Removal of TPH, UCM, PAHs, and Alk-PAHs in oil-contaminated soil by thermal desorption

2020

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“…Several off-gas treatment methods are reviewed by Zhao et al 29 . Also, the reuse of waste heat could be utilized for several heating purposes 43 .…”

Section: Soil Remediation Technologymentioning

confidence: 99%

Cost reduction strategies in the remediation of petroleum hydrocarbon contaminated soil

Ahmed¹,

Nwaichi²,

Ugwoha³

et al. 2022

Open Res Africa

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Petroleum hydrocarbon spill on land pollutes soil and reduces its ecosystem. Hydrocarbon transport in the soil is aided by several biological, physical, and chemical processes. However, pore characteristics play a major role in the distribution within the soil matrix. Restoring land use after spills necessitates remediation using cost-effective technologies. Several remediation technologies have been demonstrated at different scales, and research is ongoing to improve their performances towards the reduction of treatment costs. The process of removing the contaminants in the soil is through one or a combination of containment, separation, and degradation methods under the influence of biological, physical, chemical, and electrically-dominated processes. Generally, performance improvement is achieved through the introduction of products/materials and/or energy. Nevertheless, the technologies can be categorized based on effectiveness period as short, medium, and long term. The treatment cost of short, medium, and long-term technologies are usually in the range of $39 – 331/t (/tonne), $22 – 131/t, and $8 – 131/t, respectively. However, the total cost depends on other factors such as site location, capital cost, and permitting. This review compiles cost-saving strategies reported for different techniques used in remediating petroleum hydrocarbon polluted soil. We discuss the principles of contaminant removal, performance enhancing methods, and the cost-effectiveness analysis of selected technologies.

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“…As cities grow and more chemical factories move away, so do the number of contaminated sites and the types of contaminants. A contaminated site is one of the current study hotspots, such as the distribution characteristics [ 1 , 2 , 3 ], risk assessment [ 4 , 5 ], remediation [ 6 , 7 , 8 , 9 , 10 ], and impact on human health [ 11 , 12 ]. Due to the typical characteristics of hidden, irreversible, and complex contaminated sites in China [ 13 ], a contaminated sites investigation has received more attention.…”

Section: Introductionmentioning

confidence: 99%

Design and Implementation of a Chain-Type Direct Push Drilling Rig for Contaminated Sites

Sun

Zhou

Cao

et al. 2023

IJERPH

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For sites where volatile organic compounds are present, the direct push method, in combination with other sensors for investigation, is a powerful method. The investigation process is an integrated drilling and sensing process, but the trajectory of the probe carrying the sensor is ambiguous. This paper explores and introduces the application of a chain-type direct push drilling rig by designing and building a chain-type direct push miniature drilling rig. This rig allows for indoor experimental studies of direct push trajectories. The chain-type direct push drilling model is proposed based on the mechanism of chain transmission. The drilling rig provides a steady direct thrust through the chain, which is driven by a hydraulic motor. In addition, the drilling tests and results described prove that the chain could be applied to direct push drilling. The chain-type direct push drilling rig can drill to a depth of 1940 mm in single-pass and up to 20,000 mm in multiple passes. The test results also indicate that it drills a total length of 462.461 mm and stops after 87.545 s of operation. The machine can provide a drilling angle of 0–90° and keep the borehole angle fluctuating within 0.6° with the characteristics of strong adjustability, flexibility, continuity, stability, and low disturbance, which is of great value and significance for studying the drilling trajectory of direct push tools and obtaining more accurate investigation data.

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Remediation of diesel-contaminated soil by low-temperature thermal desorption

Cited by 19 publications

References 18 publications

Removal of TPH, UCM, PAHs, and Alk-PAHs in oil-contaminated soil by thermal desorption

Removal of TPH, UCM, PAHs, and Alk-PAHs in oil-contaminated soil by thermal desorption

Cost reduction strategies in the remediation of petroleum hydrocarbon contaminated soil

Design and Implementation of a Chain-Type Direct Push Drilling Rig for Contaminated Sites

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