A PILOT STUDY ON SOIL REMEDIATION OF VOLATILE ORGANIC CONTAMINATED SITE

YOU Yangyang; LIANG Zengqiang; HUO Ning

doi:10.13205/j.hjgc.202403023

Volume 42 Issue 3

Mar. 2024

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Abstract

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2024 > 42(3): 184-189

ZHAO Xi, WU Shan-shan, LU Ke-ding. DEVELOPMENT OF AN EVALUATION SYSTEM FOR ASSESSING CONSTRUCTION LEVEL IN OPERATION OF MUNICIPAL SOLID WASTE COMPREHENSIVE TREATMENT PARK FOR ZERO-WASTE CITIES[J]. ENVIRONMENTAL ENGINEERING , 2021, 39(2): 136-140,15. doi: 10.13205/j.hjgc.202102022

Citation:

YOU Yangyang, LIANG Zengqiang, HUO Ning. A PILOT STUDY ON SOIL REMEDIATION OF VOLATILE ORGANIC CONTAMINATED SITE[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(3): 184-189. doi: 10.13205/j.hjgc.202403023

Citation:

YOU Yangyang, LIANG Zengqiang, HUO Ning. A PILOT STUDY ON SOIL REMEDIATION OF VOLATILE ORGANIC CONTAMINATED SITE[J]. ENVIRONMENTAL ENGINEERING , 2024, 42(3): 184-189. doi: 10.13205/j.hjgc.202403023

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A PILOT STUDY ON SOIL REMEDIATION OF VOLATILE ORGANIC CONTAMINATED SITE

doi: 10.13205/j.hjgc.202403023

1. State Environmental Protection Engineering(Tianjin) Co., Ltd., Tianjin 300280, China;
2. Tianjin Huanjian Environmental Testing Co., Ltd., Tianjin 300191, China

Received Date: 2023-01-30
Available Online: 2024-05-31

Abstract

Abstract

The remediation techniques of benzene, 1, 4-dichlorobenzene, and 1, 2-dichlorobenzene in soil with high pollution level (>120 mg/kg) and low pollution level (<25 mg/kg) were used to study the remediation of soil contaminated by typical pesticide production sites. The results showed that the removal of benzene, 1, 4-dichlorobenzene, and 1, 2-dichlorobenzene from contaminated soil was significantly affected by normal temperature desorption (quicklime+mechanical stirring), chemical oxidation (alkali activated sodium persulfate) and thermal desorption (200~400 ℃), but the effect of different remediation techniques was significantly different. Normal temperature desorption technology and alkali activated sodium persulfate oxidation technology could not fully meet the remediation requirements under experimental conditions, while thermal desorption technology (optimal conditions: temperature of 400 ℃, residence time of 20 min) could meet the remediation standards for the three target pollutants in soil with low and high pollution levels.
- chemical oxidation,
- desorption at room temperature,
- thermal desorption,
- volatile organic compounds(VOCs),
- soil remediation

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References(21)

References

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