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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.6
- 수록면
- 213 - 225 (13page)
이용수
초록· 키워드
오류제보하기
Sulfate radical-based advanced oxidation processes have been applied in the remediation of polycyclic aromatic hydrocarbons (PAHs) contaminated soil, during which sulfate can be activated in different ways. In this work, effects of four different ways (FeSO₄, NaOH, H₂O₂, and Heat) activated sodium persulfate (PS) on PAHs removal and soil physicochemical properties (pH, organic matter, functional groups, surface morphology, and partial heavy metal elements) were compared, and the influencing factors and mechanism of soil PAHs removal by thermally activated PS were also studied. The results showed that at the dosage of 3% of persulfate, the removal efficiency of PAHs followed the sequences of Heat (91.4%) > FeSO₄ (86.6%) > H₂O₂ (86.2%) > NaOH (72.9%). However, thermal activation decreased the soil pH and organic matter content more significantly than other treatments. The reaction tended to reach equilibrium at 6 h when the dosage of persulfate was 3% and the activation temperature was 60°C, and the reaction obeyed pseudo-first-order kinetics. Through quenching experiments, it was found that the free radicals playing a dominant role in the oxidation process were sulfate radicals. Compared with pH, liquid to soil (L/S ratio) and the temperature had more significant impacts on the degradation efficiency of PAHs.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (42)
참고문헌 신청
Kuppusamy S, Thavamani P, Venkateswarlu K, Lee YB, Naidu R, Megharaj M. Remediation approaches for polycyclic aromatic hydrocarbons (PAHs) contaminated soils: Technological constraints, emerging trends and future directions. Chemosphere. 2017;168:944-968.
Usman M, Hanna K, Haderlein S. Fenton oxidation to remediate PAHs in contaminated soils: A critical review of major limitations and counter-strategies. Sci. Total. Environ. 2016;569:179-190. doi:10.1016/j.scitotenv.2016.06.135
Zhang P, Chen Y. Polycyclic aromatic hydrocarbons contamination in surface soil of China: A review. Sci. Total. Environ. 2017;605:1011-1020. doi:10.1016/j.scitotenv.2017.06.247
Guo J, Gao Q, Yang S, et al. Degradation of pyrene in contaminated water and soil by Fe2+-activated persulfate oxidation: Performance, kinetics, and background electrolytes (Cl-, HCO3- and humic acid) effects. Process. Saf. Environ. 2021;146:686-693. doi:
Li GL, Lang YH, Gao MS, Yang W, Peng P, Wang XM. Carcinogenic and mutagenic potencies for different PAHs sources in coastal sediments of Shandong Peninsula. Mar. Pollut. Bull. 2014;84(1-2):418-423. doi:10.1016/j.marpolbul.2014.04.039
Usman M, Hanna K, Haderlein S. Fenton oxidation to remediate PAHs in contaminated soils: A critical review of major limitations and counter-strategies. Sci. Total. Environ. 2016;569:179-190. doi:10.1016/j.scitotenv.2016.06.135
Zhang P, Chen Y. Polycyclic aromatic hydrocarbons contamination in surface soil of China: A review. Sci. Total. Environ. 2017;605:1011-1020. doi:10.1016/j.scitotenv.2017.06.247
Guo J, Gao Q, Yang S, et al. Degradation of pyrene in contaminated water and soil by Fe2+-activated persulfate oxidation: Performance, kinetics, and background electrolytes (Cl-, HCO3- and humic acid) effects. Process. Saf. Environ. 2021;146:686-693. doi:
Li GL, Lang YH, Gao MS, Yang W, Peng P, Wang XM. Carcinogenic and mutagenic potencies for different PAHs sources in coastal sediments of Shandong Peninsula. Mar. Pollut. Bull. 2014;84(1-2):418-423. doi:10.1016/j.marpolbul.2014.04.039
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