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Fe2+活化过硫酸盐在石油污染土壤中修复实验研究
Experimental study of the repair of Fe2+ activated persulfate in oil contaminated soils
投稿时间:2017-05-31  修订日期:2017-10-11
中文关键词:过硫酸盐  硫酸亚铁  石油污染土壤  降解
英文关键词:persulfate  ferrous sulfate  oil contaminated soil  degradation
基金项目:国家自然科学基金资助项目(41462002)
作者单位E-mail
张译之 新疆大学 地质与矿业工程学院, 新疆 乌鲁木齐 830046  
贾汉忠 中国科学院 新疆理化技术研究所, 新疆 乌鲁木齐 830011  
汪立今 新疆大学 地质与矿业工程学院, 新疆 乌鲁木齐 830046 LW668W@sina.com 
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中文摘要:
      硫酸根自由基的高级氧化技术以高效率、污染少等优点被广泛用于环境污染治理。本文以实际石油污染土壤为对象,运用该体系对土壤进行修复研究,分别从Na2S2O8/Fe2+摩尔比、体系pH值、Na2S2O8/Fe2+投加量等方面开展了实验研究。实验表明:当Na2S2O8/Fe2+摩尔比为2:3时,石油污染物的降解效果最好,体系的pH值对降解效果影响不大,1 g土壤中浓度为0.1 mol/L的过硫酸钠和硫酸亚铁溶液的最佳加入量为2 mL、3 mL时,对土壤的降解效果最为明显,故每吨污染土壤的添加量大约为2×106 mL、3×106 mL。
英文摘要:
      Advanced oxidation technology based on sulfate radicals is widely used in environmental pollution control with high efficiency and low pollution. In this paper, the system was used to repair soil. Experimental study was carried out in the aspects of the Na2S2O8/Fe2+ molar ratio, the pH value of the system and the dosage of Na2S2O8/Fe2+. The results show that, when the molar ratio of Na2S2O8/Fe2+ is 2:3, the degradation effect of oil pollutants is the best, and the pH value of the system has little effect on the degradation effect. The optimal amount of sodium persulfate and ferrous sulfate solution with 0.1 mol/L concentration is 2 mL and 3 mL in 1 g soil, the degradation effect of No.2 soil is most obvious. Therefore, the amount of contaminated soil per ton is about 2×106 mL, 3×106 mL.
张译之,贾汉忠,汪立今,2017,Fe2+活化过硫酸盐在石油污染土壤中修复实验研究[J].岩石矿物学杂志,36(6):881~886.
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