Hemoglobin-Catalyzed Oxidation for Remediation of Total Petroleum Hydrocarbons Contaminated Soil

被引：6

作者：

Jho, Eun Hea ^{[1
]}

Keum, Haein ^{[1
]}

Pyo, Sunyeon ^{[1
]}

Kang, Guyoung ^{[1
]}

机构：

[1] Hankuk Univ Foreign Studies, Dept Environm Sci, Seoul, South Korea

来源：

CLEAN-SOIL AIR WATER | 2016年 / 44卷 / 06期

关键词：

Crude oils; Hemoglobin; Hydrogen peroxide; TPH degradation; BIOREMEDIATION; DEGRADATION; PREDICTION; TOXICITY;

D O I：

10.1002/clen.201500253

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The degradability of total petroleum hydrocarbons (TPH)-contaminated soils by hemoglobin-catalyzed oxidation with hydrogen peroxide (H2O2) was investigated using 8g H2O2 kg(-1) soil and 3.3 g hemoglobin kg(-1) soil. When both hemoglobin and H2O2 were used to initiate the oxidation reaction, approximately 76% TPH removal was achieved, while only 26% was removed when only H2O2 was used. This shows that the TPH removal can be enhanced in the presence of hemoglobin as a catalyst. In addition, the toxic effect of the soil treated by the hemoglobin-catalyzed oxidation, determined using Microtox (R), was reduced by about three times compared to the untreated soil. Overall, this study shows that hemoglobin may successfully act as a catalyst enhancing TPH removal in soils.

引用

页码：654 / 656

页数：3

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