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Hemoglobin‐Catalyzed Oxidation for Remediation of Total Petroleum Hydrocarbons Contaminated Soil
Author(s) -
Jho Eun Hea,
Keum Haein,
Pyo Sunyeon,
Kang Guyoung
Publication year - 2016
Publication title -
clean – soil, air, water
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 66
eISSN - 1863-0669
pISSN - 1863-0650
DOI - 10.1002/clen.201500253
Subject(s) - hemoglobin , catalysis , environmental remediation , chemistry , hydrogen peroxide , soil water , environmental chemistry , soil contamination , nuclear chemistry , inorganic chemistry , contamination , organic chemistry , environmental science , biology , soil science , ecology
The degradability of total petroleum hydrocarbons (TPH)‐contaminated soils by hemoglobin‐catalyzed oxidation with hydrogen peroxide (H 2 O 2 ) was investigated using 8 g H 2 O 2 kg −1 soil and 3.3 g hemoglobin kg −1 soil. When both hemoglobin and H 2 O 2 were used to initiate the oxidation reaction, approximately 76% TPH removal was achieved, while only 26% was removed when only H 2 O 2 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®, 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.
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