Enhanced Biodegradation of Long-chain Alkanes in Soils Using Matching Fenton Pre-oxidation

被引：2

作者：

Du, Juan ^{[1
,2
,3
]}

Xu, Jinlan ^{[1
,2
,3
]}

Wang, Huifang ^{[1
,2
,3
]}

Li, Lu ^{[1
,2
,3
]}

Zhang, Shaofeng ^{[1
,2
,3
]}

Chen, Ziwei ^{[1
,2
,3
]}

Huang, Tinglin ^{[1
,2
,3
]}

机构：

[1] Xian Univ Architecture & Technol, Sch Environm & Municipal Engn, Xian, Shaanxi, Peoples R China

[2] Key Lab Northwest Water Resources Environm & Ecol, Xian, Shaanxi, Peoples R China

[3] Key Lab Environm Engn, Xian, Shaanxi, Peoples R China

来源：

SOIL & SEDIMENT CONTAMINATION | 2020年 / 29卷 / 01期

关键词：

Matching Fenton pre-oxidation; long-chain alkanes; bioremediation; crude oil-contaminated soil; OIL-CONTAMINATED SOIL; CHEMICAL OXIDATION; SUBSEQUENT BIOREMEDIATION; NATURAL ATTENUATION; REMEDIATION; NUTRIENTS; BIOSTIMULATION; DEGRADATION; DIESEL; IMPACT;

D O I：

10.1080/15320383.2019.1693964

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The purpose of this study is to find matching Fenton pre-oxidation that can enhance the subsequent biodegradation of long-chain alkanes in soils. After matching Fenton pre-oxidation, the hydrocarbon degraders in soils grew quickly, which was stimulated to degrade the long-chain alkanes as its main carbon sources. Therefore, the long-chain alkanes removal was improved significantly. The results of this study suggested that the degradation of C-25 - C-30 after matching Fenton pre-oxidation was up to 5463 mg/kg (67%), which was 5.2 times higher than that of unmatching Fenton pre-oxidation (1044 mg/kg). In addition, after matching Fenton pre-oxidation, the hydrocarbon degraders were stimulated to degrade the long-chain alkanes and nitrogen sources hugely so that the hydrocarbon degraders can increase considerably (73%). This was the reason that the biodegradation of long-chain alkanes was enhanced by matching Fenton pre-oxidation.

引用

页码：120 / 131

页数：12

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