Landfarming in a PAH-contaminated soil

被引：18

作者：

Picado, A ^{[1
]}

Nogueira, A ^{[1
]}

Baeta-Hall, L ^{[1
]}

Mendonça, E ^{[1
]}

Rodrigues, MD ^{[1
]}

Sàágua, MD ^{[1
]}

Martins, A ^{[1
]}

Anselmo, AM ^{[1
]}

机构：

[1] Inst Nacl Engn & Tecnol Ind, P-1649038 Lisbon, Portugal

来源：

JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING | 2001年 / 36卷 / 09期

关键词：

bioremediation; landfarming; PAHs; acute and chronic ecotoxicity;

D O I：

10.1081/ESE-100106243

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The present work describes a coke oven soil treatability study by land-farming, conducted on-site in a field scale facility covering 100 m(2). The soil contamination was mainly due to high concentrations of polynuclear aromatic hydrocarbons (PAHs) up to 1140mg/Kg dry weight (Sigma EPA). Along the treatment process the soil was characterised at the chemical, microbiological and ecotoxicological levels. After 3 months a reduction of 63% in total PAHs concentration was observed, being detected a more pronounced reduction for PAHs with 2, 3 and 4 rings (79%). Concomitantly, a change in the composition of the microbial population was observed with a significant increase in the PAHs degrading and total heterotrophic colonies. Concerning the ecotoxicity and genotoxicity data no effect was detected in the treated soil samples eluates.

引用

页码：1579 / 1588

页数：10

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