Potential use of Impatiens balsamina L. for bioremediation of lead and polychlorinated biphenyl contaminated soils

Bibliographic Data

ID21647438
AuthorsWeitao Liu (0000-0003-1352-0243, MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering Nankai University Tianjin PR China, corresponding author), Jiani Wu (0000-0003-1713-6783, MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering Nankai University Tianjin PR China), Jiapan Lian (0000-0002-0990-7771, MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering Nankai University Tianjin PR China), Xue Zhang (0000-0001-5977-3639, MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering Nankai University Tianjin PR China), Aurang Zeb (0000-0002-2778-0444, MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering Nankai University Tianjin PR China), Qixing Zhou (0000-0003-4864-1715, MOE Key Laboratory of Pollution Processes and Environmental Criteria, College of Environmental Science and Engineering Nankai University Tianjin PR China), Yuebing Sun (0000-0001-7751-6193, Key Laboratory of Original Environmental Pollution Prevention and Control Ministry of Agriculture and Rural Affairs Tianjin PR China)
Year2021
Volume32
Issue13
Pages3773-3784
Publication date2021-08-15
Open AccessYes
TypeARTICLE
VenueLand Degradation and Development (JOURNAL)
Journal identifiersISSN: 1085-3278 • E-ISSN: 1099-145X
PublisherWiley (PUBLISHER • GB)
DOI10.1002/ldr.3857
OpenAlexW3111713531
LanguageEN
Citations received1
References cited47

In recent years, due to the improper dismantling of electronic waste (e‐waste) in China, high levels of lead (Pb) and polychlorinated biphenyls (PCBs) have been released into the environment, which posed potential health risks to residents, especially to children. A pot‐culture experiment was carried out to evaluate the phytoremediation potential of PCBs and Pb co‐contaminated soil by the use of Impatiens balsamina L. The results indicated that PCBs and Pb had negative effect on plant growth, while the presence of PCBs partially alleviated Pb toxicity to I. balsamina . The existence of PCBs showed nonsignificant effects on Pb uptake by I. balsamina . However, the presence of PCBs influenced the distribution of Pb among plant tissues. The order of Pb accumulation in tissues was roots > stems > leaves, indicating the plant may be suitable for the phytostabilization of Pb in soil. The degradation rates of PCB 18 (25–68%) and PCB 28 (14–61%) in the planted soil was significantly higher than that in the unplanted soil, which confirmed the vegetation is beneficial for the biodegradation of PCBs in soils. Plant–microbial consortia in the rhizosphere make a predominant contribution to PCBs dissipation in the co‐contaminated soil. Significant differences in microbial taxonomic composition between the contaminated soils and a blank control were observed. I. balsamina could have the potential for remediating PCBs and lead co‐contaminated soils, even though further field studies are still required

Bacteria · Biodegradation · Biology · Bioremediation · Botany · Contamination · Cultivar · Heavy metals · Impatiens · Phytoremediation · Polychlorinated biphenyl · Rhizosphere · Soil contamination · Soil water · Chemistry · Electrokinetic Soil Remediation Techniques · Environmental Science · Heavy metals in environment · Microplastics and Plastic Pollution · Ecology · Environmental Chemistry · Soil Science

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