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321.
Diffusion of polybrominated diphenyl ether (PBDE) from an e-waste recycling area to the surrounding regions in Southeast China 总被引:7,自引:0,他引:7
Ya-Xian Zhao Xiao-Fei Qin Yan Li Peng-Yan Liu Mi Tian Shi-Shuai Yan Zhan-Fen Qin Xiao-Bai Xu Yong-Jian Yang 《Chemosphere》2009,76(11):1470-1476
Using Cinnamomum camphora (C. camphora) leaves as biomonitors, we investigated that the diffusion of polybrominated diphenyl ethers (PBDEs) from an e-waste recycling area to the surrounding regions. Variance in ∑32PBDEs concentrations (0.46–399.93 ng g−1 dry weight) in the leaves showed that PBDEs from the e-waste recycling area diffused into the surrounding regions, and resulted in a halo of PBDEs contamination, at least 74 km in radius. The attenuation of ∑32PBDEs in the diffusing process fitted in log-linear regression. The difference in the attenuating slopes of linear equations among different directions can be explained by terrain and wind direction. The attenuation of PBDE congeners also fitted well in log-linear regression. The findings that similar attenuating slopes and characteristic travel distance among congeners suggest that the transport behavior of lower brominated congeners might not differ from that of higher brominated congeners in short-range scale. 相似文献
322.
Dechlorane Plus (DP) in air and plants at an electronic waste (e-waste) site in South China 总被引:1,自引:0,他引:1
Chen SJ Tian M Wang J Shi T Luo Y Luo XJ Mai BX 《Environmental pollution (Barking, Essex : 1987)》2011,159(5):1290-1296
Air and foliage samples (Eucalyptus spp. and Pinus massoniana Lamb.) were collected from e-waste and reference sites in South China and analyzed for Dechlorane Plus (DP) and two dechlorinated DPs. DP concentrations in the air were 13.1-1794 pg/m3 for the e-waste site and 0.47-35.7 pg/m3 for the reference site, suggesting the recycling of e-waste is an important source of DP to the environment. Plant DP, with concentrations of 0.45-51.9 ng/g dry weight at the e-waste site and 0.09-2.46 ng/g at the reference site, exhibited temporal patterns similar to the air DP except for pine needle at the reference site. The air-plant exchange of DP could be described with the two-compartment model. Anti-Cl11 DP was measured in most air and plant samples from the e-waste site. The ratios of anti-Cl11 DP to anti-DP in the air and plants may indicate the preferential uptake of dechlorinated DP by plant compared with DP. 相似文献
323.
Zhang Wenjie Mi Yongbao Jiao Weiguo 《Environmental science and pollution research international》2022,29(49):74038-74050
Environmental Science and Pollution Research - High-pressure rotary jetting (HPRJ) remediation is a recent-applied technology for in situ remediation of contaminated soils. The effectiveness of... 相似文献