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Removal of phenanthrene from coastal waters by green tide algae Ulva prolifera
Zhang, Cui1,2; Lu, Jian1,2; Wu, Jun2,3; Luo, Yongming1
2017-12-31
发表期刊SCIENCE OF THE TOTAL ENVIRONMENT
卷号609页码:1322-1328
文章类型Article
摘要Ulva prolifera (U. prolifera) has been frequently involved in terrible algal proliferation in coastal areas. Although it is known to be associated with green tide, its contribution to the natural attenuation of the polycyclic aromatic hydrocarbons (PAHs) in seawater has not been evaluated. In this study, the removal of phenanthrene using U. prolifera collected from coastal water with green tide blooming was investigated. The results showed that phenanthrene could be removed efficiently in the presence of both the live and heat-killed U. prolifera. The phenanthrene concentrations of the live algae treatment decreased smoothly from 10.00 to 0.80 mu g L-1 through the whole process, while those of the heat-killed algae treatment decreased sharply from 10.0 to 2.71 mu g L-1 in one day and kept constantly after that. The in situ monitoring and visualizing using laser confocal scanning microscopy (LCSM) confirmed the accumulation of phenanthrene in U. prolifera. The increase in nutrient and temperature led to the increase of phenanthrene removal rate, while the salinity had less influence on the removal of phenanthrene. The removal efficiency by U. prolifera had a good linear relationship with phenanthrene initial concentration (r(2) = 0.999) even at 100 mu g L-1 which was higher than its environmentally relevant concentrations. High removal efficiency (91.3%) was observed when the initial phenanthrene concentration was set at environmental relevant concentration (5 mu g L-1). Results of this study demonstrate a potential new natural attenuation process for typical PAHs in coastal water during the outbreak of green tide. These findings indicate that the outbreak of harmful green tide algae may bring positive environmental benefits in the terms of the removal of harmful organic pollutants from coastal waters. (C) 2017 Elsevier B.V. All rights reserved.
关键词Ulva Prolifera Green Tide Phenanthrene Natural Attenuation Phytoremediation Seawater
WOS标题词Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]POLYCYCLIC AROMATIC-HYDROCARBONS ; NUTRIENT-UPTAKE ; WASTE-WATER ; SOUTH CHINA ; PAHS ; DEGRADATION ; RIVER ; GROWTH ; PHOTOSYNTHESIS ; BIODEGRADATION
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology
WOS类目Environmental Sciences
WOS记录号WOS:000410352900136
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6253
专题青海盐湖研究所知识仓储
盐湖地质与环境实验室
作者单位1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
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Zhang, Cui,Lu, Jian,Wu, Jun,et al. Removal of phenanthrene from coastal waters by green tide algae Ulva prolifera[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2017,609:1322-1328.
APA Zhang, Cui,Lu, Jian,Wu, Jun,&Luo, Yongming.(2017).Removal of phenanthrene from coastal waters by green tide algae Ulva prolifera.SCIENCE OF THE TOTAL ENVIRONMENT,609,1322-1328.
MLA Zhang, Cui,et al."Removal of phenanthrene from coastal waters by green tide algae Ulva prolifera".SCIENCE OF THE TOTAL ENVIRONMENT 609(2017):1322-1328.
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