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Potential of Ulva prolifera in phytoremediation of seawater polluted by cesium and cobalt: an experimental study on the biosorption and kinetics
Wang, Xuemei1,2,3; Shan, Tifeng1,2,3; Pang, Shaojun1,2,3
2021-10-18
发表期刊JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
页码8
通讯作者Shan, Tifeng(shantifeng@qdio.ac.cn) ; Pang, Shaojun(sjpang@qdio.ac.cn)
摘要Radionuclides accidentally released from nuclear power plants, such as Cs-137 and Co-60, can lead to severe contamination of marine ecosystems. Living macroalgae are efficient in absorbing metal elements from seawater. A 10-day simulation was conducted to assess the potential of scavenging cesium (Cs) and cobalt (Co) with live Ulva prolifera that was cultured in seawater medium containing Cs and Co in different concentrations (0 (the control), 10, 20, 50, and 100 mg/L). In the experiment, 5 kg (fresh weight) of U. prolifera was cultured in natural seawater in 90-L tanks. Results showed that after the experiment, the average bioconcentration factors (BCFs) of the control group were 247.2 and 1 126.4 for Cs and Co, respectively. The absolute absorption quantity of U. prolifera increased and the BCFs decreased with the increase in Cs and Co concentrations. The biosorption of the two metals on the first day well fit the pseudo-second-order equation (R-2>0.95), indicating that adsorption is the rate-limiting step in the total biosorption process. Concentrations of both metal ions declined significantly in the first hour and decreased by 25.2% and 15.5% in 48 h, respectively. Therefore, live U. prolifera is efficient at scavenging Cs and Co in seawater, providing potential applications for the phytoremediation of radionuclides contaminated seawaters.
关键词radionuclide pollution phytoremediation green tide Ulva prolifera biosorption kinetics
DOI10.1007/s00343-001-1205-7
收录类别SCI
语种英语
资助项目State's Key Project of Research and Development Plan, China[2016YFC1402507] ; China Agriculture Research System of Ministry of Finance, and the Ministry of Agriculture[CARS-50]
WOS研究方向Marine & Freshwater Biology ; Oceanography
WOS类目Limnology ; Oceanography
WOS记录号WOS:000797761400001
出版者SCIENCE PRESS
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/179237
专题实验海洋生物学重点实验室
通讯作者Shan, Tifeng; Pang, Shaojun
作者单位1.Chinese Acad Sci, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, Shandong Prov Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China
第一作者单位中国科学院海洋大科学研究中心
通讯作者单位中国科学院海洋大科学研究中心
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GB/T 7714
Wang, Xuemei,Shan, Tifeng,Pang, Shaojun. Potential of Ulva prolifera in phytoremediation of seawater polluted by cesium and cobalt: an experimental study on the biosorption and kinetics[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2021:8.
APA Wang, Xuemei,Shan, Tifeng,&Pang, Shaojun.(2021).Potential of Ulva prolifera in phytoremediation of seawater polluted by cesium and cobalt: an experimental study on the biosorption and kinetics.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,8.
MLA Wang, Xuemei,et al."Potential of Ulva prolifera in phytoremediation of seawater polluted by cesium and cobalt: an experimental study on the biosorption and kinetics".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2021):8.
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