Profiles of and variations in aluminum species in PAC-MC used for the removal of blooming microalgae
文献类型：期刊论文
| 作者 | Dong, Xueyi1,2,3,5; Cao, Xihua2,3,4,5 ; Jiang, Wenbin2,3,4,5; Song, Xiuxian2,3,4,5; Yu, Zhiming2,3,4,5; Yu, Shitao1
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| 刊名 | JOURNAL OF ENVIRONMENTAL SCIENCES
 |
| 出版日期 | 2021-08-01 |
| 卷号 | 106页码:76-82 |
| ISSN号 | 1001-0742 |
| 关键词 | Modified clay Red tide Aluminum species Microalgal removal efficiency Ecological safety |
| DOI | 10.1016/j.jes.2021.01.008 |
| 通讯作者 | Cao, Xihua(caoxh@qdio.ac.cn) |
| 英文摘要 | Polyaluminum chloride modified clay (PAC-MC) is a safe and efficient red tide control agent that has been studied and applied worldwide. Although it is well known that the distribution of hydrolytic aluminum species in PAC affects its flocculation, little is known about the influence of particulars aluminum species on the microalgae removal efficiency of PAC-MC; this lack of knowledge creates a bottleneck in the development of more efficient MCs based on aluminum salts. The ferron method was used in this study to quantitatively analyze the distributions of and variations in different hydrolytic aluminum species during the process of microalgae removal by PAC-MC. The results showed that Al a, which made up 5%-20% of the total aluminum, and Al-p, which made up 15%-55% of the total aluminum, significantly affected microalgae removal, with Pearson's correlation coefficients of 0.83 and 0.89, respectively. Most of the aluminum in the PAC-MC sank rapidly into the sediments, but the rate and velocity of settlement were affected by the dose of modified clay. The optimal dose of PAC-MC for precipitating microalgae was determined based on its aluminum profile. These results provide guidance for the precise application of PAC-MC in the control of harmful algal blooms. (C) 2021 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V. |
| 资助项目 | National Natural Science Foundation of China[41976145] ; Taishan Scholars Climbing Program of Shandong Province ; Science and Technology Major Project of Guangxi[AA17202020-4] |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| 出版者 | SCIENCE PRESS |
| WOS记录号 | WOS:000672560800007 |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/175837]  |
| 专题 | 海洋研究所_海洋生态与环境科学重点实验室 |
| 通讯作者 | Cao, Xihua |
| 作者单位 | 1.Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266042, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 3.Qingdao Natl Lab Marine Sci & Technol, Funct Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China |
| 推荐引用方式 GB/T 7714 | Dong, Xueyi,Cao, Xihua,Jiang, Wenbin,et al. Profiles of and variations in aluminum species in PAC-MC used for the removal of blooming microalgae[J]. JOURNAL OF ENVIRONMENTAL SCIENCES,2021,106:76-82. |
| APA | Dong, Xueyi,Cao, Xihua,Jiang, Wenbin,Song, Xiuxian,Yu, Zhiming,&Yu, Shitao.(2021).Profiles of and variations in aluminum species in PAC-MC used for the removal of blooming microalgae.JOURNAL OF ENVIRONMENTAL SCIENCES,106,76-82. |
| MLA | Dong, Xueyi,et al."Profiles of and variations in aluminum species in PAC-MC used for the removal of blooming microalgae".JOURNAL OF ENVIRONMENTAL SCIENCES 106(2021):76-82. |
入库方式： OAI收割
来源：海洋研究所
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