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DOI | 10.1016/j.scitotenv.2018.07.435 |
Recycled desalination membranes as a support material for biofilm development: A new approach for microcystin removal during water treatment | |
Moron-Lopez, Jesus1,3; Nieto-Reyes, Lucia1; Senan-Salinas, Jorge1; Molina, Serena1; El-Shehawy, Rehab1,2 | |
发表日期 | 2019 |
ISSN | 0048-9697 |
EISSN | 1879-1026 |
卷号 | 647页码:785-793 |
英文摘要 | Increased harmful cyanobacterial blooms and drought are some negative impacts of global warming. To deal with cyanotoxin release during water treatment, and to manage the massive quantities of end-of-life membrane waste generated by desalination processes, we propose an innovative biological system developed from recycled reverse osmosis (RO) membranes to remove microcystins (MC). Our system, named the Recycled-Membrane Biofilm Reactor (R-MBfR), effectively removes microcystins, while reducing the pollution impact of RO membrane waste by prolonging their life span at the same time. This multidisciplinary work showed that the inherent flaw of RO membranes, i.e., fouling, can be considered an advantageous characteristic for biofilm attachment. Factors such as roughness, hydrophilic surfaces, and the role of calcium in cell-cell and cell-surface interactions, encouraged bacterial growth on discarded membranes. Biofilm development was stimulated by using a laboratory-scale membrane module simulator cell. The R-MBfR proved versatile and was capable of degrading 2 mg center dot L-1 of MC in 24 h. The economic feasibility of the scaling-up of the hypothetical R-MBfR was also validated. Therefore, this membrane recycling could be a future green cost-effective alternative technology for MC removal. (c) 2018 Elsevier B.V. All rights reserved. |
WOS研究方向 | Environmental Sciences & Ecology |
来源期刊 | SCIENCE OF THE TOTAL ENVIRONMENT
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文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/91991 |
作者单位 | 1.IMDEA Water Inst, Madrid, Spain; 2.Stockholm Univ, Dept Environm Sci & Analyt Chem, Stockholm, Sweden; 3.Univ Alcala De Henares, Chem Engn Dept, Madrid, Spain |
推荐引用方式 GB/T 7714 | Moron-Lopez, Jesus,Nieto-Reyes, Lucia,Senan-Salinas, Jorge,et al. Recycled desalination membranes as a support material for biofilm development: A new approach for microcystin removal during water treatment[J],2019,647:785-793. |
APA | Moron-Lopez, Jesus,Nieto-Reyes, Lucia,Senan-Salinas, Jorge,Molina, Serena,&El-Shehawy, Rehab.(2019).Recycled desalination membranes as a support material for biofilm development: A new approach for microcystin removal during water treatment.SCIENCE OF THE TOTAL ENVIRONMENT,647,785-793. |
MLA | Moron-Lopez, Jesus,et al."Recycled desalination membranes as a support material for biofilm development: A new approach for microcystin removal during water treatment".SCIENCE OF THE TOTAL ENVIRONMENT 647(2019):785-793. |
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