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中空纤维正向渗透膜对城市污水中新兴污染物的生态风险评估与去除

Ecological Risk Evaluation and Removal of Emerging Pollutants in Urban Wastewater by a Hollow Fiber Forward Osmosis Membrane.

作者信息

Salamanca Mónica, López-Serna Rebeca, Palacio Laura, Hernandez Antonio, Prádanos Pedro, Peña Mar

机构信息

Institute of Sustainable Processes (ISP), University of Valladolid, Dr. Mergelina s/n, E-47011 Valladolid, Spain.

Department of Chemical Engineering and Environmental Technology, University of Valladolid, Dr. Mergelina s/n, E-47011 Valladolid, Spain.

出版信息

Membranes (Basel). 2022 Mar 4;12(3):293. doi: 10.3390/membranes12030293.

DOI:10.3390/membranes12030293
PMID:35323768
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8949913/
Abstract

Forward osmosis (FO) is a promising technology for the treatment of urban wastewater. FO can produce high-quality effluents and preconcentrate urban wastewater for subsequent anaerobic treatment. This membrane technology makes it possible to eliminate the pollutants present in urban wastewater, which can cause adverse effects in the ecosystem even at low concentrations. In this study, a 0.6 m hollow fiber aquaporin forward osmosis membrane was used for the treatment of urban wastewater from the Valladolid wastewater treatment plant (WWTP). A total of 51 Contaminants of Emerging Concern (CECs) were investigated, of which 18 were found in the target urban wastewater. They were quantified, and their ecotoxicological risk impact was evaluated. Different salts with different concentrations were tested as draw solutions to evaluate the membrane performances when working with pretreated urban wastewater. NaCl was found to be the most appropriate salt since it leads to higher permeate fluxes and lower reverse saline fluxes. The membrane can eliminate or significantly reduce the pollutants present in the studied urban wastewater, producing water without ecotoxicological risk or essentially free of pollutants. In all cases, good recovery was achieved, which increased with molecular weight, although chemical and electrostatic interactions also played a role.

摘要

正向渗透（FO）是一种用于处理城市污水的有前景的技术。正向渗透能够产生高质量的出水，并对城市污水进行预浓缩以便后续的厌氧处理。这种膜技术使得消除城市污水中存在的污染物成为可能，这些污染物即使在低浓度下也会对生态系统造成不利影响。在本研究中，使用了一种0.6米的中空纤维水通道蛋白正向渗透膜来处理来自巴利亚多利德污水处理厂（WWTP）的城市污水。总共研究了51种新兴关注污染物（CECs），其中18种在目标城市污水中被发现。对它们进行了定量分析，并评估了它们的生态毒理学风险影响。测试了不同浓度的不同盐作为汲取液，以评估在处理预处理后的城市污水时膜的性能。发现氯化钠是最合适的盐，因为它能带来更高的渗透通量和更低的反向盐通量。该膜能够消除或显著减少所研究城市污水中存在的污染物，产生无生态毒理学风险或基本无污染的水。在所有情况下，都实现了良好的回收率，回收率随分子量增加，尽管化学和静电相互作用也起到了一定作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/c603df0489f2/membranes-12-00293-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/57dfb73c44c9/membranes-12-00293-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/eadc101dd252/membranes-12-00293-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/5bda47a70b73/membranes-12-00293-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/dfac93dc421e/membranes-12-00293-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/3587222b212f/membranes-12-00293-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/aa43ac50b338/membranes-12-00293-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/67b9dc01a770/membranes-12-00293-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/8b32dd709c5f/membranes-12-00293-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/77771fc51327/membranes-12-00293-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/edb19cd322bd/membranes-12-00293-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/c603df0489f2/membranes-12-00293-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/57dfb73c44c9/membranes-12-00293-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/eadc101dd252/membranes-12-00293-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/5bda47a70b73/membranes-12-00293-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/dfac93dc421e/membranes-12-00293-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/3587222b212f/membranes-12-00293-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/aa43ac50b338/membranes-12-00293-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/67b9dc01a770/membranes-12-00293-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/8b32dd709c5f/membranes-12-00293-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/77771fc51327/membranes-12-00293-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/edb19cd322bd/membranes-12-00293-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fb29/8949913/c603df0489f2/membranes-12-00293-g011.jpg

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[4]
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[6]
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本文引用的文献

[1]
Environmental and health impacts of contaminants of emerging concerns: Recent treatment challenges and approaches.

Chemosphere. 2021-6

[2]
Application of Waste Glycerol as a Draw Solution for Forward Osmosis.

Membranes (Basel). 2021-12-29

[3]
Prioritization and environmental risk assessment of pharmaceuticals mixtures from Brazilian surface waters.

Environ Pollut. 2021-11-1

[4]
A two-year study of emerging micro-pollutants and drugs of abuse in two Western Cape wastewater treatment works (South Africa).

Chemosphere. 2021-12

[5]
From pollutant removal to resource recovery: A bibliometric analysis of municipal wastewater research in Europe.

Chemosphere. 2021-12

[6]
Mitigation of emerging pollutants and pathogens in decentralized wastewater treatment processes: A review.

Sci Total Environ. 2021-7-20

[7]
Ecotoxicological risk assessment of contaminants of emerging concern identified by "suspect screening" from urban wastewater treatment plant effluents at a territorial scale.

Sci Total Environ. 2021-7-15

[8]
Removal of biological effects of organic pollutants in municipal wastewater by a novel advanced oxidation system.

J Environ Manage. 2021-2-15

[9]
Forward Osmosis as Concentration Process: Review of Opportunities and Challenges.

Membranes (Basel). 2020-10-14

[10]
Treatment technologies for emerging contaminants in wastewater treatment plants: A review.

Sci Total Environ. 2020-8-26

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