Membranes for Selective Separation of Emergency Contaminants from Wastewater

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Separation Processes".

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 1711

Special Issue Editors


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Guest Editor
Department of Membrane Separation Processes, Institute of Chemical Process Fundamentals of the Czech Academy of Science, 165 00 Prague, Czech Republic
Interests: membrane technology; nanotechnology; polymer chemistry
Department of Process Integration Engineering, Brewer Science, Rolla, MO 65401, USA
Interests: heterogeneous catalysis; CO2 utilization; C1 chemistry; process integration; water desalination; process modeling; density functional theory; electrochemical CO2 reduction
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Special Issue Information

Dear Colleagues,

Research on membranes technology has established the versatility of these materials in a wide range of applications. For example, membrane technology is widely accepted to produce various qualities of water from surface water, well water, brackish water, and seawater. In addition, membrane technology is also used in industrial processes and industrial wastewater treatment, and, lately, membrane technology has moved into the area of treating secondary and tertiary municipal wastewater. However, the impact of new membranes has gained another dimension. For example, they are seen as devices for eliminating selected compounds or enantioselective membranes for chiral separations, which is one of the most challenging and important problems in bio-separation technology. Superior properties and tailored functionalities can be achieved from the chemical modification or physical integration with other materials, combining their usual features with the particular chemistry of the materials.

This Special Issue welcomes research and review articles as well as short communications that contribute to the broad spectrum of applications in advanced membranes materials for the elimination of emergency contaminants (dyes, pharmaceuticals, pesticides, endocrine disruptors) from wastewater.

Dr. Mariia Pasichnyk
Guest Editor

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Keywords

  • membrane technology
  • emergency contaminants
  • pharmaceuticals
  • pesticides
  • chiral separations
  • dyes
  • wastewater treatment
  • endocrine disruptors
  • polymer membranes
  • inorganic membranes

Published Papers (1 paper)

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Research

16 pages, 3675 KiB  
Article
Removal Efficiency of Heavy Metals Such as Lead and Cadmium by Different Substrates in Constructed Wetlands
by Guangyi Fu, Shuang Zhou, Yuanyuan Zhao, Zhihui Li, Youze Xu and Zhaohui Guo
Processes 2022, 10(12), 2502; https://doi.org/10.3390/pr10122502 - 25 Nov 2022
Cited by 4 | Viewed by 1469
Abstract
In order to find an efficient and economical wetland substrate to treat mine wastewater containing various heavy metals, and effectively realize the resource utilization of water treatment residuals, in this paper, the treatment efficiency of mine wastewater containing various heavy metals was investigated [...] Read more.
In order to find an efficient and economical wetland substrate to treat mine wastewater containing various heavy metals, and effectively realize the resource utilization of water treatment residuals, in this paper, the treatment efficiency of mine wastewater containing various heavy metals was investigated using unburned ceramsite prepared from water treatment residuals (UCWTR) and clay ceramsite. The continuous dynamic test results showed that the removal rate of Pb, Cd, Cu, Zn, and Fe can reach more than 98.5% after the UCWTR-based CWs runs for 56 days, and its concentration was 30.05%, 24.85%, 20.82%, 14.63%, and 7.91% lower than that of the clay ceramsite-based CWs, respectively. SEM, XPS, and FT-IR showed that the characteristic peaks of two ceramsites were basically similar. The ceramsite undergoes ion exchange, coordination complexation, and chelation reaction with Pb, Cd, Cu, Zn, and Fe under the action of the gel of internal groups -OH, C=O, Al-OH, Si-Fe-O and C-S-H. Compared with clay ceramsite, the ion exchange reaction and chelation reaction of -OH effect and the coordination reaction of C=O effect of carboxyl group in UCWTR were enhanced. In conclusion, using UCWTR as a CWs substrate can effectively enhance the adsorption capacity of heavy metals, providing a scientific basis for the application of UCWTR-based CWs in mine wastewater treatment. Full article
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