Technology Innovation for Sustainable Water-Selected Papers from the 5th International Water Industry Conference 2019 (IWIC2019)

A special issue of Water (ISSN 2073-4441).

Deadline for manuscript submissions: closed (31 March 2020) | Viewed by 5274

Special Issue Editor


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Guest Editor
Kyungpook National University
Interests: Adsorption; Degradation; Environmental nanotechnology; Fate and transport of nanomaterials; Membrane filtration
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Special Issue Information

Dear Colleagues,

This Special Issue will include selected papers that were presented at the 5th International Water Industry Conference 2019 (IWIC2019) (http://www.waterindustry.kr/), which was held in Daegu, Korea from 3 to 6 September, 2019. The Special Issue deals with a longstanding agenda with respect to clean, safe, and sustainable water supply, as well as the latest research trends in the fields of water research. Subtopics to be covered are as follows:

  • Microplastics in the environment: occurrence, detection, and removal
  • Advanced technologies for sustainability in a changing environment
  • Biological aspects of wastewater treatment
  • Convergence technology nexus for the water industry
  • Desalination and concentrate treatment
  • Electrochemical and advanced oxidation processes for contaminant removal
  • Electrochemical water and wastewater treatment: from lab to field
  • Membrane-based water and wastewater treatment 
  • Resource recovery from wastewater 
  • Smart recycling in smart cities for smart living
  • Towards energy positive sewage treatment system
  • Water quality and resources management: particles and organics in the water environment

Assist. Prof. Chang Min Park
Guest Editor

Manuscript Submission Information

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Keywords

  • Convergence technology nexus
  • Desalination
  • Electrochemical water treatment
  • Membrane-based water treatment
  • Resource recovery from wastewater
  • Smart recycling
  • Energy positive sewage treatment
  • Microplastics

Published Papers (1 paper)

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Research

14 pages, 6294 KiB  
Article
Post-Treatment of Nanofiltration Polyamide Membrane through Alkali-Catalyzed Hydrolysis to Treat Dyes in Model Wastewater
by Byung-Moon Jun, Yeomin Yoon and Chang Min Park
Water 2019, 11(8), 1645; https://doi.org/10.3390/w11081645 - 9 Aug 2019
Cited by 28 | Viewed by 4796
Abstract
This research focused on the influence of post-treatment using alkali-catalyzed hydrolysis with a full-aromatic nanofiltration (NF) polyamide membrane and its application to the efficient removal of selected dyes. The post-treated membranes were characterized through Fourier transform infrared spectroscopy, goniometry, and zeta-potential analysis to [...] Read more.
This research focused on the influence of post-treatment using alkali-catalyzed hydrolysis with a full-aromatic nanofiltration (NF) polyamide membrane and its application to the efficient removal of selected dyes. The post-treated membranes were characterized through Fourier transform infrared spectroscopy, goniometry, and zeta-potential analysis to analyze the treatment-induced changes in the intrinsic properties of the membrane. Furthermore, the changes in permeability induced by the post-treatment were evaluated via the measurement of water flux, NaCl rejection, and molecular weight cutoff (MWCO) under different pH conditions and post-treatment times. Major changes induced by the post-treatment in terms of physicochemical properties were the enhancement of permeability, hydrophilicity, and negative charge due to the hydrolysis of the membrane’s amide bonds. Four different dyes were selected as representative organic pollutants considering the MWCO of the post-treated membranes. Compared with the pristine NF membrane, membranes post-treated at pH 13.5 showed better water flux with similar rejection of the target dyes. On the basis of these results, the proposed post-treatment method for NF membranes can be applied to the removal of organic pollutants of various size. Full article
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