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Editors-in-Chief
    Prof. Enrico Drioli (European Ed.)
    Dept. of Chemical Eng. & Materials
    University of Calabria, Italy

    Dr. Youngchul Choi (American Ed.)
    Water Technology
    Saudi Aramco R&D Center

    Prof. Jae Woo Lee (Asia-Pacific Ed.)
    Dept. of Environ. Eng.
    Korea University, Korea

    Prof. Kangwoo Cho
    Division of Environ. Sci. Eng.
    POSTECH, Korea

Managing Editor
    Prof. Chang-Koon Choi
    Dept. of Civil & Environmental Engineering
    Korea Advanced Institute of Science
    & Technology, Daejeon 34141, Korea

 SCOPUS
 SCIE (Impact factor: 0.8)
ISSN: 2005-8624(Print)
  ISSN: 2092-7037(Online)
Vol.15 (4 issues) for 2024, Quarterly
 
Hybrid Open Access journal: there is an Optional Open Access Fee of USD 595.
For correspondence: mwt@techno-press.com
This journal is jointly published with Korea Society on Water Environment(KSWE).
Aims and Scope

The Membrane and Water Treatment(MWT), An International Journal, aims at opening an access to the valuable source of technical information and providing an excellent publication channel for the global community of researchers in Membrane and Water Treatment related area. Specific emphasis of the journal may include but not limited to; the engineering and scientific aspects of understanding the basic mechanisms and applying membranes for water and waste water treatment, such as transport phenomena, surface characteristics, fouling, scaling, desalination, membrane bioreactors, water reuse, and system optimization.
Editorial Board
 

Prof. Jihyang Kweon
Dept. of Environ. Eng.
Konkuk University, Korea


Dr. SP Agashichev
ADWEA-Research Center
Nat Energy Water Res Cntr, UAE


Prof. AL Ahmad
School of Chem Eng
Univ. Sains Malaysia, Malaysia


Dr. P Aimar
Genie of the Interf Divided Media
Genie Chem Lab of Toulouse, France

Prof. M Al-Anber
Dept of Environ Health
Univ. of Hali, Saudi Arabia


Dr. A Cassano
Inst of Membr Technol
Univ of Calabria, Italy


Prof. Kyung-Ik Gil
Seoul National Univ. of Science
and Technology, Korea


Prof. P Fievet
Equipe "Nanosciences, Capteurs,
Membranes", Inst UTINAM (UMR
CNRS 6213), France


Prof. AF Ismail
Adv Membrane Tech Res Center
Universiti Teknologi Malaysia, Malaysia


Prof. B Liao
Dept of Chemical Eng
Lakehead Univ, Canada


Prof. F Macedonio
Faculty of Engineering
Univ of Calabria, Italy


Prof. R Molinari
Dept of Chem Eng and Mater
Univ of Calabria, Italy


Prof. CN Murthy
Dept Appl Chem
Maharaja Sayajirao U of Baroda, India

Prof. AB Ribeiro
Dept of Sci and Environ Eng
New U of Lisbon, Portugal


Prof. B Van der Bruggen
Dept of Chemical Eng
K.U. Leuven, Belgium


Prof. C Visvanathan
Sch of Environ Resour Develop
Asian Inst of Tech, Thailand


Prof. XD Wang
Lab of Alter Electr Power Syst
Renew Energy Sources
North China Electric Power Univ, China


Prof. M Gryta
Inst of Chem Tech Environ Eng
W Pomeranian Univ of Tech,
Poland







Guide to Authors (Last updated: Oct 25, 2021)

1. Submission of the paper
Authors are asked to submit manuscripts in PDF (or Latex) format electronically through the Techno-Press Manuscript Upload System (TeMUS) (http://www.techno-press.com/papers). Exceptionally, the special issue papers may be directly submitted to the Guest Editor. If you have difficulties in using TeMUS, please contact us at[mwt@techno-press.com]. On receiving submitted papers, the system will issue the paper ID and Password to the corresponding author which may be conveniently used to check the status of submitted papers. Authors should carefully check if their paper satisfied all the requirements in the preliminary list before submission.

2. Preparation of the manuscript
General : The manuscripts should be in English and typed with double column and single line spacing on single side of A4 paper. Submitted papers will be published in the category of regular technical papers only. The first page of an article should contain: (1) a title of paper which well reflects the contents of the paper (Arial, 15pt), (2) all the name(s) and affiliations(s) of authors(s) (Arial, 11pt), (3) an abstract of 100~250 words (Times New Roman, 9.5pt), (4) 5-10 keywords following the abstract, and (5) footnote (personal title and email address of the corresponding author (required) and other authors' (not mandatory)). The paper should be concluded by proper conclusions which reflect the findings in the paper. The normal length of the technical paper should be about 8-16 journal pages (double column format). Authors are advised to read the details in the Authors' Guide for guide and Template.
Tables and figures : Tables and figures should be consecutively numbered and have short titles. They should be referred to in the text as following examples (e.g., Fig. 1(a), Figs. 1 and 2, Figs. 1(a)-(d) / Table 1, Tables 1-2), etc. Tables should have borders (1/2pt plane line) with the captions right before the table. Figures should be properly located in the text as an editable image file (.jpg) with captions on the lower cell. All of the original figures and tables are required to be placed at the suitable locations in the text.
Units and mathematical expressions : It is desirable that units of measurements and abbreviations should follow the System Internationale (SI) except where the other unit system is more suitable. The numbers identifying the displayed mathematical expression should be placed in the parentheses and referred to in the text as following examples (e.g., Eq. (1), Eqs. (1)-(2)). Mathematical expressions must be inserted as an object (set as Microsoft Equations 3.0) for Microsoft Word 2007 and after versions. Image-copied text or equations are not acceptable unless they are editable. The raised and lowered fonts cannot be used for superscription and subscription.
References : A list of references which reflect the current state of technology in the field locates after conclusions of the paper. For details to prepare the list of references and cite them in the text, authors are advised to follow the introduction and the sample list in the Authors' Guide.

3. Review
All the submitted papers that have passed the preliminary check by the editors will undergo a rigorous peer-review process to judge their significance and originality. Those papers positively recommended by at least two expert reviewers will be finally accepted for publication in the Techno-Press Journals or after any required modifications are made.

4. Proofs
Proofs will be sent to the corresponding author to correct any typesetting errors. Alterations to the original manuscript will not be accepted at this stage. Proofs should be returned within 48 hours of receipt.

5. Copyright
Submission of an article to a Techno-Press Journal implies that it presents the original and unpublished work, and not under consideration for publication elsewhere. On acceptance of the submitted manuscript, it is implied that the copyright thereof is transferred to Korean Society on Water Quality. The Agreement of Authorship, Originality, and Copyright Transfer must be signed and submitted.

6. Ethics
General: Techno-Press applies research and publication ethics standards based on COPE's International Standards for Editors and Authors (https://publicationethics.org/node/11184). Violation of publication ethics will result in the activation of COPE flow chart. (https://publicationethics.org/guidance/Flowcharts)
Authorship: Authors are encouraged to check ICMJE's guideline for authorship. (http://www.icmje.org/icmje-recommendations.pdf). Authorship problems will be dealt with according to COPE flowcharts. (https://publicationethics.org/authorship)
KSWQ Code of Ethics: Code of Ethics

7. Open Access
There is an option of publishing your paper as Open Access. When you receive a formal acceptance email, you will find a link that you may click on to pay the Article Processing Charge (APC) for Open Access publishing.


Sample Issues
Volume 3, Number 1, January 2012
  • Developments and future potentials of anaerobic membrane bioreactors (AnMBRs)
    Chettiyappan Visvanathan and Amila Abeynayaka
    Abstract; Full Text (1003K)

Abstract
The coupling of anaerobic biological process and membrane separation could provide excellent suspended solids removal and better biomass retention for wastewater treatment. This coupling improves the biological treatment process while allowing for the recovery of energy through biogas. This review gives a basic description of the anaerobic wastewater treatment process, summarizes the state of the art of anaerobic membrane bioreactors (AnMBRs), and describes the current research trends and needs for the development of AnMBRs. The research interest on AnMBR has grown over the conventional anaerobic processes such as upflow anaerobic sludge blanket (UASB). Studies on AnMBRs have developed different reactor configurations to enhance performances. The AnMBR performances have achieved comparable status to other high rate anaerobic reactors. AnMBR is highly suitable for application with thermophilic anaerobic process to enhance performances. Studies indicate that the applications of AnMBR are not only limited to the high strength industrial wastewater treatment, but also for the municipal wastewater treatment. In recent years, there is a significant progress in the membrane fouling studies, which is a major concern in AnMBR application.

Key Words
anaerobic membrane bioreactor; wastewater treatment; research development; membrane fouling; high rate; thermophilic process

Address
Environmental Engineering and Management Program, School of Environment, Resources and Development, Asian Institute of Technology, Thailand

  • New CPS-PPEES blend membranes for CaCl2 and NaCl rejection
    Chitrakar Hegde, Arun M Isloor, Mahesh Padaki, Ahmad Fauzi Ismail and Lau W.J
    Abstract; Full Text (2263K)

Abstract
Carboxylated polysulfone (CPS), poly (1,4-phenylene ether ethersulfone) (PPEES), membranes were prepared and used for the separation of NaCl and CaCl2, in efficient way with less energy consumption. In this work, nanofiltration and reverse osmosis membranes were employed to the salt rejection behavior of the different salt solutions. The influence of applied pressure (1-12 bar), on the membrane performance was assessed. In CM series of membranes, CM1 showed maximum of 97% water uptake and 36% water swelling, whereas, CM4 showed 75% water uptake and 28% water swelling. In RCM series, RCM1 showed 85% water uptake and 32% water swelling whereas, in RCM4 it was 68% for water uptake and 20% for water swelling. Conclusively reverse osmosis membranes gave better rejection whereas nanofiltration membrane showed enhanced flux. CM1 showed 58% of rejection with 12 L/(m2 h) flux and RCM1 showed 55% of rejection with 15 L/(m2 h) flux for 0.1 wt.% NaCl solution. Whereas, in 0.1 wt.% CaCl2 solution, membrane CM1 showed 78% of rejection with 12 L/(m2 h) flux and RCM1 showed 63% rejection with flux of 9 L/(m2 h).

Key Words
carboxylated polysulfone; NF; RO; synthesis; rejection

Address
Chitrakar Hegde : Department of Chemistry, Nitte Meenakshi Institute of Technology, Yelahanka, Bangalore-64, India Arun M Isloor, Mahesh Padaki : Membrane Technology Division, Department of Chemistry, National Institute of Technology-Karnataka, Surathkal, Mangalore 575 025, India Ahmad Fauzi Ismail and Lau W.J : Advanced Membrane Science & Technology Centre (AMTEC), Universiti Teknologi Malaysia, 81310 UTM, Skudai, Johor, Malaysia

  • A novel method of surface modification to polysulfone ultrafiltration membrane by preadsorption of citric acid or sodium bisulfite
    Xinyu Wei, Zhi Wang, Jixiao Wang and Shichang Wang
    Abstract; Full Text (836K)

Abstract
In membrane processes, various agents are used to enhance, protect, and recover membrane performance. Applying these agents in membrane modification could potentially be considered as a simple method to improve membrane performance without additional process. Citric acid (CI) and sodium bisulfite (SB) are two chemicals that are widely used in membrane feed water pretreatment and cleaning processes. In this work, preadsorptions of CI and SB were developed as simple methods for polysulfone ultrafiltration membrane modification. It was found that hydrogen bonding and Van Der Waals attraction could be responsible for the adsorptions of CI and SB onto membranes, respectively. After modification with CI or SB, the membrane surfaces became more hydrophilic. Membrane permeability improved when modified by SB while decreased a little when modified by CI. The modified membranes had an increase in PEG and BSA rejections and better antifouling properties with higher flux recovery ratios during filtration of a complex pharmaceutical wastewater. Moreover, membrane chlorine tolerance was elevated after modification with either agent, as shown by the mechanical property measurements.

Key Words
ultrafiltration; modification; citric acid; sodium bisulfite; membrane property

Address
Chemical Engineering Research Center, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China

  • Effects of ring number and baffled-ring distances on ultrafiltration in the tubular membrane inserted concentrically with a ring rod
    Ho-Ming Yeh, Chii-Dong Ho and Cha-Hsin Li
    Abstract; Full Text (716K)

Abstract
The permeate flux declination along an ultrafilter membrane is due mainly to the concentrationpolarization resistance increment and the decline in transmembrane pressure. It was found in previous works that the concentration polarization resistance could be reduced in a ring-rod tubular membrane ultrafilter using the turbulent behavior. In the present study, the performance was further improved by properly and gradually decreasing the baffled-ring distance along the cross-flow channel coupled with properly adjusting the number of baffled rings. This theoretical analysis is based on the mass and momentum balances as well as the application of the resistance-in-series model. The correlation predictions are confirmed with the experimental results for dextran T500 aqueous solution ultrafiltration.

Key Words
ultrafiltration; tubular membrane; ring-rod insert; baffled-ring distance; proper ring number

Address
Energy and Opto-Electronic Materials Research Center,Department of Chemical and Materials Engineering, Tamkang University, Tamsui, Taipei County251, Taiwan

  • Continuous ion-exchange membrane electrodialysis of mother liquid discharged from a salt-manufacturing plant and transport of Cl- ions and SO4 2- ions
    Yoshinobu Tanaka, Hazime Uchino and Masayoshi Murakami
    Abstract; Full Text (910K)

Abstract
The permeate flux declination along an ultrafilter membrane is due mainly to the concentrationpolarization resistance increment and the decline in transmembrane pressure. It was found in previous works that the concentration polarization resistance could be reduced in a ring-rod tubular membrane ultrafilter using the turbulent behavior. In the present study, the performance was further improved by properly and gradually decreasing the baffled-ring distance along the cross-flow channel coupled with properly adjusting the number of baffled rings. This theoretical analysis is based on the mass and momentum balances as well as the application of the resistance-in-series model. The correlation predictions are confirmed with the experimental results for dextran T500 aqueous solution ultrafiltration.

Key Words
ultrafiltration; tubular membrane; ring-rod insert; baffled-ring distance; proper ring number

Address
Yoshinobu Tanaka : IEM Research. 1-46-3 Kamiya, Ushiki-shi, Ibaraki 300-1216, Japan Hazime Uchino : Tokai University, College of Marine Science and Technology, 3-20-1 Orido, Shimizu-ku, Shizuoka-shi, Shizuoka 424-8610, Japan Masayoshi Murakami : Japan Fine Salt Co. Ltd., 3-3-3 Yako, Kawasaki-ku, Kawasaki-shi, Kanagawa 210-0863, Japan

Table of Contents.
       
 
  • 2024  Volume 15      No. 1      No.2    No.3    No.4
     
  • 2023  Volume 14      No. 1      No.2    No.3    No.4
     
  • 2022  Volume 13      No. 1      No.2    No.3    No.4    No.5    No.6
     
  • 2021  Volume 12      No. 1      No.2    No.3    No.4    No.5    No.6
     
  • 2020  Volume 11      No. 1      No.2    No.3    No.4    No.5    No.6
     
  • 2019  Volume 10      No. 1      No.2    No.3    No.4    No.5    No.6
     
  • 2018  Volume 9      No. 1      No.2    No.3    No.4    No.5    No.6
     
  • 2017  Volume 8      No. 1      No.2    No.3    No.4    No.5    No.6
     
  • 2016  Volume 7      No. 1      No.2    No.3    No.4    No.5    No.6
     
  • 2015  Volume 6      No. 1      No.2    No.3    No.4    No.5    No.6
     
  • 2014  Volume 5      No. 1      No.2    No.3    No.4
     
  • 2013  Volume 4      No. 1      No.2    No.3    No.4
     
  • 2012  Volume 3      No. 1      No.2    No.3    No.4
     
  • 2011  Volume 2      No. 1      No.2    No.3    No.4
     
  • 2010  Volume 1      No. 1      No.2    No.3    No.4
           
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