Simultaneous organics, sulphate and salt removal in a microbial desalination cell with an insight into microbial communities

Tahereh Jafary, Wan Ramli Wan Daud, Saad A. Aljlil, Ahmad Fauzi Ismail, Abdullah Al-Mamun, Mahad S. Baawain, Mostafa Ghasemi

Research output: Contribution to journalArticle

Abstract

Microbial desalination cells (MDCs) are known among the bioelectrochemical systems for their green and cost-effective application in salt removal. However, the low efficiency of desalination compared to other chemical and membrane-based methods still holding this technology in laboratory and requiring further research and development (R&D) to establish actual plants. This study focused on integrating different applicable functions in one setup to promote applying MDCs in actual scale. In this research, the behavior of the MDC upon applying different salt concentrations in the desalination chamber was studied. Moreover, salt, sulphate and organic matter removal in acetate and sulphate-fed MDCs (A.MDC and S.MDC) were investigated. 10, 20 and 35 g/l of salt were successfully removed by using MDC technology. Sulphate removal of 72% was achieved within the S.MDC setup while similar current productions were observed in both A.MDC and S.MDC. Higher COD removal (88%) was recorded in S.MDC compared to 65% in A.MDC. Furthermore, the microbial communities were characterized and Rubrivivax was identified as the dominant genus in A.MDC while Desulfobulbus, Geobacter and Desulfovibrio were the most abundant genera in S.MDC setup.

Original languageEnglish
Pages (from-to)204-212
Number of pages9
JournalDesalination
Volume445
DOIs
Publication statusPublished - Nov 1 2018

Fingerprint

Sulfuric Acid Esters
Salt removal
Desalination
desalination
microbial community
sulfate
salt
removal
Sulfates
Salts

Keywords

  • Desalination
  • Microbial community
  • Microbial desalination cell
  • Organic matter removal
  • Sulphate removal

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Science(all)
  • Water Science and Technology
  • Mechanical Engineering

Cite this

Simultaneous organics, sulphate and salt removal in a microbial desalination cell with an insight into microbial communities. / Jafary, Tahereh; Daud, Wan Ramli Wan; Aljlil, Saad A.; Ismail, Ahmad Fauzi; Al-Mamun, Abdullah; Baawain, Mahad S.; Ghasemi, Mostafa.

In: Desalination, Vol. 445, 01.11.2018, p. 204-212.

Research output: Contribution to journalArticle

Jafary, Tahereh ; Daud, Wan Ramli Wan ; Aljlil, Saad A. ; Ismail, Ahmad Fauzi ; Al-Mamun, Abdullah ; Baawain, Mahad S. ; Ghasemi, Mostafa. / Simultaneous organics, sulphate and salt removal in a microbial desalination cell with an insight into microbial communities. In: Desalination. 2018 ; Vol. 445. pp. 204-212.
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