Effect of electron acceptors on electricity production and desalination of Caspian Sea water using microbial desalination cells
Year of publication
2024
Authors
Zazouli Mohammad Ali;; Zahedi Atefeh; Rodríguez Susana; Hashempour Yalda
Abstract
The Microbial Desalination Cell (MDC) stands out as an innovative and a sustainable technology for both renewable energy generation and water treatment. The choice of electron acceptor significantly influences the efficiency of electricity flow. This study focuses on exploring the MDC performance under different conditions, including variations in cathode electron acceptors, initial pH levels, and hydraulic retention time (HRT). The investigation assesses simultaneous reduction of TDS and power generation from Caspian Sea water, a prominent saline water source in northern Iran, in both open-circuit (OC) and closed-circuit (CC) modes. The findings reveal that sodium hypochlorite, potassium permanganate, and potassium bromate as catholyte achieved TDS reduction rates of 84%, 77%, and 72%, respectively, under CC conditions at pH 5. Furthermore, it was observed that increasing HRT and pH levels lead to a decrease in desalination efficiency and power generation. Notably, the study highlights that the maximum power density was attained using permanganate, hypochlorite, and bromate as catholyte in both OC and CC configurations. By showcasing the adaptability of MDC performance with different cathode electron acceptors under varying conditions, this research offers valuable insights for optimizing MDC efficiency when treating real saline water sources.
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Publication type
Publication format
Article
Parent publication type
Journal
Article type
Original article
Audience
ScientificPeer-reviewed
Peer-ReviewedMINEDU's publication type classification code
A1 Journal article (refereed), original researchPublication channel information
ISSN
Publication forum
Publication forum level
1
Open access
Open access in the publisher’s service
No
Open access of publication channel
Partially open publication channel
Self-archived
No
Other information
Fields of science
Chemical engineering
Keywords
[object Object],[object Object],[object Object]
Internationality of the publisher
International
International co-publication
Yes
Co-publication with a company
No
DOI
10.1080/09603123.2024.2387153
The publication is included in the Ministry of Education and Culture’s Publication data collection
Yes