Removal of nitrate by electrodialysis: effect of operation parameters

Park, Ki Young; Young, Ho; Chantrasakdakul, Phrompol; Lee, Kwanyong; Kweon, Ji Hyang; Bae, Sungjun

doi:10.12989/mwt.2017.8.2.201

Cited by 8 publications

(2 citation statements)

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“…Although many industrial effluents can be successfully treated with electrodialysis, the wastewater produced in metal-finishing processes can be highlighted as the most illustrative example. These wastewaters contain high concentrations of heavy metals, such as copper, nickel, zinc, chromium, or silver [91][92][93], which can be recovered. In fact, the metal removal percentage from synthetic wastewater solutions via electrodialysis can obtain values above 99% when optimal conditions are applied [94], although the complex composition of real wastewater streams implied lower metal removal percentages [95].…”

Section: Electrodialysismentioning

confidence: 99%

Innovative Membrane Technologies for the Treatment of Wastewater Polluted with Heavy Metals: Perspective of the Potential of Electrodialysis, Membrane Distillation, and Forward Osmosis from a Bibliometric Analysis

Carmona

Abejón

2023

Membranes

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A bibliometric analysis, using the Scopus database as a source, was carried out in order to study the scientific documents published up to 2021 regarding the use of electrodialysis, membrane distillation, and forward osmosis for the removal of heavy metals from wastewater. A total of 362 documents that fulfilled the search criteria were found, and the results from the corresponding analysis revealed that the number of documents greatly increased after the year 2010, although the first document was published in 1956. The exponential evolution of the scientific production related to these innovative membrane technologies confirmed an increasing interest from the scientific community. The most prolific country was Denmark, which contributed 19.3% of the published documents, followed by the two main current scientific superpowers: China and the USA (with 17.4% and 7.5% contributions, respectively). Environmental Science was the most common subject (55.0% of contributions), followed by Chemical Engineering (37.3% of contributions) and Chemistry (36.5% of contribution). The prevalence of electrodialysis over the other two technologies was clear in terms of relative frequency of the keywords. An analysis of the main hot topics identified the main advantages and drawbacks of each technology, and revealed that examples of their successful implementation beyond the lab scale are still scarce. Therefore, complete techno-economic evaluation of the treatment of wastewater polluted with heavy metals via these innovative membrane technologies must be encouraged.

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Section: Electrodialysismentioning

confidence: 99%

Innovative Membrane Technologies for the Treatment of Wastewater Polluted with Heavy Metals: Perspective of the Potential of Electrodialysis, Membrane Distillation, and Forward Osmosis from a Bibliometric Analysis

Carmona

Abejón

2023

Membranes

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“…A rectangular batch reactor (90 × 120 × 170 cm 3 ) ( Fig. S2) was used for the removal and recovery of Cu in synthetic wastewater in this study [18]. A commercial stainless steel (SUS 304) and Ti/Ir-Ru electrodes developed in this study were used as a cathode and anode (10 × 7 × 0.04 cm 3 ), respectively.…”

Section: Electrowinning Of Coppermentioning

confidence: 99%

Fabrication of Ti/Ir-Ru electrode by spin coating method for electrochemical removal of copper

Kim

Bae

2019

Environmental Engineering Research

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Recovery of valuable metals in the industrial wastewater and sludge has attracted an attention owing to limited metallic resources in the earth. In this study, we firstly fabricated Ti/Ir-Ru electrodes by spin coating technique for effective recovery of Cu in electrowinning process. Two different Ti/Ir-Ru electrodes were fabricated using 100 and 500 mM of precursors (i.e., Ir-Ru). SEM-EDX and AFM revealed that Ir and Ru were homogenously distributed on the surface of Ti plate by the spin coating, in particular the electrode prepared by 500 mM showed distinct boundary line between Ir-Ru layer and Ti substrate. XRD, XPS, and cyclic voltammetry also revealed that characteristics of IrO2, RuO2, and TiO2 and its electrocatalytic property increased as the concentration of coating precursor increased. Finally, we carried out Cu recovery experiments using two Ti/Ir-Ru as anodes in electrowinning process, showing that both anodes showed a complete removal of Cu (1 and 10 g/L) within 6 h reaction, but much higher kinetic rate constant was obtained by the anode prepared by 500 mM. The findings in this study can provide a fundamental knowledge for surface characteristics of Ti/Ir-Ru electrode prepared by spin coating method and its potential feasibility for effective electrowinning process.

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Development of an electrodeionization and electrodialysis process for the removal of nitrate from drinking water

Jafari Araslou,

Jafarian,

Haji Seyed Mohammad Shirazi

et al. 2023

Int. J. Environ. Sci. Technol.

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Removal of nitrate by electrodialysis: effect of operation parameters

Cited by 8 publications

References 0 publications

Innovative Membrane Technologies for the Treatment of Wastewater Polluted with Heavy Metals: Perspective of the Potential of Electrodialysis, Membrane Distillation, and Forward Osmosis from a Bibliometric Analysis

Innovative Membrane Technologies for the Treatment of Wastewater Polluted with Heavy Metals: Perspective of the Potential of Electrodialysis, Membrane Distillation, and Forward Osmosis from a Bibliometric Analysis

Fabrication of Ti/Ir-Ru electrode by spin coating method for electrochemical removal of copper

Development of an electrodeionization and electrodialysis process for the removal of nitrate from drinking water

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