Selectrodialysis with bipolar membrane for the reclamation of concentrated brine from RO plant

Chen, Binglun; Jiang, Chenxiao; Wang, Yaoming; Fu, Rongqiang; Liu, Zhaoming; Xu, Tongwen

doi:10.1016/j.desal.2018.04.031

Cited by 87 publications

(39 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The final salt water was still at high concentration (~50 g/L) and could return to RO. Reproduced with permission from [531], published by Elsevier, 2018.…”

Section: Wwro Brine and IX Spent Brinementioning

confidence: 99%

“…BMED equipped with MVMs (bipolar membrane selectrodialysis, BMSED) was used with SWRO model brines at 70 or 105 g/L [ 531 ] ( Figure 32 ). The process, which used commercial membranes, was highly selective (

= 3.6–10.6,

= 31.0–67.5) and thus produced high purity (approaching 99.99%) HCl and NaOH solutions at concentration up to 1.9 and 2.2 M, respectively.…”

Section: Waste Brine From Desalination or Ion Exchangementioning

confidence: 99%

See 1 more Smart Citation

Electrodialysis Applications in Wastewater Treatment for Environmental Protection and Resources Recovery: A Systematic Review on Progress and Perspectives

et al. 2020

View full text Add to dashboard Cite

This paper presents a comprehensive review of studies on electrodialysis (ED) applications in wastewater treatment, outlining the current status and the future prospect. ED is a membrane process of separation under the action of an electric field, where ions are selectively transported across ion-exchange membranes. ED of both conventional or unconventional fashion has been tested to treat several waste or spent aqueous solutions, including effluents from various industrial processes, municipal wastewater or salt water treatment plants, and animal farms. Properties such as selectivity, high separation efficiency, and chemical-free treatment make ED methods adequate for desalination and other treatments with significant environmental benefits. ED technologies can be used in operations of concentration, dilution, desalination, regeneration, and valorisation to reclaim wastewater and recover water and/or other products, e.g., heavy metal ions, salts, acids/bases, nutrients, and organics, or electrical energy. Intense research activity has been directed towards developing enhanced or novel systems, showing that zero or minimal liquid discharge approaches can be techno-economically affordable and competitive. Despite few real plants having been installed, recent developments are opening new routes for the large-scale use of ED techniques in a plethora of treatment processes for wastewater.

show abstract

“…The final salt water was still at high concentration (~50 g/L) and could return to RO. Reproduced with permission from [531], published by Elsevier, 2018.…”

Section: Wwro Brine and IX Spent Brinementioning

confidence: 99%

= 3.6–10.6,

= 31.0–67.5) and thus produced high purity (approaching 99.99%) HCl and NaOH solutions at concentration up to 1.9 and 2.2 M, respectively.…”

Section: Waste Brine From Desalination or Ion Exchangementioning

confidence: 99%

Electrodialysis Applications in Wastewater Treatment for Environmental Protection and Resources Recovery: A Systematic Review on Progress and Perspectives

et al. 2020

View full text Add to dashboard Cite

show abstract

“…In order to prevent membrane scaling from calcium and magnesium ions, some researchers have proposed the use of monovalent‐selective membranes in ED, in which the CEMs are coated with a polymer (e.g., polyaniline) that rejects divalent cations . Another solution that has been shown to be successful is the internal integration of SED with BMED, in which the BMED system contains monovalent‐selective ion‐exchange membranes . The novel system produced NaOH and HCl with greater than 99 % purity.…”

Section: Membrane‐based Pretreatment Processes For Brine Valorizationmentioning

confidence: 99%

Integrated Valorization of Desalination Brine through NaOH Recovery: Opportunities and Challenges

et al. 2019

View full text Add to dashboard Cite

The rising use of seawater desalination for fresh water production is driving a parallel rise in the discharge of high‐salinity brine into the ocean. Better utilization of this brine would have a positive impact on the energy use, cost, and environmental footprint of desalination. Furthermore, intermittent renewable energy can easily power the brine utilization and, for reverse osmosis technology, the entire desalination plant. One pathway toward these goals is to convert the otherwise discharged brine into useful chemicals; waste could be transformed into sodium hydroxide or caustic soda (NaOH) and hydrochloric acid (HCl). In this Minireview, we discuss opportunities and challenges for integrated valorization of desalination brine through NaOH and HCl recovery.

show abstract

“…NF and SED both remove multivalent ions,b ut they do not concentrate the brine stream, so the resulting monovalent-rich stream is less able to produce concentrated acids and bases.C onversely, since ED pretreatment can concentrate NaCl up to 200 gL À1 , the BMED system can produce NaOH and HCl at higher concentrations (approximately 2 m). [51] Then ovel system produced NaOH and HCl with greater than 99 %p urity. [50] Another solution that has been shown to be successful is the internal integration of SED with BMED,inwhich the BMED system contains monovalent-selective ion-exchange membranes.…”

Section: Bipolar Membrane Electrodialysismentioning

confidence: 99%

“…[50] Another solution that has been shown to be successful is the internal integration of SED with BMED,inwhich the BMED system contains monovalent-selective ion-exchange membranes. [51] Then ovel system produced NaOH and HCl with greater than 99 %p urity.…”

Section: Bipolar Membrane Electrodialysismentioning

confidence: 99%

Integrated Valorization of Desalination Brine through NaOH Recovery: Opportunities and Challenges

et al. 2019

View full text Add to dashboard Cite

show abstract

Selectrodialysis with bipolar membrane for the reclamation of concentrated brine from RO plant

Cited by 87 publications

References 30 publications

Electrodialysis Applications in Wastewater Treatment for Environmental Protection and Resources Recovery: A Systematic Review on Progress and Perspectives

Electrodialysis Applications in Wastewater Treatment for Environmental Protection and Resources Recovery: A Systematic Review on Progress and Perspectives

Integrated Valorization of Desalination Brine through NaOH Recovery: Opportunities and Challenges

Integrated Valorization of Desalination Brine through NaOH Recovery: Opportunities and Challenges

Contact Info

Product

Resources

About