Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Dialysis01:15

Dialysis

2.1K
Dialysis is a diffusion-based purification process that separates analyte molecules from a complex matrix. This is accomplished by allowing molecules in the solution to pass through a semipermeable membrane into a liquid on the other side. The membrane is usually made of cellulose acetate or cellulose nitrate, and the second liquid must be miscible with the solution. Ions (e.g., chloride or sodium) or organic molecules (e.g., glucose) can pass through the membrane pores, which generally have...
2.1K
Controlled-Current Coulometry: Overview01:27

Controlled-Current Coulometry: Overview

875
Controlled current coulometry, also known as amperostatic coulometry, is a technique used in electrochemical analysis to measure the quantity of a substance through the controlled passage of current. It involves the application of a constant current to an electrochemical cell containing the analyte of interest. As the current flows through the cell, the analyte undergoes a redox reaction at the electrode surface, resulting in a charge transfer. By monitoring the time required for a certain...
875
Ion Exchange01:17

Ion Exchange

1.6K
Ion exchange chromatography separates charged molecules from a solution by reversibly exchanging them with mobile, or 'active', ions associated with the oppositely charged stationary phase. This method can be used to separate ions, soften and deionize water, and purify solutions. The polymers comprising the ion-exchange column are high-molecular-weight and chemically stable polymers, crosslinked to be porous and essentially insoluble. They are also functionalized with either acidic or...
1.6K
Peritoneal Dialysis I: Introduction and Procedure01:30

Peritoneal Dialysis I: Introduction and Procedure

8.3K
Peritoneal dialysis (PD) is a procedure that facilitates the exchange of solutes, waste products, electrolytes, and excess fluid between the blood in the peritoneal capillaries and a dialysis solution introduced into the peritoneal cavity.Principles of Peritoneal Dialysis (PD)Diffusion: Waste products such as urea and electrolytes move from high concentrations in the blood to low concentrations in the dialysate across the peritoneal membrane. This mechanism is driven by the concentration...
8.3K
Ion-Exchange Chromatography01:09

Ion-Exchange Chromatography

2.9K
Ion-exchange chromatography, or IEC, is a technique for separating ions based on their affinity for the stationary phase. The stationary phase is a cross-linked polymer resin with covalently attached ionic functional groups. The functional groups can be either positively charged (cation exchangers) or negatively charged (anion exchangers). A cation exchanger consists of a polymeric anion and active cations, while an anion exchanger is a polymeric cation with active anions. The choice of...
2.9K
Controlled-Potential Coulometry: Electrolytic Methods01:17

Controlled-Potential Coulometry: Electrolytic Methods

896
Controlled-potential coulometry, also known as potentiostatic coulometry, employs a three-electrode system in which the working electrode's potential is precisely regulated using a potentiostat. Platinum working electrodes are utilized for positive potentials, while mercury pool electrodes are favored for extremely negative potentials. The platinum counter electrode is separated from the analyte using a membrane or salt bridge to avoid interference in the analysis.
The chosen potential...
896

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Low frequency of MLLT10 risk SNPs in Korean meningiomas: an exploratory analysis highlighting population-specific differences.

The Malaysian journal of pathology·2026
Same author

Single-Cell Analysis of Fibroblast Subpopulations in Skin and Oral Mucosa.

Journal of dental research·2025
Same author

Peripheral T- and natural killer-cell lymphomas: ESMO-EHA Clinical Practice Guideline for diagnosis, treatment and follow-up.

Annals of oncology : official journal of the European Society for Medical Oncology·2025
Same author

Phase I dose escalation and expansion study of golidocitinib, a highly selective JAK1 inhibitor, in relapsed or refractory peripheral T-cell lymphomas.

Annals of oncology : official journal of the European Society for Medical Oncology·2023
Same author

Search for Subsolar-Mass Binaries in the First Half of Advanced LIGO's and Advanced Virgo's Third Observing Run.

Physical review letters·2022
Same author

The ECHELON-2 Trial: 5-year results of a randomized, phase III study of brentuximab vedotin with chemotherapy for CD30-positive peripheral T-cell lymphoma.

Annals of oncology : official journal of the European Society for Medical Oncology·2021

Related Experiment Video

Updated: Apr 25, 2026

Ion-Exchange Membranes for the Fabrication of Reverse Electrodialysis Device
07:55

Ion-Exchange Membranes for the Fabrication of Reverse Electrodialysis Device

Published on: July 20, 2021

10.6K

Integrating reverse electrodialysis with constant current operating capacitive deionization.

Y A C Jande1, W S Kim2

  • 1Department of Mechanical Engineering, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan Kyeonggi-do 426-791, Republic of Korea; Department of Materials Science and Engineering, Nelson Mandela African Institution of Science and Technology, Arusha, Tanzania.

Journal of Environmental Management
|August 24, 2014
PubMed
Summary
This summary is machine-generated.

This study combines reverse electrodialysis (RED) with capacitive deionization (CDI) to simultaneously produce ultrapure water and electricity. This novel approach also minimizes brine concentration from CDI, offering an environmentally friendly solution.

Keywords:
Capacitive deionizationPower densityReverse electrodialysisUltrapure water

More Related Videos

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
08:06

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone

Published on: February 23, 2017

7.9K
AC Electrokinetic Phenomena Generated by Microelectrode Structures
20:38

AC Electrokinetic Phenomena Generated by Microelectrode Structures

Published on: July 28, 2008

10.8K

Related Experiment Videos

Last Updated: Apr 25, 2026

Ion-Exchange Membranes for the Fabrication of Reverse Electrodialysis Device
07:55

Ion-Exchange Membranes for the Fabrication of Reverse Electrodialysis Device

Published on: July 20, 2021

10.6K
Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone
08:06

Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone

Published on: February 23, 2017

7.9K
AC Electrokinetic Phenomena Generated by Microelectrode Structures
20:38

AC Electrokinetic Phenomena Generated by Microelectrode Structures

Published on: July 28, 2008

10.8K

Area of Science:

  • Environmental Science
  • Electrochemistry
  • Water Treatment Technologies

Background:

  • Salinity gradients can generate electricity through reverse electrodialysis (RED) or forward osmosis.
  • Capacitive deionization (CDI) is a water desalination technology that produces high-purity water but generates concentrated brine.
  • Environmental concerns exist regarding the disposal of CDI brine.

Purpose of the Study:

  • To investigate the simultaneous generation of ultrapure water and electricity using a coupled RED-CDI system.
  • To evaluate the potential of RED to minimize the salinity of brine produced by CDI.
  • To explore a novel approach for sustainable water treatment and energy generation.

Main Methods:

  • A CDI cell was operated at constant current to produce ultrapure water and two saline streams.
  • The generated saline streams were used as feed for a reverse electrodialysis (RED) stack.
  • Simulations were performed to determine the power output of the RED system.

Main Results:

  • The coupled RED-CDI system successfully generated ultrapure water and electricity simultaneously.
  • The CDI process produced a low-salinity stream (17.4 mol NaCl/m³) and a high-salinity stream (512.8 mol NaCl/m³).
  • Simulations indicated a potential power generation of 0.57 W/m² from the RED stack with idealized electrodes.

Conclusions:

  • Coupling RED with CDI offers a promising method for simultaneous freshwater and electricity production.
  • Integrating RED into CDI processes can effectively reduce brine concentration, mitigating environmental disposal issues.
  • This integrated system presents a sustainable approach to water desalination and energy recovery.