Cyclic Voltammeter Scans—Electrically Regenerated Ion-Exchange (ERI) Technology: Leveraging Faradaic Reactions and Assessing the Effect of Co-Ion Sorption
Description
This is the raw data used in two cyclic voltammetry scans on the "treating brackish drinking" water project described below:
To build an affordable solution for large volume, agricultural applications, we are developing a technology that relies on industrial-scale, inexpensive, and non-toxic materials known as ion-exchange resins (IERs). IERs are widely used for water- softening and require regular chemical regeneration using corrosive chemicals. Instead, in this innovation, the IER are embedded in conductive-composite electrodes and electrically regenerated—a method free of chemical input. This new method is referred to as electrically regenerated ion-exchange (ERI) technology. Besides the reduced cost, the composite electrodes used in ERI also allow for unique operational modes: salt capture without any energy input and salt rejection with minimal energy input. ERI technology has been successfully demonstrated in the lab using a prototype unit and is well positioned to treat a wide variety of influent water salinities and flow rates. The current ERI prototype has 100 centimeters squared (cm2) electrode area and an output flow rate of 10 milliliters per minute (mL/min) for feedwater salinities for just 100 parts per million (ppm) of sodium chloride (NaCl). The ability of the system to treat higher salinity feedwaters, similar to those encountered in the field, and to have higher output flow rates are both tied to the electrode area—modular design that allows for easy scalability.
Resources
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Description |
Link |
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21 |
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https://osf.io/ehras/ |
Tags
- ier
- cyclic-voltammetry
- eri
- drinking-water
- ion-exchange-resins
- water-and-sanitation
- technology