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- Water Treatment Equipment
Treatment SystemsThe Water Treatment Lab has the capability to build experimental and pilot scale testing systems and test a wide variety of water treatment processes. Membrane treatment systems can be tested at a range of scales, from small swatch tests up to 2.5” elements. Granular activated carbon (GAC) processes can be characterized using rapid small scale column tests (RSSCTs), and ion exchange treatment and regeneration processes can be tested using pilot scale columns. |
 Water Treatment Laboratory |
| Treatment Systems | Description | |
| Experimental Membrane Testing Unit | Membranes: 3” x 1” flat sheet, up to 9 test cells in series Typical Operation: 3 L/min @ 400 psi Purpose: Characterization of membrane transport properties |
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| Membrane Element Testing Unit | Membranes: 2.5” Spiral Elements Typical Operation: 6 L/min @ 400 psi Data collection integrated with Labview Purpose: Laboratory testing of spiral wound reverse osmosis (RO) and nanofiltration (NF) membranes, fouling and cleaning studies |
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| Membrane Swatch Testing Unit | Membranes: 6” x 3.75” flat sheet, up to 4 elements Typical Operation: 1 L/min @ 400 psi Data collection integrated with Labview Purpose: RO, NF, and forward osmosis (FO) membrane characterization, fouling and cleaning experiments. |  |
| Granular Activated Carbon (GAC) Rapid Small Scale Column Testing (RSSCT) | Media: Granular Activated Carbon Purpose: Organic carbon, micropollutant and taste/odor compound removal |  |
| Ion Exchange Column Tests | Column: 2” diameter x 5” height Media: ion exchange resin Purpose: Nitrate, organic carbon, trace metal (e.g., chromium) removal |  |
Analytical CapabilitiesThe Water Treatment Lab can characterize water samples for a range of water quality parameters including alkalinity, pH, free chlorine, absorbance and many HACH® methods. |
 Water Treatment Laboratory |
| Instrument | Specifications | Analyses |
| Genesys® 20 Spectrophotometer | Wavelength range: 325-1100 nm Cell: 1 cm cuvette |
Sample absorbance/transmittance |
| Hach® DR2500 Spectrophotometer | Wavelength range; 365 - 880 nm | Sample absorbance/transmittance Hach colorimetric analyses |
| RealTech UV254 P200 photometer | Wavelength: 254 nm | Absorbance at 254 nm for organic matter characterization |
| Hach 2100 Turbidimeter | Turbidity in nephelometric units (NTU) | |
| Hach Digital Titrator | Titration methods | Alkalinity, Hardness by EDTA titration, Chromate |
| Hach Pocket Colorimeter | Range: 0.02 to 2.00 mg/L Cl2 or 0.1 to 8.0 mg/L Cl2 | Free chlorine by DPD method |
| Other Basic Wet Chemistry | pH, conductivity, ORP, temperature, free chlorine |
