DAI Products

Dyna-Aqua^TM Uranium

An effective, hybrid, alumina based metal oxide designed specifically for heavy metal removal from water and wastewater.

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Produced with DAI's unique, patented technology, Dyna-Aqua^TM Uranium results in a material with superior performance and capacities - exhibiting high selectivity in the presence of competing ions with good kinetics over a broad operating range.  Designed and manufactured to address the pressing needs outlined by the Federal Statutes monitored by the Office of Environmental Management, Department of Energy, Dyna-Aqua^TM Uranium provides a more efficient means to remove effluent from groundwater and surface water at radioactive environmental waste sites.

Dyna-Aqua^TM Uranium is a metal oxide composite with an effective size of greater than 600 microns, offered as either granular or spherical granules. Because of its tailored design it exhibits high selectivity in the presence of competing ions with good kinetics over a broad operating range. Dyna-Aqua^TM Uranium can be easily retrofitted into conventional water treatment equipment or vessels.

Applications include a wide array of industrial, environmental, and commercial applications for removing inorganic contaminants in groundwater and surface waters. DAI’s Dyna-Aqua^TM Uranium can be utilized or retrofitted easily into conventional water treatment equipment or vessels. Regeneration options are available based on the application.

The cleanup of uranium enrichment sites includes the following:

1. Groundwater – billions of gallons of groundwater are contaminated with radioactive and hazardous materials

2. Surface water – a principal source of this contamination is rain runoff from the thousands of tons of contaminated scrap metal located at each of the enrichment sites

3. Surface soils – both on and off site soils and sediments are contaminated by water runoff, spills and buried waste

4. Legacy waste

5. DOE material storage areas

6. Burial grounds – containing barrels of chemicals with low levels of radioactivity and hazardous chemicals

Technical Specs

Properties
Matrix	Metal Oxide Composite
Physical Form	Granular or spherical particles
Particle Size Distribution	300-850 microns (typical, application dependent)
Mesh (ASTM)	20 x 50, 12 x 28, 28 x 48 (others available)
Effective Size	> 600 microns
Uniformity Coefficient	< 1.6
Total Capacity	Range from 2-20 g / kg media
Apparent Bulk Density	46 - 50 lbs / ft3
Porosity	> 65 %
Crush Strength	15 lbs
Loss on Ignition (LOI)	2 – 10% @ 300oC
BET Surface Area	220 - 280 m2 / gram
Suggested Operating Conditions
Maximum Media Operating Temperature	800oF
Recommended pH Range	6-8 recommended
Bed Depth (Min)	30 Inches
Empty Bed Contact Time	5 – 15 minutes typical
Service Flow Rates	0.5 - 1.5 gpm / ft3
Service Flow Velocity	4 – 10 gpm / ft2
Regenerant Flow Rates	0.5 – 1.5 gpm / ft3
Backwash Flow Rate (application dependent)	4 – 12 gpm / ft2
Pressure Drop @ 15oC	0.1 - 0.5 psi / ft bed

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