Uran i dricksvatten – reningsmetoder i praktiken - Svenskt Vatten

Bilaga D
Varuinformationsblad Dowex 1
Product Information
DOWEX 1
High Capacity Strong Base Anion Exchange Resin for Regenerable and Non-Regenerable
Applications
Features • Selective removal of uranium, perchlorate, hexavalent chrome and iodine.
• Non-selective removal of common anions such as nitrate, sulfate and chloride.
• NSF/ANSI 61 approved for drinking water.
Product Type Matrix Functional group
DOWEX 1 Type I strong base anion Styrene-DVB, gel Quaternary amine
Guaranteed Sales Specifications
Cl - form
Total exchange capacity, min.
eq/L
kgr/ft 3 as CaCO3
1.4
30.6
Water content % 43 - 48
Bead size distribution †
> 1,200 µm, max. (16 mesh)
< 300 µm mm, max. (50 mesh)
%
%
2
1
Whole uncracked beads, min. % 90
Crush strength
Average, min. g/bead 350
Typical Physical and Chemical Properties
Cl - form
Particle density g/mL 1.10
Shipping weight
g/L
lbs/ft 3 705
44
Recommended
Operating
Conditions
• Maximum operating temperature:
OH - form
Cl - form
• pH range
• Bed depth, min.
• Service flow rate
• Non-selective nitrate service regenerant:
Type
Temperature
60°C (140°F)
100°C (212°F)
0 - 14
450 mm (1.5 ft)
15 - 20 BV/hr
7 - 10% NaCl
Ambient or up to 50°C (122°F)
† For additional particle size information, please refer to Particle Size Distribution Cross Reference Chart (Form No. 177-01775)
Page 1 of 2 ® Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow Form No. 177-01644-0906
32