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Purolite A520E (Nitrate Selective Resin)

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Purolite A520E (Nitrate Selective Resin)
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Purolite A520E (Nitrate Selective Resin)
PART NO. 6-0802021119
List Price: €528.11

 

Purolite A520E
Polystyrenic Macroporous, Type I Strong Base Anion Resin, Chloride form, Potable Water Grade

 

PRINCIPAL APPLICATIONS-Nitrate Removal

 

REGULATORY APPROVALS
French Health Ministry Approval for Potable Water Treatment
Kosher Certified
Certified by the WQA to NSF/ANSI-61 Standard
Drinking Water Inspectorate Approved for Use in Public Water Supply in the UK
Water Regulations Advisory Scheme Approved

 

TYPICAL PHYSICAL & CHEMICAL CHARACTERISTICS:
Polymer Structure-Macroporous polystyrene crosslinked with divinylbenzene
Appearance-Spherical Beads
Functional Group-Type I Quaternary Ammonium
Ionic Form-Cl form 

Total Capacity-0.9 eq/L (19.7 Kgr/ft³) (Cl form) 
Moisture Retention-50 - 56 % (Cl form) -
Particle Size Range-300 - 1200 µm
< 300 µm(max.)-1 %
Uniformity Coefficient (max.)-1.7
Specific Gravit- 1.07
Shipping Weight (approx.)-675 - 705 g/L (42.2 - 44.1 lb/ft³)
Temperature Limit-100 °C (212.0 °F) (Cl form)

Hydraulic Characteristics

PRESSURE DROP

The pressure drop across a bed of ion exchange resin depends on the particle size distribution, bed depth, and voids volume of the exchange material, as well as on the flow rate and viscosity of the influent solution. Factors affecting any of these parameters— such as the presence of particulate matter filtered out by the bed, abnormal compressibility of the resin, or the incomplete classification of the bed—will have an adverse effect, and result in an increased head loss. Depending on the quality of the influent water, the application and the design of the plant, service flow rates may vary from 10 to 40 BV/h.

PRESSURE DROP ACROSS RESIN BED

BACKWASH

During up-flow backwash, the resin bed should be expanded in volume between 50 and 70% for at least 10 to 15 minutes. This operation will free particulate matter, clear the bed of bubbles and voids, and reclassify the resin particles ensuring minimum resistance to flow. When first putting into service, approximately 30 minutes of expansion is usually sufficient to properly classify the bed. It is important to note that bed expansion increases with flow rate and decreases with influent fluid temperature. Caution must be taken to avoid loss of resin through the top of the vessel by over expansion of the bed.

BACKWASH EXPANSION OF RESIN BED

OEM Item080202119



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