ZGD890 Macroporous Strong Base Anion Exchanger

Description

PRODUCT DESCRIPTION ZGD890

ZGD890 is a high-capacity, strongly basic anion exchange resin supplied in chloride form as wet, strong, uniform, spherical beads with high selectivity for nitrates over sulfates and other ions. It is used to remove nitrates and nitrites from tap and drinking water with good selectivity for nitrate ions.

PHYSICAL AND CHEMICAL PROPERTIES

Appearance		Transparent spherical granules
Structure of the polymer matrix		Cross-linked styrene – DVB
Type		Macroporous strongly basic
Functional group		RN-P3+X-
Ionic form		Chloride
Humidity %		50-60
Volumetric capacity mmol/ml		0.9
Shipping weight g/ml		0.66-0.72
Density	g/ml	1.06-1.10

Particle size range

ZGD890

0.315 – 1.25 mm

50 – 16 ovens

RECOMMENDED OPERATING CONDITIONS

pH range	1 – 14
High temperature C	170
Total capacity mmol/L	≥ 1000
Flushing speed	50 to 75 percent layer expansion
Regenerate level	2 to 15 lb/ft3
Regenerate concentration %	2-10
Regenerate flow rate	0.25 to 1.0 gpm/ft3
Regenerate contact time min	30 minutes
Fast flush volume	35 to 60 gal/ft3

Flushing flow rate m/h	The same as the regenerate flow rate
Flow rate in operation	2 to 4 gpm/ft3

ZGD890 Macroporous Strong Base Anion Exchanger

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