AMMONIUM NITRATE GRANULATOR DRYER EXIT

SYNOPSIS - An Ammonium Nitrate Granulator Dryer emission of contaminants was to be reduced. An innovative gas scrubbing system design was used for appx. 65,000 Nm3/hr.
The removal efficiency of Ammonium Nitrate and of Ammonia were below the required 10mg/Nm3, with minimum pressure loss.

INTRODUCTION - A Granulated Ammonium Nitrate producer

DESCRIPTION - Combined Total Air Flow : 64,000 m³/Hr from the Granulator Dryer section. Comprising a flow of 17,000 to 25,000 m³/Hr per each of 2 Scrubber units and a flow of 7,000 to 15,000 m³/Hr per each of 2 smaller Scrubber units
All 4 Scrubbers are operating in parallel, and discharge into a collector duct and effluent to a common discharge vessel.
All materials 304L Stainless Steel

Duty and Performance :

Operating temperature : 52 °C
Inlet Ammonium Nitrate dust load : 15,000 to 20,000mg/Nm3
Inlet Ammonia load : < 50mg/Nm3
Scrubbing solution : 25% to 50% Ammonium Nitrate solution + Nitric Acid
Spray Per Scrubber Max. 160 litres / min at 1 bar
Efficiency guarantees met :
< 10mg/Nm3 Ammonium Nitrate particles
< 5mg/Nm3 Ammonia
Pressure loss 100 mm. water column.

IMAGES
	Main Scrubber Vessel

Other Casestudies
SWISS STYLE PP DEMISTERS FOR MERCURY REMOVAL TOWER