NAPCEN Spray Tower Scrubber open spray tower features multiple spray nozzles that create distinct spray zones through which contaminated gas flows. The system utilizes absorption technology, allowing pollutants to dissolve into the scrubbing liquid. The spray nozzles are strategically positioned to ensure complete coverage of the tower’s cross-sectional area. Unlike other scrubbers, this design does not use packing materials or trays to enhance gas-liquid contact. Spray towers are primarily used in applications where a low-pressure drop and moderate separation efficiency are required, making them suitable for industries needing effective yet simple air pollution control with minimal operational resistance.
Technical Specification
Parameter
Value
Air Flow
300 to 25,000 CFM
Material Of Construction
PP / FRP / PP+FRP / MS / SS
Removal Technique
Gas – Liquid Mass Transfer and Chemical Absorption
Pressure Drop
75 mm W.C.
Efficiency
Up to 99 %
Models and Options
MODEL NPBS - 30
1. Air Handling Volume -- 400 CFM
2. Material Of Construction-- PP / FRP / PP+FRP / MS / SS
3. Removal Technique -- Gas – Liquid Mass Transfer and Chemical Absorption
4. Pressure Drop --75 mm W.C.
5. Filter Efficience -- 99%
MODEL NBHF - 45
1. Air Handling Volume -- 1000 CFM
2. Material Of Construction-- PP / FRP / PP+FRP / MS / SS
3. Removal Technique -- Gas – Liquid Mass Transfer and Chemical Absorption
4. Pressure Drop --75 mm W.C.
5. Filter Efficience -- 99%
MODEL NBHF - 60
1. Air Handling Volume -- 2000 CFM
2. Material Of Construction-- PP / FRP / PP+FRP / MS / SS
3. Removal Technique -- Gas – Liquid Mass Transfer and Chemical Absorption
4. Pressure Drop --75 mm W.C.
5. Filter Efficience -- 99%
MODEL NPBS - 75
1. Air Handling Volume -- 3000 CFM
2. Material Of Construction-- PP / FRP / PP+FRP / MS / SS
3. Removal Technique -- Gas – Liquid Mass Transfer and Chemical Absorption
4. Pressure Drop --75 mm W.C.
5. Filter Efficience -- 99%
Application
Chemical processing industries – Removal of acidic gases (HCl, SO2, HF) and solvent vapors.
Petrochemical refineries – Treatment of hydrocarbon vapors and toxic gas emissions.
Fertilizer plants – Control of ammonia and other nitrogen-based emissions.
Pharmaceutical industry – Scrubbing of solvent fumes, dust, and chemical vapors.
Pulp & paper mills – Removal of chlorine, chlorine dioxide, and other bleaching gases.
Food & beverage industry – Odor control and removal of organic vapors.
Waste incineration plants – Neutralization of acid gases from combustion flue gas.
Metal finishing & electroplating – Removal of acid mist and toxic chemical fumes.
Textile industry – Control of emissions from dyeing and finishing operations.
Wastewater treatment plants – Scrubbing of foul odors and ammonia emissions.
Accessories
Spray Nozzles – To atomize and distribute the scrubbing liquid evenly inside the tower.
Liquid Distribution System – Piping, headers, and distributors for uniform liquid flow.
Packing Media (optional) – Sometimes added to improve gas-liquid contact efficiency.
Mist Eliminator / Demister Pad – Removes entrained liquid droplets from the cleaned gas.
Recirculation Pump – Continuously circulates scrubbing liquid from the sump to the spray nozzles.
Chemical Dosing Unit – Adds neutralizing agents (e.g., caustic soda, acid) to the scrubbing solution.
pH Monitoring & Control System – Ensures correct scrubbing liquid chemistry for gas absorption.
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