Removal of air ammonia in a spray tower by dilute sulfuric acid solution
Workplace air quality is a very important factor in community health and is measured by measuring and evaluating airborne contaminants. One of these airborne pollutants is ammonia gas. Spray towers are important components of air pollution control. The aim of this study was to investigate the effects of using diluted sulfuric acid solution on the efficiency of ammonia removal in a spray tower.
In this study, the rate of ammonia removal from the air stream was measured using a spray tower in the laboratory, by changing the liquid pressure and nozzles and the inlet density. The volume of air flow used was 3737.82 l/min and the nozzle used was 20 microns in diameter, one, two and three, with dilute sulfuric acid solution. Data were analyzed by One-Way ANOVA and SPSS.21 software.
Increasing the number of nozzles and the spray pressure of the spray tower increased the spray removal efficiency and increasing the input load to the system reduces the elimination efficiency (P<0.05).
By increasing the number of nozzles and diluting the dilute sulfuric acid solution, it is possible to achieve proper performance in spray tower removal of ammonia gas.
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