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Schematic diagram of NH3 wet spray scrubber with pH controlling system. 

Schematic diagram of NH3 wet spray scrubber with pH controlling system. 

Source publication
Table 1 . Properties of the TW and ROW that was used for the scrubbing...
Figure 1. Schematic diagram of NH3 wet spray scrubber with pH...
Figure 2. The spray scrubber apparatus 
Figure 3. Effects of scrubbing solution pH on NH3 removal efficiency...
Ammonia scrubbing using controlled pH diluted acid spray scrubber
Conference Paper
Full-text available
  • Jul 2014
Ammonia (NH3) emissions from animal feeding operations especially poultry houses are increasing and so intensifying environmental concerns. Evaluating a new method of NH3 abatement using a diluted acid wet spray scrubber with a lower environmental impact was the main objective of this research. A bench-scale wet scrubber was built to process 50 cfm...
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Context 1
... temperature and relative humidity sensors (HOBO, Onset Computer Corporation, Bourne, MA) were placed within the scrubber apparatus (at H locations in Figure 1) to record these values every 1.4 s during the operation of each experiment. There was also a calibrated thermometer placed just before the airflow nozzle so the bulb was centered in the duct to compare against the HOBO temperature measurements, and they consistently gave the same readings. The HOBO temperature measurements were used in the calculation of the airflow through the ...
Context 2
... schematic and photograph of the laboratory spray scrubber apparatus used in this study are shown in Figures 1 and 2, respectively. In this system, air was blown into the scrubber and mixed with NH 3 from a cylinder, that was injected immediately after the inlet fan, to achieve a mixture of air and NH 3 gases at 20 ppmv NH 3 (13.9 mg/m 3 at 23°C) entering the scrubber. The air/NH 3 mixture was then passed through the spray scrubber. NH 3 levels, before and after the scrubber contact chamber, were measured to determine the NH 3 removal ...