NH3 reduction modeling, scrubber sizing, nitrogen recovery, litter emission analysis, and flock performance impact β grounded in USDA ARS poultry air quality research.
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Select house type and scrubber technology to load ARS efficiency parameters and OSHA thresholds. Values auto-populate into the NHβ Reduction (SF11-S.001), Scrubber Sizing (SF11-S.002), and Flock Performance (SF11-S.005) calculators below.
Source: USDA ARS Fayetteville β Moore et al., Journal of Applied Poultry Research. 30-min air exchange standard, fast sand filtration, ammonium sulfate N capture. ARS patent pending.
Model SF11-S.001
Estimate post-treatment ammonia levels and reduction percentage. Checks OSHA/NIOSH compliance thresholds and flock performance safety zones.
Model SF11-S.002
Calculate required airflow (CFM) and number of scrubber units based on house dimensions and ARS 30-minute full-volume air exchange standard.
Model SF11-S.003
Estimate pounds of nitrogen captured daily and annually from scrubber operation. Converts NHβ captured to urea equivalent for fertilizer credit valuation.
Model SF11-S.004
Estimate ammonia emission rate from litter based on moisture, pH, temperature, bird age, and litter type. Predicts house NHβ levels to justify scrubber installation.
Model SF11-S.005
Quantify the impact of ammonia on broiler body weight gain, feed conversion ratio (FCR), and mortality. Calculates revenue loss from suboptimal NHβ conditions.
Built on USDA ARS research from Dr. Philip Moore at the Poultry Production & Product Safety Research Unit in Fayetteville, AR. The ARS-patented indoor air scrubber achieves 87β99% ammonia reduction while recovering nitrogen as ammonium sulfate fertilizer. These scientific models help producers document emissions, size systems correctly, and quantify flock performance impacts for better decision-making and regulatory compliance.