An indoor air scrubber developed to remove ammonia in poultry houses
Phys.org
February 24, 2026
AI-Generated Deep Dive Summary
Researchers from the USDA's Agricultural Research Service (ARS) have developed an innovative indoor air scrubber designed specifically for poultry houses to combat the issue of high ammonia levels. This groundbreaking technology effectively purifies the air in chicken houses, reducing ammonia concentrations by as much as 87% to 99%. The device addresses a critical challenge faced by poultry farmers: the negative impact of ammonia on bird health, worker productivity, and environmental regulations.
Ammonia, a common byproduct of poultry waste, is not only harmful to the birds but also poses risks to human health and the surrounding environment. High levels of ammonia can lead to respiratory issues for both animals and humans, reduce flock performance, and contribute to nitrogen pollution in nearby waterways. By significantly lowering these levels, the air scrubber offers a practical solution to these problems.
The ARS researchers' air scrubber operates by combining two key technologies: activated charcoal adsorption and photocatalysis. Activated charcoal captures ammonia molecules from the air, while photocatalysis uses light energy to break down the captured ammonia into harmless compounds like nitrogen gas and water vapor. This dual approach ensures that the scrubber not only removes pollutants but also converts them into environmentally friendly substances.
This innovation holds significant implications for the poultry industry, offering a sustainable way to improve animal welfare, worker safety, and production efficiency. By reducing ammonia levels, the air scrubber can help farmers comply with environmental regulations while enhancing the overall health of their flocks and employees. This advancement underscores the importance of scientific research in addressing real-world challenges and fostering more sustainable agricultural practices.
The development of this air scrubber highlights the intersection of science and agriculture, demonstrating how innovative technologies can tackle complex environmental issues. As poultry farming continues to grow globally, solutions like this are essential for ensuring the industry's long-term viability and sustainability. The ARS researchers' work not only benefits individual farmers but also contributes to broader efforts in protecting the environment and improving
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Originally published on Phys.org on 2/24/2026