Whether dust collectors are used in a plant to control indoor air quality (IAQ), keep equipment clean, and/or recover high-value process dusts, many plants are considering recirculating the air back into the plant downstream of collectors instead of exhausting it outdoors. When using recirculating dust collection systems, special safety and performance concerns must be addressed.The article Recirculating Air From Dust Collectors is a classic composition that explores the benefits of recirculating indoor air as well as the safety issues.
