Question

Determine the required ventilation rate for a particle board manufacturing facility operating 24 hours per day. The facility must meet a formaldehyde (HCHO) concentration of 0.10 ppm. It generates 25,000 μg · d–1 · m–2 of HCHO. The facility work space is 30 m × 10 m × 5 m. The exhaust from the building is scrubbed and vented through a 10-tall stack. The ambient air intake contains no HCHO.

Answer 1

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