Design considerations for a continuous emission measurement system for pressure type bag houses
Keywords:continuous sampling, pressure bag house, particulate matter
Measurement of the outlet particulate concentration on pressure-type bag filters, whether intermittent or continuous, has been avoided in South Africa as cumbersome and possibly inaccurate. A system based on the requirements of the US EPA’s method 5D was however recently designed and installed on three pressure-type reverse air filters serving ferro-chrome electric arc furnaces in order to allow comparison with the legal emission concentration limits for this type of furnace. This paper reports on the design considerations and design process of this system.
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