Chapter hvac engineering Fundamentals: Part 1 Introduction

10.6.7
Environmental considerations
Natural and LP gas fuels require no pollution controls except for ox-
ides of nitrogen in large boilers. Residual oils and solid fuels require
tail-end control equipment to remove particulate matter and sulfur
compounds. These are regulated by local, state, and federal codes.
Such equipment includes fabric filters (baghouses), electrostatic pre-
cipitators, dry and wet scrubbers, and controls to maximize combus-
Equipment: Part 2
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