Kraft Lime Kiln and Calciner Emissions Factors for CH 4 and N 2 O

Fuel Fossil fuel-based emissions factors (kg/mmBtu HHV) Kraft rotary lime kilns Kraft calciners a CH 4 N 2 O CH 4 N 2 O Residual Oil (any type) 0.0027 0 0.0027 0.0003 Distillate Oil (any type) 0.0027 0 0.0027 0.0004 Natural Gas 0.0027 0 0.0027 0.0001 Biogas 0.0027 0 0.0027 0.0001 Petroleum coke 0.0027 0 b NA b NA Other Fuels See Table C-2 0 See Table C-2 See Table C-2 a Includes, for example, fluidized bed calciners at kraft mills. b Emission factors for kraft calciners are not available. [78 FR 71965, Nov. 29, 2013, as amended at 81 FR 89264, Dec. 9, 2016]