SLIDE 1
www.iac-intl.com
1
Industrial Accessories Company 4800 Lamar Ave Mission, Kansas 66202
Electric Arc Furnace Technologies
Corporate Background
PP003
www.iac-intl.com
2 Regulatory Requirements
Coke Ov en-Pushing Emissions New Mact Standards for Opacity (20% opacity during push). Will require more efficient capture. May require capture of "travel" emissions. Blast Furnaces May require retrofit from ESP &/or Venturi Scrubber to Baghouse Primarily FF, howev er there are 2 VS installations. PM control - 0.009 gr/dscf Opacity - 20% for existing plants; 15% for new plants. Basic Oxygen Furnace (BOF) All US "Open or Closed Hood" designs hav e either an ESP or VS. Primary Control BOPF w/Closed Hood - 0.024 gr/dscf BOPF w/Open Hood - 0.019 gr/dscf Secondary Control 0.01 gr/dscf for existing plants 0.0052 gr/dsf for new plants Electric Arc Furnace (EAF) EAF Control Device: Lead Emissions of 0.0002 grains/DSF EAF Control Device: Opacity of 3% Melt Shop Building Roof Ventilators: Opacity of 6% EU dev eloping new standards for EAF emissions for following: * arsenic; cadmium; nickel; and Polyaromatic hydrocarbons (PAHs) * Once standards get adopted, US market will also be affected. Sinter Plants Windbox Exhaust 0.3 lbs per ton of product sinter (old & new plants) Discharge End 0.02 gr/dscf - existing plant; 0.01 gr/dscf - new plant 20% opacity for secondary emissions - existing plant 10% opacity for secondary emissions - new plant Cooler stacks 0.03 gr/dscf - existing plant; 0.01 gr/dscf - new plant. General Bag leak detection systems Opacity Monitoring Continuous parameter monitoring system Record keeping For Steel installations, the general accepted limit is 0.0052 gr/dscf