Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 254 - Iron and steel manufacturing
Subchapter I - Cokemaking Subcategory
Section NR 254.011 - Specialized definitions
Current through August 26, 2024
The following definitions are applicable to the terms used in cokemaking subcategory:
(1) "Beehive cokemaking" means operations in which coal is heated with the admission of air in controlled amounts for the purpose of producing coke and which do not recover byproducts.
(2) "Byproduct cokemaking" means operations in which coal is heated in the absence of air to produce coke. Byproducts may be recovered from the gases and liquids driven from the coal.
(3) "Merchant byproduct cokemaking" means byproduct cokemaking operations which provide more than 50% of the produced coke to operations, industries, or processes other than iron making blast furnaces associated with steel production.
(4) "Iron and steel byproduct cokemaking" means byproduct cokemaking operations other than merchant cokemaking operations.
(5) "Wet desulfurization system" means systems which remove sulfur compounds from coke oven gases and produce contaminated process wastewater.
(6) "Indirect ammonia recovery system" means systems which recover ammonium hydroxide as a byproduct from coke oven gases and waste ammonia liquors.
(7) "Physical chemical treatment system" means full scale coke plant wastewater treatment systems incorporating full scale granular activated carbon adsorption units which were in operation prior to January 7, 1981.
