Heat (from coke oven gas, blast furnace gas, natural gas) Electricity Water
Coke oven gas and byproducts including coal tar, light oil, and ammonia liquor Ammonia, phenol, cyanide, and hydrogen sulfide Charging, pushing, and quenching emissions Products of combustion (SO2, NOx, CO, particulate) Oil (K143 and K144) Ammonia still lime sludge (K060) Decanter tank tar sludge (K087) Tar residues (K141, K142)
Benzene releases in byproduct recovery operations Naphthalene residues generated in the final cooling tower Sulfur and sulfur compounds recovered from coke oven gas Wastewater from cleaning and cooling (contains zinc, ammonia still lime, decanter tank tar, or tar distillation residues) Air pollution control (APC) dust
Source: From U.S. EPA, Profile of the Iron and Steel Industry, EPA 310-R-95-005, U.S. EPA, Washington, DC, 1995.
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You can now recondition your old batteries at home and bring them back to 100 percent of their working condition. This guide will enable you to revive All NiCd batteries regardless of brand and battery volt. It will give you the required information on how to re-energize and revive your NiCd batteries through the RVD process, charging method and charging guidelines.