Page 578 - Materials Chemistry, Second Edition
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CAT3525_C18.qxd 1/27/2005 12:47 PM Page 549
Universal Wastes 549
FIGURE 18.2 Recycling of spent lead-acid batteries: (a) manual breaking of industrial batteries; (b) reverba-
tory furnace for lead smelting; and (c) lead ingots (‘pigs’) (OSHA, no date).
packs are placed in a natural gas-fired thermal oxidizer where the plastic is vaporized, leaving clean
nickel–cadmium battery cells. Gases from the thermal oxidizer are sent to a rotary hearth furnace
