Page 177 - Materials Chemistry, Second Edition

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148 Waste Management Practices: Municipal, Hazardous, and Industrial

FIGURE 6.6 Metal processing facilities may accept ferrous waste from municipalities, demolition operations,
industrial plants, and individual consumers.

FIGURE 6.7 White goods set aside for recycling.

ferrous, all hazardous materials (battery, refrigerants, used oil, and antifreeze) must be removed.
Auto salvage operations remove the fuel tank, tires, windshields, radiators, and other items with
potential resale value. The remains are placed into an industrial shredder which converts the auto-
mobile into small chunks (Figure 6.8) or compressed in a high-capacity compactor. These packages
can be fed directly into an electric arc furnace (see below).
Larger ferrous scrap from industry is processed for reuse via cutting and baling. In dealing with
industrial ferrous wastes, common machinery include a crane, either mounted or mobile, which