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In the case of mixed waste processing, bulky items (appliances, furniture, etc.) and specified contaminants (e.g., hazardous waste) generated in some of the industrialising economies can be, and oftentimes are, manually removed from the waste prior to mechanical processing. With few exceptions, a completely manual separation of materials from mixed waste beyond this initial separation is reserved for small operations, i.e., less than 20 Mg/day. Manual separation is also applicable to the removal of contaminants from source-separated materials. (Here, “contaminants” refers to components other than the materials specified for separate collection.) Ranges of sorting rates and of recovery efficiencies can be established that cover the usual set of operating conditions at processing facilities. Ranges for selected material categories are presented in Table VI-1.
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