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Extraction of metals and phosphorus from incinerated municipal sewage sludge.
Gabler-RC Jr.; Neylan-DL
32D Ind Waste Conf 5/77 Purdue Univ Ind Ann Arbor Sci Pub Inc 1978 :39-49
As an extension of the Bureau of Mines program to convert waste materials from a disposal problem into a secondary resource, studies were undertaken to determine if the metals and phosphorus can be removed prior to disposal of the ash. By this approach, the ash is converted into an environmentally acceptable material while valuable resources are conserved. Although this secondary source of metals and phosphorus will probably not be economically competitive with conventional ores, part of the extraction-recovery cost could be borne as a disposal expense. This resource recovery study has two objectives--detailed characterization of incinerated sludge ashes from representative U.S. cities, and evaluation of low-cost extraction processes.
OP; Conference/Symposia Proceedings
32D Ind. Waste Conf., 5/77, Purdue Univ, Ind.; Ann Arbor Sci. Pub., Inc., 1978,
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