Coupled transport membranes for ore beneficiation

Charles R. Hauer

Energy, 1980, vol. 5, issue 8, 937-940

Abstract: This paper deals with the application of “minimum energy consumption path” methods to mineral extraction and ore beneficiation. Beneficiation accounts for a substantial fraction of the energy consumed in producing metals or materials of industrial usefulness, because it generally requires concentration of the metal or compound from very low levels so that further refining methods may be employed. A variety of processes, ranging from mechanical to chemical, may be used. Generally, these processes, which are carried out isothermally and which “approach reversibility”, represent the minimum energy path for extraction, separation, or concentration. The process to be discussed in greatest detail here may be defined as “coupled membrane transport”, in which ion exchange liquids are physically bound in a membrane structure and a ph gradient is used to drive the transport process.

Date: 1980
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:5:y:1980:i:8:p:937-940

DOI: 10.1016/0360-5442(80)90110-3

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