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Author (up) Aube, B.C. url  openurl
  Title Molybdenum treatment at Brenda Mines Type Journal Article
  Year 2000 Publication ICARD 2000, Vols I and II, Proceedings Abbreviated Journal  
  Volume Issue Pages 1113-1119  
  Keywords mine water treatment  
  Abstract Brenda Mines, located 22 km Northwest of Peachland in British Columbia, Canada was an open pit copper-molybdenum mine which closed in 1990 after 20 years of operation. The primary concern in Brenda's tailings and waste rock drainage is molybdenum at a concentration of approximately 3 mg/L.. The mine drainage is alkaline and contains little or none of the typically problematic heavy metals. Given that the waters downstream are used for municipal water supply and some irrigation, a discharge limit of 0.25 mg/L molybdenum was imposed with specific water quality guidelines in the receiving creek. A. review of all existing and potential molybdenum removal methods was undertaken prior to mine closure. The chosen process is a two-step iron co-precipitation with clarification and sand filtration at a slightly acidic pH. A 4,000 usgpm (912 m(3)/h) treatment plant was constructed and commissioned in 1998, at a cost of $10.5M. The successful removal of molybdenum from the drainage water is explained with details on some design innovations and operational challenges encountered during plant start-up. Investigated sludge disposal options are discussed although the long term disposal scenario has not yet been finalised.  
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  Notes Molybdenum treatment at Brenda Mines; Isip:000169875500109; Times Cited: 0; ISI Web of Science Approved no  
  Call Number CBU @ c.wolke @ 17104 Serial 167  
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