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DESIGNING SULFATE-REDUCING BACTERIA FIELD BIOREACTORS USING THE BEST MODEL
Citation:
ZALUSKI, M. H., B. PARK, AND D. R. BLESS. DESIGNING SULFATE-REDUCING BACTERIA FIELD BIOREACTORS USING THE BEST MODEL. Presented at Remediation of Chlorinated & Recalcitrant Compounds Fourth International Conference, Monterey, CA, May 24 - 25, 2004.
Impact/Purpose:
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Description:
BEST (bioreactor economics, size and time of operation) is a spreadsheet-based model that is used in conjunction with a public domain computer software package, PHREEQCI. BEST is intended to be used in the design process of sulfate-reducing bacteria (SRB)field bioreactors to pasively treat acid mine drainage emanating from abandoned or active mine sites. While PHREEQCI calculates geochemical equilibria through the bioreactor, the spreadsheet portion of the model includes factors associated with cleanup criteria, designed flow reate, capital and operating cost, required time of operation, assumed maintenance and media replacement schedule, and the size and configuration of the bioreactor. Depending on the design constraints, each factor can be considered an entry parameter or the result of calculations.