Natural attenuation of dissolved solvents

Natural attenuation of dissolved solvents


BIOCHLOR is a screening model that simulates remediation by natural attenuation of dissolved solvents at chlorinated solvent release sites.
BIOCHLOR includes three different model types: 
  • Solute transport without decay 
  • Solute transport with biotransformation modeled as a sequential first-order decay process 
  • Solute transport with biotransformation modeled as a sequential first-order decay process with two different reaction zones (i. e. , each zone has a different set of rate coefficient values) 
  • The software, programmed in the Microsoft Excel spreadsheet environment and based on the 
  • Domenico analytical solute transport model, has the ability to simulate one-dimensional advection, three-dimensional dispersion, linear adsorption, and biotransformation via reductive dechlorination (the dominant biotransformation process at most chlorinated solvent sites). 
  • Reductive dechlorination is assumed to occur under anaerobic conditions and dissolved solvent degradation is assumed to follow a sequential first-order decay process.
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