Coupled Aqueous Speciation and Biological Processes

However, complex interactions or feedback loops exist among the different components of the system  

With all these complex interactions, it is desirable to build a model that can quantitatively evaluate all the components of the system. Rittmann and VanBriesen (1996) and VanBriesen and Rittmann (1999) developed the code ccbatch to do just that, ccbatch, which stands for co-contaminant batch reactor , has three components. 

Aqueous speciation This is in line with traditional speciation code like minteqa2 and phreeqc. Instantaneous equilibrium is assumed for all homogenous aqueous com-plexation reactions. 

Biodegradation Degradation of organic compounds is treated as a kinetic process and described by the dual Monod kinetics formulation (Bae and Rittmann, 1996). 

Cell growth and decay The growth and decay of the biomass (cells) are also simulated 

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