Biofilms/growth & development; Bioreactors/microbiology; Carbon/isolation & purification; Hydrodynamics; Models, Theoretical; Organic Chemicals/isolation & purification; Waste Disposal, Fluid/instrumentation; Aerobiosis; Batch Cell Culture Techniques; Biodegradation, Environmental; Calibration; Computer Simulation; Filtration/instrumentation; Heterotrophic Processes; Kinetics; Reproducibility of Results; Software; Water Pollutants, Chemical/isolation & purification

A; C(t); E(t); E(θ); GF; HRT(actual); Heterotrophic biofilm; Ks; Ks_real; L(f); M(dry); M(media); M(tracer); M(wet); Monod half saturation coefficient (mg_TOC/L_V(void)); Monod kinetic; N; PF; Porous media; Q(t); Retention time distribution; Rv; TIC; V(actual); V(bulk); V(exhange); V(media); V(void); Wastewater treatment; X; Y(yield); actual hydraulic retention time (min); actual hydraulic volume (L); average biofilm thickness (mm); b; biofilm concentration (mg_TOC/L_V(void)); biofilm decay rate (L/day); biofilm yield rate (mg COD/mg COD); density of porous media (g/mL); density of wet biofilm (g/mL); dry mass of biofilm (g); dry mass of porous media (g); half saturation coefficient added by the blank TOC concentration (mg_TOC/L_V(void)); hydraulic volume of exchanged zones (L); maximum specific biofilm growth rate (L/day); maximum specific growth rate of heterotrophic biofilm (L/day); maximum substrate biodegradation rate (mg_TOC/(L_V(void).min)); nominal hydraulic retention time; nominal retention time distribution; number of stirred tanks; proportion of total carbon of dry biofilm (%); retention time distribution (min(−1)); specific surface area of porous media (m(2)/m(3)_V(bulk)); the filter with glass beads; the filter with plastic rings; theil inequality coefficient; total mass of tracer injected (g); total volume of filter bed (L); tracer concentration (g/L); void volume of filter bed (L); volume of porous media (L); water flow rate at the outlet (L/min); wet mass of biofilm (g); ε; θ; µ(max); µ(maxH); ρ; ρ(media)