Dimensionless bulk concentration at the particle surface (Equation
5.9)Dimensionless bulk concentration for component
1at the interface
(Equation
5.29)z
Dimensionless bulk concentration for component 2 at the interface (Equation 5.30) Spatial variable, cm Greek Letters a Subscripts 1 2
Ratio of (lln.ds)/(1/ndes), (Equation 4.9)
As in Equation 4. 15a
As in Equation 4. 15b
Dimensionless time (Equation 5.7)
Dimensionless external film resistance parameter (Equation 6. 1 1)
Liquid density, gm/cc
Bulk density, gm/cc
Particle density, gm/cc (Equation 5.3)
Volumetric Water content, cm3/cm3
Porosity of the fixed bed (Equation 6.2)
Dimensionless axial distance in the fixed bed (Equation 6. 10) Dimensionless equilibrium parameter (Equation 6. 1 1)
Dimensionless hydrodynamic parameter (Equation 6. 1 2) Liquid viscosity, (g/cm s)
Solute 1 Solute 2
ads Adsorption
des Desorption
i Component 1
J Component 2
2,4-D 2,4-DCP 2,4,5-T 2,4,5-TCP Atrazine BTC CEC DCB Flumetsulam HPLC HSDM Imazaquin Imazethapyr Linuron MCPA oc ODE OM PCE APPENDIX
6
2,4-dichlorophenoxyacetic acid 2,4-dichlorophenol 2,4,5-trichlorophenoxyacetic acid 2,4,5-trichlorophenol 2-chloro-4-diethylamino-6-ethylamino-s-triazine Breakthrough curveCation exchange capacity
Dichlorobenzene
( N - 2 , 6 - d i f l u r o p h e n y l - 5 - m e t h y l - 1 , 2 , 4 - triazolo( 1 ,5a)pyrimidine-2-sulfonamide)
High performance liquid chromatography ..
Homogeneous surface diffusion model
(2- [ 4,5-dihydro-4-methyl-4-( 1 -methylethyl)-5-oxo- 1H imidazol-2-yl]-3-quinolinecarboxylic acid
( (±)-[2-4,5-dihydro-4-methyl-4-( 1 -methylethy 1)-5-oxo- 1H imidazol-2-yl]-5-ethyl-3-pyridinecarboxylic acid)
3-(3,4-dichloro-phenyl)-1-methoxy- 1 -methyl-urea
2-methyl-4-chlorophenoxyacetic acid
Organic carbon
Ordinary differential equation Organic matter
PCOC PCP PCBs PDE Picloram
PK.
Prometryne TCB TCE TeCB TTCE para-chloro-ortho-cresol. Pentachlorophenol PolychlorobiphenylsPartial differential equation
4-amino-3,5 ,6-trichloropicolinic acid
Ionization constant 2,4-bis(isopropylamino)-6-methylmercapto-s-triazine Trichlorobenzene Trichloroethene 1 ,2,4,5 tetrachlorobenzene Tetrachloroethylene
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