Carbon Dioxide Absorption Modeling for Off-Gas Treatment in the Nuclear Fuel Cycle

Table 4

Typical values of column geometric parameters and operating variables.

Parameter	Unit	Default value	Range	Reference
Height	M	5	1–10	Richardson et al. [37]
Tower diameter	M	1	0.5–2	Richardson et al. [37]
Dry specific area (aT)	m^2/m^3	200	200–500	Billet and Schultes [38]
Void fraction (ε)	m^3/m^3	0.979	0.979	Billet and Schultes [38]
Packing equivalent diameter	M	0.01	0.005–0.02	Billet and Schultes [38]
Packing coefficient (Cl)	Dimensionless	0.971	0.971	Billet and Schultes [38]
Packing coefficient (Ch)	Dimensionless	0.547	0.547	Billet and Schultes [38]
Packing coefficient (Cv)	Dimensionless	0.390	0.390	Billet and Schultes [38]
Liquid-phase superficial velocity (ul)	m/s	0.01	0.001–0.1	Greer [2]
Gas-phase superficial velocity (ug)	m/s	1	0.5–5	Greer [2]
Input temperature	K	313	293–323	Greer [2]
CO2 concentration	mol/m^3	1.7	0.017–17.0	This work
RNH2 molar fraction	Dimensionless	0.2	0.01–0.5	Greer [2]
R1R2R3N molar fraction	Dimensionless	0.1	0.01–0.2	This work