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Abbreviations
- E(rτ):
-
Concentration of extracted substance in the ionite particle (in units/g of absolutely dry weight)
- E0 :
-
Concentration of extracted substance in ionite at intake of column (in units/g of absolutely dry weight)
- c(s):
-
Concentration of extracted substance in solution (in units/ml)
- cp(s):
-
Concentration of extracted substance on surface of particle, its equilibrium concentration in the solution stream (in units/ml)
- c0 :
-
Concentration of extracted substance in solution at intake of column (in units/ml)
- Kc :
-
Coefficient of mass delivery from solution to ionite particle (in m/sec)
- Dr :
-
Effective coefficient of internal diffusion in ionite particle (in m2/sec)
- ϕ :
-
Coefficient of equilibrium distribution of extracted substance
- deq :
-
Diameter of particle equivalent to a given ionite fraction (in m)
- r:
-
Variable distance from center of particle (in m)
- R:
-
Equivalent radius of particle (in m2)
- F:
-
Surface of particle (in m2)
- W:
-
Linear rate of solution supply (in m/sec)
- S:
-
Variable distance covered by the ionite in the column (in m)
- V:
-
Linear rate of transport of ionite particles (in m/sec)
- τ :
-
Variable time (in sec)
- τ av P/M:
-
Average time ionite spends in column (in h)
- P:
-
Amount of ionite loaded in column (in g of absolutely dry weight)
- M:
-
Discharge of ionite (in g of absolutely dry weight per h)
- m:
-
Volumetric discharge of ionite (in ml/h/cm2)
- w:
-
Volumetric discharge of solution (in ml/h/cm2)
- η :
-
Degree of ionite saturation
- n:
-
Number of operating cones
- H:
-
Height of column
Literature cited
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Translated from Khimiko-Farmatsevticheskii Zhurnal, Vol. 5, No. 11, pp. 24–30, November, 1971.
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Gel'perin, N.I., Klyueva, L.M. & Stremovskii, L.L. Attempt to calculate the continuous process of ion-exchange sorption of antibiotics in a multisection cone column. Pharm Chem J 5, 670–675 (1971). https://doi.org/10.1007/BF00772363
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DOI: https://doi.org/10.1007/BF00772363