The model of back-flow mixed tanks-in-series used for representing the liquid flow in a reciprocating plate column
2003
Nikolic, Lj. (Faculty of Technology, Leskovac (Serbia and Montenegro)) | Stojanovic, S. | Veljkovic, V. | Skala, D.
The influence of different working parameters (vibration intensity, superficial gas and liquid rate and content of the solid phase) on liquid flow in a multiphase (gas-liquid: RPC-II and gas-liquid-solid: RPC-III) reciprocating plate column was analyzed using step-response methods and sorbic acid as a tracer. The liquid flow was determined using a model of N-tanks in series followed by back mixing of the liquid phase between the tanks. The parameters of this model N, alfa and tau were calculated by applying several methods: calculation of the moments of the residence time distribution function for a constant number of tanks in series (N=const.), analysis of a set of linear equations for N unequal to const and determination of the minimum of defined goal function using the optimization technique leastsq.m of MATLAB software.
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