Which of the following factors control the design of a fluid-solid reactor ?

Related Mcqs:

A second order liquid phase reaction, A → B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow rate of F. The volume of the reacting mixture is V and the density of the liquid mixture is constant. The mass balance for A is_______________________?

A. d(VCA)/dt = -F (CAF – CA) – kCA2V B. d(VCA)/dt = F (CAF – CA) – kCA2V C. d(VCA)/dt = -FCA – kCA2V D. d(VCA)/dt = FCAF – kCA2V...

For a homogeneous reaction of nth order, the dimension of the rate constant is given by_________________?

A. 1/(time)n B. (Concentration)1 – n/(time) C. (Concentration)n – 1/(time) D. None of these...

The order of a chemical reaction is__________________?

A. An experimentally determined quantity B. Always equal to the total stoichiometric number of reactants C. Never fractional D. None of these...

The first order gas phase reaction as shown in the bellow figure is conducted isothermally in batch mode. The rate of change of conversion with time is given by________________?

A. dXA/dt = k1 (1 – XA)2 (1 + 2XA) B. dXA/dt = k1 (1 – XA) (1 + 0.5XA) C. dXA/dt = k1 (1 – XA) D. dXA/dt = k1 (1 – XA)/(1 + XA)...

Concentration of the limiting reactant (with initial concentration of a moles/litre) after time t is (a-x). Then ‘t’ for a first order reaction is given by____________________?

A. k. t = ln a/(a – x) B. k. t = x/a (a – x) C. k. t = ln (a – x)/a D. k. t = ln a (a – x)/x...