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The following liquid phase reactions were carried out at 300K and only A present

ID: 473606 • Letter: T

Question

The following liquid phase reactions were carried out at 300K and only A present initially. 3A rightarrow B + C -r_1A = k_1AC_A 2C + A rightarrow 3D r_2D = k_2DC_^2C_A 4D + 3C rightarrow 3E r_3E = k_3EC_DC_C Find the net rates of formation of A, B, C, D and E If the reaction is carried out in CSTR, find the necessary equations to solve the concentration as function of space time for all of the species. If the If the reaction is carried out in batch reactor, find the necessary equations to solve the concentration as function of time for all of the species.

Explanation / Answer

A gets decomposed through reaction 1 and 2. Hence –rA= K1ACA+K2DCC2CA

B is formed through reaction 1, hence rB= K1ACA

C is formed from reaction-1, decompsed through reaction 2 and 3 . Hence rC = K1ACA-(K2DCC2CA+ K3ECDCC)

D is formed from reaction -2 and decomposed through reaction-3. Hence rD= K2DCC2CA - K3ECDCC

E is formed through reaction-3. Hence rE= K3ECDCC