Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Chemical Reaction Engineering
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Blood

Gland

Saliva

Intestine

Blood

Gland

Saliva

Intestine

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Chemical Reaction Engineering
Fluidised bed reactor is characterised by

Very small pressure drop

Uniformity of temperature

Comparatively smaller equipment

Absence of continuous catalyst regeneration facility

Very small pressure drop

Uniformity of temperature

Comparatively smaller equipment

Absence of continuous catalyst regeneration facility

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Chemical Reaction Engineering
The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second)

L√(K/D1)

∞

1/(L√(K/D1))

1

L√(K/D1)

∞

1/(L√(K/D1))

1

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Chemical Reaction Engineering
The dimensions of rate constant for reaction 3A → B are (l/gm mole)/min. Therefore the reaction order is

3

2

1

3

2

1

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Chemical Reaction Engineering
For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is

2

4

11

22

2

4

11

22

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Chemical Reaction Engineering
In the fluid catalytic cracker (FCC), the cracking reaction is (i) and the regeneration is __ (ii)

(i) exothermic (ii) endothermic

(i) endothermic (ii) exothermic

(i) exothermic (ii) exothermic

(i) endothermic (ii) enodthermic

(i) exothermic (ii) endothermic

(i) endothermic (ii) exothermic

(i) exothermic (ii) exothermic

(i) endothermic (ii) enodthermic

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Chemical Reaction Engineering

Chemical Reaction Engineering Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Chemical Reaction Engineering Fluidised bed reactor is characterised by

Chemical Reaction Engineering The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second)

Chemical Reaction Engineering The dimensions of rate constant for reaction 3A → B are (l/gm mole)/min. Therefore the reaction order is

Chemical Reaction Engineering For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is

Chemical Reaction Engineering In the fluid catalytic cracker (FCC), the cracking reaction is __________ (i) and the regeneration is ____________ (ii)

Chemical Reaction Engineering
Enzymes (a protein) are catalysts found in organisms. Its efficiency of catalysing a reaction is due to its capacity to lower the activation energy of the reaction. The enzyme ptyalin used for food digestion is present in

Chemical Reaction Engineering
Fluidised bed reactor is characterised by

Chemical Reaction Engineering
The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second)

Chemical Reaction Engineering
The dimensions of rate constant for reaction 3A → B are (l/gm mole)/min. Therefore the reaction order is

Chemical Reaction Engineering
For an isothermal second order aqueous phase reaction, A → B, the ratio of the time required for 90% conversion to the time required for 45% conversion is

Chemical Reaction Engineering
In the fluid catalytic cracker (FCC), the cracking reaction is (i) and the regeneration is __ (ii)