Question

Assignment II

It is required to blend the components in the Table Q3-a below with n-butane and MTBE to obtain a pool with Reid Vapour Pressure (RVP) as 12.0 psi and Octane Number (ON) as 92.

Table Q3-a

Component

Flow rate (BPD)

RVP (psi)

Octane Number (ON)

A

4000

10.2

80

B

5000

3.6

84

C

6000

6.8

91

Further information can be found in Table Q3-b:

Table Q3-b

Component

RVP (psi)

Octane Number (ON)

n-butane

52.0

92.5

MTBE

9.0

109.5

Calculate the amounts (in Barrel Per Day (BPD)) of n-butane and MTBE required to obtain the above RVP and ON specifications.

Answer 1