Alkylation Reactor Material Balance

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Technological Institute of the Philippines

MATERIAL BALANCE R-01 ALKYLATION REATOR

Technological Institute of the Philippines Equipment Name: Equipment Code: Operating Parameters:

Alkylation Reactor R-01 Temperature: 257.5℃ Pressure: 3.54 MPa

Description: The catalytic fixed bed reactor containing zeolite catalyst is used for the alkylation of benzene and propylene to produce Cumene and DIPB. Basis: ο‚· ο‚·

The percentage conversion of Propylene is 96% (Norouzi et al., 2014) The product molar selectivity of Cumene to DIPB is 31. (Norouzi et al., 2014)

Reactions involved: C3H6 + C6H6

C9H12

C3H6 + C9H12

C12H18

Component Benzene Propylene Propane Total

%mole 82.61 16.52 0.87 100.00

Stream 6 kmole/day 500.41 100.08 5.27 605.76

kg/day 39032.07 4203.45 231.77 43467.29

%mass 89.80 9.67 0.53 100.00

Component Benzene Cumene Propane DIPB Propylene Total

%mole 79.82 18.35 1.04 0.61 0.18 100.00

Stream 7 kmole/day 404.33 92.98 5.27 3.10 0.90 506.58

kg/day 31537.91 11157.55 231.77 502.09 37.97 43467.29

%mass 72.56 25.67 0.53 1.16 0.09 100.00

Technological Institute of the Philippines Stream 6 (S6): 𝐢6 𝐻6 = (500.41

𝐢6 𝐻6 π‘˜π‘šπ‘œπ‘™π‘’ 78 π‘˜π‘” 𝐢6 𝐻6 π’Œπ’ˆ π‘ͺπŸ” π‘―πŸ” )( ) = πŸ‘πŸ—πŸŽπŸ‘πŸ. πŸŽπŸ• π‘‘π‘Žπ‘¦ 1 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢6 𝐻6 π’…π’‚π’š

𝐢3 𝐻6 = (100.08

𝐢3 𝐻6 π‘˜π‘šπ‘œπ‘™π‘’ 42 π‘˜π‘” 𝐢3 𝐻6 π’Œπ’Žπ’π’π’† π‘ͺπŸ‘ π‘―πŸ” )( ) = πŸ’πŸπŸŽπŸ‘. πŸ’πŸ“ π‘‘π‘Žπ‘¦ π‘˜π‘šπ‘œπ‘™π‘’ 𝐢3 𝐻6 π’…π’‚π’š

𝐢 𝐻 π‘˜π‘šπ‘œπ‘™π‘’

6 100.08 3 π‘‘π‘Žπ‘¦ 𝐢3 𝐻8 = ( 0.95

1 π‘˜π‘šπ‘œπ‘™π‘’πΆ3 𝐻8 44 π‘˜π‘” 𝐢3 𝐻8 ) (0.05) ( )( ) 1 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢3 𝐻6 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢3 𝐻8

= πŸπŸ‘πŸ. πŸ•πŸ•

π’Œπ’ˆ π‘ͺπŸ‘ π‘―πŸ” π’…π’‚π’š

Stream 7 (S7): 𝐢9 𝐻12 π‘π‘Ÿπ‘œπ‘‘π‘’π‘π‘’π‘‘ π‘“π‘Ÿπ‘œπ‘š 1𝑠𝑑 π‘Ÿπ‘₯𝑛 = (100.08 = πŸ—πŸ”. πŸŽπŸ–

ο‚· ο‚·

𝐢3 𝐻6 π‘˜π‘šπ‘œπ‘™π‘’ 1 π‘˜π‘šπ‘œπ‘™π‘’πΆ9 𝐻12 ) (0.96) ( ) π‘‘π‘Žπ‘¦ 1 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢3 𝐻6

π’Œπ’Žπ’π’π’† π‘ͺπŸ— π‘―πŸπŸ π’…π’‚π’š

Cumene produced from reaction 1 was partially consumed in the next reaction to form DIPB. The product molar selectivity of Cumene to DIPB is 31. (Norouzi et al., 2014)

𝐢12 𝐻18 = ((96.08

π‘˜π‘šπ‘œπ‘™π‘’ 𝐢9 𝐻12 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢12 𝐻18 162 π‘˜π‘” 𝐢12 𝐻18 )( )) ( ) π‘‘π‘Žπ‘¦ 31 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢9 𝐻12 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢12 𝐻18 = πŸ“πŸŽπŸ. πŸŽπŸ—

π’Œπ’Žπ’π’π’† π‘ͺ𝟏𝟐 π‘―πŸπŸ– π’…π’‚π’š

Technological Institute of the Philippines

𝐢9 𝐻12 = ((96.08

(

𝐢6 𝐻6 = (500.41

π‘˜π‘šπ‘œπ‘™π‘’ 𝐢9 𝐻12 3.10 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢12 𝐻18 1 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢9 𝐻12 ) βˆ’ (( )( ))) π‘‘π‘Žπ‘¦ π‘‘π‘Žπ‘¦ π‘˜π‘šπ‘œπ‘™π‘’ 𝐢12 𝐻18 120 π‘˜π‘” 𝐢9 𝐻12 π’Œπ’Žπ’π’π’† π‘ͺπŸ— π‘―πŸπŸ ) = πŸπŸπŸπŸ“πŸ•. πŸ“πŸ“ 1 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢9 𝐻12 π’…π’‚π’š

𝐢6 𝐻6 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢3 𝐻6 π‘˜π‘šπ‘œπ‘™π‘’ 1 π‘˜π‘šπ‘œπ‘™π‘’πΆ6 𝐻6 ) βˆ’ ((100.08 ) (0.96) ( )) π‘‘π‘Žπ‘¦ π‘‘π‘Žπ‘¦ 1 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢3 𝐻6 (

78 π‘˜π‘” 𝐢6 𝐻6 π’Œπ’ˆ π‘ͺπŸ” π‘―πŸ” ) = πŸ‘πŸπŸ“πŸ‘πŸ•. πŸ—πŸ 1 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢6 𝐻6 π’…π’‚π’š

𝐢 𝐻 π‘˜π‘šπ‘œπ‘™π‘’

6 100.08 3 π‘‘π‘Žπ‘¦ 𝐢3 𝐻8 = ( 0.95

1 π‘˜π‘šπ‘œπ‘™π‘’πΆ3 𝐻8 44 π‘˜π‘” 𝐢3 𝐻8 ) (0.05) ( )( ) 1 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢3 𝐻6 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢3 𝐻8

= πŸπŸ‘πŸ. πŸ•πŸ•

𝐢3 𝐻6 = ((100.08

π’Œπ’ˆ π‘ͺπŸ‘ π‘―πŸ– π’…π’‚π’š

π‘˜π‘šπ‘œπ‘™π‘’ 𝐢3 𝐻6 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢9 𝐻12 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢12 𝐻18 ) (0.04)) βˆ’ (96.08 )( ) π‘‘π‘Žπ‘¦ π‘‘π‘Žπ‘¦ 31 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢9 𝐻12

1 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢3 𝐻6 42 π‘˜π‘” 𝐢3 𝐻6 π’Œπ’Žπ’π’π’† π‘ͺπŸ‘ π‘―πŸ” ( )( ) = πŸ‘πŸ•. πŸ—πŸ• π‘˜π‘šπ‘œπ‘™π‘’ 𝐢12 𝐻18 π‘˜π‘šπ‘œπ‘™π‘’ 𝐢3 𝐻6 π’…π’‚π’š

Overall Material Balance: S6 = S7 πŸ’πŸ‘πŸ’πŸ”πŸ•. πŸπŸ—

π’Œπ’ˆ π’Œπ’ˆ = πŸ’πŸ‘πŸ’πŸ”πŸ•. πŸπŸ— π’…π’‚π’š π’…π’‚π’š

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