1. Routes of Producing Propylene
Crude Oil
Natural Gas
Propylene
Coal/
Heavy Oil

2. Routes of Producing Propylene
Natural Gas
Steam Reforming
Syngas
Methanol
MTP/MTO
Propylene

3. Background: Reaction Chemistry
Main Reactions Occurring:
DME Reaction from Methanol: 2 𝐶𝐻 3 𝑂𝐻→ 𝐶𝐻 3 𝑂𝐶 𝐻 3 + 𝐻 2 𝑂
DME to Ethylene: 𝐶 𝐻 3 𝑂𝐶 𝐻 3 → 𝐶 2 𝐻 4 + 𝐻 2 𝑂
DME to Propylene: 3𝐶 𝐻 3 𝑂𝐶 𝐻 3 →2 𝐶 3 𝐻 6 +3 𝐻 2 𝑂

4. Background: Reaction Chemistry
Side Reactions Occurring:
Propylene Formation from Ethylene (Desired)
Butylene/Isobutylene Formation from Propylene (Undesired)

5. Site Location Kingdom of Saudi Arabia
6th Largest in Natural Gas Reserves
9th Largest Producer of Natural Gas
Country is Diversifying its Income Sources and Satisfying the Local Demand
No Cooperate Tax

6. Novelty New Catalyst Zeolite HMOR (Na8Al8Si40O96.24H2O) Si/Al = 5
Methanol conversion of 99.8 % (44.2 % Propylene)
Catalyst
Conv. (%)
Selectivity (C-mol%)
P/E
C1-C4a
C2H4
C3H6
C4H8
C5+b
Aromatics
HZSM5
99.6
18.5
18.0
22.7
8.25
12.6
20.0
1.75
HMOR
99.8
3.62
6.88
44.2
19.4
23.9
2.60
10.1
a Saturated Hydrocarbons
b Excluding Aromatics

7. Proposed Process Flow Diagram

8. Proposed Process Flow Diagram

9. Proposed Process Flow Diagram

10. Proposed Process Flow Diagram