Raw Material and Process Flow Diagram for Methanol Production

1. Reporter: Supervisor: Lyu Wenjun Xin Feng

2. 2012/12/04 contents 1. The raw material and process flow diagram 2. The reactor 3. The next plans

3. 2012/12/04 1. The raw material Component mass fraction Component mass fraction Component mass fraction METHANOL 16.67 3-METHYL-1- BUTENE 0.493 2-METHYL-2-PENTENE 2.953 1-BUTENE 2.368 1-PENTENE 2.008 3-METHYL-1-PENTENE 4.451 CIS-2-BUTENE 1.763 CIS-2-PENTENE 3.532 3-METHYL-CIS-2-PENTENE 1.614 TRANS-2-BUTENE 1.822 TRANS-2-PENTENE 6.126 4-METHYL-CIS-2-PENTENE 0.42 N-BUTANE 0.495 2-METHYL- BUTANE 8.223 3-METHYL-TRANS-2- PENTENE 2.982 ISOBUTANE 1.029 N-PENTANE 1.702 1-METHYLCYCLOPENTENE 2.417 CYCLOPENTENE 0.92 METHYL- ISOBUTYL-ETHER 0.347 3-METHYLCYCLOPENTENE 0.508 2-METHYL-1,3- BUTADIENE 0.143 1-HEXENE 1.869 2,3-DIMETHYL-BUTANE 1.973 2-PENTYNE 0.388 CIS-2-HEXENE 1.717 N-HEXANE 6.106 CYCLOPENTANE 0.18 TRANS-2-HEXENE 2.033 2-ETHYL-1-PENTENE 2.308 2-METHYL-1- BUTENE 3.67 METHYLCYCLOPE NTANE 2.548 3-ETHYL-1-PENTENE 1.188 2-METHYL-2- BUTENE 8.462 2-METHYL-1- PENTENE 7.352 C4 a) Have C4 except active component ? b) Simplify the composition of raw material ? c) Be beneficial to code. a) Have C4 except active component ? b) Simplify the composition of raw material ? c) Be beneficial to code.

4. 2012/12/04 Process flow diagram MATLAB ASPEN+MATLAB

5. 2012/12/04 2. The reactor -catalyst Some characteristics of D005 Exchange capacity , mmol/g[H + ] 5.2 Water content, % 50-58 Bulk density, g/ml 0.75-0.85 Wet true density, g/m 1.18-1.28 Particle diameter, mm 0.315-1.25 Pore diameter, nm 8-45 Surface area, m 2 /g 40-50 Porosity, ml/g 0.35-0.40 Maximum operation temperature , 120 The maximum operation temperature is 120 The catalyst (D005) is special for MTBE C5+Methanol : D005II (A-35) C6+Enthanol: A-15 (D005) The maximum operation temperature is 120 The catalyst (D005) is special for MTBE C5+Methanol : D005II (A-35) C6+Enthanol: A-15 (D005)

6. 2012/12/04 The reactor model Fixed-bed reactor swelling

7. 2012/12/04 The reactor model Expanded reactor a) Mathematical model b) The velocity of flow fluidization velocity, mm/s 4.3 The first reactor Volume flow rate, m 3 /h 58.53 (19.283.2) Diameter, m 2.5 velocity, mm/s 3.3 The second reacor Volume flow rate, m 3 /h 25.89 Diameter, m 1.7 velocity, mm/s 3.2

8. 2012/12/04 The influence factors Conversion (C5, C6) >90%? Outlet temperature The circulation ratio Diameter and Da Length Inlet temperature The ratio of methanol to isomers Who is fixed a) Create a function about all the influence factors, then seek for the optimal value based on the constrain conditions. b) Consider the factors individually, or several factors a) Create a function about all the influence factors, then seek for the optimal value based on the constrain conditions. b) Consider the factors individually, or several factors

9. The axial diffusion coefficient Applicable conditions: Reynolds number for the particle Re p : 10 -3 -10 3 Bed porosities: 0.4-0.8 The bed porosity is 0.35.

10. 2012/12/04 3.The next plans Deal with the puzzle above. Compile the code about the process. Distillation column: azeotrope (C4, C5, C6)