Reporter: Supervisor: Lyu Wenjun Xin Feng
2012/12/04 contents 1. The raw material and process flow diagram 2. The reactor 3. The next plans
2012/12/04 1. The raw material Component mass fraction Component mass fraction Component mass fraction METHANOL METHYL-1- BUTENE METHYL-2-PENTENE BUTENE PENTENE METHYL-1-PENTENE4.451 CIS-2-BUTENE1.763CIS-2-PENTENE METHYL-CIS-2-PENTENE1.614 TRANS-2-BUTENE1.822TRANS-2-PENTENE METHYL-CIS-2-PENTENE0.42 N-BUTANE METHYL- BUTANE METHYL-TRANS-2- PENTENE ISOBUTANE1.029N-PENTANE METHYLCYCLOPENTENE2.417 CYCLOPENTENE0.92 METHYL- ISOBUTYL-ETHER METHYLCYCLOPENTENE METHYL-1,3- BUTADIENE HEXENE1.8692,3-DIMETHYL-BUTANE PENTYNE0.388CIS-2-HEXENE1.717N-HEXANE6.106 CYCLOPENTANE0.18TRANS-2-HEXENE ETHYL-1-PENTENE METHYL-1- BUTENE 3.67 METHYLCYCLOPE NTANE ETHYL-1-PENTENE METHYL-2- BUTENE METHYL-1- PENTENE 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.
2012/12/04 Process flow diagram MATLAB ASPEN+MATLAB
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 Wet true density, g/m Particle diameter, mm Pore diameter, nm8-45 Surface area, m 2 /g40-50 Porosity, ml/g 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)
2012/12/04 The reactor model Fixed-bed reactor swelling
2012/12/04 The reactor model Expanded reactor a)Mathematical model b)The velocity of flow fluidization velocity, mm/s4.3 The first reactor Volume flow rate, m 3 /h58.53 (19.28×3.2) Diameter, m2.5 velocity, mm/s3.3 The second reacor Volume flow rate, m 3 /h25.89 Diameter, m1.7 velocity, mm/s3.2
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
The axial diffusion coefficient Applicable conditions: Reynolds number for the particle Re p : Bed porosities: The bed porosity is 0.35.
2012/12/04 3.The next plans Deal with the puzzle above. Compile the code about the process. Distillation column: azeotrope (C4, C5, C6)