A 19 KBPD commercial Catalytic Reforming Unit using a 4-bed stacked reactor for the production of BTX has been simulated. The underlying chemistry of Catalytic Reforming on noble metal-loaded acid catalysts is modeled by means of a computer-generated reaction network consisting of 50,000+ elementary steps and containing 4,700 species within the C1 - C10 carbon range. The Single-Event Kinetics approach allows the reduction in the number of independent kinetic parameters to 44. Material and Energy conservation equations are applied to formulate a model for the radial flow of species in a packed-bed adiabatic reactor. The resulting model also accounts for pore diffusion limitations and catalyst deactivation by coke formation. Equilibration of fast elementary steps such as alkene (de)protonations and methyl-/Ethyl- shifts lead to a reduction in the number of non-intermediate species from 326 pure species to 68 groups of isomeric species in equilibrium, making the resulting number of compound species suitable for process simulation purposes. Molecular reconstruction of naphtha cuts by group contributions from typical operational follow-up data such as specific gravity, C/H elemental analysis and GC simulated distillation is applied to predict the most likely composition of the feedstock. By their very essence, the Single-Event Kinetic parameters are invariant from the naphtha composition. This enabled a series of simulations for different blends from a pool of 62 naphtha cuts aiming to maximum Hydrogen and BTX production.
F&PD Members: Simply click on “click here to buy this archived webcast ” below and your ‘0’ price will appear in your shopping cart.
Would you like to access this content?
No problem. You just have to complete the following steps.
You have completed 0 of 2 steps.
You must be logged in to view this content. Log in now.
Purchase Technical Presentation
You must purchase this technical presentation using one of the options below.
If you already purchased this content recently, please click here to refresh the system's record of ownerships.
|Credits||0.5 Use credits|
|List Price||$25.00 Buy now|
|AIChE Members||$15.00 Buy now|
|AIChE Fuels and Petrochemicals Division Members||Free Free access|
|AIChE Undergraduate Student Members||Free Free access|
|AIChE Graduate Student Members||$15.00 Buy now|