Phthalic anhydride reaction design software

The reactions are sometimes slow, but can become violent when local heating accelerates their rate. Simulation and optimization of the production of phthalic anhydride. Simulation and optimization of the production of phthalic. The production of phthalic anhydride is approximately 20,000 tonsyear as required. Buy high purity phthalic anhydride solution analytical standards from chem service inc. Catalysts, kinetics, and reactor design in phthalic anhydride synthesis. It can be used as phthalate plasticizers and alkyd resins for surface coatings while its smaller volume applications include pigments, dyes. Phthalic anhydride reacts exothermically with water. Maleic anhydride is produced via nbutane partial oxidation. This reaction can be carried out heterogeneously using a solid catalyst. Determine just three rate parameters for methanol reactor for your own catalyst, six for phthalic anhydride and nine for acrylonitrile reactors.

Phthalic anhydride was first reported in 1836 by auguste laurent. Technical data were collected from various sources such as patents and manuals. Sneesby, 1998, chemical engineering design project. Modeling of a fixedbed reactor for the production of phthalic. In this reactor, essentially 100% of the oxylene is reacted.

Furthermore, reaction design does not warrant, guarantee, or make any representations regarding the use or the results of the use, of the software or documentation in terms of correctness, accuracy, reliability or otherwise. See a whole new view to help you gain key insights into kinetics dependencies, chemkinpro includes the reaction path analyzer. The main reaction of interest is the partial oxidation of cumene to produce phthalic anhydride. Reactors and separations design project phthalic anhydride. Our pa plant is a manufacturing plant which opened for the first time in the republic of korea. We have information on a new proprietary catalyst that we would like you to use see appendix v. Material balances design project production of phthalic anhydride. It can be seen that two main products i and ii were obtained which corresponded to the two groups of solvents, respectively, with and without w ater indica ting the signif icant effect of water. Phthalic anhydride is obtained from oxidation of oxylene or naphthalene in presence of a catalyst usually a vanadiumtitanium pentoxide. Most goes to form phthalic anhydride, but some complete and incomplete combustion of oxylene. The polymath program to calculate the trajectories is shown in table r8.

I make phthalic anhydride from phthalic acid by heating. Phthalic anhydride sds msds sheet of manufacturers, usa. Simulation and optimization of the production of phthalic anhydride from oxylene. Effective simulation of the underlying detailed chemistry is often critical for costeffective design of systems with reduced pollutant emissions or undesired byproducts. Technoeconomic analyses of specific phthalic anhydride production processes, presenting capital investment breakdown, raw materials consumed and operating costs. However, since the ufl of phthalic anhydride is higher than that of. In addition to the thermodynamics research center trc data available from this site, much more physical and chemical property data is available from the following trc products.

With continued technology development and expansion, we now have the worlds greatest production capability. Incompatible with acids, strong oxidizing agents, alcohols, amines, and bases. Early procedures involved liquidphase mercurycatalyzed oxidation of naphthalene. Readytouse design packs complete design packs for key. Modeling of a fixedbed reactor for the production of phthalic anhydride. The plant is designed to produce maleic anhydride by the reaction of butane with oxygen using the vanadium phosphorus oxide as a heterogeneous catalyst vpo and also the byproducts are carbon. No agent of reaction design is authorized to alter or exceed the warranty obligations of reaction design as set forth herein. Chemsystems perp program report abstract phthalic anhydride. Phthalic anhydride pa is used as the major ingredient in the manufacture of plasticizers, unsaturated polyester resin, paint and others. The chemical reactions for catalytic oxidation of oxylene is as follows. Reactor volume using simple reaction rate expression. Separations and reaction engineering design project phthalic.

Phthalic anhydride ghs sds msds sheet of manufacturers suppliers exporters, used in oil well drilling fracturing fracking, houston midland texas, usa. Simulation of oxylene oxidation into phthalic anhydride. The modern industrial variant process instead uses vanadium pentoxide v 2 o 5 as the catalyst in a gas phase reaction with naphthalene using molecular oxygen. Simulation and optimization of the process is done using the new pathway. Phthalic anhydride solution analytical standards 85449. The reactor types that you should consider are a packed bed and a fluidized bed. The chosen technology for the oxidation sections and unreacted nbutane recycle is duponts.