Production hcc produces pa by orthoxylene based process using the latest technology that guarantees high purity product. Basf offers over 140 years experience in phthalic anhydride pa production and 120 years in pa catalysts research. The commercial production 17 of phthalic anhydride by the catalytic oxidation of naphthalene accelerated progress in commercially manufactured alkyd resins. Proposed designation of phthalic anhydride as a high. Chemical properties of phthalic anhydride cas 85449 download as pdf file download as excel file download as 2d mole file predict properties. Oxidation of orthoxylene to phthalic anhydride using a.
Simulation and optimization of the process is done using the new pathway. Design of phthalic anhydride production process polyvinyl. This file contains additional information such as exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. Means of more effective utilization of industrialgrade naphthalene in phthalic anhydride production have been developed. Prior art keywords phthalic anhydride sulfuric acid catalytic impure distillate prior art date 19260121 legal status the legal status is an assumption and is not a legal conclusion.
Design of phthalic anhydride production process free download as pdf file. The process was simulated using the process simulator aspen plus. Basf offers over 5 years experience in phthalic anhydride pa production and 110 years in catalyst research. Preliminary calculations are done to be used later such as mass balance, density and molecular weight. For the purpose of the table, the latest version of the indian standards including the amendments issued thereof, as published and notified by the bureau from time to time, shall be applicable from the date of notification. Pdf simulation and optimization of the production of phthalic. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. Phthalic anhydride msds pdf section 1chemical product and company identification. Phthalic anhydride is widely used worldwide for an extremely broad range of applications spanning from the plastics industry to the synthesis of resins, agricultural fungicides and amines. Simulation and optimization of the production of phthalic anhydride. Read online phthalic anhydride msds pdf book pdf free download link book now. Production of phthalic anhydride download pdf info publication number us3112324a.
Moderately toxic by inhalation or ingestion and a skin irritant. Phthalic anhydride production we are continuing our evaluation of process alternatives for the production of phthalic anhydride via the catalytic oxidation of o xylene. Phthalic anhydride msds pdf pdf book manual free download. Manufacture of phthalic anhydride from oxylene or naphthalene download pdf. The first commercial process for ma production was put into use by national aniline and chemical in 1928. Petrotex also used their butenebased process in the early 1960s, which was later abandoned in favor. Phthalic anhydride msds pdf phthalic anhydride msds pdf phthalic anhydride msds pdf download. Pdf simulation and optimization of the production of. All books are in clear copy here, and all files are secure so dont worry about it. Phthalic anhydride, technical by bureau of indian standards. A process for the manufacture of phthalic anhydride by oxidizing oxylene. Che 455 fall 2009 major 1 phthalic anhydride production.
Asia is the largest consumer of phthalic anhydride for the production of plasticizers, accounting for twothirds of the phthalic anhydride consumed. Simulating the maleic anhydride production process using aspen hysys. Since phthalic anhydride is insoluble in most oils linseed, safflower, and the like but soluble in monoglycerides, the. Phthalic anhydride is used worldwide for an extremely broad range of applications spanning from the plastics industry to the synthesis of resins, agricultural. Phthalic acids and other benzenepolycarboxylic acids. It plays a role in how your page is seen by search engine crawlers, and how it appears in serps. Major 1 phthalic anhydride production background you work for an operating company that produces, among other products, phthalic anhydride via the partial oxidation of oxylene in a fixedbed catalytic reactor. Material balances design project production of phthalic anhydride from oxylene the most common method for production of phthalic anhydride is by oxidation of oxylene. Pa phthalic anhydride introduction pa is white crystallike flakes at room temperature and transforms into clear colorless liquid at melting point. Phthalic anhydride pan production in the united states in 1972 was 0. Pdf the main process to produce phthalic anhydride in the petrochemical plants is selective oxidation of oxylene within a fixed bed reactor. This white solid is an important industrial chemical, especially for the largescale production of plasticizers for plastics.
Phthalic anhydride appears as a colorless to white lustrous solid in the form of needles with a mild distinctive odor. China is the worlds largest consumer of phthalic anhydride for phthalate plasticizers. Production of phthalic anhydride from xylene slideshare. Phthalic anhydride 1 free download as powerpoint presentation. It used the weiss and downs process employing benzene as a raw material. Simulation and optimization of the production of phthalic anhydride from oxylene.
Us4077984a manufacture of phthalic anhydride from oxylene or. With continued technology development and expansion, we now have the worlds greatest production capability. Google has not performed a legal analysis and makes no representation as. Its production is currently based on the vapor phase oxidation of oxylene and naphthalene. Phthalic anhydride esters like dop, diop, dnp, didp etc. It is a cyclic dicarboxylic anhydride and a member of 2benzofurans. Two cases have been considered for the production of phthalic anhydride at different capacities and processes under a consistent u. Our pa plant is a manufacturing plant which opened for the first time in the republic of korea.
Phthalic anhydride is the cyclic dicarboxylic anhydride that is the anhydride of phthalic acid. Phthalic anhydride is used to manufacture materials such as artificial resins. Phthalic anhydride pa is used as the major ingredient in the manufacture of plasticizers, unsaturated polyester resin, paint and others. Maleic anhydride production is done using nbutane, pentane and pentene, benzene or propane as starting materials. Phthalic anhydride is not corrosive to skin per dot skin corrosivity testing at 48 hours intact, n6. Furthermore, production cost estimates have been generated for the production of orthoxylene. Partial oxidation pox processes and technology for clean fuel and chemical production. Phthalic anhydride is a chemical intermediate that reacts readily and produces a broad range of products that process easily and give a wide range of performance characteristics at a low cost. Making phthalic anhydride from phthalic acid youtube. Please find attached tds and msds compressed by zip file. Description download sifat fisis phthalic anhydride comments. However, its dust and vapors are irritating to moist skin and. Cdc niosh pocket guide to chemical hazards phthalic. Technoeconomic assessment of the production of phthalic.
Download phthalic anhydride msds pdf book pdf free download link or read online here in pdf. The chemical reactions for air oxidation of oxylene and naphthalene are as follows. It is an isomer of 3chlorophthalic anhydride and a derivative of phthalic anhydride. Phthalic anhydride is a principal commercial form of phthalic acid. Phthalic anhydride is used in the manufacture of plasticizers additives to polymers to give them more flexibility and polyesters, among other applications. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made available on a noncommercial basis, as it is the right of all humans to. A meta description is an html tag in the html code of your website, which allows you to customize a section of text that describes the page itself. Phthalic anhydride trends phthalic anhydride downstream application areas, such as construction, automotive and marine industries have been severely affected by the financial crisis, especially in europe and north america some plasticisers producers are looking at production of nonphthalate plasticisers, where pa is not needed as a. Phthalic anhydride is a white lustrous needles solid that is slightly soluble in water. It is used as a raw material for plasticizers, unsaturated polyesters, and other resins. Chemical and physical properties of phthalic anhydride. Introduction this report represents detailed calculations of design and sizing for the distillation column t 701 of the production of phthalic anhydride from xylene process. Isophthalic acid and trimellitic anhydride are made from m.
Production volume of phthalic anhydride in 2015, as reported to epa during the 2016 cdr reporting period, was between 500 million and 750 million pounds. The plant produces approximately 75,000 tonney of highpurity 99. Synthetic of phthalimides via the reaction of phthalic. Phthalic anhydride is usually used as a chemical median for the production of plastics from vinyl chloride. Table i 29 compares the costs of phthalic anhydride produced from naphthalene in both fixed and fluidized beds with that produced from axylene in a fixed bed reactor. The production of phthalic anhydride is approximately 20,000 tonsyear as required. Reactors and separations design project phthalic anhydride. This legacy forms a strong foundation for continuous innovation and product improvement. Pdf sifat fisis phthalic anhydride free download pdf.
Improving the production of phthalic anhydride from industrialgrade. Production of maleic anhydride from oxidation of nbutane. It was the first anhydride of a dicarboxylic acid to be used commercially. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed. I make phthalic anhydride from phthalic acid by heating. Logistics services are available in the united states.
Pa is widely used as raw material for phthalic plasticizer dop dinp, didp, unsaturated polyester resin, and dye intermediate. Phthalic anhydride is not considered a carcinogen in mice or rats per chronic oral testing at 105 weeks. Phthalic anhydride an overview sciencedirect topics. Synthetic of phthalimides via the reaction of phthalic anhydride with amines and evaluating of its biological. The nextlargest markets for phthalic anhydride outside of asia are western europe and the united states.
Report sifat fisis phthalic anhydride please fill this form, we will try to respond as soon as possible. It is known as an adaptable intermediate in chemical processes because it is bifunctional and readily available. Material balances design project production of phthalic. The exact aggregate production volume is available for one year, 2011, in which 600 million pounds of phthalic. Specification for phthalic anhydride, technical note. Maleic anhydride and other oxidizable impurities % 0. United states prior art keywords naphthalene phthalic anhydride zone vapors column prior art date 196001 legal status the legal status is an assumption and is not a legal conclusion.
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