Uop, oleflex process brochure, uop oleflex process for propylene production. This shift in ethylene production has caused a propylene supply gap. Ethanes emergence as a cost advantaged feed for ethylene production has led to reduced propylene availability from steam cracking. The extent of side reactions in propane dehydrogenation over ptsnal2o3 catalyst was studied. The low dispersion of a pt particle at the support surface and sintering of pt nanoparticles under the harsh reaction condition are the. Propylene has been mostly produced as a by product of refinery. The process operates at optimum reactor pressure and temperature to maximize conversion of propane for a high yield of propylene. Oxidative dehydrogenation of propane for propylene. It is used in the production of a wide variety of petrochemical products such as polypropylene. This behavior leads to highly selective propylene production, with more. Compared to other opp technologies, odh of propane results in the most direct and selective route to propylene.
The result has been a focus on increasing propylene stocks with onpurpose production, and, as shown in figure 1, onpurpose propylene technologies such as propane dehydrogenation pdh. Develop a kinetic model for propane dehydrogenation. This book discusses the surroundings of the propylene production via propane dehydrogenation, in a technical process and economical point of view. The present work was aimed at analyzing the thermodynamic propane dehydrogenation of propylene, using gibbs free energy minimization with actual temperature and pressure data found in the literature.
Catalytic oxidative dehydrogenation of propane to propylene. Onpurpose production of propylene has become more attractive as less costly supplies from traditional sources become inadequate to meet projected demand. Pdf propane dehydrogenation pdh is the extensive pathway to. Catalytic dehydrogenation of isobutane and propane the catalytic dehydrogenation of isobutane and propane are important reactions used commercially for the production of isobutylene and propylene, respectively. Propane dehydrogenation pdh fives in cryogenics energy. Pdf dehydrogenation of propane to propylene using promoter. The ultrahigh purity propylene product produced by the oct process exceeds polymergrade specification and offers potential operating cost savings in downstream polypropylene plants. Propylene is one of the main building blocks for petrochemicals and for clean fuel alkylate blends. The results showed that the extent of side reactions strongly depends on. In this article a description about different processes which are commercialized to produce propylene via propane dehydrogenation were presented. Catalytic oxidative dehydrogenation odh of propane is a promising opp technology for propylene production. Propylene is the raw material for plastic polypropylene, which is a common component mainly used in the. Propene is also used for the production of important chemicals such as propylene oxide, acrylonitrile, cumene, butyraldehyde, and acrylic acid.
In this report, the production of propylene through the dehydrogenation of propane is. This behavior leads to highly selective propylene production, with more than 95% of propylene selectivity, due to the complete suppression of the. The difference between propane propylene pricing mentioned in below diagram, drives project economics. Propylene has traditionally been recovered as byproducts of petroleum and. Propylene production by propane dehydrogenation pdh. Propylene manufacture via propane dehydrogenation similar to uop oleflex technology. They use a clear helpful language, give complete informations from process technology overview and description to cost estimates and comparing scenarios. Chinas largest propane dehydrogenation unit using honeywell uop technology. Pdf propylene production by propane dehydrogenation pdh. A process for the dehydrogenation of paraffins is presented. Select dehydrogenation of propane using an improved dehydrogenation catalyst, 10th ethylene producers conference, american institute of chemical engineers, december 1998. The process comprises preheating a combined hydrogen and paraffin hydrocarbon feedstream and passing the combined stream to a dehydrogenation reactor. As with ethylene cracking, this has led to plans to increase the capacity for processing propane into propylene at propane dehydrogenation pdh. The catofin propane dehydrogenation process is a commercially proven, fixedbed process for the production of propylene from propane.
Excel file with data from the supplemental analyses ordered. Propylene production via propane dehydrogenation by. Propane dehydrogenation onpurpose production of propylene from propane produces propylene and hydrogen typically pt or cr based systems catalyst propane c3h8. Abstract process economics program report 267 propylene production october 2008 propylene has traditionally been recovered as byproducts of petroleum and petrochemical operations. Catalytic dehydrogenation of propane over a ptbased catalyst to propylene has received considerable interests in recent years because this route is able to provide an economical and efficient way to fill the gap between supply and demand in propylene market. Pdf oxidation of propane and propylene to acrylic acid. Propylene production via propane dehydrogenation by chemical engineering january 1, 2014 propylene is the second most important intermediate in the petrochemical industry after ethylene, and its global demand is dominated by the production of polypropylene. This study aims to investigate a sustainable process design approach to onpurpose propylene production. Advanced catalytic dehydrogenation technologies for. Five of these plants will be located on the texas gulf coast the center of the worlds chemical industry. Catalytic paraffin dehydrogenation for manufacturing olefins is considered to be one of the most significant production routes in the petrochemical industries. This paper will give an overview of advances in the catalysis science and technology for production of olefins by catalytic dehydrogenation, including the concomitant removal of h2 by selective oxidation. At the same time, propane availability has driven both north american investment in onpurpose propylene production via pdh and expansion of propane export capability which has supported pdh. This paper has an extended abstract file available.
Dehydrogenation of propane to propylene using promoter. Reaction byproducts mainly hydrogen are usually used as fuel for the propane dehydrogenation reaction. To address this supply gap, there is active research on alternative opp technologies. The catofin catalytic dehydrogenation process features a parallel adiabatic fixedbed reactor system that can be designed for the production of propylene from propane. Type of reactor model used in the present study, all the chemical reactions possibly. Uop light olefin solutions for propylene and ethylene. Propylene could also be generated in fcc units but its yield is relatively low. Onpurpose production of propylene includes propane dehydrogenation, olefin metathesis, selective butylenes c4s and carbon cuts c5 olefin cracking, methanoltoolefins including methanolto propylene and enhanced fcc processes. Here, we report the oxidative dehydrogenation of propane by oxygen in the presence of hydrogen chloride. Studies on propane dehydrogenation to propylene in a gas. One of the major applications of isobutylene is as a feedstock in the manufacture of methyl tertiary butyl ether mtbe. The influence of operating conditions on product selectivity iranian journal of chemical engineering, vol. Because natural gas supplies are significantly increasing due to the rising exploitation of shale gas, mainly in the u.
Sensitivity analysis will provide a tool that is useful in the optimization of. Production of polypropylene pp or propylene oxide po from propane. Simulation and performance analysis of propylenepropane. Propene and benzene are converted to acetone and phenol via. For light paraffin dehydrogenation, uop has licensed the. Simulation of propane dehydrogenation process using inhouse software was reported by chin et al.
Catofin and oleflex technologies for the production of propylene from. Page 1 routes to obtaining propylene from propane, instead of from crude oil, are becoming more interesting because of the increased use of. Propylene production via propane dehydrogenation chemical. Dehydrogenation of propane to propylene over ptsnal2o3 catalysts. Shaping the future of onpurpose propylene production. Propylene production via metathesis cost analysis abstract this report presents a cost analysis of polymer grade pg propylene production from ethylene and raffinate2. Uop light olefin solutions for propylene and ethylene production whether you have traditional feedstocks such as propane or naphtha, or alternative feedstocks, such as coal, natural gas or petcoke, uop has the solution to help you make onpurpose propylene and ethylene at low cash cost of production. Oxidative dehydrogenation of propane to propylene in the. An fel1 level analysis was performed on the various technologies used to produce onpurpose propylene and it was determined that propane dehydrogenation pdh was the. In the year 20 about 85 million tonnes of propene were processed worldwide. Demonstrates that the propylene production was responsive to all three.
Oxidative dehydrogenation of propane in the presence of carbon dioxide odpc is a sustainable approach and an attractive catalytic route for propylene production with less environmental footprint than the conventional oxidative dehydrogenation path with oxygen. Propane dehydrogenation pdh is a process step in the production of propylene from propane. Dehydrogenation of propane to propylene over ptsnal2o3. Propylene production from propane by the catofin process. This has driven the implementation of several projects using available propane dehydrogenation commercial technology. The remainder of propylene is produced using onpurpose technologies such as propane dehydrogenation pdh and metathesis. The process utilizes a rapid recycling of dehydrogenation catalyst between the dehydrogenation reactor and the catalyst regeneration unit. Kinetic parameters are estimated using experimental data from 1. The oxidative dehydrogenation of propane is an attractive reaction for propylene production, but the overoxidation leads to low propylene selectivity at considerable propane conversions. Us8624074b2 reactor flowscheme for dehydrogenation of. Propane dehydrogenation over pt clusters localized at the. Propane dehydrogenation could give a high yield of propylene but the feedstock is only cost effective during limited periods of the year, making the process expensive enough to limit the production of propylene.
They use a clear helpful language, give complete informations from process technology overview and description to. The production of propene has under gone a significant change since the 1990s as new onpurpose technologies have been commercially applied in addition. Propylene production and manufacturing process icis. In this example, we propose a simplified model for the catalytic dehydrogenation of propane to propylene on a ptsnal2o3 catalyst. Propane dehydrogenation the company uop developed an innovative propane dehydrogenation pdh process able to. Several side reactions such as cracking, aromatization and hydrogenolisis were considered in the.
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