CCR PLATFORMING PDF
Continuous Regenerative (moving bed) CCR Platforming – UOP Process. In this process, three or four reactors are installed one on the top of the other. Our Garden City RF2 fans are perfect for Continuous Catalyst Regeneration in oil refineries. We set the standards for the chlorination and regeneration blowers. This course provides an overview of the CCR Platforming unit with a CycleMax or pressurized regenerator. The principles of catalyst regeneration and.
|Published (Last):||1 September 2010|
|PDF File Size:||6.85 Mb|
|ePub File Size:||6.23 Mb|
|Price:||Free* [*Free Regsitration Required]|
The overhead offgas product from the platfprming contains the byproduct methane, ethane, propane and butane gases produced by the hydrocracking reactions as explained in the above discussion of the reaction chemistry of a catalytic reformer, and it may also contain some small amount of hydrogen.
Also, not all refineries process the same crude olatforming and each refinery produces its own straight-run naphthas with their own unique initial and final boiling points. Such a unit is referred to as a semi-regenerative catalytic reformer SRR.
As the vaporized reactants flow through the fixed bed of catalyst in the reactor, the major reaction is the dehydrogenation of naphthenes to aromatics as described earlier herein which is highly endothermic and results in a large temperature decrease between the inlet and outlet of the reactor.
UOP CCR PLATFORMING
The latest and most modern type of catalytic reformers are called continuous catalyst regeneration CCR reformers. The catalyst regeneration process allows continuous regeneration of a controlled quantity of catalyst and is used for reforming applications by refineries. Petroleum Refining Technology and Economics 2nd ed. The hydrogen is also necessary in order to hydrogenolyze any polymers that form on the catalyst. The light reformate has lower octane and can be used as isomerization feedstock if this unit is available.
It can also be used to improve the octane rating of short-chained hydrocarbons by aromatizing them. Garden City Fans are designed with quality and total cost of ownership in mind; and with service centers around the world, we remain committed to provide the parts and service our customers need to mitigate downtime.
This means that the reformate should either be further processed in an aromatics extraction unit, or blended with appropriate hydrocarbon streams with low content of aromatics. Standard fan features include a custom fabricated monoblock bearing assembly, nitrogen purged Shaft Seal, and custom designed fan wheels with a focus on efficiency and reliability.
The resulting liquid—gas mixture is preheated by flowing through a heat exchanger. This quality assurance is integral to our leadership in the industry. Our catalyst regeneration process AMCA test laboratory continually conducts performance tests, sound measurement, and stress analysis to meet our current needs, as well as developing future products.
However, both the dehydrogenation of naphthenes and the dehydrocyclization of paraffins produce hydrogen. No one knows more about fan technology for the catalyst regeneration process in oil refineries than Howden.
The benzene extracted can be marketed as feedstock for the chemical industry. Catalytic reforming has a limited ability to process naphthas with a high content of normal paraffins, e. The dehydrogenation also produces significant amounts of byproduct hydrogen gas, which is fed into other refinery processes such as hydrocracking. This contributes both to costs and the emissions of the process. The manufacturing process is initiated by a testing and traceability procedure used to check the quality of the alloy rich materials used to fabricate your fans for conventional and high pressure catalyst regeneration process fans.
Continuous Catalyst Regeneration (CCR) Platforming.
Catalytic reformation is profitable in that it converts long-chain hydrocarbons, for which there is limited demand despite high supply, into short-chained hydrocarbons, which, due to their uses in petrol fuel, are in much greater demand.
The platformung again decreases across the second reactor and the vaporized stream must again be reheated in the third fired heater before it flows through the third reactor. Quality and performance is in our DNA Howden Garden City Fans was one of the first manufacturers to develop a product for the platforming process and has been a global market leader for over 40 years.
The liquid feed at the bottom left in the diagram is pumped up to the reaction pressure 5—45 atm and is joined by a stream of hydrogen-rich recycle gas. On the other hand, an excessive p,atforming could depress excessively the activity of the catalyst. Quality through engineering Our catalyst regeneration process Platforimng test laboratory continually conducts performance tests, sound measurement, and stress analysis to meet our current needs, as well as developing future products.
Please complete the fields below to get your copy. The process converts low-octane linear hydrocarbons paraffins into branched alkanes isoparaffins and cyclic naphtheneswhich are then partially dehydrogenated to produce high-octane aromatic hydrocarbons.
Toggle navigation contact us. As stated earlier herein, semi-regenerative catalytic reformers are regenerated about once per 6 to 24 months.
Brazilian Journal of Chemical Engineering. Views Read Edit View history. High pressure platformjng regeneration fans are very stable, typically with a minimum of 12mm thick casing, bracing on mm centers, rigid sub-base mounting, tight anchors on the inlet, and anvils in platforminb housing to resist forces. Our high temperature experts can advise you on modifying your present equipment for new applications or temperatures; in addition we can design new equipment for your changing operation.
Reformate can be blended directly in the gasoline pool but often it is separated in two or more streams. Fans for these applications are critical to the process and therefore need to be extremely reliable to minimize costly downtime.
Catalytic reforming is a chemical process used to convert petroleum refinery naphthas distilled from crude oil typically having low octane ratings into high-octane liquid products called reformateswhich are premium blending stocks for high-octane gasoline. That offgas is routed to the refinery’s central gas processing plant for removal and recovery of propane and butane. Our products are designed according to recognized global industry standards for the continuous regeneration process.
Today, the large majority of gasoline produced worldwide is derived from the catalytic reforming process. Owing to too many components in catalytic reforming process feedstock, untraceable reactions and the high temperature range, the design and simulation of catalytic reformer reactors is accompanied by complexities.
The lumping technique is used extensively for reducing complexities so that the lumps and reaction pathways that properly describe the reforming system and kinetic rate parameters do not depend on feedstock composition.