With changes in crude prices and the increased global production of heavy crude oil, refineries need to look toward other processes and technology to boost their global competitiveness. Residue hydrocracking solutions for refinery sustainability refcomm galveston april 29 may 3, 2019. No matter which you use, the residue hydrocracker process and technology. Residue hydrocracking process robust, costeffective solution for residue conversion introduction the uniflex mc process converts vacuum residue and other heavy feedstocks into highervalued distillable products. In cracking automobile and jet fuel increased, hydrocracking was applied to petroleum refining. The process of claim 40, wherein the fourth resid hydrotreating catalyst contained in the lower portion of the reactorstripper comprises one or more of a. This research work targeted to optimize the hydrocracking process by integrating the pump. Novel ebullated bed residue hydrocracking process energy.
Hydrotreating and hydrocracking process technology. With this technology, preem will produce 100% ultralow sulfur products from their vacuum residue. Utilising the companys process planning modelling capabilities, clg quickly evaluated multiple potential. Residue hydrocracking solutions for refinery sustainability. Residue hydrocracking for value addition digital refining. The extruded catalyst comoal 2 o 3 with the diameter of 0. Ebullating bed resid ebr for bottoms cracking and upgrading uses dcs, ecad, ls, hsls, and hcrc series solutions.
In this report, we cover slurryphase hydrocracking technology for upgrading vacuum residue and the production economics thereof. The most important technology selection criteria were robustness proven through commercial experience and the ability of the licensor to deliver finished products from residue hydrocracking through integration of appropriate technologies. We then develop process economics for two bitumen upgrading processes that both integrate hydrocracking with. Robust lcfiningebullated bed residue hydrocracking technology platform gas bubbling up in expanded catalyst bed feed and hydrogen products recycle. This high conversion slurry hydrocracking technology combines elements of several commercial technologies. Enis slurry technology est, together with topsoes downstream upgrading technology, enable both existing as well as grassroot refineries to convert any kind of heavy residue to any kind of highvalue transportation fuels. Petroleum downstream crash course 23 hydrocracking. Residue hydrocracking has been attracting more and more attention to the refining industry in recent years, and one of the best approaches is ebullated bed residue hydrocracking ebrh. Catalysts employed in residue hydrocracking tolerate the metal impurities and the asphaltenes present in the feedstocks. In this effort, chevron lummus global clg is involved in operating dozens of pilot plants and micro units.
A visbreaker thermally cracks large hydrocarbon molecules in the oil by heating in a furnace to reduce its viscosity and to produce small quantities of light hydrocarbons lpg and gasoline. Hydrocracking is an extremely versatile process that can be utilized in many different ways, and one of the advantages of hydrocracking is its ability to break down highboiling aromatic stocks produced by catalytic cracking or coking. Uops uniflex mc process is a slurry hydrocracking process which achieves the highest conversion and produces the maximum naphtha and diesel yield compared to other residue conversion technologies. We also provide the pretreatment catalysts that are vital to preserving the function of the main cracking catalysts. The hsls catalyst technology has been extremely successful for a wide variety of feedstocks, and allows very high flexibility to maximize resid conversion most economically with low catalyst addition rate. To take full advantage of hydrocracking, the process must be integrated in the refinery with other process units. Petroleum downstream crash course 23 hydrocracking fundamentals. The purpose of this collaboration is to offer solutions for all endcustomer training solution needs for operating residue hydrocracking.
Catalytic petroleum refining process convert heavy, high boiling point hydrocarbons into more valuable smaller, low boiling hydrocarbons. Hydrocracking technology free download as powerpoint presentation. Clgs lcfining process is the preeminent vacuum residue hydrocracking process vr hcr in the world with over 460 kbpsd of licensed capacity, 240 kbpsd of which has been placed in. What is hydrocracking technology in petroleum refining. More specifically, embodiments disclosed herein relate to solvent deasphalting of a residuum hydrocarbon feedstock, processing the resulting deasphalted oil in a residue desulfurization unit and a residue hydrocracking unit, and processing the pitch from the solvent deasphalting in a separate residue hydrocracking unit. Chevron lummus global, neste engineering solutions enter.
This is an established and reliable method for transforming low value heavy oil fractions into higher value products. Residue hydrocrackings main advantage is that its unconverted residue product is typically much higher in value than coke. Changes in crude oil quality and product demand have shifted the commercial importance of this technology to include pretreating of downstream conversion unit feedstocks, typically for residue fluidised catalytic cracking rfcc to minimise catalyst replacement costs or even for residue hydrocracking processes to upgrade residue streams to productgrade qualities. A 5,000 bpd canmet hydrocracking process demonstration unit was designed and built for petrocanadas montreal refinery. Hydrocracking technology cracking chemistry hydrogenation.
Utilising the companys process planning modelling capabilities, clg quickly evaluated multiple potential technologies and technology platforms after pinpointing. Their revamp option allows to obtain a high conversion of vacuum residues. In the process, the residue feed and h 2 are fed into the bottom of the reactor and flow upward to contact with the catalysts in the bed. Also in this article, it was highlighted that clg has responded to these requirements with new residue hydrocracking technologies built on the lcfining technology and reactor platform.
Chevron lummus globals clgs lcfining process is the preeminent vacuum residue hydrocracking process vr hcr in the world with over 460 kbpsd of licensed capacity, 240 kbpsd of which has been placed in operation in the last 9 years. Chevron lummus global, neste engineering solutions enter into. The uniflex mc process converts vacuum residue and other heavy feedstocks into highervalued distillable products. Generally, residue hydrocracking is carried out at relatively higher temperature compared to distillate hydrocracking. Resid hydrocracking processes heavier feeds to maximize diesel production. Compared with traditional technologies, the present refineries face several. The attractiveness of ebullatedbed hydrocracking as a technology solution for refiners has been enhanced by the recent trend for greater vacuum residue vr feed processing flexibility, which leads to improved refinery crude diversification economics.
Sturgeon refinery, which implements ebullated bed hydrocracking to converts the vacuum residue into intermediates, to realize a full conversion of bitumen15. These technologies are well established and have proven to be efficient and reliable processes. This unit was commissioned in 1985 and was used to verify the reactor design parameters, the accuracy of performance prediction models and the suitability of materials of. In addition, lcfining units have been able to achieve the highest residue conversion. Kbr delivers innovative and costeffective refining technologies that help operators stay competitive. However, conventional hydrocracking solutions like fixed bed and ebullated bed technologies suffer from limitations on feedstock quality as well as problems related to residue stability that limit the maximum conversion achievable.
Convert lcfining technology to lcmax technology or hybrid slurry. Optimal refinery steam cracker complex only mcdermott can provide all technologies and offer overall complex guarantees chemical yields, onstream factor. The hoil rc rc stands for resid cracking process uses ebullatedbed hydrocracking technology to process heavy feedstock residues atmospheric and vacuum residue with high metals, sulfur, nitrogen, asphaltenes and solid contents. Isocracking produces high quality jet and diesel fuels and heavy naphtha suited for catalytic reforming. The process name of visbreaker refers to the fact that the process reduces i. Additionally, recent world events have resulted in reduced capex and thereby increased focus on hydrocracking catalyst and knowhow solutions. Strong ebullated bed residue hydrocracking uses a new type of reactor, and a 50 kta demonstration unit has been put into operation now. Slurry hydrocracking offers the maximum amount of upgrading and produces zero fuel oil. Process technology for improved refinery crude diversification economics.
Mphc chevron lummus global llc hydrocracking, resid axens hydrocracking, residue. The benefits of residue hydrocracking are many as evident with industry now selecting this technology at similar levels to thermal conversion technologies. Refineries must improve the process technology used for hydrocracking of heavy feeds into valuable. Lc fining is clgs ebullating bed residue hydrocracking process, which provides. Clg, a 5050 joint venture jv between chevron usa inc. Fining reactors and process conditions, plus full separation of the catalyst from the. The agreement will cover all the residue hydrocracking technologies of chevron lummus global, for example lcfiningtm, lcmax, lcslurry. The main advantage of the slurrybased process is that it can process a variety of feedstocks from refinery residue with more than 90% conversion.
Therefore, residue hydrocracking requires different types of catalyst. Preems decision to explore adding a residue hydrocracking plant at lysekil comes amid potential impacts from new rules that require lower sulfurcontent specifications for bunker fuels in 2020. Our licensed technology can be found in more than half the worlds fluid catalytic cracking fcc units, a majority of resid upgrading units, and more than 100 hydroprocessing units around the world. These products can be monetized directly as fuels, or provide excellent petrochemical complex feedstock.
Hydrocracking technology plays a major role in meeting the need for cleanerburning fuels, effective feedstocks for fcc and petrochemical operations, and high quality lubricating oils. Clg lcslurry technology selected for residue conversion. This process also has the flexibility to use nonstandard feeds, such as heavy coker gas oil hcgo and deasphalted oil dao. This is generally a more demanding hydrotreating process, but is. Residue hydrocracking mechanism 92 reaction kinetics 94 hydrocracking thermodynamics 96 development of catalysts for slurryphase hydrocracking 97 oilsoluble catalyst 97 watersoluble catalyst 98 process variables in hydrocracking 99 slurryphase hydrocracking process conditions 101. The hoil process uses ebullatedbed hydrocracking technology to process heavy feedstock residues such as vacuum gasoils vgo, deasphalted oils dao, coal derived oils, atmospheric and vacuum residue with high metals, ccr, sulfur, nitrogen, asphaltenes and solid contents that can cause rapid catalyst fouling and contamination. Pep report 211c hydrocracking by slurry process ihs markit.
Chevron lummus global lcslurry technology for vr upgrade. This is due to the technology evolvement into a refinery leading reliable process that obtains the highest conversion and liquid yield levels. Amongst hydrogen addition technologies, the principal ones are residue desulphurisation technologies ards, vrds, ufr, and ocr and residue hydrocracking technologies such as lcfining. Ebullated bed reactors are a type of fluidized bed reactor that utilizes ebullition, or bubbling, to achieve appropriate distribution of reactants and catalysts. This process also has the flexibility to use nonstandard feeds, such as heavy coker gas. This process employs hydrogen gas to improve the hydrogencarbon ratio in the cracked molecules and to arrive at a broader range of end products, such as gasoline, kerosene used in jet fuel, and diesel fuel. Hydrocracking is a process that breaks down complex hydrocarbon molecules into simpler ones by using a catalyst and an elevated partial pressure of hydrogen gas. The ebullated bed residual oil hydrocracking is a wellestablished technology wherein the vacuum residue vr of crude oil is converted into light valuable oils. Eni slurry technology, est incorporates a dispersed slurry catalyst to promote the upgrading reactions and to reduce the coke formation16.
Hydrocracking of heavy oils and residua chemical production. This technology possesses excellent hds, hdm and hydrocracking hcr performance. The lcmax reaction platform see figure 2, built on the proven lcfining technology platform, is based on the philosophy that eliminating the heaviest asphaltenes from the conversion process effectively eliminates the most common and persistent fouling issues related to residue hydrocracking while at the same time significantly reducing. Hydroprocessing hydrotreating hydrocracking samson. Catalytic petroleum refining process convert heavy, high boiling point hydrocarbons into more valuable smaller, low. Canmettm hydrocracking process, uop unicrackingtm process. Feb 16, 2017 the process of claim 40, wherein the first and second hydrocracking reaction zones are operated at an overall residue conversion in the range from about 50 wt % to about 85 wt %. The attractiveness of ebullatedbed hydrocracking as a technology solution for. This high conversion slurry hydrocracking technology combines elements of several commercial.
Aug 07, 2014 more specifically, embodiments disclosed herein relate to solvent deasphalting of a residuum hydrocarbon feedstock, processing the resulting deasphalted oil in a residue desulfurization unit and a residue hydrocracking unit, and processing the pitch from the solvent deasphalting in a separate residue hydrocracking unit. Historically, residue hydrocracking has had a slight capital cost premium and required more hydrogen because all products, including the bottoms, are hydrogenated. The isocracking process is often used in conjunction with residue hydrocrackingemploying the lcfining, lcmax and lcslurry technologiesor with delayed coking. Hcrc the hcrc catalyst platform offers ultrahigh hds activity for ebr hydrocracking. In fact, mogas works with licensors of fixedbed technology to improve the performance of valves in isolation applications to make the hydrocracking process safer and more efficient. Uop hydrocracking technologylong history, sustained innovation. Ebr systems provide contaminant removal central to control of sediment formation and maximum desulfurization activity for transportation fuel specifications. Mogas experience with the process is almost as broad as the technology itself. It is a proven technology for converting residue oil into high value products. Advances in residue hydrocracking digital refining. Uop hdc unibon process hydrotreating and hydrocracking uop hc hydrocracking uop unicrackingtm process.
The hydrocracking process is overall exothermic, it is necessary to control this. Nov 19, 2018 chevron lummus global, neste engineering solutions enter into collaboration on residue hydrocracking technologies chevron lummus global clg and neste engineering solutions have signed a collaboration agreement regarding napcon operator training simulators for residue hydrocracking technologies. Canmet tm hydrocracking process, uop unicracking process, uop unionfiningtm process, and employs highactivity. Hydrocracking of residual oils mainly increases the production of high quality. This pep report provides an overview of the heavy oil hydrocracking process, feed and product supply and demand, hydrocracking chemistry, catalysts and hardware technology since pep report 228, refinery residue upgrading, issued in 2000. Crucial points of strong residue hydrocracking are proposed physical and. A process for upgrading residuum hydrocarbons and decreasing tendency of the resulting products toward asphaltenic sediment formation in downstream processes is disclosed. Refining community residue hydrocracking solutions for. Axens hydrocracking chevron lummus global llc hydrocracking. Isocracking, offered by chevron lummus global clg, a joint venture between mcdermotts lummus technology and chevron u. Both units have been designed to process a similar feed. Lcmax and lcslurry high conversion residue hydrocracking. The use of membrane technology for the removal of light ends from the recycle gas has proven to be a low.415 1539 310 64 1061 622 679 795 46 1265 1258 1123 1005 767 1482 1497 902 915 1296 867 981 515 535 394 1015 428 1000 187 1425 879 674 986 1146 239 742 425 255 248 294 809 382 918 166 312 878 930 1019 28