Ebullated bed residue hydrocracking is a wellproven technology that creates value from even the most challenging residue feeds. Us7279090b2 integrated sda and ebullatedbed process. In late 2015, lukoil neftochim burgas of bulgaria has successfully started up an ebullated bed hydrocracker the hoil process licensed by axens. Simplified ebullatedbed process with enhanced reactor. These feeds typically contain metals, ccr, nitrogen or suspended solids that cause rapid catalyst fouling and contamination. Axens is a worldwide group that provides a complete range of solutions for the conversion of oil and biomass to cleaner fuels, for the production and purification of major petrochemical intermediates as well as for gas treatment and conversion options. Conversion levels range from low conversion to above 80% depending on the refinery scheme. The ebullation also prevents any pressure drop as in the case of a fixed bed. The heavyends upgrader combines a 47,000 bd hoilrc ebullatedbed vacuum residue hydrocracker and a 37,000 bd hyk single stage, highconversion hydrocracker to produce a highquality slate of. The bottom of the column residue is recycled directly to the fractionation column. The hoilrc rc stands for resid cracking process uses ebullatedbed hydrocracking technology to process heavy feedstock residues atmospheric and. Larry wisdom managing director wisdom consulting llc. Shell currently operates both types of ebullated bed unit licensed technologies. Axens is an established name in hydrocracking licensing with more than 40 years experience in all types of hydrocracking processes.
Axens has presented three separate case studies involving the addition of a 54. Resid hydrocracking residue, residual, residuum, hydrocracker and its variations are trademarked by several licensors and are known by various names. Shell currently operates both types of ebullatedbed unit licensed technologies. The world leader in unique catalysts and technologies that. Request pdf on jan 1, 2019, hong duc nguyen and others published laboratory and commercial investigation of ebullated bed residue hydrocracking performance during processing of urals crude.
Hoil ebullatedbed residue hydrocracking technology originally developed by axens. Heavy oil upgrading environment market and technology. Ecopetrol selects axens hydrocracking and coker naphtha hydrotreating technologies. A great number of the latest oiltochemicals projects worldwide are based on the ebullatedbed hydrocracker hoil coupled with diesel and vgo hyk technolologies licensed by axens which stands for the heart of the conversion in these schemes, converting the most refractory and the lowest value cut, the vacuum residue, towards naphtha and. Second generation ebullated bed technology, jpi petroleum refining conference, tokyo, japan, october 1994. In ebullatedbed units, the conversion of 1050fplus 566c. A great number of the latest oiltochemicals projects worldwide are based on the ebullated bed hydrocracker hoil coupled with diesel and vgo hyk technolologies licensed by axens which stands for the heart of the conversion in these schemes, converting the most refractory. Process leader of residue hydrocracker with ebullated bed technology. Delayed coking has become a popular residue upgrading technology and the number of refineries utilising it far exceeds the number of refineries utilising ebullated bed hydrocracking. The hoil ebullated bed conversion technology is commercially proven with nine commercially operating ebullated bed reactor units. The ebullated bed is operated with the withdrawal of spent catalyst and the daily addition of fresh catalyst in order to keep the activity of the catalyst stable. The 80,000 bpd hydrocracker will process a blend of straightrun vacuum gasoil and cracked gasoil in order to produce high quality middledistillates and to improve the fcc feed quality. Bulgarian refinery to upgrade with axens technology. We lead the industry in catalysts that are used for residue upgrading in both fixed and ebullated bed reactors.
Fuel processing technology, 35 1993 28 21 elsevier science publishers b. This invention relates to a novel integrated method for economically processing vacuum residue from heavy crude oils. For single stage hydrocracking, either the feedstock must first be hydrotreated to remove ammonia and hydrogen sulfide or the catalyst used in the single reactor must be capable of both hydrotreating and hydrocracking. This is accomplished by utilizing a solvent deasphalter sda in the first step of the process with a c 3 c 4 c 5 solvent such that the dao product can thereafter be processed in a classic fixedbed hydrotreater or hydrocracker. Box 169, east orleans, ma 02643 usa received september 25, 1992. Ebullated bed hck in ebullated bed hck, axens solutions proposes a portfolio of technology licenses, catalysts, adsorbents and services such as consulting, software or operations support to respond to your operational needs. In the ebullatedbed reactor, the catalyst is fluid, meaning that it will not plugup as is possible in a fixed bed. This results in a high net bed activity, which does not vary with time. Pdf on may 15, 2015, dicho stratiev and others published optimization of the feedstock blend for the new hoilrc ebullated bed resid upgrading unit at lukoil neftochim burgas, to maximize.
Additionally, we offer a wide variety of catalytic solutions for hydrogenation, oxidation, renewable fuels, and environmental catalysts and systems. Ebullatedbed residue hydrocracking is a wellproven technology that creates value from even the most challenging residue feeds. Us20060118463a1 integrated sda and ebullatedbed process. Acronyms rhu resid hydrocracking unit or residue hydrocracking unit rhdc rhdc, rhc residue hydrocracker rhdt rhdt resid hydrotreating less severe than rhdc eb bed ebullated bed slurry phase fixed bed. Resid hydrocracker units with high conversion ebullated bed units. Unlike fixed bed and ebullated bed hydrocracking, which use supported heterogeneous catalysts 15, slurryphase hydrocracking uses a dispersed catalyst, namely, an unsupported metal sulfide. Residue hydroprocessing using ebullatedbed reactors. There are currently 14ebullatedbed residue hydrocracking units in operation around the world with a total capacity in excess of 0. This is the higher investment option that favors product slate flexibility. Duc nguyen hong technology development manager residue. Lukoil neftochim burgas selects axens for upgrader oil.
Axens hoilrc and chevron lummus globals lcfining technology. Hydrocracking diagram ebullated bed hydrocracking page 1 of 2. Hydrocrackers require periodic regeneration of the fixed bed catalyst systems channeling caused by coke accumulation a major concern can create hot spots that can lead to temperature runaways reactor configuration ebullient beds pelletized catalyst bed expanded by upflowof fluids. Join efforts on ebullated bed technology for heavy oil. Currently responsible for licensing all of axens heavy oil technologies in north america and assisting in licensing ebullated bed technologies worldwide with axens paris office.
Hydroconversion of heavy residues in slurry reactors. The ebullated bed, hoil dc process for high conversion hydrocracking of 100% dao feed without any cycle limitations. The hoil will apply supported catalysts from shell. Ebullated bed reactors are a type of fluidized bed reactor that utilizes ebullition, or bubbling, to achieve appropriate distribution of reactants and catalysts. Axens hoil ebullated bed hydrocracking refining community. Feb 08, 2019 resid hydrocracking is quickly emerging as todays hot technology. Many ebullatedbed residue hydrocracking units are conversion limited as a result of fouling in downstream equipment. There are currently 14 ebullated bed residue hydrocracking units in operation around the world with a total capacity in excess of 0. The reactor environment caused by the ebullation is similar to that of a continuous stirred tank reactor and consequently the reactor operates under near isothermal conditions. We have a large portfolio of hydroconversion processes, including xed and ebullated bed technologies. We have a large portfolio of hydroconversion processes, including fixed and ebullatedbed technologies. After building bridges in the rhdc community, we will provide time for breakout sessions specific to the process configurations.
Lukoil commissions hoil resid hydrocracker refining community. Aug 20, 2002 in the ebullated bed reactor, the catalyst is fluid, meaning that it will not plugup as is possible in a fixed bed. Resid hydrocracking is growing technology in oil refining. The ebullated bed technology utilizes a threephase reactor liquid, vapor, and catalyst, and is most applicable for exothermic reactions and for feedstocks which are difficult to process in fixed bed or plug flow reactors due to high. Axens solutions new generation hydrocracking technology enlarges the flexibility of this process as it allows to convert economically not only conventional vacuum gas oils vgo, but also vgos from heavy and extraheavy crudes, as well as deasphalted oil dao or. Oct 12, 2015 06022014 axens canada specialty aluminas inc. Refining community axens hoil ebullated bed hydrocracking. Through this industrial experience, the process has been improved and is today a reference where a high level of conversion of the atmospheric and vacuum residue fraction is an objective. Pdf optimization of the feedstock blend for the new h.
Residue upgrading using ebullatedbed hydrocracking pdf. The new facility consists of the main unit to hydrocrack sludge, with an annual capacity of 2. Axens hts458 designed for ebullated bed dao processing had the best long term activity maintenance. Ebullatingbed reactor article about ebullatingbed reactor.
Simulation of ebullated bed hydrocracking using hysys. Increasingly difficult feedstocks have forced operators of ebullatedbed upgrading units to impose limitations on reactor temperatures and throughputs. Heat supply problem as cracking is an endothermic process. This process also has the flexibility to use nonstandard feeds, such as heavy coker gas. Back to eastern europe for another example of the different options available for residue upgrading. Hydrocracking diagram ebullated bed hydrocracking page 1. The hoil dc dc stands for distillate cracking process uses ebullatedbed hydrocracking technology hoil to process refractory oils such as vacuum. Maximize distilate yeilds hydrocracking altrernative. Modeling and kinetic study of an ebullated bed reactor in the hoil. Some refiners will not even consider ebullated bed hydrocracking simply because they have very little knowledge of the process. Axens hydrocracking axens is an established name in hydrocracking licensing with more than 40 years experience in all types of hydrocracking processes.
Second generation ebullatedbed technology, jpi petroleum refining conference, tokyo, japan, october 1994. The new processing complex will raise the efficiency of refining through increased production of light fuels which have high added value. To overcome all these ebullated bed hydrocracker has been. Fluidized bed catalytic cracking fcc and moving bed catalytic cracking are in use. Publications for james colyar, technology consultant. The hydrocracking reactions of vacuum residue to lower molecular. Hydrocracking ebullated bed hydrocracking ebullated bed hydrocracking valve number valve description design temperature range design pressure range pipe size recommended valve1 deg f deg c psig bar g inches dn cseries isolator 2. The hoil unit is a resid hydrocracker rhc designed to process 46 000 bd of vacuum residue from urals crude. Axens hoildc uses ebullatedbed hydrocracking to process refractory oils such as vacuum gasoils vgo, deasphalted oils dao or coal.
Hi as a school course project, we are trying to design and simulate a hydrocracking unit that consists of an ebullated reactor. Axens hoildc uses ebullatedbed hydrocracking to process refractory oils such as vacuum gasoils vgo, deasphalted oils dao or coal derived oils. Its very likely its going to be single stage unit, and i found hysys also has hydrocracker feature, which seems very limited in terms of reactor selections. The fluid nature of the catalyst in an ebullated bed reactor also allows for online catalyst replacement of a small portion of the bed. Axens hoilrc uses ebullated bed hydrocracking to process heavy feedstock residues, atmospheric and vacuum residue, with high metals, sulfur, nitrogen, asphaltenes and solid contents. The hoil process uses ebullatedbed hydrocracking technology to process heavy feedstock residues such as vacuum gasoils vgo, deasphalted oils dao. The typical refinery runs at a hydrogen deficit as hydroprocessingbecomes more prevalent, this deficit will increase. Selects axens technology for its coker naphtha hydrotreating unit. 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. However, it produces a lowtomedium quality liquid residue product which is usually only suitable for fuel oil applications. Resid hydrocracking is quickly emerging as todays hot technology. The results from a commercial fcc unit that processes a hydrotreated straightrun vgo and a vgo from ebullated bed residue hoil hydrocracker confirmed the results from. Laboratory and commercial investigation of ebullated. Laboratory and commercial investigation of ebullated bed.
Axens ifp exxon mobil shell global solution uop catalyst. Axens to supply hydrocracking technology to shenghong refining. The attractiveness of ebullatedbed hydrocracking as a technology solution for. The world leader in unique catalysts and technologies that provide energy. In ebullated bed hck, axens solutions proposes a portfolio of technology licenses, catalysts, adsorbents and services such as consulting, software or operations support to respond to your operationa.
Ebullated bed reactors are a type of fluidized bed reactor that utilizes ebullition, or bubbling. It is possible to produce high octane gasoline at one time and middle distillates such as jet fuel, diesel oil, or fuel oil at another time. Resid hydrocracking processes heavier feeds to maximize diesel production. Axens canada is expanding its brockville, ontario production facility. 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. The hcat hydrocracking catalyst is a singlemolecule catalytic agent, chemically generated within the reactor system from a proprietary. The fluid nature of the catalyst in an ebullatedbed reactor also allows for online catalyst replacement of a small portion of the bed. Working in a team for the design of refining units residue hydrocracker, residue hydrotreating with permutable reactors, diesel hydrotreating, kerosene hydrotreating taking into account the applicable guidelines, best engineering practices and safety considerations.
Although this type of oil refining has been around since the 1960s, it has just started gaining popularity. Solvent deasphalting similar to residue hydrotreating, solvent deasphalting applications have been limited. Rc resid hydrocracking axens hoildc uses ebullated bed hydrocracking to process refractory oils such as vacuum gasoils. The heavyends upgrader combines a 47,000 bd hoilrc ebullated bed vacuum residue hydrocracker and a 37,000 bd hyk single stage, highconversion hydrocracker to produce a highquality slate of. Jan 21, 2012 simulation of ebullated bed hydrocracking using hysys. In case 1, a 200kbd refinery is processing 100% arabian heavy crude. Nov 02, 1971 background of the invention in converting higher molecular weight hydrocarbon oils into lower molecular weight products, oil feed, hydrogen gas, and a conventional hydrocracking catalyst are brought together at wellknown temperatures and pressures in an ebullating bed reactor.
Ebullated bed residue hydrocracking can obtainconversion levels equivalent to or even higher than delayed coking. Since 2014, the axens ebullatedbed residue hydrocracking hoil technology has been adopted by several chinese refineries, public as well as private demonstrating the hoil ability to cope with several refining environment and to be an energy efficient and cost effective solution. New refinery projects coming on stream in the middle east exceed current regional demand growth, resulting in increasing exports in particular. A type of fluidized bed in which catalyst particles are held in suspension by the upward movement of the liquid reactant and gas flow.
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