Ebullated bed resid hydrocracker revamp process design engineer april 2018 july 2019 technical service engineer marathon petroleum corporation. Us20070108100a1 hydrogen donor solvent production and. Our catalysts can be found in about 850 hydrotreating units around the world, and are used for product quality upgrading and. Novel ebullated bed residue hydrocracking process energy. 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.
During the last decade, ebullatedbed residue hydrocracking has gained increasing interest due to its capability to produce highquality, light and middle distillates in an economically effective way from heavy residuum oils. 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. This process also has the flexibility to use nonstandard feeds, such as heavy coker gas. Our catalysts can be found in about 850 hydrotreating units around the world, and are used for product quality upgrading and hydrocracker pretreatment. Refinery configurations for maximising middle distillates. Resid hydrocracking processes heavier feeds to maximize diesel production. There are currently 14ebullatedbed residue hydrocracking units in operation around the world with a total capacity in excess of 0. Diluted pitch fraction 19 and hydrogen 21 may then be fed to an ebullated bed reactor system 42, which may include one or more ebullated bed reactors, where the hydrocarbons and hydrogen are contacted with a hydroconversion catalyst to react at least a portion of the pitch with hydrogen to form lighter hydrocarbons, demetallize the pitch. 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. Refinery configurations for maximising middle distillates r efiners globally continue to face numerous chal. Rc resid hydrocracking axens hoildc uses ebullated bed hydrocracking to process refractory oils such as vacuum gasoils. Laboratory and commercial investigation of ebullated bed residue hydrocracking performance during processing of urals crude vacuum resid and its blends with vacuum. Tex2910 is the incumbent catalyst in the motiva convent ebullated bed hydrocracker. Improvements of ebullatedbed technology for upgrading.
Solvent deasphalting similar to residue hydrotreating, solvent deasphalting applications have been limited. Ebullatedbed residue hydrocracking can obtain conversion levels equivalent to or even higher than delayed coking. 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. An ebullatedbed residue hydrocracker with hcat is shown in figure 4.
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. Uop uniflex process, a slurry hydrocracking process, maximizes conversion of residues to transportation fuels and reduces residue byproducts. The supported catalyst is ebullated in the reactor that defines the catalytically active zone. This hydrogenation function limits the formation of sediment and the resulting fouling behaviour of the oil, even as the residue. A process derived hydrogen donor solvent is used to increase the maximum resid conversion and conversion rate in an ebullated bed resid hydrocracker. Aug 07, 2014 diluted pitch fraction 19 and hydrogen 21 may then be fed to an ebullated bed reactor system 42, which may include one or more ebullated bed reactors, where the hydrocarbons and hydrogen are contacted with a hydroconversion catalyst to react at least a portion of the pitch with hydrogen to form lighter hydrocarbons, demetallize the pitch. With only a limited number of ebullatedbed hydrocracking units in existence globally, finding a valve manufacturer that understands the process could be more arduous than the process itself. The hydrogen donor solvent precursor is produced by hydroreforming reactions within the resid hydrocracker, recovered as the resin fraction from a solvent deasphalting unit, regenerated in a separate hydrotreater reactor, and recycled to the. The hcat hydrocracking catalyst is a singlemolecule catalytic agent, chemically generated within the reactor system from a proprietary. Refining community axens hoil ebullated bed hydrocracking. Laboratory and commercial investigation of ebullated bed residue. Resid hydrocracker units with high conversion ebullatedbed units.
A standard ebullated bed residue hydrocracker without hcat is shown in figure 3. Wisdommaximize production of transportation fuels through hydrocracking of residues. Laboratory and commercial investigation of ebullated bed residue hydrocracking performance during processing of urals crude vacuum resid. The world leader in unique catalysts and technologies that. Tex2910 is the incumbent catalyst in the motiva convent ebullatedbed hydrocracker. Measuring density and level in resid hydrocrackers. The world leader in unique catalysts and technologies that provide energy. Ebullatedbed residue hydrocracking is a wellproven technology that creates value from even the most challenging residue feeds. Residue upgrading using ebullatedbed hydrocracking pdf. A type of fluidized bed in which catalyst particles are held in suspension by the upward movement of the liquid reactant and gas flow. Measuring level and density in resid hydrocracking processes ebullated bed hydrocrackers, slurry hydrocrackers. Resid hydrocracking is growing technology in oil refining.
The primary objective of ebr hydrocracking is to facilitate high conversion barrels. 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. Refining community resid hydrocracking for bottom of the barrel. Large asphaltenic oil molecules responsible for sediment and fouling behaviour have limited access to the catalytically active sites in the supported catalyst. Among these processes, the catalytic hydroconversion ebullated bed process hoil has the unique feature of deeply converting. A lower carboncontent resid product to the coking unit means less coke make and thus a higher yield of. Conversion levels range from low conversion to above 80% depending on the refinery scheme. Among these processes, the catalytic hydroconversion ebullatedbed process hoil has the unique feature of deeply converting. Although this type of oil refining has been around since the 1960s, it has just started gaining popularity. Petroleum downstream crash course 24 residue hydroprocessing theo ong. Mogas is the only manufacturer with valves installed in every ebullated bed unit worldwide totaling well over 10,000 valves. 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. Crucial points of strong residue hydrocracking are proposed physical and. Some refiners will not even consider ebullated bed hydrocracking simply because they have very little knowledge of the process.
Us20070108100a1 hydrogen donor solvent production and use. Artslatestcatalysttechnology forebresidhydrocracking. The hoilrc 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. Technology leader criterion was the first company to introduce an ebullatedbed. Shell global solutions show some of the new paradigms in the shift towards more flexible hc. Leadingthewaywithfixedbed residhydroprocessing technologies babupatrose,ph. Us6454932b1 multiple stage ebullating bed hydrocracking. Feb 08, 2019 resid hydrocracking is quickly emerging as todays hot technology.
Aug 19, 2019 the resid hydrocracking reactions are conducted in an ebullated or fluidized bed reactor to overcome the problems associated with a fixed. 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. Fresh catalyst is continuously added and spent catalyst withdrawn to control the level. Ebullated bed hydrocracking online catalyst replacement. However, this deasphalter oil product is a poor ebullated bed resid hydrocracker feedstock because it has a lower cracking rate than either resin or asphaltenes and is also is a relatively poor solvent for coke precursors. 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. Box 169, east orleans, ma 02643 usa received september 25, 1992. Fuel processing technology, 35 1993 28 21 elsevier science publishers b. Lcfining is clgs ebullating bed residue hydrocracking process, which provides high conversion of residues selectively to liquid products and high removal of metals, sulfur and ccr from difficult feedstocks. Axens hoil ebullated bed resid hydrocracking and distillate. Resid conversionsediment ratio for hcrchsls dual catalyst system. Laboratory and commercial investigation of ebullated. The second process hydrocracks atmospheric residue in a.
Hydrocracking diagram ebullated bed hydrocracking page 1. Though coking, resid fluidized catalytic cracking rfcc, and hydrocracking are the major commercial. Maximize distilate yeilds hydrocracking altrernative honeywell uop. Rc resid hydrocracking axens hoildc uses ebullatedbed hydrocracking to process refractory oils such as. Heavy oil upgrading environment market and technology. Am1273 2 pump which discharges it into the bottom plenum of the reactor, where it mixes with the incoming reactor feed oil and hydrogen. Axens hoilrc uses ebullatedbed hydrocracking to process heavy feedstock residues, atmospheric and vacuum residue, with high metals, sulfur, nitrogen, asphaltenes and solid contents. The resid hydrocracking reactions are conducted in an ebullated or fluidized bed reactor to overcome the problems associated with a fixed.
Ebullated bed resid ebr hydrocracking catalysts are used to convert refinery resid feedstocks into naphtha, diesel and vgo fuels while removing sulfur, nitrogen, metals, conradson carbon residue ccr, and asphaltene. However, it produces a lowtomedium quality liquid residue product which is usually only suitable for fuel oil applications. Delayed coking and lcfining technology a winning combination. Lcfining provides this superior performance with ease, safety and reliability at the best economics. Technology leader criterion was the first company to introduce an ebullated bed. Ebullated bed resid hydrocracker revamp process design. A schematic of this reactor is provided in figure 1. Improvements of ebullatedbed technology for upgrading heavy oils. High boiling hydrocarbon materials are hydrocracked in a multiple stage process having ebullating catalyst bed hydrogenation reactor stages in series. Caltexs 60 kbpsd vacuum residue hydrocracker, which was commissioned the 3 rd quarter of 2010 just 42 months. In general, supported metal catalysts are more preferable in fixed bed or ebullated bed reactors system to hydrocrack heavy feeds. Between the hydrogenation reactors is an interstage separatorstripper to separate a vapor phase and to strip the liquid phase with hydrogen to produce a heavier, more concentrated liquid phase as the feed to the next ebullating bed reactor. View lauren summitts profile on linkedin, the worlds largest professional community.
Bitumen derived naphtha and gas oils from the crude unit are also charged to the single stage hydrotreating section of this plant. Resid hydrocracking is quickly emerging as todays hot technology. Petroleum downstream crash course 24 residue hydroprocessing. Abstract improvements of ebullatedbed technology for upgrading heavy oils residue from heavy crude oils can be upgraded through various existing processes. The mixture then flows up through the primary distribution grid expanding the catalyst bed. Ebullated bed reactors are a type of fluidized bed reactor that utilizes ebullition, or bubbling, to achieve appropriate distribution of reactants and catalysts. The entire reactor volume now has catalytic activity, as the technology facilitates hydrogen transfer into the large asphaltenic oil molecules. In case 1, a 200kbd refinery is processing 100% arabian heavy crude. Ebullated bed reactors are a type of fluidized bed reactor that utilizes ebullition, or bubbling. In particular, they discuss the main strategies and issues in the hc implementation. Ebullatedbed residue hydrocracking can obtainconversion levels equivalent to or even higher than delayed coking. Hydrocracking diagram ebullated bed hydrocracking page 1 of 2. Ebullated bed residue hydrocracking can obtainconversion levels equivalent to or even higher than delayed coking. The addition of a residue upgrading technology such as delayed coking or ebullated bed hydrocracking will allow these refineries to process larger quantities of heavy, highsulphur, lowerpriced crudes, resulting in increased profitability.
Jan 10, 2018 petroleum downstream crash course 24 residue hydroprocessing theo ong. Lcmax and other lcfining process enhancements to extend. Hydrogen donor solvent production and use in resid. Ebullatingbed reactor article about ebullatingbed reactor. Ebullatingbeddualcatalyst systemsfromart darrylklein globaltechnology manager balbirlakhanpal segmentdirector, ebullatingbed joannedeady vicepresident, marketing advanced re. The hoilrc rc stands for resid cracking process uses ebullatedbed hydrocracking technology to process heavy feedstock residues atmospheric and. Caltexs 60 kbpsd vacuum residue hydrocracker, which was commissioned the 3rd quarter of. Axens hoilrc uses ebullated bed hydrocracking to process heavy feedstock residues, atmospheric and vacuum residue, with high metals, sulfur, nitrogen, asphaltenes and solid contents. Axens hoil ebullated bed hydrocracking refining community. Laboratory and commercial investigation of ebullated bed. The deasphalter oil product in line 5 may be recycled to the ebullated bed resid hydrocracker 2. Strong ebullated bed residue hydrocracking uses a new type of reactor, and a 50 kta demonstration unit has been put into operation now.
Scaleup of ebr resid hydroprocessing using the kinetic model was. Axens hoilrc uses ebullatedbed hydrocracking to process heavy feedstock. Lcfining efficiently hydrocracks residuum to highquality fuel oils and transportation fuels. Ebullated bed and slurry phase resid hydrocrackers map ebullated and slurry bed hydrocracking. The ebullatedbed technology utilizes a threephase reactor liquid, vapor, and catalyst, and is most applicable for exothermic reactions. 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. Laboratory and commercial investigation of ebullated bed residue hydrocracking performance during processing of urals crude vacuum resid and its blends with vacuum gas oil and atmospheric residue.