PROCESS FOR CATALYST RECOVERY AND OPTIONAL RECYCLE IN A SLURRY HYDROCRACKING PROCESS

A process for slurry hydrocracking catalyst recovery is described. In one embodiment, the process includes separating effluent from a slurry hydrocracking zone into a first portion comprising solvent and clarified pitch and a second portion comprising pitch and catalyst. The second portion is contacted with an acid to leach the catalyst out of the pitch forming an aqueous solution and pitch residue. The aqueous solution is contacted with an anion to form an insoluble salt which is the catalyst. 1. A process for slurry hydrocracking catalyst recovery comprising:separating effluent from a slurry hydrocracking zone into a first portion comprising solvent and clarified pitch and a second portion comprising pitch and catalyst;contacting the second portion with an acid to leach the catalyst out of the pitch forming an aqueous solution and pitch residue; andcontacting the aqueous solution with an anion to form an insoluble salt and a second aqueous solution, the insoluble salt being the catalyst.2. The process of further comprising recycling the insoluble salt to the slurry hydrocracking zone.3. The process of wherein separating the effluent comprises at least one of centrifuging claim 1 , filtering claim 1 , settling claim 1 , or electrostatic precipitating.4. The process of further comprising separating the first portion into the solvent and the clarified pitch.5. The process of wherein separating the first portion into the solvent and the clarified pitch comprises separating the first portion in a fractionation unit.6. The process of further comprising grinding the second portion before contacting the second portion with the acid.7. The process of further comprising neutralizing the aqueous solution before contacting the aqueous solution with the anion.8. The process of further comprising separating the aqueous solution from the pitch residue before contacting the aqueous solution with the anion.9. The process of wherein the aqueous solution is neutralized with NaOH.10. ...

PROCESS FOR MAKING AND USING METAL CATALYST FOR SLURRY HYDROCRACKING

A process using a dealkylated aromatic liquid improves a heavy hydrocarbon liquid used for supporting molybdenum carbonized catalyst. Dealkylated aromatic liquid can be derived from heavy hydrocarbon materials that have been subjected to cracking, such as fluid catalytic cracking or slurry hydrocracking. The heavy hydrocarbon liquid can comprise a portion of resid SHC feed and a portion of a gas oil stream from SHC effluent. 1. A process of slurry hydrocracking comprising:mixing a molybdenum catalyst precursor, a dealkylated aromatic liquid comprising no more than about 11.0 wt % hydrogen and an asphaltenic liquid comprising at least 5 wt % microcarbon residue to provide a catalyst precursor concentrate;heating the catalyst precursor concentrate to an elevated temperature to form a slurry catalyst; andcharging said catalyst precursor concentrate and a resid feed stream to a slurry hydrocracking reactor.2. The process of further comprising heating the catalyst precursor concentrate to an elevated temperature in the presence of sulfur to form an activated catalyst concentrate.3. The process of further comprising adding said catalyst concentrate to said resid feed stream before charging said catalyst precursor concentrate and said resid feed stream to the slurry hydrocracking reactor.4. The process of wherein said molybdenum catalyst precursor comprises an aqueous solution of molybdenum compound.5. The process of wherein said aqueous solution comprises about 6 to about 16 wt % molybdenum.6. The process of claim 4 , further comprising heating a catalyst precursor mixture of the molybdenum catalyst precursor claim 4 , the dealkylated aromatic liquid and the asphaltenic liquid to about 100 to about 150° C. to dehydrate said catalyst precursor mixture to provide said catalyst precursor concentrate.7. The process of further comprising adding a catalyst concentrate to said resid feed stream after heating said catalyst precursor concentrate to said elevated temperature to ...

FLEXIBLE HYDROPROCESSING OF SLURRY HYDROCRACKING PRODUCTS

Processes for hydrotreating an effluent from a slurry hydrocracking process are described. Different streams are formed from the SHC effluent, and different hydroprocessing conditions are applied to the streams, e.g., more severe conditions are applied to streams which need additional hydroprocessing, while less severe conditions are applied to streams which do not need as much hydroprocessing. Common equipment is shared between different hydroprocessing steps. 1. A process for hydrotreating an effluent from a slurry hydrocracking process comprising:separating the slurry hydrocracking effluent in a hot separator into a first liquid stream and a first vapor stream;separating the first vapor stream in a second separator into a second liquid stream and a second vapor stream;fractionating the first and second liquid streams into at least two fractions in a first fractionation zone, wherein the at least two fractions comprise at least a first fraction and a second fraction, the second fraction having a T5 boiling point above a T5 boiling point of the first fraction;hydrotreating the second fraction in the presence of hydrogen and a hydrotreating catalyst in a first hydrotreating reactor to form a first hydrotreated effluent;hydrotreating the first hydrotreated effluent and the first fraction in the presence of hydrogen and a hydrotreating catalyst in a second hydrotreating reactor to form a second hydrotreated effluent; andseparating the second hydrotreated effluent into at least two fractions in a separation zone, wherein the at least two fractions comprise at least a naphtha product fraction and a diesel product fraction.2. The process of wherein the second separator is a cold separator and wherein the second vapor stream comprises a hydrogen rich stream and further comprising recycling at least a portion of the hydrogen rich stream to a slurry hydrocracking reaction zone claim 1 , or the first hydrotreating reactor claim 1 , or both.3. The process of wherein the ...

PROCESSES FOR PRODUCING DEASHED PITCH

A process for de-ashing pitch. The pitch from a slurry hydrocracking process is mixed with a solvent. The mixture is separated into solvent and soluble materials and insoluble materials. The insoluble materials can be dried to recover solvent which may be recycled. The solvent and soluble materials are separated. The solvent may be recovered and recycled. Hi-Sol 15 may be the solvent. Additionally, CSO may be the solvent and a portion thereof may be used with the de-ashed pitch to make an asphalt binder. 1. A process for producing a deashed pitch , the process comprising:mixing a pitch from a slurry hydrocracking zone with a solvent, the pitch including heavy hydrocarbons, coke, and catalyst, and at least a portion of the pitch being soluble in the solvent;separating the solvent and soluble portion of the pitch from an insoluble portion of the pitch; and,removing the soluble portion of the pitch from the solvent, wherein the soluble portion of the pitch removed from the solvent comprises a de-ashed pitch.2. The process of wherein the soluble portion of the pitch and the solvent are separated from the insoluble portion of the pitch by a centrifuge.3. The process of further comprising:recovering the solvent after the soluble portion of the pitch has been removed from the solvent; and,mixing the recovered solvent with fresh pitch from a thermal hydrocracking process.4. The process of further comprising:drying the insoluble portion of the pitch separated from the soluble portion of the pitch and the solvent to form a dried solids; and,recovering a residual solvent during the drying.5. The process of wherein the dried solids comprises at least one of coke and catalyst.6. The process of further comprising:mixing the residual solvent with fresh pitch from a thermal hydrocracking process.7. The process of wherein the solvent comprises an aromatic solvent.8. The process of wherein the solvent comprises Hi-Sol 15.9. The process of further comprising:mixing the deashed pitch ...

PROCESS AND APPARATUS FOR STRIPPING SLURRY HYDROCRACKED PRODUCT

Utilization of at least three strippers is proposed for a slurry hydrocracking unit to reduce heater duty for a product fractionation column. A stripping column for stripping a hydrocracked stream from a wash oil stripper is proposed in addition to a cold stripper for a cold hydrocracked stream and a warm stripper for a warm hydrocracked stream. The arrangement enables omission of heating a hot hydrocracked stream from a hot separator in a fired heater before product fractionation. 1. A process for slurry hydrocracking comprising:slurry hydrocracking a hydrocarbon feed stream in a slurry hydrocracking reactor to provide a hydrocracked effluent stream;stripping a cold hydrocracked stream taken from said hydrocracked effluent stream in a cold stripper column to provide a cold stripped stream;stripping a warm hydrocracked stream taken from said hydrocracked effluent stream in a warm stripper column to provide a warm stripped stream;washing a hot vapor stream taken from said hydrocracked effluent stream with a heavy wash oil to provide a wash oil liquid stream; andstripping a wash oil hydrocracked stream taken from a wash oil liquid stream in a wash oil stripper to provide a wash oil stripped stream.2. The process of further comprising stripping a hot hydrocracked stream taken from said hydrocracked effluent stream in a hot stripper column to provide a hot stripped stream.3. The process of further comprising separating said hydrocracked effluent stream in a hot separator to provide said hot vapor stream and a hot liquid stream.4. The process of further comprising flashing said wash oil liquid stream to provide a wash oil flash vapor stream and said wash oil hydrocracked stream.5. The process of further comprising separating said wash oil flash vapor stream in a warm separator to provide a warm vapor stream and a warm liquid stream and taking said warm hydrocracked stream from said warm liquid stream.6. The process of further comprising flashing said hot liquid stream to ...

PROCESS AND APPARATUS FOR RECYCLING SLURRY HYDROCRACKED PRODUCT

Recycle of slurry hydrocracked product to a subsequent slurry hydrocracking reactor downstream of a lead slurry hydrocracking reactor produces reduced mesophase and provides better reactor stability as opposed to recycle to the lead slurry hydrocracking reactor. The recycle stream may be a vacuum bottoms stream and/or a slop wax stream from a fractionation column. 1. A process for slurry hydrocracking comprising:slurry hydrocracking a heavy hydrocarbon feed stream in a lead slurry hydrocracking reactor to provide a hydrocracked effluent stream;slurry hydrocracking an effluent stream taken from said hydrocracked effluent stream and a recycle separated stream in a subsequent slurry hydrocracking reactor to provide a subsequent hydrocracked effluent stream;separating said subsequent hydrocracked effluent stream into a recycle separated stream; andrecycling said recycle separated stream to said subsequent slurry hydrocracking reactor.2. The process of further comprising taking said recycle separated stream from a bottom of a fractionation column.3. The process of wherein said fractionation column is operated at vacuum pressure.4. The process of further comprising taking a second recycle separated stream from a side of said fractionation column.5. The process of further comprising separating said hydrocracked effluent stream into a vapor effluent stream and said liquid effluent stream.6. The process of further comprising splitting said liquid effluent stream into a recycle effluent stream and a liquid feed effluent stream; recycling said recycle effluent stream to said lead slurry hydrocracking reactor and feeding said liquid feed effluent stream to said subsequent slurry hydrocracking reactor.7. The process of further comprising separating said subsequent hydrocracked effluent stream into a vapor subsequent effluent stream and a liquid subsequent effluent stream and splitting said liquid subsequent effluent stream into a recycle subsequent effluent stream and a process ...

PROCESS FOR IMPROVED VACUUM SEPARATIONS WITH HIGH VAPORIZATION

Methods and apparatus for vacuum separation are described. The method includes heating a feed comprising a mixture of light and heavy hydrocarbons in a first heating zone. The heated feed is flashed in a flash drum to form a liquid stream and a vapor stream. The liquid stream is heated in a second heating zone. The heated liquid stream is introduced into a vacuum distillation column through a first inlet. The vapor stream from the flash drum is introduced into the vacuum distillation column through a second inlet located above the first inlet, the vapor stream of the flash drum being in fluid communication with the vacuum distillation column. 1. A method of vacuum separation comprising;heating a feed comprising a mixture of light hydrocarbons and heavy hydrocarbons in a first heating zone;flashing the heated feed in a flash drum to form a liquid stream and a vapor stream;heating the liquid stream in a second heating zone;introducing the heated liquid stream into a vacuum distillation column through a first inlet; andintroducing the vapor stream from the flash drum into the vacuum distillation column through a second inlet located above the first inlet, the vapor stream of the flash drum being in fluid communication with the vacuum distillation column.2. The method of wherein a pressure of the vapor stream from the flash drum is about 100 kPa(g) or less.3. The method of claim wherein a temperature of the heated feed is in a range of about 260° C. (500° F.) to about 371° C. (700° F.).4. The method of wherein a temperature of the heated liquid stream is in a range of about 371° C. (700° F.) to about 482° C. (900° F.).5. The method of wherein a temperature of the feed is in a range of about 204° C. (400° F.) to about 316° C. (600° F.).6. The method of wherein the first heating zone and the second heating zone are separate heaters.7. The method of wherein the first heating zone and the second heating zone are in a single heater claim 1 , and wherein the first heating ...

PROCESS AND APPARATUS FOR RECOVERING HYDROCRACKED SOFT PITCH

Settling unconverted pitch from a SHC reactor effluent before fractionation improves efficiency of fractionation of slurry hydrocracked products. The recycle of soft pitch to the SHC reactor results in improved reactor operation by avoiding the recycle of lighter products which vaporize in the reactor to occupy reactor space and the recycle of hard pitch which will not convert. The settling step facilitated by mixing with a solvent can achieve a separation between soft pitch and hard pitch not achievable in a fractionation column. 1. A process for slurry hydrocracking comprising:slurry hydrocracking a hydrocarbon feed stream in a slurry hydrocracking reactor to provide a hydrocracked effluent stream;separating a hydrocracked stream, taken from said hydrocracked effluent stream, to provide a heavy stream;mixing the heavy stream with a solvent to provide a hydrocracked product stream and a first hard pitch stream; andfractionating said hydrocracked product stream.2. The process of further comprising separating a used solvent stream from said hydrocracked product stream in said fractionation step.3. The process of wherein mixing the heavy stream with the solvent stream comprises counter-currently contacting the heavy stream with the solvent.4. The process of wherein mixing the heavy stream with the solvent stream comprises allowing the first hard pitch stream to settle to a bottom of a mixing vessel while the hydrocracked product stream rises to a top of the mixing column.5. The process of wherein the mass ratio of the solvent to heavy stream is no more than 1.6. The process of further comprising mixing said hydrocracked product stream with another solvent stream to provide a second hydrocracked product stream comprising soft pitch and a second hard pitch stream.7. The process of further comprising fractionating said soft pitch stream to provide a soft pitch product stream.8. The process of further comprising recycling said soft pitch product stream to said ...

STAGED INTRODUCTION OF ADDITIVES IN SLURRY HYDROCRACKING PROCESS

A method of reducing catalyst agglomeration in a slurry hydrocracking zone containing at least two reactors is described. A hydrocarbon feed and a slurry hydrocracking catalyst are contacted in a first reactor to form a first effluent containing slurry hydrocracking reaction products, unreacted hydrocarbon feed, and the slurry hydrocracking catalyst, wherein the slurry hydrocracking catalyst agglomerates. The first effluent and an unsupported hydrogenation catalyst are contacted in a second reactor to form a second effluent containing the slurry hydrocracking reaction products, unreacted hydrocarbon feed, the slurry hydrocracking catalyst, and asphaltene reaction products. 1. A method of reducing catalyst agglomeration in a slurry hydrocracking zone containing at least two reactors in series comprising:contacting a hydrocarbon feed and a slurry hydrocracking catalyst in a first reactor under first slurry hydrocracking conditions to form a first effluent containing slurry hydrocracking reaction products, unreacted hydrocarbon feed, and the slurry hydrocracking catalyst, wherein the slurry hydrocracking catalyst agglomerates; andcontacting the first effluent and an unsupported hydrogenation catalyst in a second reactor under second slurry hydrocracking conditions to form a second effluent containing the slurry hydrocracking reaction products, unreacted hydrocarbon feed, the slurry hydrocracking catalyst, and asphaltene reaction products.2. The method of wherein the slurry hydrocracking catalyst comprises a metal compound comprising a metal of Groups IVB claim 1 , VB claim 1 , VIB claim 1 , VIIB claim 1 , and VIII.3. The method of wherein the unsupported hydrogenation catalyst comprises at least one of molybdenum claim 1 , tungsten claim 1 , nickel claim 1 , platinum claim 1 , or palladium.4. The method of wherein an amount of the unsupported hydrogenation catalyst is in a range of about 10 ppmw to about 1000 ppmw.5. The method of further comprising introducing a first ...

Process for hydrotreating a residue stream

The subject process enhances catalytic activity for demetallization and desulfurization of a residue feed stream by injecting water into the feed and hydrotreating in two stages with interstage separation. Water injection improves the demetallation activity of the HDM catalyst and separating vapor comprising hydrogen sulfide from the demetallized effluent improves the activity of the HDS catalyst. We have discovered that the water injection and hydrogen sulfide removal together provide a profound synergetic effect.

INTEGRATED PROCESS FOR CONVERSION OF VACUUM GAS OIL AND HEAVY OIL

An integrated process and apparatus for conversion of gas oil and heavy oil is described. The process includes passing a gas oil feed to a fluid catalytic cracking (FCC) zone to obtain a FCC effluent; separating the FCC effluent in a separation zone into at least two fractions comprising a clarified slurry oil fraction and an overhead fraction; passing the clarified slurry oil fraction to a slurry hydrocracking zone forming at least a naphtha stream; and recycling at least a portion of the slurry hydrocracking naphtha stream to the FCC zone. 1. An integrated process for conversion of vacuum gas oil and heavy oil comprising:passing a gas oil feed to a fluid catalytic cracking (FCC) zone to obtain a FCC effluent;separating the FCC effluent in a separation zone into at least two fractions comprising a clarified slurry oil fraction and an overhead fraction;passing the clarified slurry oil fraction to a slurry hydrocracking zone forming at least a naphtha stream; andrecycling at least a portion of the slurry hydrocracking naphtha stream to the FCC zone.2. The process of further comprising:forming a gas oil stream in the slurry hydrocracking zone; andrecycling the slurry hydrocracking gas oil stream to the FCC zone.3. The process of further comprising combining the clarified slurry oil fraction with a vacuum residue fraction before passing the clarified slurry oil fraction to the slurry hydrocracking zone.4. The process of further comprising:forming a distillate stream in the slurry hydrocracking zone; andrecovering the distillate stream.5. The process of further comprising:separating the overhead fraction into at least two portions, a first portion comprising at least one of butenes and pentenes and a second portion;passing the first portion to an oligomerization zone to produce an oligomerization effluent;recycling the oligomerization effluent to the FCC zone.6. The process of wherein the FCC zone comprises at least two FCC risers claim 5 , and:wherein passing the gas ...

Process for catalyst recovery and optional recycle in a slurry hydrocracking process

A process for slurry hydrocracking catalyst recovery is described. In one embodiment, the process includes separating effluent from a slurry hydrocracking zone into a first portion comprising solvent and clarified pitch and a second portion comprising pitch and catalyst. The second portion is contacted with an acid to leach the catalyst out of the pitch forming an aqueous solution and pitch residue. The aqueous solution is contacted with an anion to form an insoluble salt which is the catalyst.

Olefin oligomerization process

A process for oligomerizing an alkene-containing feedstock comprises contacting the feedstock with a catalyst comprising an inorganic, porous, non-layered crystalline phase material exhibiting, after calcination, an X-ray diffraction pattern with at least one peak at a d-spacing greater than about 18 Angstrom Units and having a benzene adsorption capacity of greater than 15 grams of benzene per 100 grams of said material at 6.7 kPA (50 torr) and 25 °C.

Olefin oligomerization process

A process for oligomerizing an alkene-containing feedstock comprises contacting the feedstock with a catalyst comprising an inorganic, porous, non-layered crystalline phase material exhibiting, after calcination, an X-ray diffraction pattern with at least one peak at a d-spacing greater than about 18 Angstrom Units and having a benzene adsorption capacity of greater than 15 grams of benzene per 100 grams of said material at 6.7 kPA (50 torr) and 25 °C.

Method for cracking hydrocarbons

Methods for preparing phosphorus containing catalysts comprising a large-pore zeolite, e.g., zeolite Beta, zeolite ZSM-12, or zeolite ZSM-20, and a matrix which have improved attrition resistance. The present invention includes the catalyst compositions produced by the above methods. Also included in the present invention are methods for the use of catalysts prepared by the present method in hydrocarbon cracking processes. It is desired to develop cracking catalysts for organic compound conversion that have improved cracking yields and have good attrition resistance. This invention involves the use of large pore siliceous zeolites and a highly siliceous matrix to produce a cracking catalyst with improved cracking yields and good attrition resistance. The invention further involves the use of phosphorus and the use of selected sequences for combining the compounds in the manufacture of the catalyst to enhance the attrition resistance of the catalyst.

Staged introduction of additives in slurry hydrocracking process

A method of reducing catalyst agglomeration in a slurry hydrocracking zone containing at least two reactors is described. A hydrocarbon feed and a slurry hydrocracking catalyst are contacted in a first reactor to form a first effluent containing slurry hydrocracking reaction products, unreacted hydrocarbon feed, and the slurry hydrocracking catalyst, wherein the slurry hydrocracking catalyst agglomerates. The first effluent and an unsupported hydrogenation catalyst are contacted in a second reactor to form a second effluent containing the slurry hydrocracking reaction products, unreacted hydrocarbon feed, the slurry hydrocracking catalyst, and asphaltene reaction products.

Process and apparatus for recovering hydrocracked soft pitch

Settling unconverted pitch from a SHC reactor effluent before fractionation improves efficiency of fractionation of slurry hydrocracked products. The recycle of soft pitch to the SHC reactor results in improved reactor operation by avoiding the recycle of lighter products which vaporize in the reactor to occupy reactor space and the recycle of hard pitch which will not convert. The settling step facilitated by mixing with a solvent can achieve a separation between soft pitch and hard pitch not achievable in a fractionation column.

Process for making and using metal catalyst for slurry hydrocracking

A process using a dealkylated aromatic liquid improves a heavy hydrocarbon liquid used for supporting molybdenum carbonized catalyst. Dealkylated aromatic liquid can be derived from heavy hydrocarbon materials that have been subjected to cracking, such as fluid catalytic cracking or slurry hydrocracking. The heavy hydrocarbon liquid can comprise a portion of resid SHC feed and a portion of a gas oil stream from SHC effluent.

Manufacture of improved zeolite Beta catalyst

A catalyst composition which comprises a crystalline metallosilicate having the structure of zeolite Beta, phosphorus, and a matrix that is substantially free of crystalline aluminum phosphate which has improved resistance to steam deactivation and which has higher cracking activity than analogous catalysts prepared without phosphorus. The crystalline metallosilicate may be used in the as-synthesized form or in the calcined form. Also included is the method to produce the catalyst composition and methods for the use of catalysts prepared by the present method in organic conversion processes. Specific embodiments of the invention involve various techniques for preparation of catalysts containing phosphorus and crystalline metallosilicates having the structure of zeolite Beta. Catalysts prepared according to the method of this invention are useful for organic compound, e.g., hydrocarbon compound, conversion processes. Organic compound conversion processes include cracking, hydrocracking, and transalkylation, among others.

Manufacture of improved catalyst

Methods for preparing phosphorus containing catalysts comprising a large-pore zeolite, e.g., zeolite Beta, zeolite ZSM-12, or zeolite ZSM-20, and a matrix which have improved attrition resistance. The present invention includes the catalyst compositions produced by the above methods. Also included in the present invention are methods for the use of catalysts prepared by the present method in hydrocarbon cracking processes. It is desired to develop cracking catalysts for organic compound conversion that have improved cracking yields and have good attrition resistance. This invention involves the use of large pore siliceous zeolites and a highly siliceous matrix to produce a cracking catalyst with improved cracking yields and good attrition resistance. The invention further involves the use of phosphorus and the use of selected sequences for combining the compounds in the manufacture of the catalyst to enhance the attrition resistance of the catalyst.

Process for catalyst recovery and optional recycle in a slurry hydrocracking process

Flexible hydroprocessing of slurry hydrocracking products

Staged introduction of additives in slurry hydrocracking process

A method of reducing catalyst agglomeration in a slurry hydrocracking zone containing at least two reactors is described. A hydrocarbon feed and a slurry hydrocracking catalyst are contacted in a first reactor to form a first effluent containing slurry hydrocracking reaction products, unreacted hydrocarbon feed, and the slurry hydrocracking catalyst, wherein the slurry hydrocracking catalyst agglomerates. The first effluent and an unsupported hydrogenation catalyst are contacted in a second reactor to form a second effluent containing the slurry hydrocracking reaction products, unreacted hydrocarbon feed, the slurry hydrocracking catalyst, and asphaltene reaction products.

Process and apparatus for introducing catalyst precursor into slurry hydrocracking reactor

A SHC apparatus and process comprise a catalyst precursor reactor for providing a catalyst precursor stream in downstream communication with a source of molybdenum, a SHC feed line for providing a heavy hydrocarbon feed stream in downstream communication with a heater, and a SHC reactor in downstream communication with the SHC feed line and with the catalyst precursor reactor. A process for SHC, the process comprising preparing a catalyst precursor stream comprising molybdenum in a catalyst precursor reactor, mixing the catalyst precursor stream with a heavy hydrocarbon stream to provide a catalyst precursor concentrate stream, heating a hydrocracking hydrocarbon feed stream in a heater to provide a heated hydrocracking feed stream, mixing the catalyst precursor concentrate stream with the heated hydrocarbon stream to provide a SHC feed stream, and reacting the SHC feed stream in a SHC reactor.

Process and apparatus for introducing catalyst precursor into slurry hydrocracking reactor

A SHC apparatus and process comprise a catalyst precursor reactor for providing a catalyst precursor stream in downstream communication with a source of molybdenum, a SHC feed line for providing a heavy hydrocarbon feed stream in downstream communication with a heater, and a SHC reactor in downstream communication with the SHC feed line and with the catalyst precursor reactor. A process for SHC, the process comprising preparing a catalyst precursor stream comprising molybdenum in a catalyst precursor reactor, mixing the catalyst precursor stream with a heavy hydrocarbon stream to provide a catalyst precursor concentrate stream, heating a hydrocracking hydrocarbon feed stream in a heater to provide a heated hydrocracking feed stream, mixing the catalyst precursor concentrate stream with the heated hydrocarbon stream to provide a SHC feed stream, and reacting the SHC feed stream in a SHC reactor.

Process and apparatus for introducing catalyst precursor into slurry hydrocracking reactor

A SHC apparatus and process comprise a catalyst precursor reactor for providing a catalyst precursor stream in downstream communication with a source of molybdenum, a SHC feed line for providing a heavy hydrocarbon feed stream in downstream communication with a heater, and a SHC reactor in downstream communication with the SHC feed line and with the catalyst precursor reactor. A process for SHC, the process comprising preparing a catalyst precursor stream comprising molybdenum in a catalyst precursor reactor, mixing the catalyst precursor stream with a heavy hydrocarbon stream to provide a catalyst precursor concentrate stream, heating a hydrocracking hydrocarbon feed stream in a heater to provide a heated hydrocracking feed stream, mixing the catalyst precursor concentrate stream with the heated hydrocarbon stream to provide a SHC feed stream, and reacting the SHC feed stream in a SHC reactor.

Process for improved vacuum separations with high vaporization

Methods and apparatus for vacuum separation are described. The method includes heating a feed comprising a mixture of light and heavy hydrocarbons in a first heating zone. The heated feed is flashed in a flash drum to form a liquid stream and a vapor stream. The liquid stream is heated in a second heating zone. The heated liquid stream is introduced into a vacuum distillation column through a first inlet. The vapor stream from the flash drum is introduced into the vacuum distillation column through a second inlet located above the first inlet, the vapor stream of the flash drum being in fluid communication with the vacuum distillation column.

Integrated process for conversion of vacuum gas oil and heavy oil

An integrated process and apparatus for conversion of gas oil and heavy oil is described. The process includes passing a gas oil feed to a fluid catalytic cracking (FCC) zone to obtain a FCC effluent; separating the FCC effluent in a separation zone into at least two fractions comprising a clarified slurry oil fraction and an overhead fraction; passing the clarified slurry oil fraction to a slurry hydrocracking zone forming at least a naphtha stream; and recycling at least a portion of the slurry hydrocracking naphtha stream to the FCC zone.