US4169782A - Visbreaking process - Google Patents
A process for visbreaking a heavy petroleum fraction wherein the effluent of the visbreaking heater is quenched by admixture with an overhead liquid produced by condensation of the overhead vapors of a secondary flash zone. The visbreaker effluent is then passed into a rectified flash zone, with the bottoms liquid of the rectified flash zone forming the feed stream to the …
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Coking | FSC 432: Petroleum Refining - Pennsylvania State University
Coking is the most severe thermal process used in the refinery to treat the very bottom-of-the-barrel of crude oil, i.e., vacuum residue. Because of the high severity of thermal cracking during coking, the residue feed is completely converted to gas, light and medium distillates, and coke with no production of residual oil. Three different ...
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The Visbreaking Process - Refinery Distillation - Brewiki
The Visbreaking Process. The feed to the unit is vacuum resid at 670°F coming from the vacuum distillation unit (see Figure 6-3). The charge stream is pumped by a charge pump P-101 to visbreaker heater H-101A and 10IB, where it is heated to 920°F. The visbreaker heater is a single-pass, controlled-gradiant, box-type heater with a preheater ...
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Chapter 12.3: FW/UOP VISBREAKING PROCESS | Engineering360
Visbreaking is a well-established noncatalytic thermal process that converts atmospheric or vacuum residues to gas, naphtha, distillates, and tar. Visbreaking reduces the quantity of cutter stock required to meet fuel oil specifications while reducing the …
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Squeezing Profitability from Bottom of the Barrel – The Role of …
Figure 10 show a basic process flow diagram for a typical visbreaking process unit with soaker drum, this device is applied to enlarge the residence time which allows operating the furnace with ...
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244310027-RFCC-Process-Technology-Manual.pdf - UOP Fluid...
View 244310027-RFCC-Process-Technology-Manual.pdf from CHEMISTRY INORGANIC at UNAM MX. UOP Fluid Catalytic Cracking Process Process Technology Manual ORPIC Sohar, Oman September 2012 – LIMITED
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Upgrading residues for high levels of distillate production
To this end, UOP has developed the Uniflex Process, a high-conversion slurry hydrocracking technology that contains elements of a commercially proven slurry reaction system and the Unicracking and Unionfining technologies. The Uniflex Process can achieve non-distillable conversion levels in excess of 90 wt%, with a distillate yield of over 50 vol%.
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Visbreaking - Dispense - Skuola.net
UOP/FWUSA V ISBREAKING P ROCESS. Visbreaking is a non-catalytic thermal process that Figure 1. converts atmospheric or vacuum residues via thermal Typical Visbreaking Process. cracking to gas ...
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Handbook of petroleum refining processes
The purpose ofthe stabilizer is to remove unreacted hydrogen and lighter components in order to yield aproduct with a specified vapor pressure.The integration of the NExOCTANE process into a refinery or butane dehydrogenationcomplex is similar to that of the MTBE process.
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New residue process increases conversion, produces stable residue …
Aquaconversion process In 1996, UOP, Foster Wheeler USA Corp. (Fwusa), and Intevep entered into an alliance. ... This approach provided a direct comparison between visbreaking and the ...
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Part 5: DEHYDROGENATION | Engineering360 - GlobalSpec
The UOP [*] Oleflex [*] process is catalytic dehydrogenation technology for the production of light olefins from their corresponding paraffin. An Oleflex unit can dehydrogenate propane, isobutane, normal butane, or isopentane feedstocks separately or as mixtures spanning two consecutive carbon numbers. This process was commercialized in 1990 ...
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Visbreaking – Old, but still Useful and Interesting Technology
The principal process variables to visbreaking units are the furnace temperature that can vary between 480 to 500 oC to the Furnace Visbreaking and 440 to 460 oC for the Soaker Drum Visbreaking ...
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Visbreaking process - UOP Inc.
A different visbreaking process is shown at page 112 of the September, 1976 edition of Hydrocarbon Processing. In this process a heavy gas oil removed from the fractionation section located above the primary flash zone is used as quench. It is also known in the art to pass the bottoms stream of the primary flash zone into a secondary flash zone.
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Visbreaking Processes | FSC 432: Petroleum Refining
In the soaker visbreaking process, a soak drum is placed after the furnace, Figure 6.5b. Most of the thermal cracking reactions, in this case, take place in the soaker drum. Depending on the process objectives and feedstock …
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Upgrading Residues to Maximize Distillate Yields with …
rights to license the CANMET Hydrocracking Process in 2007. Continuing work has resulted in the develop-ment of the UOP Uniflex Process, which includes a combination of elements from the commercially proven CANMET Hydrocracking Process reactor section and UOP's Unicracking and Unionfining Process technolo-gies. 3. UOP Uniflex Process 3. 1.
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US4587007A - Process for visbreaking resids in the presence of …
A visbreaking process for the conversion of heavy residual petroleum charge stocks is provided in which an organic sulfur compound containing a thiol sulfur is added to said petroleum charge stock and the visbreaking reaction is carried out at increased severities in the presence of highly aromatic petroleum refinery hydrogen-donor materials which are characterized by an H Ar …
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Deasphalted Oil - an overview | ScienceDirect Topics
By 2003, UOP had designed 13 units, while FW did 40 [57]. In the ASCOT (Asphalt Coking Technology), Foster Wheeler licensed a DA–coking configuration (increasing liquid yield and energy utilization), which uses their LEDA–Selective Yield Delayed Coking (SYDEC) technologies. ... Visbreaking is a noncatalytic process consisting of a mild ...
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Heavy Oil Upgrading Environment Market and Technology
UOP Foster Wheeler Visbreaking: Technology Overview • Mild Thermal Conversion Process. 9. Limited by Product Stability • Primarily used to reduce Fuel Oil Cutter Stock. 9. Can produce VB VGO for FCC or Hydrocracker. 9. Utilizes relatively low-cost equipment. 9. No Hydrogen, low-pressure design • Two (2) Types: 9. Coil - Heater only ...
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ESTUDIO COMPARATIVO DEL PROCESO DE …
The visbreaking process substantially reduces the viscosity of reduced oils and vacuum bottoms through thermal conversion, compared to other important ... UOP 389-14 UOP 389-14 UOP 389-14 UOP 389-14 UOP 389-14 UOP 389-14 UOP 389-14 ASTM D5184-12 ASTM D5184-12 cP NA. Not analyzed Inert Filler Material for the Fixed BedND. Not detected
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Thermal Cracking, Visbreaking and Delayed Coking Notes
Soaker Visbreaking Process . ... UOP Uniflex TM Process : It is high conversion, commercially proven technology, that processes low quality residue streams, like vacuum residue, to make very high quality distillate products. The process utilizes thermal cracking to reduce molecular weight of the residue in the presence of hydrogen and a proven ...
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EP0175511A1 - Visbreaking process - Google Patents
Visbreaking of heavy residual oil is carried out at high severity in the presence of an organic sulfur compound containing a thiol group and a highly aromatic hydrogen donor material having H A r and H hydrogen contents each of at least 20% of the total hydrogen content. ... visbreaking process according Prior art date Legal status ...
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Chapter 10.4 - UOP/FW USA Solvent Deasphalting Process
UOP/FW USA SOLVENT DEASPHALTING PROCESS. 10.38. SEPARATION PROCESSES. paraffin hydrocarbons to separate the residue's heavier asphaltenic components. Associated with these heavier materials is the majority of the crude's contaminants. Consequently, the lower contaminant content of the recovered DAO allows this material to.
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Handbook of Petroleum Refining Processes, 4th Edition
Contributors Preface Acknowledgments Licensing Contacts Part 1 : Alkylation and Polymerization Chapter 1.1 : UOP AlkyPlus Alkylation Process Chapter 1.2 : CB&I's CDAlky Process for the Production of High-Octane Alkylate : Breaking the Cold-Temperature Barrier Chapter 1.3 : BenzOUT Technology for Benzene Reduction Chapter 1.4 : UOP Catolene Process Part 2 : …
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Polymerization | FSC 432: Petroleum Refining
The polymerization process combines propenes and butenes to produce higher olefins with high-octane numbers (97 RON and 83 MON) for the gasoline pool. The polymerization process was used extensively in the 1930s and 1940s, but it was replaced to a large extent by the alkylation process after World War II. It has gained favor after phasing out ...
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Visbreaking | FSC 432: Petroleum Refining - Pennsylvania …
Visbreaking. Visbreaking is a mild thermal cracking process applied to reduce the viscosity of VDR to produce fuel oil and some light products to increase the distillate yield in a refinery [1]. Depending on the feedstock properties and thermal severity in the reactor, the process will typically achieve 10–25% of conversion of the heavy ends ...
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Visbreaking-the next generation.pdf - VISBREAKING THE NEXT...
VISBREAKING THE NEXT GENERATION by Gary M. Sieli Manager of Technical Services Foster Wheeler USA Corporation Clinton, New Jersey Published 1998 Introduction Visbreaking remains an important, relatively inexpensive bottom-of-the-barrel upgrading process in many areas of the world, including the countries of the Commonwealth of Independent States (CIS). …
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Visbreaker - Wikipedia
The UOP [*] Oleflex [*] process is catalytic dehydrogenation technology for the production of light olefins from their corresponding paraffin. An Oleflex unit can dehydrogenate propane, isobutane, normal butane, or isopentane …
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Technical Manager, Process & Safety in Design - LinkedIn
Technical Manager, Process & Safety in Design at Nacero Inc. Morristown, New Jersey, United States 500+ connections. Join to Connect ... FW/UOP VISBREAKING Process Handbook of ...
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SharifUniversityofTechnology Scientia Iranica - CORE
ScientiaIranicaC(2012)19(3),569–573 SharifUniversityofTechnology Scientia Iranica TransactionsC:ChemistryandChemicalEngineering
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Modeling of thermal cracking process in a crude oil refinery
In this research, thermal cracking of vacuum residue in a commercial soaker-visbreaking plant is studied. The product of the process is characterized to the light gas (C 1 …
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