US20230203386A1 - Hydrocarbon Pyrolysis of Advantaged Feeds - Google Patents

Hydrocarbon Pyrolysis of Advantaged Feeds Download PDF

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Publication number
US20230203386A1
US20230203386A1 US18/000,238 US202018000238A US2023203386A1 US 20230203386 A1 US20230203386 A1 US 20230203386A1 US 202018000238 A US202018000238 A US 202018000238A US 2023203386 A1 US2023203386 A1 US 2023203386A1
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United States
Prior art keywords
feed
hydrocarbon
pyrolysis
steam
stream
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Pending
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US18/000,238
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English (en)
Inventor
Mark A. Nierode
Rodney S. Smith
Kapil Kandel
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ExxonMobil Chemical Patents Inc
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ExxonMobil Chemical Patents Inc
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Publication date
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Publication of US20230203386A1 publication Critical patent/US20230203386A1/en
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G9/00—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
    • C10G9/34—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts
    • C10G9/36—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils by direct contact with inert preheated fluids, e.g. with molten metals or salts with heated gases or vapours
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G55/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process
    • C10G55/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only
    • C10G55/04—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only including at least one thermal cracking step
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G31/00—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for
    • C10G31/08—Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for by treating with water
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G49/00—Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups C10G45/02, C10G45/32, C10G45/44, C10G45/58 or C10G47/00
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G69/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process
    • C10G69/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only
    • C10G69/06—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process plural serial stages only including at least one step of thermal cracking in the absence of hydrogen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20—Characteristics of the feedstock or the products
    • C10G2300/201—Impurities
    • C10G2300/202—Heteroatoms content, i.e. S, N, O, P
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20—Characteristics of the feedstock or the products
    • C10G2300/201—Impurities
    • C10G2300/205—Metal content
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/20—Characteristics of the feedstock or the products
    • C10G2300/201—Impurities
    • C10G2300/205—Metal content
    • C10G2300/206—Asphaltenes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
    • C10G2300/80—Additives
    • C10G2300/805—Water
    • C10G2300/807—Steam
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
    • C10G2400/20—C2-C4 olefins

Definitions

  • the invention is based in part on the development of processes, methods, systems, and apparatus for the hydrocarbon pyrolysis of advantaged feeds, such as those comprising hydrocarbon and one or more of halogen-containing contaminants (e.g., chloride-containing contaminants), and metal-containing contaminants (e.g., one or more of nickel-containing contaminants and vanadium-containing contaminants).
  • halogen-containing contaminants e.g., chloride-containing contaminants
  • metal-containing contaminants e.g., one or more of nickel-containing contaminants and vanadium-containing contaminants.
  • Hydrocarbon encompasses (i) saturated hydrocarbon, (ii) unsaturated hydrocarbon, and (iii) mixtures of hydrocarbons, including mixtures of hydrocarbon compounds (saturated and/or unsaturated), including mixtures of hydrocarbon compounds having different values of n.
  • compositions comprising metal may be found in a variety of hydrocarbon feeds, e.g., in heavy hydrocarbon, medium hydrocarbon, and even certain naphtha boiling-range hydrocarbon.
  • compositions comprising metal can be found in raw hydrocarbon feeds such as in extra heavy crude oil, heavy crude oil, medium crude oil, etc., and in hydrocarbon feeds that have been subjected to prior processing, e.g., in atmospheric gas oil, vacuum gas oil, atmospheric resid, and vacuum resid.
  • Compositions comprising metal such as VCC and NCC, can be found in a variety of chemical forms, such as metal compounds or metal-organic complexes.
  • CCC may form hydrochloric acid and ammonium chloride in a steam cracker plant.
  • VCC may form corrosive vanadium oxide when operating a steam cracking furnace in decoking mode, leading to erosion and/or corrosion.
  • the presence of vanadium oxide in the steam cracking furnace during pyrolysis mode, particularly in the radiant coils and/or convection coils, may result in corrosion and add to the expense of installing new equipment or upgrading to corrosion-resistant equipment.
  • NCC may increase coking of the steam cracking furnace causing more frequent switching from pyrolysis mode to decoking mode, leading to a decrease in light olefin production.
  • NCC and/or VCC may poison certain hydroprocessing catalysts as used in the recovery facility and elsewhere.
  • one or more of (e.g. each of) CCC, NCC, and VCC may be managed at levels lower than a few wppm before entering the steam cracking furnace.
  • downstream operation may require even lower levels of NCC and VCC so as to avoid poisoning the hydroprocessing catalysts.
  • An advantage of having a flash separator downstream of the convection section and upstream of the radiant section is an increased breadth of hydrocarbon sources available to be used directly, without pretreatment, as hydrocarbon feed 101 .
  • the addition of a flash separator downstream of convection line 113 allows for hydrocarbon feed 101 to contain about 50 wt. % or greater of raw feeds comprising crude oil (e.g., those comprising one or more heavy and/or medium crude oils), such as about 75 wt. % or greater, or about 90 wt. % or greater.
  • the steam cracker effluent generally includes unconverted pyrolysis feed and products of the pyrolysis (“pyrolysis products”).
  • pyrolysis products can include material contained in and/or derived from impurities and/or contaminants in the pyrolysis feed, e.g. particulates, heteroatom compounds, etc.
  • the pyrolysis products can include, e.g., C 2+ hydrocarbon (saturated and unsaturated) and SCT.
  • the bottoms stream is cooled from a temperature of about 280° C. to about 150° C.
  • the cooled bottoms stream is recycled and is introduced to the separation vessel.
  • the amount of cooling and the amount of recycle are regulated to achieve an average temperature of the accumulated (separated) SCT within the tar knock-out drum of about 175° C. or less, such as about 150° C. or less.
  • the clean water can be recycled (not shown) or transferred via line 223 to dilution steam generator 225 to provide steam via line 227 to the steam cracker.
  • the dilution steam generator may also produce a primarily liquid-phase aqueous stream that can be removed via line 229 .
  • Such additional pretreatment stages can include stages for removing at least a portion of one or more of ammonia, carbon dioxide, arsine, mercury, hydrogen sulfide, carbonyl sulfide, mercaptans, and carbon disulfide, oxygenates, and water.
  • the pretreated light hydrocarbon product can be introduced as indicated into process gas and/or streams derived from the process gas.
  • SCT hydroprocessing catalysts and/or conditions can include one or more of hydrocracking (including selective hydrocracking), hydrogenation, hydrotreating, hydrodesulfurization, hydrodenitrogenation, hydrodemetallation, hydrodearomatization, hydroisomerization, and hydrodewaxing catalysts and/or conditions.
  • SCT after demetallation can have a nickel concentration (a third nickel concentration), e.g., of about 1 wppm or less, such as in the range of from about 0.01 wppm to about 1 wppm.
  • the SCT after demetallation can have a vanadium concentration (a third vanadium concentration), e.g., of about 1 wppm or less, such as in the range of from about 0.01 wppm to about 1 wppm.
  • ranges from any lower limit may be combined with any upper limit to recite a range not explicitly recited, as well as, ranges from any lower limit may be combined with any other lower limit to recite a range not explicitly recited, in the same way, ranges from any upper limit may be combined with any other upper limit to recite a range not explicitly recited.
  • ranges from any upper limit may be combined with any other upper limit to recite a range not explicitly recited.
  • within a range includes every point or individual value between its end points even though not explicitly recited. Thus, every point or individual value may serve as its own lower or upper limit combined with any other point or individual value or any other lower or upper limit, to recite a range not explicitly recited.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
US18/000,238 2020-06-17 2020-06-17 Hydrocarbon Pyrolysis of Advantaged Feeds Pending US20230203386A1 (en)

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Application Number Priority Date Filing Date Title
PCT/US2020/038100 WO2021257066A1 (en) 2020-06-17 2020-06-17 Hydrocarbon pyrolysis of advantaged feeds

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US20230203386A1 true US20230203386A1 (en) 2023-06-29

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US (1) US20230203386A1 (zh)
CN (1) CN115943195A (zh)
WO (1) WO2021257066A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024129372A1 (en) * 2022-12-13 2024-06-20 ExxonMobil Technology and Engineering Company Co-processing pyoil through desalter and cracking furnace with integral vapor-liquid separator to generate circular products

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CN115943195A (zh) 2023-04-07
WO2021257066A1 (en) 2021-12-23

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