SE1951472A1 - Method for co-processing waste plastic derived liquids and end-life-tire derived liquids with crude oils - Google Patents
Method for co-processing waste plastic derived liquids and end-life-tire derived liquids with crude oilsInfo
- Publication number
- SE1951472A1 SE1951472A1 SE1951472A SE1951472A SE1951472A1 SE 1951472 A1 SE1951472 A1 SE 1951472A1 SE 1951472 A SE1951472 A SE 1951472A SE 1951472 A SE1951472 A SE 1951472A SE 1951472 A1 SE1951472 A1 SE 1951472A1
- Authority
- SE
- Sweden
- Prior art keywords
- elt
- derived
- derived liquid
- oil
- crude oil
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 117
- 239000010779 crude oil Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 48
- 239000004033 plastic Substances 0.000 title claims abstract description 24
- 229920003023 plastic Polymers 0.000 title claims abstract description 24
- 239000002699 waste material Substances 0.000 title claims abstract description 20
- 239000003921 oil Substances 0.000 claims abstract description 52
- 238000011033 desalting Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000004517 catalytic hydrocracking Methods 0.000 claims description 12
- 239000003054 catalyst Substances 0.000 claims description 10
- 238000004231 fluid catalytic cracking Methods 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 238000005292 vacuum distillation Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000010920 waste tyre Substances 0.000 description 77
- 238000004821 distillation Methods 0.000 description 33
- 239000012535 impurity Substances 0.000 description 31
- 238000000197 pyrolysis Methods 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
- 239000000460 chlorine Substances 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 229910052801 chlorine Inorganic materials 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 3
- 229910021536 Zeolite Inorganic materials 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 239000003502 gasoline Substances 0.000 description 3
- 125000005842 heteroatom Chemical group 0.000 description 3
- 239000003915 liquefied petroleum gas Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 239000010457 zeolite Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 150000001805 chlorine compounds Chemical class 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000005504 petroleum refining Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005686 electrostatic field Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 150000002927 oxygen compounds Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000003334 potential effect Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 239000011369 resultant mixture Substances 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
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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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/002—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal in combination with oil conversion- or refining processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/14—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with steam or water
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/16—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with inorganic material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
- C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
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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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
-
- 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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/02—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by distillation
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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
- C10G3/00—Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids
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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
- C10G45/00—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds
- C10G45/02—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing
- C10G45/04—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used
- C10G45/06—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof
- C10G45/08—Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing characterised by the catalyst used containing nickel or cobalt metal, or compounds thereof in combination with chromium, molybdenum, or tungsten metals, or compounds thereof
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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
- C10G55/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process
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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
- 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
- C10G55/06—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 catalytic cracking step
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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
- C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
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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
- C10G67/00—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only
- C10G67/02—Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only
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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
- C10G7/00—Distillation of hydrocarbon oils
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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
- C10G7/00—Distillation of hydrocarbon oils
- C10G7/06—Vacuum distillation
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
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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
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
- C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
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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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
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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
- 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
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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
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/20—Technologies relating to oil refining and petrochemical industry using bio-feedstock
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The present invention relates to methods for co-processing waste plastic (WP) derived liquids and end-life-tire (ELT) derived liquids with crude oils (CO) in conventional oil refinery settings comprising desalting 10 and distilling 20.
Description
METHOD FOR CO-PROCESSING FIELDThe present invention relates to methods for co-processing, in particular co-processing waste plastic derived liquids and end-life-tire derived liquids with crudeoils in conventional oil refinery settings.BACKGROUND Recycled-type raw materials or reduced-carbon feedstocks are feeds created by theprocessing of fossil-based wastes like waste plastics (WP) or end-of-life tires (ELT).The attractive feature of these raw materials from the viewpoint of the refinery is thatthey are quite similar compared to traditional refinery feeds, i.e. crude oil. WP/ELT-derived oils contain primarily hydrocarbons, and their oxygen content is clearly lowercompared to biomass-based oils.
WP pyrolysis derived oils contain different elemental impurities dependent mostlyon the original raw material, but also on the pyrolysis technology employed. Thethree most relevant impurities in plastic pyrolysis oils are nitrogen, sulphur andchlorine, which have a detrimental effect on the direct utilization of the pyrolysis oil.These impurities are primarily present in organic form, which means that they arestructurally associated with hydrocarbon chains of varying size and complexity.Furthermore, metal impurities originating from additives and contamination can also be detected in these oils.
ELT pyrolysis oils tend to have much lower Cl content compared to WP pyrolysisoils, and therefore in co-processing of ELT pyrolysis oils this issue may be managedvia simple dilution. On the other hand, ELT pyrolysis oils contain other impuritieswhich can be detrimental in refining operations. These oils contain solid impuritiesmainly in the form of carbon black, which is used as a reinforcing filler in tireformulations, as well as some oil-soluble metallic impurities. ELT pyrolysis oil alsocontain substantial amounts of sulfur and nitrogen, both of which can be found in conventional crude oils as well.
Even if the WP/ELT derived oil has very low impurity concentration and/or it is utilized in very low concentrations, the impurities can still cause various issues over 2 time. Thus, the WP/ELT-derived oil should be introduced to the refinery in a mannerthat minimizes the potential effect of these impurities.
There are numerous pieces of art disclosing processes and equipment suitable forpreparation, purification and cracking of waste plastic and/or ELT pyrolysis oils. Forexample, US2016045841 discloses a specific reactor suitable for desaltingcombined hydrocarbon streams including crude oils and pyrolytic oils.WO2018025103A1combination with a zeolitic catalyst and a stripping for chlorine removal from discloses utilization of a 'devolatilization' extruder inhydrocarbon streams or hydrocarbon stream precursors. JP4382552 B2 disclosesa method for processing plastic cracked light oil. However, it is specified that 90%of the plastic pyrolysis oil must be within a boiling point range of 100-300 °C.
JPH1161148 A discloses a method for co-processing WP derived liquid withhydrocarbon oil in petroleum refining plant, the method comprising admixing the WP-derived liquid and crude oil to form an admixture and distilling the admixture.
JP2002060757 A discloses thermal decomposition of WP and a production of acracked distillate and mixing the cracked distillate with crude oil. The documentdiscloses also refining and purifying the mixture in petroleum refining processes.
JP2005105027 A discloses a manufacturing method comprising mixing naphthafraction with plastic cracked oil followed by subjecting the resultant mixture tohydrorefining.
Accordingly, there is still need for more robust methods for processing WP and ELT derived liquids.SUMMARY The following presents a simplified summary in order to provide a basicunderstanding of some aspects of various embodiments of the invention. Thesummary is not an extensive overview of the invention. lt is neither intended toidentify key nor critical elements of the invention, nor to delineate the scope of the invention. The following summary merely presents some concepts of the invention 3 in a Simplified form as a prelude to a more detailed description of exemplifyingembodiments of the invention. lt was observed that when WP/ELT-derived liquids were admixed with crude oilfollowed by distillation, certain impurities of the WP/ELT-derived liquids could beremoved or concentrated to fractions where they could be more easily managed.Also, the problems related to reactivity of WP/ELT-derived oils could be avoided or at least alleviated. ln accordance with the invention, there is provided a new method for co-processingwaste plastic (WP) derived liquid and/or end-life-tire (ELT) derived liquids with crude oil and/or desalted crude oil, wherein the method comprises following steps a) providing crude oil, b) providing waste plastic (WP) derived liquid and/or end-life-tire (ELT) liquid,c) admixing the WP-derived liquid and/or ELT-derived liquid and the crude oil to form an admixture,d) desalting the admixture, ande) distilling the admixture.
A number of exemplifying and non-limiting embodiments of the invention are described in accompanied dependent claims.
Various exemplifying and non-limiting embodiments of the invention and to methodsof operation, together with additional objects and advantages thereof, are bestunderstood from the following description of specific exemplifying embodiments when read in connection with the accompanying figures.
The verbs "to comprise" and "to include" are used in this document as openlimitations that neither exclude nor require the existence of also unrecited features.The features recited in depending claims are mutually freely combinable unlessotherwise explicitly stated. Furthermore, it is to be understood that the use of "a" or "an", i.e. a singular form, throughout this document does not exclude a plurality.
BRIEF DESCRIPTION OF FIGURES 4 The exemplifying and non-limiting embodiments of the invention and their advantages are explained in greater detail below with reference to the accompanying figures, in which figures 1-3 show exemplary non-limiting methods for co-processing waste plastic(WP) derived liquids and/or end-life-tire (ELT) derived liquids with crude oil (CO)according to the present invention, and figure 4 shows an exemplary non-limiting flow chart for co-processing waste plastic(WP) derived liquids and/or end-life-tire (ELT) derived liquids with crude oil (CO)according to the present invention.
DESCRIPTION The present invention is related to co-processing of WP derived liquids and ELT-derived liquids preferably in conventional oil refinery setting using existingprocessing units. The principle of the present method is shown in figures 1-4.
According to the embodiment shown in figure 1, the process comprises co-introducing the WP and/or ELT-derived liquid and crude oil (CO) into the oil refineryvia a crude oil desalting unit 10, and a subsequent crude oil distillation unit (CDU)20. The distillation produces one or more distillates, i.e. distillation fractions and adistillation residue, i.e. a distillation bottom. According to this embodiment, thequality of the WP and/or ELT-derived liquid is not determined, but the liquids are fedto the desalting unit together with the crude oil.
According to the embodiment shown in figure 2, the crude oil is desalted in the crudeoil desalting unit 10, and co-distilled with the WP- and/or ELT-derived liquid in thecrude oil distillation unit 20. This is possible if the quality of the WP-derived liquid-and the ELT-derived liquid is so good that their desalting step can be omitted.
According to one embodiment shown in figure 3, the quality ofthe ELT-derived liquidis high enough for omitting the desalting step, but the WP-derived liquid needs thedesalting. Thus, a route a) is selected. When the quality of the WP-derived liquid ishigh enough for omitting the desalting step, but the ELT-derived liquid needs thedesalting, route b) is selected. lf the quality of the crude oil is high enough, even desalting of the crude oil can be omitted.
According to a preferable embodiment the distillates and distillate bottoms areprocessed further. Thus, the distillates can be directed into one or morehydrodesulfurization units marked with reference numbers 30 and 40. Thedistillation residues from the crude oil distillation unit 20 can be directed to asubsequent vacuum distillation unit 50, to give rise to vacuum gas oil (VGO) andvacuum residue (VR). The VGO and/or the VR may be further processed utilizinge.g. fluid catalytic cracking, hydrocracking and residue hydrocracking processes 60.
Thus, the present invention concerns a method for co-processing waste plastic (WP)derived liquid and/or end-life-tire (ELT) derived liquid with crude oil comprising thefollowing steps:a) providing crude oil,b) providing waste plastic (WP) derived liquid and/or end-life-tire (ELT) liquid,c) admixing the WP-derived liquid and/or ELT-derived liquid and the crude oilto form an admixture, and d) distilling the admixture.
According to an exemplary embodiment, the method for co-processing waste plastic(WP) derived liquid and/or end-life-tire (ELT) derived liquid with crude oil comprises the following steps: a) providing WP-derived liquid and/or ELT-derived liquid,b) admixing the WP-derived liquid and/or the ELT-derived liquid withcrude oil to form an admixture,c) desalting the admixture andd) distilling the admixture, According to another exemplary embodiment, the method for co-processing wasteplastic (WP) derived liquid and/or end-life-tire (ELT) derived liquid with crude oil comprises the following steps: a) determining quality of the WP-derived liquid and/or ELT-derivedliquid, 6 b) admixing the WP-derived liquid and/or ELT-derived liquid withdesalted crude oil when quality of WP-derived liquid and/or ELT-derived liquid is above a predetermined level to form an admixture,and c) distilling the admixture.
As defined herein the waste plastic derived liquid or waste plastic derived oil (usedherein and throughout the description interchangeably) should be understood asmeaning any liquid comprising oil derived from thermal conversion of waste plastics,and the end-life-tire derived liquid or end-life-tire derived oil (used herein andthroughout the description interchangeably) should be understood as meaning anyliquid comprising oil derived from thermal conversion of end-life-tires. lt isunderstood that their composition may vary based on the thermal conversiontechnology used as well as on the nature of the raw materials.
An exemplary flow chart for the co-processing of WP- and/or ELT-derived liquid withcrude oil and desalted crude in is shown in figure 4.
According to one embodiment, WP-derived liquid is admixed with crude oil, and theadmixture desalted and distilled. According to this embodiment, the co-processingdoes not include ELT-derived liquid, and the quality of the WP-derived liquid is not determined.
According to another embodiment, ELT-derived liquid is admixed with crude oil, andthe admixture is desalted and distilled. According to this embodiment, the co-processing does not include WP-derived liquid, and the quality of the ELT-derivedliquid is not determined.
According to another embodiment, WP- and ELT-derived liquid is admixed withcrude oil, and the admixture is desalted and distilled. According to this embodiment,the quality of the WP- and ELT-derived liquid is not determined.
According to another embodiment, quality of WP-derived liquid is analyzed, and itsquality was observed to be below predetermined value. According to thisembodiment, the co-processing does not include ELT-derived liquid. Thus, the WP- 7 derived liquid is admixed with crude oil to form an admixture which is desalted anddistilled.
According to another embodiment, quality of ELT-derived liquid is analyzed, and itsquality is observed to be below predetermined value. According to this embodiment,the co-processing does not include WP-derived liquid. Thus, the ELT-derived liquidis admixed with crude oil to form an admixture which is desalted and distilled.
According to another embodiment, quality of ELT-derived liquid and WP-derivedliquid is analyzed, and quality of ELT-derived liquid and quality ofWP-derived liquidis observed to be below predetermined value. Thus, the ELT-derived liquid and WP-derived are admixed with crude oil to form an admixture which is desalted anddistilled.
According to another embodiment, quality of ELT-derived liquid and quality ofWP-derived liquid is determined, and quality of the ELT-derived liquid and quality of theWP-derived is observed to be above and below predetermined value, respectively.Thus, the WP-derived liquid is admixed with crude oil to form an admixture which isdesalted, and the desalted admixture is distilled with the ELT-derived liquid.
According to another embodiment, quality of ELT-derived liquid and WP-derivedliquid are determined, and quality of WP-derived liquid and quality of the ELT-derived was observed to be above and below predetermined value, respectively.Thus, the ELT-derived liquid is admixed with crude oil to form an admixture which isdesalted, and the desalted admixture is distilled with the WP-derived liquid.
According to another embodiment, quality of ELT-derived liquid and WP-derivedliquid are analyzed, and quality of the ELT-derived liquid and quality of the WP-derived liquid is observed to be above a predetermined level. Thus, the ELT-derivedliquid and WP-derived are distilled with the desalted crude oil.
The quality of the ELT- and WP-derived liquids can be determined using methodsknown in the art. Exemplary methods are titration and gas chromatography.Exemplary impurities to be determined comprise one or more of: inorganic halogencompounds, inorganic sulfur compounds, water soluble oxygen compounds. An exemplary impurity is inorganic chlorine, in form of HCI. According to an exemplary 8 embodiment the impurity is inorganic chlorine and it is determined by titration withAgNOs.
The predetermined level of quality can be specified as required. According to anexemplary embodiment the WP and/or ELT-derived liquid is co-desalted with crude oil if its Cl content is 200 mg/kg or more.
According one embodiment, the WP and/or ELT-derived liquid is admixed with crudeoil to form an admixture. According to a particular embodiment the admixture isproduced by admixing 1 part by weight WP-derived liquid and/or ELT-derived liquidand 1 - 1000 parts by weight crude oil. According to an exemplary embodiment theadmixture comprises a 1:10 mixture by weight WP- and/or ELT derived liquid andcrude oil. lt is obvious for a skilled person that also different ratios of WP- and/orELT derived liquid and crude oil can be used. Further exemplary WP/ELT:CO ratiosare 1:1, 1:2, 1:3, 1:5, 1:25, 1:50, 1:100, 1:500, and 1:1000 by weight.
According one embodiment, the WP and/or ELT-derived liquid is admixed withdesalted crude oil to form an admixture. According to a particular embodiment theadmixture is produced by admixing 1 part by weight WP-derived liquid and/or ELT-derived liquid and 1 - 1000 parts by weight desalted crude oil. According to anexemplary embodiment the admixture comprises a 1:10 mixture by weight WP-and/or ELT derived liquid and desalted crude oil. lt is obvious for a skilled personthat also different ratios ofWP- and/or ELT derived liquid and desalted crude oil canbe used. Further exemplaryWP/ELT: desalted CO ratios are 1:1, 1:2, 1:3, 1:5, 1:25,1:50, 1:100, 1:500, and 1:1000 by weight.
According to the method of the present invention, preferably at least the crude oil isdesalted. The desalting can be done by any desalting methods known in the art.Exemplary desalting methods include chemical and electrostatic separation, chemical desalting, and electric desalting. ln chemical and electrostatic separation washing of the salt from the admixture iscarried out using water. The oil and water phases are separated in a settling tankby adding chemicals to assist in breaking up emulsion, by the application of 9 electrostatic field to Collapse the droplets of saltwater more rapidly, or by acombination of the aforementioned two techniques. ln chemical desalting water and chemical surfactant (demulsifiers) are added to theadmixture, and the admixture is heated so that sa|ts and other impurities disso|ve into the water or attach to the water, and then held in a tank where they settle out.
Electric desalting comprises treating the admixture under charge condition so thatpolar molecules get oriented and get separated.
The desalting can also be done by extracting with water or water-containing fluid.The desalting with water removes or at least decreases the amounts of water-soluble impurities in the admixture. An exemplary water-to oil ration in the extractionis 1:1. Naturally, the impurities which are removed are not necessarily actual sa|ts; According to one embodiment, a desalted admixture comprising the WP- and/orELT-derived liquid is distilled to give rise to one or more distillation fractions, i.e.distillates and typically also a distillation residue, i.e. a distillation bottom. Accordingto an exemplary embodiment the distillation provides two distillates and a distillatebottom. According to another exemplary embodiment the distillation provides eightdistillates and a distillate bottom.
According to an exemplary embodiment, the distillation provides three fractions,namely a first distillation fraction, a second distillation fraction and a distillationresidue. The distillates can be further divided into sub-distillates, which may be withdrawn from the distillation column as discrete products.
According to one embodiment the distillation is performed at atmospheric pressure.According to a particular embodiment the distillation is performed at atmosphericpressure producing a first distillation fraction, a second distillation fraction and a thirddistillation fraction. According to an exemplary embodiment, at least 90 wt-% of thefirst distillation fraction boils at a temperature of 170 °C under atmospheric pressure.According to the same exemplary embodiment, at least 80 vvt-% of the seconddistillation fraction boils at a temperature range of 170 to 360 °C at atmosphericpressure. Furthermore, according to the same exemplary embodiment, at least 90 wt-% of the third distillation fraction boils at a temperature of above 360 °C atatmospheric pressure.
According to a particular embodiment the one or more distillates are subjected toone or more further distillations to provide two or more sub-fractions of the one or more distillates.
According to a particular embodiment the first disti||ate or one or more of its sub-fractions, and/or the second disti||ate or one or more of its sub-fractions is fed to ahydrodesulfurization unit wherein a hydrodesulfurization reaction is performed.Hydrodesulfurization (HDS) is a catalytic chemical process used to remove sulfurfrom the distillates. The purpose of removing the sulfur and creating products suchas ultra-low-sulfur diesel, is to reduce the sulfur dioxide emissions that result fromusing those fuels in automotive vehicles, aircraft, railroad locomotives, ships, gas oroil burning power plants, residential and industrial furnaces, and other forms of fuel combustion.
For hydrodesulfurization, there are various types of catalysts employed. Mostlythese are different combinations of oxides and sulfides of cobalt, molybdenum,nickel, iron, and wolfram on v-alumina or alumina/silica/zeolite support, or on their mixture.
According to one embodiment the hydrodesulfurization of the first disti||ate or one ormore of its sub-fractions produces a gasoline component or an intermediate suitablefor further processing to a gasoline component.
According to another embodiment the hydrodesulfurization of the second disti||ateor one or more of its sub-fractions produces a diesel component, or an intermediatesuitable for further processing to a diesel component.
Exemplary HDS catalysts are CoMolAlgOg, NiMolAlzOa and CoMoNilAlzOs.
According to an exemplary embodiment the hydrodesulfurization is performed at280-320 °C in 20-35 bar in the presence of hydrogen and a hydrodesulfurizationcatalyst such as ColvlolAlzOs or NiMolAlzOs. 11 Exemplary process parameters for the middle distillate are temperature: 320-380 °C; pressure: 35-80 bar in the presence of hydrogen and a hydrodesulfurizationcatalyst such as CoMolAlzOs or NiMolAlzOa. LHSV is preferably 1.5-3.0 h* andH2/feed ratio is preferably 300-450 N m3/m3.
Exemplary process parameters for naphtha fraction are CoMolAlzOs or NiMolAlzOscatalyst at 280-320°C temperature, 20-35 bar pressure, 3.0-5.0 h* liquid hourspace velocity (LHSV: flow of feedstock in m3 through 1 m3 catalyst during 1 hcatalyst at normal condition of 20°C and 101.3 kPa), and 100-250N m3/m3 hydrogen/hydrocarbon ratio.
According to another embodiment the disti||ation residue is subjected to vacuumdisti||ation typically at 370-410 °C and 1-10 kPa producing vacuum gas oil (VGO) and vacuum residue (VR).
According to a particular embodiment the VGO is further processed utilizing one or more of fluid catalytic cracking (FCC), hydrocracking (HC) and residue hydrocracking processes. ln the FCC process, the VGO is heated to a high temperature and moderatepressure, and brought into contact with a hot, powdered catalyst. An exemplary FCCcatalyst has four major components: crystalline zeolite, matrix, binder, and filler.Zeolite is the primary active component and can range from about 15 to 50 weightpercent of the catalyst. The catalyst breaks the long-chain molecules of the high-boiling hydrocarbon liquids into much shorter molecules, which are collected as aare then separated via disti||ation in the FCC main fractionator. The main productsfrom the FCC process are gasoline and liquefied petroleum gas (LPG). ln the HC process, catalytic cracking of the VGO is assisted by the presence ofadded hydrogen gas. The HC is preferably facilitated by a bifunctional catalyst thatis capable of rearranging and breaking hydrocarbon chains as well as addinghydrogen to aromatics and olefins that may be present in the VGO. The productsHC are saturated hydrocarbons. The major products from hydrocracking are jet fueland diesel, but low sulphur naphtha fractions and LPG are also produced. All these products have typically very low content of sulphur and other contaminants. 12 According to another particular embodiment the VR is further processed utilizingone or more of fluid catalytic cracking, hydrocracking and residue hydrocrackingprocesses.
The method of the present invention a||eviates problems which would beencountered if impure WP/ELT-derived liquids were disti||ed in a stand-alonedistillation unit, and the resulting distillates would be co-processed directly in e.g.refinery hydrodesulfurization units. When utilizing this latter approach, i.e. stand-alone distillation and co-processing of distillates, the distillates will contain varyingamounts of heteroatoms such as N and Cl. Upon hydrotreating, these will beremoved in the form of NH3 and HCl. This process will consume hydrogen and theresulting gases can form deposits of NH4CI which are problematic e.g. in heatexchangers and recycle gas compressors. Thus, it would be beneficial to lower theconcentration of these heteroatoms prior to hydrotreating operations.
Processing the WP/ELT-derived oils according to the method of the presentinvention has the following benefits: Water-soluble impurities are removed in the desalting unit. These impurities mayinclude e.g. HCl, oxygenated organic molecules and certain nitrogen-containing organic molecules. lt is known that WP/ELT-derived liquids may include organic chlorides. Whensubjected to high temperatures used in CDU preheating units the chlorides arereleased as HCl. The gaseous HCl that is released in the distillation will be carriedto the top of the distillation column and to the overhead condenser, where it willsubsequently condense along with the steam that is fed into the distillation column,thus forming aqueous hydrochloric acid. However, certain measures such as NaOHaddition downstream of the desalter unit or use of a neutralizing amine can be usedto control and limit corrosion at the top of the distillation column and in the overheadcondenser. lt is less challenging to have HCl released in the CDU than in adownstream hydrotreating unit which does not have similar readiness for corrosion control. 13 lf the WP/ELT-derived oil contain non-volatile impurities such as metals, co-processing the oil in a CDU has the benefit of concentrating the metals into a heavierhydrocarbon fractions which already have higher metal content to begin with.Depending of the impurities which are present in the WP/ELT-derived oil and thedistillation configuration that is utilized, the metallic impurities can e.g. concentratein vacuum gas oil or vacuum residue. These fractions can then be further processedin refining units which have a higher tolerance for metals. Such refining units caninclude e.g. fluid catalytic cracking or residue hydrocracking in an ebullated bed reactor.
WP/ELT-derived oils are more reactive than typical crude oil. Accordingly, thereactivity is reduced by diluting with crude oil which allows further processing ofWP/ELT-derived oils in reactors such as HDS reactors designed for crude oil.
ExperimentalExample 1: Removal of water-soluble impurities from WP-derived liquids The WP/ELT-derived liquids (pyrolysis oils) which are utilized in these examples were purchased from Ecomation Oy (Salo, Finland).
A waste plastic derived liquid was washed with water at ambient temperature toremove water-soluble impurities. The washing was carried out using a water-to-oilratio of 1:1 (weight/weight) by agitating the mixture in a separation funnel. The oiland the water were separated, and the oil was analysed for heteroatom (N, S, Cl,Br) content. The results are shown in Table 1.
Table 1. Results from water-washing of waste plastic derived liquid at roomtemperature using water-to-oil ratio of 1:1.
Original oil Water-washed oil removal-%N (mg/kg) 790 650 18S (mg/kg) 984 880 11Cl (mg/kg) 585 468 20Br (mg/kg) 291 249 14 14 Although the procedure itself may differ from an actual desalting process, the resultsshow that a certain amount of impurities can be removed from waste plastic derivedliquids by essentially washing the sample with water. The impurities/heteroatomswhich are removed are not necessarily actual salts - some of the compounds mayalso be water-soluble organic compounds. One skilled in the art can also appreciatethat the amount of water-soluble impurities in the waste plastic derived liquid willalso vary depending of the feedstock and the pyrolysis process. Furthermore, theconditions (temperature, residence time, diluting with crude oil) that are used in theactual desalting process can also influence the removal of impurities.
Example 2: Concentration of metallic impurities in the distillation of ELT-derivedliquid The example shows the metallic impurities beneficially concentrate into thedistillation bottoms when an ELT-derived liquid is distilled into three separatefractions. lron (Fe) and zinc (Zn) were the most abundant impurities in the originalELT-derived liquid. As the results in Table 2 show, both of these impurities wereeffectively concentrated into the distillation bottoms, which in this case isrepresented by the fraction with a boiling point range of >360 °C. Thus, the distillatefractions which would be subsequently fed into e.g. fixed-bed hydrotreating reactors, no longer contain any Fe or Zn.
Table 2. Distillation yields and distribution of main metallic impurities in distillation ofELT-derived liquid.
Original o" <170 °C 170-360 °C >360 °Cfraction fraction fraction Yield in distillation - 21 52 27 (wt-%) Fe (mg/kg) 4.2 <0.1 <0.1 17 Zn (mg/kg) 4.1 <0.1 <0.1 13 ln this example, the ELT-derived liquid was distilled in neat form, i.e. without anyconventional crude oil. ln the processing concept that was presented in Figure 1,the >360 °C fraction of the ELT-derived liquid would exit the CDU in the atmospheric residue stream, which would then be subjected to vacuum distillation. Thus, thecontaminant metals of the ELT-derived liquid might further concentrate into thedistillation bottoms of the vacuum distillation unit, i.e. vacuum residue. Furthermore,all the distillate fractions that are obtained from the WP/ELT-derived liquid would be diluted with the co-processed crude oil.
The specific examples provided in the description given above should not be construed as limiting the scope and/or the applicability of the appended claims.
Claims (1)
1. A method for co-processing waste plastic (WP) derived liquid and/or end-Iife-tire (ELT) derived liquid with crude oil, the method comprising a) providing WP-derived liquid and/or ELT-derived liquid, b) providing crude oil, c) admixing the WP-derived liquid and/or the ELT-derived liquid and the crude oil to form an admixture,d) desalting the admixture, ande) distilling the admixture. _ The method according to claim 1, wherein step c) comprises admixing 1 part by weight WP-derived liquid and/or ELT-derived liquid and 1 - 1000 parts by weightcrude oil. _ The method according to claim 1 or 2, wherein the desalting comprises treating with water. _ The method according to any one of claims 1-3, wherein the distilling produces one or more distillates and a distillate bottom. _ The method according to claim 4 comprising subjecting at least one of the one or more distillates to hydrodesulfurization reaction. _ The method according to claim 5 wherein the subjecting is at 280-320 °C in 20- 35 bar in the presence of hydrogen and a hydrodesulfurization catalyst such asC0|V|0/A|2O3 Or Ni|V|0/A|2O3_ _ The method according to claim 5 wherein the subjecting is at 320-380 °C in 35- 80 bar in the presence of hydrogen and a hydrodesulfurization catalyst such asC0|V|0/A|2O3 Or Ni|V|0/A|2O3_ _ The method according to claim 4 comprising subjecting the distillate bottom to vacuum distillation. _ The method according to claim 8, wherein the vacuum distillation produces vacuum gas oil and/or vacuum residue. 17 10.The method according to claim 9 wherein the vacuum gas oil and/or the vacuumresidue is subjected to one or more of fluid catalytic cracking, hydrocracking andresidue hydrocracking.
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FI20186136A FI128635B (en) | 2018-12-28 | 2018-12-28 | Method for co-processing |
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SE1951472A1 true SE1951472A1 (en) | 2020-06-29 |
SE543084C2 SE543084C2 (en) | 2020-10-06 |
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SE1951472A SE543084C2 (en) | 2018-12-28 | 2019-12-16 | Method for co-processing waste plastic derived liquids and end-life-tire derived liquids with crude oils |
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BE (1) | BE1026853B1 (en) |
DE (1) | DE102019133911B4 (en) |
DK (1) | DK181062B1 (en) |
ES (1) | ES2769963B2 (en) |
FI (1) | FI128635B (en) |
FR (1) | FR3091294B1 (en) |
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NL (1) | NL2024523B1 (en) |
NO (1) | NO347068B1 (en) |
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FI20206383A1 (en) * | 2020-12-30 | 2022-07-01 | Neste Oyj | Co-processing route for hydrotreating polymer waste-based material |
SK9529Y1 (en) * | 2021-05-13 | 2022-05-25 | Daniška Tomáš | Method of processing plastic waste from water surface, especially at sea, system for its implementation |
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US4175211A (en) * | 1977-03-14 | 1979-11-20 | Mobil Oil Corporation | Method for treatment of rubber and plastic wastes |
JPH0220593A (en) * | 1988-06-23 | 1990-01-24 | Seihyo Rin | Conversion of heavy hydrocarbon to lighter hydrocarbon |
JPH1161148A (en) * | 1997-08-21 | 1999-03-05 | Jgc Corp | Treatment of waste plastic |
US5904838A (en) * | 1998-04-17 | 1999-05-18 | Uop Llc | Process for the simultaneous conversion of waste lubricating oil and pyrolysis oil derived from organic waste to produce a synthetic crude oil |
JP2002060757A (en) * | 2000-08-22 | 2002-02-26 | Toshiba Corp | Regeneration system for waste plastic |
JP4236548B2 (en) | 2003-09-29 | 2009-03-11 | 株式会社ジャパンエナジー | Production method of naphtha fraction |
JP4382552B2 (en) | 2004-03-26 | 2009-12-16 | 株式会社ジャパンエナジー | Processing method of plastic decomposition oil |
JP5246996B2 (en) * | 2005-09-15 | 2013-07-24 | Jx日鉱日石エネルギー株式会社 | Processing method of plastic decomposition oil |
JP4787598B2 (en) * | 2005-10-31 | 2011-10-05 | Jx日鉱日石エネルギー株式会社 | Processing method of plastic decomposition oil |
US9546330B2 (en) * | 2012-05-04 | 2017-01-17 | Saudi Arabian Oil Company | Integrated ebullated-bed process for whole crude oil upgrading |
WO2014153570A2 (en) | 2013-03-15 | 2014-09-25 | Transtar Group, Ltd | New and improved system for processing various chemicals and materials |
HRP20231303T1 (en) * | 2015-01-28 | 2024-02-02 | Applied Research Associates, Inc. | Hydrothermal cleanup process |
JP6952105B2 (en) | 2016-08-01 | 2021-10-20 | サビック グローバル テクノロジーズ ベスローテン フェンノートシャップ | Dechlorination of mixed plastic pyrolysis oil using devolatile extrusion and chloride sweeping agent |
US10745629B2 (en) * | 2017-01-16 | 2020-08-18 | Council Of Scientific And Industrial Research | Process for upgradation of heavy crude oil/residue using waste plastic as hydrogen donating agent |
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NO347068B1 (en) | 2023-05-02 |
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FR3091294B1 (en) | 2022-11-18 |
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BE1026853B1 (en) | 2020-12-22 |
GB2580539A (en) | 2020-07-22 |
FR3091294A1 (en) | 2020-07-03 |
DK201970766A1 (en) | 2020-08-03 |
NO20191514A1 (en) | 2020-06-29 |
GB2580539B (en) | 2021-04-14 |
DE102019133911A1 (en) | 2020-07-02 |
GB201918837D0 (en) | 2020-02-05 |
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