CA3214160A1 - Processes and systems for steam cracking hydrocarbon feeds - Google Patents
Processes and systems for steam cracking hydrocarbon feeds Download PDFInfo
- Publication number
- CA3214160A1 CA3214160A1 CA3214160A CA3214160A CA3214160A1 CA 3214160 A1 CA3214160 A1 CA 3214160A1 CA 3214160 A CA3214160 A CA 3214160A CA 3214160 A CA3214160 A CA 3214160A CA 3214160 A1 CA3214160 A1 CA 3214160A1
- Authority
- CA
- Canada
- Prior art keywords
- segment
- hydrocarbon feed
- feed
- steam
- burners
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 150000002430 hydrocarbons Chemical class 0.000 title claims abstract description 152
- 229930195733 hydrocarbon Natural products 0.000 title claims abstract description 150
- 239000004215 Carbon black (E152) Substances 0.000 title claims abstract description 140
- 238000004230 steam cracking Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 title claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 39
- 238000010304 firing Methods 0.000 claims abstract description 25
- 239000007789 gas Substances 0.000 claims description 25
- 239000000446 fuel Substances 0.000 claims description 20
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 18
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 13
- 239000003921 oil Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 12
- 239000001294 propane Substances 0.000 claims description 9
- 238000009835 boiling Methods 0.000 claims description 5
- 229920006395 saturated elastomer Polymers 0.000 claims description 5
- -1 diesel Substances 0.000 claims description 4
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 4
- 239000010779 crude oil Substances 0.000 claims description 3
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000003350 kerosene Substances 0.000 claims description 2
- 238000005235 decoking Methods 0.000 claims 5
- 239000003502 gasoline Substances 0.000 claims 2
- 239000000571 coke Substances 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000011874 heated mixture Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 5
- 239000005977 Ethylene Substances 0.000 description 5
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 239000012808 vapor phase Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 150000001721 carbon Chemical group 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000010791 quenching Methods 0.000 description 3
- 239000003039 volatile agent Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- XLNZHTHIPQGEMX-UHFFFAOYSA-N ethane propane Chemical compound CCC.CCC.CC.CC XLNZHTHIPQGEMX-UHFFFAOYSA-N 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000012035 limiting reagent Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C10G9/14—Thermal non-catalytic cracking, in the absence of hydrogen, of hydrocarbon oils in pipes or coils with or without auxiliary means, e.g. digesters, soaking drums, expansion means
- C10G9/18—Apparatus
- C10G9/20—Tube furnaces
- C10G9/206—Tube furnaces controlling or regulating the tube furnaces
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4006—Temperature
-
- 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
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/4037—In-situ processes
-
- 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
- C10G2300/70—Catalyst aspects
- C10G2300/708—Coking aspect, coke content and composition of deposits
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163176423P | 2021-04-19 | 2021-04-19 | |
| US63/176,423 | 2021-04-19 | ||
| PCT/US2022/023235 WO2022225691A1 (en) | 2021-04-19 | 2022-04-04 | Processes and systems for steam cracking hydrocarbon feeds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3214160A1 true CA3214160A1 (en) | 2022-10-27 |
Family
ID=81648878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3214160A Pending CA3214160A1 (en) | 2021-04-19 | 2022-04-04 | Processes and systems for steam cracking hydrocarbon feeds |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240166953A1 (de) |
| EP (1) | EP4326835A1 (de) |
| CN (1) | CN117178046A (de) |
| CA (1) | CA3214160A1 (de) |
| WO (1) | WO2022225691A1 (de) |
Family Cites Families (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1136541B1 (de) | 1997-06-10 | 2004-08-04 | ExxonMobil Chemical Patents Inc. | U-förmige innerlich gerippte strahlende Spule |
| AU2001232962A1 (en) * | 2000-01-28 | 2001-08-07 | Stone & Webster Process Technology, Inc. | Multi zone cracking furnace |
| US6632351B1 (en) | 2000-03-08 | 2003-10-14 | Shell Oil Company | Thermal cracking of crude oil and crude oil fractions containing pitch in an ethylene furnace |
| US7097758B2 (en) | 2002-07-03 | 2006-08-29 | Exxonmobil Chemical Patents Inc. | Converting mist flow to annular flow in thermal cracking application |
| US7090765B2 (en) | 2002-07-03 | 2006-08-15 | Exxonmobil Chemical Patents Inc. | Process for cracking hydrocarbon feed with water substitution |
| US7138047B2 (en) | 2002-07-03 | 2006-11-21 | Exxonmobil Chemical Patents Inc. | Process for steam cracking heavy hydrocarbon feedstocks |
| EP1727877B1 (de) | 2004-03-22 | 2012-04-04 | ExxonMobil Chemical Patents Inc. | Verfahren zum steamcracken von schweren kohlenwasserstoff-einsatzstoffen |
| US7244871B2 (en) | 2004-05-21 | 2007-07-17 | Exxonmobil Chemical Patents, Inc. | Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids |
| US7235705B2 (en) | 2004-05-21 | 2007-06-26 | Exxonmobil Chemical Patents Inc. | Process for reducing vapor condensation in flash/separation apparatus overhead during steam cracking of hydrocarbon feedstocks |
| US7351872B2 (en) | 2004-05-21 | 2008-04-01 | Exxonmobil Chemical Patents Inc. | Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace |
| US7312371B2 (en) | 2004-05-21 | 2007-12-25 | Exxonmobil Chemical Patents Inc. | Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precursors |
| US7220887B2 (en) | 2004-05-21 | 2007-05-22 | Exxonmobil Chemical Patents Inc. | Process and apparatus for cracking hydrocarbon feedstock containing resid |
| US7247765B2 (en) | 2004-05-21 | 2007-07-24 | Exxonmobil Chemical Patents Inc. | Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel |
| US7488459B2 (en) | 2004-05-21 | 2009-02-10 | Exxonmobil Chemical Patents Inc. | Apparatus and process for controlling temperature of heated feed directed to a flash drum whose overhead provides feed for cracking |
| US7297833B2 (en) | 2004-05-21 | 2007-11-20 | Exxonmobil Chemical Patents Inc. | Steam cracking of light hydrocarbon feedstocks containing non-volatile components and/or coke precursors |
| US7311746B2 (en) | 2004-05-21 | 2007-12-25 | Exxonmobil Chemical Patents Inc. | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid |
| US8696888B2 (en) | 2005-10-20 | 2014-04-15 | Exxonmobil Chemical Patents Inc. | Hydrocarbon resid processing |
| US7560019B2 (en) | 2006-12-05 | 2009-07-14 | Exxonmobil Chemical Patents Inc. | System and method for extending the range of hydrocarbon feeds in gas crackers |
| US20090022635A1 (en) * | 2007-07-20 | 2009-01-22 | Selas Fluid Processing Corporation | High-performance cracker |
| US8083932B2 (en) * | 2007-08-23 | 2011-12-27 | Shell Oil Company | Process for producing lower olefins from hydrocarbon feedstock utilizing partial vaporization and separately controlled sets of pyrolysis coils |
| US8105479B2 (en) | 2009-06-18 | 2012-01-31 | Exxonmobil Chemical Patents Inc. | Process and apparatus for upgrading steam cracker tar-containing effluent using steam |
| US8197668B2 (en) | 2009-07-09 | 2012-06-12 | Exxonmobil Chemical Patents Inc. | Process and apparatus for upgrading steam cracker tar using hydrogen donor compounds |
| US8882991B2 (en) | 2009-08-21 | 2014-11-11 | Exxonmobil Chemical Patents Inc. | Process and apparatus for cracking high boiling point hydrocarbon feedstock |
| US8399729B2 (en) | 2010-07-09 | 2013-03-19 | Exxonmobil Chemical Patents Inc. | Integrated process for steam cracking |
| EP2751232B1 (de) | 2011-08-31 | 2016-11-16 | ExxonMobil Chemical Patents Inc. | Verbesserung von kohlenwasserstoff-pyrolyseprodukten |
| US20140061096A1 (en) | 2012-08-31 | 2014-03-06 | Stephen H. Brown | Upgrading Hydrocarbon Pyrolysis Products by Hydroprocessing |
| WO2014193492A1 (en) | 2013-05-28 | 2014-12-04 | Exxonmobil Chemical Patents Inc. | Vapor-liquid separation by distillation |
| US9777227B2 (en) | 2014-04-30 | 2017-10-03 | Exxonmobil Chemical Patents Inc. | Upgrading hydrocarbon pyrolysis products |
| EP3158028B1 (de) | 2014-06-20 | 2019-06-19 | ExxonMobil Chemical Patents Inc. | Pyrolyseteerverfeinerung unter verwendung von recyclingprodukten |
| WO2016069057A1 (en) | 2014-10-29 | 2016-05-06 | Exonmobil Chemical Patents Inc. | Upgrading hydrocarbon pyrolysis products |
| US10294432B2 (en) | 2015-06-26 | 2019-05-21 | Exxonmobil Chemical Patents Inc. | Steam cracker product fractionation |
| WO2018111574A1 (en) | 2016-12-16 | 2018-06-21 | Exxonmobil Chemical Patents Inc. | Pyrolysis tar pretreatment |
| US10315968B2 (en) | 2016-12-20 | 2019-06-11 | Exxonmobil Chemical Patents Inc. | Process for steam cracking hydrocarbons |
| SG11202000278XA (en) | 2017-07-14 | 2020-02-27 | Exxonmobil Chemical Patents Inc | Multi-stage upgrading of hydrocarbon pyrolysis tar using recycled interstage product |
| US11591529B2 (en) | 2018-11-07 | 2023-02-28 | Exxonmobil Chemical Patents Inc. | Process for C5+ hydrocarbon conversion |
| SG11202104697QA (en) | 2018-11-07 | 2021-06-29 | Exxonmobil Chemical Patents Inc | Process for c5+ hydrocarbon conversion |
| WO2020096977A1 (en) | 2018-11-07 | 2020-05-14 | Exxonmobil Chemical Patents Inc. | Process for c5+ hydrocarbon conversion |
| US20220119716A1 (en) * | 2020-10-15 | 2022-04-21 | Technip Process Technology, Inc. | Hybrid ethylene cracking furnace |
-
2022
- 2022-04-04 CN CN202280029285.4A patent/CN117178046A/zh active Pending
- 2022-04-04 EP EP22723250.1A patent/EP4326835A1/de active Pending
- 2022-04-04 CA CA3214160A patent/CA3214160A1/en active Pending
- 2022-04-04 WO PCT/US2022/023235 patent/WO2022225691A1/en active Application Filing
- 2022-04-04 US US18/550,397 patent/US20240166953A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN117178046A (zh) | 2023-12-05 |
| WO2022225691A1 (en) | 2022-10-27 |
| EP4326835A1 (de) | 2024-02-28 |
| US20240166953A1 (en) | 2024-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7027447B2 (ja) | 原油から化学製品用の統合された熱分解および水素化分解ユニット | |
| EP1527151B1 (de) | Verfahren zum dampfkracken von schweren kohlenwasserstoffeinsätzen | |
| EP1765957B1 (de) | Verfahren und vorrichtung zur entfernung von beim steamcracken von residua enthaltenden kohlenwasserstoff-einsatzstoffen gebildetem koks | |
| EP1727877B1 (de) | Verfahren zum steamcracken von schweren kohlenwasserstoff-einsatzstoffen | |
| KR101521314B1 (ko) | 부분 기화 및 분리 조절 세트의 열분해 코일을 이용하여 탄화수소 공급원료로부터 올레핀 및 열분해 산물을 생산하는 방법. | |
| US20040004022A1 (en) | Process for steam cracking heavy hydrocarbon feedstocks | |
| US11807820B2 (en) | Processes for on-stream decoking | |
| CN113874475B (zh) | 利用加氢和脱碳的混合将原油和凝析油转化为化学品的方法 | |
| EP2300564A1 (de) | Verfahren und vorrichtung zum abkühlen von flüssigem sumpfprodukt aus einem dampf-flüssigkeit-separator durch wärmeaustausch mit einsatzstoff beim steamcracken von kohlenwasserstoff-einsatzstoffen | |
| US7648626B2 (en) | Process for cracking asphaltene-containing feedstock employing dilution steam and water injection | |
| US20240166953A1 (en) | Processes and Systems for Steam Cracking Hydrocarbon Feeds | |
| RU2786677C1 (ru) | Способ преобразования сырых нефтей и конденсатов в химические продукты с использованием комбинации добавления водорода и удаления углерода | |
| US20090178956A1 (en) | Method for reducing coke and oligomer formation in a furnace | |
| WO2023107815A1 (en) | Processes and systems for steam cracking hydrocarbon feeds | |
| WO2008131336A1 (en) | Process for olefin production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20230929 |
|
| EEER | Examination request |
Effective date: 20230929 |
|
| EEER | Examination request |
Effective date: 20230929 |