JP6473749B2 - 炭化水素混合物を分離するための方法 - Google Patents
炭化水素混合物を分離するための方法 Download PDFInfo
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- C10G70/02—Working-up undefined normally gaseous mixtures obtained by processes covered by groups C10G9/00, C10G11/00, C10G15/00, C10G47/00, C10G51/00 by hydrogenation
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- F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
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- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0204—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the feed stream
- F25J3/0219—Refinery gas, cracking gas, coke oven gas, gaseous mixtures containing aliphatic unsaturated CnHm or gaseous mixtures of undefined nature
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- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0233—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 1 carbon atom or more
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- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0238—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 2 carbon atoms or more
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0242—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of CnHm with 3 carbon atoms or more
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- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/0228—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream
- F25J3/0252—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream characterised by the separated product stream separation of hydrogen
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- 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
- C10G2300/1037—Hydrocarbon fractions
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- 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
- C10G2300/30—Physical properties of feedstocks or products
- C10G2300/301—Boiling range
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2210/00—Processes characterised by the type or other details of the feed stream
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/60—Methane
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- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J2215/00—Processes characterised by the type or other details of the product stream
- F25J2215/62—Ethane or ethylene
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Description
本発明は、水蒸気分解により少なくとも部分的に得られた炭化水素混合物を分離するための既知の方法から出発する。上述のように、この種の炭化水素混合物は、分解ガスまたは粗ガスと呼ばれ、1つ以上の処理ステップに供される。炭化水素混合物は、エタンおよびエチレンを含む、1つ、2つおよび3つの炭素原子を有する炭化水素を少なくとも含む。上述のように、この種の分解ガス中のエタンの量は、無視できない量のエタンを含有する新鮮な装入材料が使用される場合、水蒸気分解中に増加する。
図1Aは、先行技術による、水蒸気分解およびその後の得られた分解ガスの留分への分離によって、炭化水素生成物を生成するための方法のシーケンスを、概略的なストリームチャートの形態で示している。
Claims (7)
- 水蒸気分解(10)により少なくとも部分的に得られた、エタンおよびエチレンを含む1つ、2つおよび3つの炭素原子を有する炭化水素を少なくとも含有する炭化水素混合物(参照数字C)を分離するための方法であり、第1の留分(参照数字C2−)が、少なくとも部分的に他の成分を分離することにより前記炭化水素混合物(C)から最初に得られ、前記留分が、前記炭化水素混合物(C)中にすでに含有されていた2つ以下の炭素原子を有する炭化水素の少なくとも50%を含有し、その後にさらなる留分(参照数字C1、C2、C2H4、C2H6)が前記第1の留分(C2−)から得られる、方法であって、
前記さらなる留分(C1、C2、C2H4、C2H6)が、リサイクルストリームとして水蒸気分解にリサイクルされるエタン(参照数字C2H6)を含み、エタンを含有する留分(参照数字S)が、前記炭化水素混合物(C)または前記第1の留分(C2−)からの前記他の成分の前記少なくとも部分的な分離と並行して、またはその下流側で、前記さらなる留分(C1、C2、C2H4、C2H6)を得る前に、前記第1の留分(C2−)中のエタン含量を25%未満に低減する量でさらに分離され、エタンを含有する前記留分(S)が、最大10モルパーセントの2つの炭素原子を有する他の炭化水素を含有することを特徴とする方法。 - 水蒸気分解(10)により少なくとも部分的に得られた、エタンおよびエチレンを含む1つ、2つおよび3つの炭素原子を有する炭化水素を少なくとも含有する炭化水素混合物(参照数字C)を分離するための方法であり、第1の留分(参照数字C2+)が、少なくとも部分的に他の成分を分離することにより前記炭化水素混合物(C)から最初に得られ、前記留分が、前記炭化水素混合物(C)中にすでに含有されていた2つ以上の炭素原子を有する炭化水素の少なくとも50%を含有し、その後にさらなる留分(参照数字C2、C2H4、C3+、C2H6)が前記第1の留分(C2+)から得られる、方法であって、
前記さらなる留分(C2、C2H4、C3+、C2H6)が、リサイクルストリームとして水蒸気分解にリサイクルされるエタン(参照数字C2H6)を含み、エタンを含有する留分(参照数字R)が、前記炭化水素混合物(C)からの前記他の成分の前記少なくとも部分的な分離と並行して、またはその下流側で、前記さらなる留分(C2、C2H4、C3+、C2H6)を得る前に、前記第1の留分(C2+)中のエタン含量を25%未満に低減する量でさらに分離され、エタンを含有する前記留分(R)が、最大10モルパーセントの2つの炭素原子を有する他の炭化水素を含有することを特徴とする方法。 - 請求項1または請求項2に記載の方法であって、エタンを含有する前記留分(R、S)を分離することにより、前記第1の留分(C2+、C2−)中の前記エタン含量が、20%未満、17%未満、15%未満、13%未満、または10%未満のエタン含量まで低減されることを特徴とする方法。
- 請求項1から3のいずれか1項に記載の方法であって、エタンを含有する前記留分が、1.5%未満、1.0%未満、5000ppm未満、4000ppm未満または3000ppm未満のエチレンを含有することを特徴とする方法。
- 請求項2に記載の方法であって、前記炭化水素混合物(C)から前記第1の留分(C2+)を得るために、前記炭化水素混合物(C)中にすでに含有されていた2つ以上の炭素原子を有する炭化水素の少なくとも50%を前記第1の留分(C2)が含有するように、前記炭化水素混合物(C)中にすでに含有されていたメタンおよび水素の少なくとも50%を含有する留分(C1−)が分離されることを特徴とする方法。
- 請求項1に記載の方法であって、前記炭化水素混合物(C)から前記第1の留分(C2−)を得るために、前記炭化水素混合物(C)中にすでに含有されていた2つ以下の炭素原子を有する炭化水素の少なくとも50%を前記第1の留分(C2)が含有するように、前記炭化水素混合物(C)中にすでに含有されていた3つ以上の炭素原子を有する炭化水素の少なくとも50%を含有する留分(C3+)が分離されることを特徴とする方法。
- 請求項1から6のいずれか1項に記載の方法であって、前記炭化水素混合物(C)またはそれから誘導された留分(C2+)が、水素化プロセスに供されることを特徴とする方法。
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EP13005355.6 | 2013-11-14 | ||
EP13005355 | 2013-11-14 | ||
PCT/EP2014/073284 WO2015071105A1 (de) | 2013-11-14 | 2014-10-30 | Verfahren zur auftrennung eines kohlenwasserstoffgemischs, trennanlage und dampfspaltanlage |
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JP2016538290A JP2016538290A (ja) | 2016-12-08 |
JP6473749B2 true JP6473749B2 (ja) | 2019-02-20 |
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US (1) | US10465132B2 (ja) |
EP (2) | EP3068849B1 (ja) |
JP (1) | JP6473749B2 (ja) |
KR (1) | KR102355362B1 (ja) |
CN (1) | CN105722956B (ja) |
AU (1) | AU2014350485B2 (ja) |
BR (2) | BR112016010937B1 (ja) |
CA (1) | CA2929066C (ja) |
EA (1) | EA030273B1 (ja) |
ES (2) | ES2887854T3 (ja) |
HU (2) | HUE037419T2 (ja) |
MY (1) | MY184815A (ja) |
NO (1) | NO3068849T3 (ja) |
PH (1) | PH12016500752A1 (ja) |
TW (1) | TWI639582B (ja) |
WO (1) | WO2015071105A1 (ja) |
ZA (2) | ZA201602851B (ja) |
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EP3282212A1 (de) * | 2016-08-12 | 2018-02-14 | Linde Aktiengesellschaft | Verfahren zur gewinnung eines überwiegend kohlenwasserstoffe mit zwei kohlenstoffatomen enthaltenden trennprodukts |
KR102162297B1 (ko) * | 2017-06-08 | 2020-10-06 | 주식회사 엘지화학 | 에틸렌 분리공정 및 분리장치 |
EP3428143A1 (de) * | 2017-07-12 | 2019-01-16 | Linde Aktiengesellschaft | Prozess und anlage zur herstellung von propylen durch kombination von propandehydrierung und dampfspaltverfahren mit vortrennschritten in beiden verfahren zur teilweise entfernung von wasserstoff und methan |
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TW201524950A (zh) | 2015-07-01 |
WO2015071105A1 (de) | 2015-05-21 |
BR112016010937B1 (pt) | 2021-05-25 |
TWI639582B (zh) | 2018-11-01 |
KR102355362B1 (ko) | 2022-01-25 |
ZA201805021B (en) | 2022-04-28 |
CA2929066C (en) | 2021-11-16 |
CN105722956A (zh) | 2016-06-29 |
ES2887854T3 (es) | 2021-12-28 |
CA2929066A1 (en) | 2015-05-21 |
EA201690860A1 (ru) | 2016-12-30 |
AU2014350485A1 (en) | 2016-06-30 |
CN105722956B (zh) | 2020-05-12 |
AU2014350485B2 (en) | 2018-07-05 |
EP3312261B1 (de) | 2021-07-14 |
EA030273B1 (ru) | 2018-07-31 |
EP3312261A1 (de) | 2018-04-25 |
KR20160085851A (ko) | 2016-07-18 |
BR122020010806B1 (pt) | 2021-10-13 |
MY184815A (en) | 2021-04-23 |
EP3068849A1 (de) | 2016-09-21 |
NO3068849T3 (ja) | 2018-06-30 |
HUE037419T2 (hu) | 2018-08-28 |
ZA201602851B (en) | 2019-10-30 |
US20160319206A1 (en) | 2016-11-03 |
HUE055690T2 (hu) | 2021-12-28 |
PH12016500752A1 (en) | 2016-05-30 |
US10465132B2 (en) | 2019-11-05 |
JP2016538290A (ja) | 2016-12-08 |
EP3068849B1 (de) | 2018-01-31 |
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