JP6716722B2 - メタノールの合成方法 - Google Patents
メタノールの合成方法 Download PDFInfo
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- JP6716722B2 JP6716722B2 JP2018561308A JP2018561308A JP6716722B2 JP 6716722 B2 JP6716722 B2 JP 6716722B2 JP 2018561308 A JP2018561308 A JP 2018561308A JP 2018561308 A JP2018561308 A JP 2018561308A JP 6716722 B2 JP6716722 B2 JP 6716722B2
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims description 372
- 238000001308 synthesis method Methods 0.000 title 1
- 239000007789 gas Substances 0.000 claims description 138
- 238000003786 synthesis reaction Methods 0.000 claims description 84
- 230000015572 biosynthetic process Effects 0.000 claims description 77
- 229910052739 hydrogen Inorganic materials 0.000 claims description 77
- 239000001257 hydrogen Substances 0.000 claims description 77
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 68
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 68
- 238000000034 method Methods 0.000 claims description 44
- 238000001816 cooling Methods 0.000 claims description 42
- 239000000203 mixture Substances 0.000 claims description 33
- 239000001569 carbon dioxide Substances 0.000 claims description 32
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 32
- 238000000926 separation method Methods 0.000 claims description 32
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 238000011084 recovery Methods 0.000 claims description 23
- 238000010926 purge Methods 0.000 claims description 21
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 18
- 238000002453 autothermal reforming Methods 0.000 claims description 11
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 11
- 238000005201 scrubbing Methods 0.000 claims description 9
- 239000002912 waste gas Substances 0.000 claims description 8
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000000629 steam reforming Methods 0.000 claims description 2
- 230000002194 synthesizing effect Effects 0.000 claims 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 19
- 238000009833 condensation Methods 0.000 description 19
- 230000005494 condensation Effects 0.000 description 19
- 239000001301 oxygen Substances 0.000 description 19
- 229910052760 oxygen Inorganic materials 0.000 description 19
- 239000000047 product Substances 0.000 description 18
- 230000001419 dependent effect Effects 0.000 description 10
- 239000003345 natural gas Substances 0.000 description 10
- 150000002431 hydrogen Chemical class 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003498 natural gas condensate Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- VODBHXZOIQDDST-UHFFFAOYSA-N copper zinc oxygen(2-) Chemical compound [O--].[O--].[Cu++].[Zn++] VODBHXZOIQDDST-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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Description
Claims (15)
- 水素回収段(4)からの水素含有流(3)が水素および炭素酸化物を含む合成ガス流(2)に供給され、前記合成ガス流(2)を、一次反応器段(5)に供給して、前記合成ガス流(2)を、水、メタノールおよび残留ガスを含有するガス混合物(6)へと触媒的かつ部分的に転化し、残留ガスの第一部分(7)を、前記水素回収段(4)に供給して前記水素含有流(3)と、廃ガス流(11)とに分離するメタノールの合成方法において、
前記残留ガスの第二部分(10)を、第二反応器段(8)に供給してメタノール含有生成物流(9)へと、さらに触媒的かつ少なくとも部分的に転換することを特徴とするメタノールの合成方法。 - 前記残留ガスの前記第一部分(7)および前記残留ガスの前記第二部分(10)が、前記ガス混合物(6)の流れ分割手段により、前記第二反応器段(8)に供給される前記第二部分(10)を含む少なくとも1つの一次リサイクル流(16)および前記水素回収段(4)に供給される第一部分(7)を含むパージ流(17)に分離されることを特徴とする、請求項1〜3のいずれか1項に記載の方法。
- 前記水素回収段(4)に供給する前に、前記パージ流(17)を、スクラッビング段(18)に供給して、前記パージ流(17)に残るメタノールを分離することを特徴とする、請求項4に記載の方法。
- 前記一次リサイクル流(16)を、リサイクル圧縮機(19)を通して導いて圧縮および/または前記一次リサイクル流(16)を、一次リサイクル熱交換機(20)を通して導いて前記ガス混合物(6)を冷却することを特徴とする、請求項4または5に記載の方法。
- 前記ガス混合物(6)を冷却することを特徴とする、請求項1〜6のいずれか1項に記載の方法。
- 前記ガス混合物(6)は、前記残留ガスの第一部分(7)と、前記第二部分(10)とに分割される前に冷却されることを特徴とする、請求項7に記載の方法。
- 前記合成ガス流(2)は、合成ガス圧縮機(24)を通して導かれて圧縮されることを特徴とする、請求項1〜8のいずれかに記載の方法。
- メタノール含有生成物流(9)を別の分離段(25)に供給してさらに前記粗メタノール流(26)を分離することを特徴とする、請求項1〜9のいずれか1項に記載の方法。
- 前記二次リサイクル流(27)は、前記二次リサイクル流(27)中の一酸化炭素のモル比の少なくとも2倍の二酸化炭素のモル比を有することを特徴とする、請求項10に記載の方法。
- 前記合成ガス流(2)は、炭素質エネルギーキャリア流(1)から得られることを特徴とする、請求項1〜11のいずれか1項に記載の方法。
- 前記合成ガス(2)は、自動熱改質段(36a)において前記エネルギーキャリア流(1)から得られ、前記自動熱改質段(36a)において接触部分酸化が吸熱蒸気改質反応に必要な熱を提供することを特徴とする、請求項12に記載の方法。
- スクラッバー副流(41)が前記合成ガス流(2)から除去され、前記スクラッバー副流(41)が、スクラッバー装置(42)に供給されて前記スクラッバー副流(41)から二酸化炭素を分離することを特徴とする、請求項1〜13のいずれか1項に記載の方法。
- 水素および炭素酸化物を含む合成ガス流(2)を提供する供給アセンブリ(2b)と、水素含有流(3)を前記合成ガス流(2)に供給する水素回復段(4)と、前記合成ガス流(2)が供給され、前記合成ガス流(2)を、水、メタノール、および残留ガスを含むガス混合物(6)に触媒的かつ部分的に転換する一次反応器段(5)とを含み、前記残留ガスの第一部分(7)を、前記水素回復段(4)に供給して前記水素含有流(3)および前記残留ガス流(11)に分離するメタノールの合成方法のシステムにおいて、
前記システムは、残前記留ガスの第二部分(10)が供給され、メタノール含有生成物流(9)へとさらに触媒的かつ少なくとも部分的に転換する二次反応器段(8)を備える、システム。
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EP16155353.2A EP3205622B1 (de) | 2016-02-11 | 2016-02-11 | Verfahren zur synthese von methanol |
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PT3844135T (pt) | 2018-08-29 | 2022-10-06 | Eni Spa | Processo e sistema para a síntese do metanol |
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DK3686179T3 (da) | 2019-01-25 | 2021-12-06 | Thyssenkrupp Ind Solutions Ag | Fremgangsmåde til drift af et anlæg til syntese af methanol |
EP3725760A1 (de) * | 2019-04-18 | 2020-10-21 | thyssenkrupp Industrial Solutions AG | Verfahren und anlage zur synthese von methanol |
DE102019113003A1 (de) * | 2019-05-16 | 2020-11-19 | Thyssenkrupp Ag | Verfahren und Anlage zur Synthese von Methanol |
EP3741738B1 (de) * | 2019-05-22 | 2022-09-21 | L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude | Verfahren zur herstellung von methanol |
EP3744416B1 (de) * | 2019-05-28 | 2021-11-24 | thyssenkrupp Industrial Solutions AG | Verfahren und anlage zur synthese von methanol |
EP3782973B1 (de) * | 2019-08-19 | 2023-03-01 | L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude | Verfahren und anlage zur herstellung von methanol |
EP3782974B1 (de) * | 2019-08-19 | 2023-03-01 | L'air Liquide, Société Anonyme Pour L'Étude Et L'exploitation Des Procédés Georges Claude | Verfahren und anlage zur herstellung von methanol aus synthesegasen mit hohem kohlendioxid-anteil |
ES2926723T3 (es) | 2019-10-31 | 2022-10-27 | Air Liquide | Procedimiento e instalación para la producción de metanol a partir de gas de síntesis rico en hidrógeno |
US11697628B2 (en) | 2019-12-03 | 2023-07-11 | Topsoe A/S | Method for the preparation of methanol |
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