JP5595265B2 - 合成ガスの製造方法 - Google Patents
合成ガスの製造方法 Download PDFInfo
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- JP5595265B2 JP5595265B2 JP2010507891A JP2010507891A JP5595265B2 JP 5595265 B2 JP5595265 B2 JP 5595265B2 JP 2010507891 A JP2010507891 A JP 2010507891A JP 2010507891 A JP2010507891 A JP 2010507891A JP 5595265 B2 JP5595265 B2 JP 5595265B2
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- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
- C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
- C01B3/46—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using discontinuously preheated non-moving solid materials, e.g. blast and run
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- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
- C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
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- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
- C01B2203/0238—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a carbon dioxide reforming step
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- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/025—Processes for making hydrogen or synthesis gas containing a partial oxidation step
- C01B2203/0261—Processes for making hydrogen or synthesis gas containing a partial oxidation step containing a catalytic partial oxidation step [CPO]
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/06—Integration with other chemical processes
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/06—Integration with other chemical processes
- C01B2203/061—Methanol production
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- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
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- C01B2203/06—Integration with other chemical processes
- C01B2203/062—Hydrocarbon production, e.g. Fischer-Tropsch process
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/0838—Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel
- C01B2203/0844—Methods of heating the process for making hydrogen or synthesis gas by heat exchange with exothermic reactions, other than by combustion of fuel the non-combustive exothermic reaction being another reforming reaction as defined in groups C01B2203/02 - C01B2203/0294
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- C01B2203/80—Aspect of integrated processes for the production of hydrogen or synthesis gas not covered by groups C01B2203/02 - C01B2203/1695
- C01B2203/86—Carbon dioxide sequestration
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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
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
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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
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- Y02P30/00—Technologies relating to oil refining and petrochemical industry
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- Combustion & Propulsion (AREA)
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- Hydrogen, Water And Hydrids (AREA)
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Description
nCO2+CnH2n+2 → 2nCO+(n+1)H2
に従っているということである。
CH4+H2O → CO+3H2
となる。
CnH2n+2+nH2O → nCO+(2n+1)H2
CH4+1/2O2 → CO+2H2
1)二酸化炭素の乾燥改質法に、水素の燃焼による熱エネルギーを供給する、
2)二酸化炭素を直接酸素と反応させる、
3)乾燥改質の際に発生する合成ガスの化学量論を、水素リッチな混合物に適合させる。
CnH2n+2+n/2O2 → nCO+n+1H2
CnH2n+2+n/2O2 → nCO+(n+1)H2
反応式(1)に従った、二酸化炭素の乾燥改質:
(1)CO2+CH4 → 2CO+2H2
反応式(2)に従った水蒸気改質:
(2)CH4+H2O → CO+3H2
(3)CH4+1/2O2 → CO+2H2
(3)の反応エンタルピーは、−35.6kJ/molとわずかに発熱性である
(3)に対する代替的な反応は:
(4)3CH4+O2+H2O →3CO+7H2
である。
(5)CO2+(3n−1)H2O+3CnH2n+n → (3n+1)CO+(6n+2)H2
メタン(n=1)を使用する場合、(5)で660kJ/molの吸熱性反応エンタルピーが生じる。この反応エンタルピーを工業設計の基礎として日中運転のために使用することができる、すなわち1単位(CO+2H2)につき165kJ/molを消費する。例えばFT反応(フィッシャー−トロプシュ反応)により形成される典型的なパラフィンに換算すると、13.75MJ/kg(CH2)である。1MWのソーラープラントを基本とし、かつ熱の再獲得による出発物質加熱の際の熱損失を最小限にすると、(5)に従った混合式改質の製造速度(1時間あたり0.3トンのパラフィン生成物を製造可能)は、1年あたり約2,700トンの年生産量に相当する。燃料もしくは石油供給量の製造能力に対する標準的な記載に換算すると、これは太陽エネルギー1MWあたり54b/d(1日あたりのバレル量)である。
本発明による方法と関連して使用することができる適切なソーラープラントは、凹面鏡プラント、直射光の集光による太陽熱発電所、または並列接続された多数のパラボラコレクタ、またはフレネルコレクタ(いわゆる直線型集光器)から成るソーラーファーム発電所である。適しているのはまた、タワー式太陽熱発電所(太陽による蒸気発生を備える蒸気発電所)、ならびに集光器の無い太陽熱発電所である。
Claims (12)
- 二酸化炭素を使用した、合成ガスの製造および反応のための連続方法において、前記方法が、
基本的に相互に交互に行われる
(i)日中運転、および
(ii)夜間運転
から成る、複数の異なる運転状態を有し、
日中運転(i)は、主に炭化水素の乾燥改質と水蒸気改質を再生可能なエネルギーを供給して行うことを含み、夜間運転(ii)は主に炭化水素の部分酸化を含み、この際この合成ガスを液体燃料の製造のために使用する方法であって、
異なる運転状態の間に製造された合成ガスが、一酸化炭素対水素の比が0.2〜0.8の範囲の総組成を有し、
二酸化炭素放出を無視できる程度にしか引き起こさない熱源またはエネルギー源を前記方法に用い、太陽光が不足する時間をしのぐために、乾燥改質または部分酸化とは異なる供給源から得られる、適切な化学量論の合成ガス余剰分から得られる水素を代替の熱源として用いることを特徴とする方法。 - 乾燥改質、水蒸気改質、および部分酸化のために使用する炭化水素が、炭素原子が5未満の短鎖の炭化水素化合物であることを特徴とする、請求項1に記載の方法。
- 乾燥改質、水蒸気改質、および部分酸化のために使用する炭化水素が、天然ガス、バイオガス、またはメタン含分が70体積%より高い他のメタン含有ガスであることを特徴とする、請求項2に記載の方法。
- 前記合成ガスが、一酸化炭素対水素の比について1:2の総組成を有することを特徴とする、請求項1から3までのいずれか1項に記載の方法。
- 乾燥改質、水蒸気改質、および部分酸化を異なる反応器で行うことを特徴とする、請求項1から4までのいずれか1項に記載の方法。
- 乾燥改質、水蒸気改質、および部分酸化のうちの2つの反応を共通の反応器で行い、この際この共通の反応器が第3の工程段階を行う反応器と直列に、または並列に接続されていることを特徴とする、請求項1から4までのいずれか1項に記載の方法。
- 乾燥改質、水蒸気改質、および部分酸化を共通の反応器で行うことを特徴とする、請求項1から4までのいずれか1項に記載の方法。
- 工程に供給するエネルギーが、太陽エネルギー、核エネルギー、地熱エネルギー、風力エネルギー、または水力エネルギーであることを特徴とする、請求項1から7までのいずれか1項に記載の方法。
- 日中運転の間に工程に供給するエネルギーが、基本的に太陽エネルギーから成ることを特徴とする、請求項1から8までのいずれか1項に記載の方法。
- 工程で製造される有用生成物が、ジメチルエーテル、メタノール、C6〜C60の範囲の長鎖の、および/または環式の炭化水素、オレフィン、および/または芳香族化合物であることを特徴とする、請求項1から9までのいずれか1項に記載の方法。
- 日中運転で再生可能エネルギーの供給により主に炭化水素の乾燥改質と水蒸気改質を行い、夜間運転で主に炭化水素の部分酸化を行って、一酸化炭素対水素の比が0.2〜0.8の範囲の総組成を有する合成ガスを、二酸化炭素を使用して連続して製造する、液体燃料の製造のための合成ガスの使用であって、
二酸化炭素放出を無視できる程度にしか引き起こさない熱源またはエネルギー源を前記製造の方法に用い、太陽光が不足する時間をしのぐために、乾燥改質または部分酸化とは異なる供給源から得られる、適切な化学量論の合成ガス余剰分から得られる水素を代替の熱源として用いる、ことを特徴とする使用。 - 合成ガスの製造のために、主にメタン含有炭化水素化合物、および/または二酸化炭素を使用することを特徴とする、請求項11に記載の合成ガスの使用。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007022723A DE102007022723A1 (de) | 2007-05-11 | 2007-05-11 | Verfahren zur Herstellung von Synthesegas |
DE102007022723.1 | 2007-05-11 | ||
PCT/EP2008/055770 WO2008138899A1 (de) | 2007-05-11 | 2008-05-09 | Verfahren zur herstellung von synthesegas |
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JP2010526759A JP2010526759A (ja) | 2010-08-05 |
JP2010526759A5 JP2010526759A5 (ja) | 2014-07-17 |
JP5595265B2 true JP5595265B2 (ja) | 2014-09-24 |
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JP2010507891A Expired - Fee Related JP5595265B2 (ja) | 2007-05-11 | 2008-05-09 | 合成ガスの製造方法 |
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US (1) | US8691181B2 (ja) |
EP (1) | EP2146926B1 (ja) |
JP (1) | JP5595265B2 (ja) |
KR (1) | KR101594188B1 (ja) |
CN (1) | CN101679031A (ja) |
DE (1) | DE102007022723A1 (ja) |
WO (1) | WO2008138899A1 (ja) |
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US20100305221A1 (en) | 2010-12-02 |
EP2146926A1 (de) | 2010-01-27 |
KR101594188B1 (ko) | 2016-02-15 |
US8691181B2 (en) | 2014-04-08 |
WO2008138899A1 (de) | 2008-11-20 |
CN101679031A (zh) | 2010-03-24 |
EP2146926B1 (de) | 2013-01-02 |
DE102007022723A1 (de) | 2008-11-13 |
KR20100017757A (ko) | 2010-02-16 |
JP2010526759A (ja) | 2010-08-05 |
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