JP2012522820A - 水素の電気化学的分離によって天然ガスを芳香族化合物に変換する方法および水素を水に電気化学的に変換する方法 - Google Patents
水素の電気化学的分離によって天然ガスを芳香族化合物に変換する方法および水素を水に電気化学的に変換する方法 Download PDFInfo
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- JP2012522820A JP2012522820A JP2012503958A JP2012503958A JP2012522820A JP 2012522820 A JP2012522820 A JP 2012522820A JP 2012503958 A JP2012503958 A JP 2012503958A JP 2012503958 A JP2012503958 A JP 2012503958A JP 2012522820 A JP2012522820 A JP 2012522820A
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- oxygen
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- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 229920001592 potato starch Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000012465 retentate Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- QYHFIVBSNOWOCQ-UHFFFAOYSA-N selenic acid Chemical class O[Se](O)(=O)=O QYHFIVBSNOWOCQ-UHFFFAOYSA-N 0.000 description 1
- 238000001612 separation test Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229910052713 technetium Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000007704 wet chemistry method Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910000166 zirconium phosphate Inorganic materials 0.000 description 1
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
a)1〜4個の炭素原子を有する少なくとも1種の脂肪族炭化水素を含有する出発材料流Eを、触媒の存在下で、非酸化的条件下で、芳香族炭化水素および水素を含有する生成物流Pに変換し、かつ、
b)生成物流Pから変換の際に生じる水素の少なくとも一部を、少なくとも1個の選択的プロトン伝導性膜、および該膜の各側に少なくとも1個の電極触媒を有する、気密性膜電極アセンブリを用いて電気化学的に分離し、その際、膜の保持側でアノード触媒と接触させて水素の少なくとも一部をプロトンに酸化し、かつ該プロトンを、膜を通過させた後に透過側でカソード触媒と接触させて酸素により水に変換し、この際、酸素は、膜の透過側で接触する酸素含有流O由来である、
を含む。
5cm2の活性面積を有する膜電極アセンブリを使用し、これは、リン酸で充填されたポリベンズイミダゾールをベースとする膜を有する。この膜は、Celtec P(登録商標)の名称下で、BASF Fuel Cell GmbHから入手可能である。アノードおよびカソードに関してそれぞれガス拡散電極を使用し、これはELAT(登録商標)の名称下で、同様にBASF Fuel Cell GmbHから入手可能である。アノードもカソードも同様に、それぞれ1mg/cm2白金を含有していた。試験は、160℃の運転温度および大気圧下で実施した。ガス混合物を、分離試験のために予め混合し、かつ、これが11.40モル%の水素、88.10モル%のメタン、5000モルppmのエテン、100モルppmのベンゼンおよび50モルppmのエタンを含有していた。カソード側で空気を、およびアノード側でガス混合物を、それぞれ同じ流量でこれらの側に沿って導いた。異なるが、それぞれ一定に保持されたガス流で、透過側上で得られたガス混合物についてガスクロマトグラフによる分析を行い、かつ電流密度を測定した。第1表において、得られた水素変換率および電流密度を示し、この際、変換率H2は、分離されたH2量を、アノードガス流中に含まれる水素に対する%で表す。
Claims (13)
- 1〜4個の炭素原子を有する脂肪族炭化水素を芳香族炭化水素に変換する方法において、該方法が、以下の工程:
a)1〜4個の炭素原子を有する少なくとも1種の脂肪族炭化水素を含有する出発材料流Eを、触媒の存在下で、非酸化的条件下で、芳香族炭化水素および水素を含有する生成物流Pに変換し、かつ、
b)生成物流Pから変換の際に生じた水素の少なくとも一部を、少なくとも1個の選択的プロトン伝導性膜、および該膜の各側に少なくとも1個の電極触媒を有する、気密性膜電極アセンブリを用いて電気化学的に分離し、この際、膜の保持側でアノード触媒と接触させて水素の少なくとも一部をプロトンに酸化し、かつ該プロトンを、膜を通過させた後に透過側でカソード触媒と接触させて酸素により水に変換し、この際、酸素は、膜の透過側で接触する酸素含有流O由来である、
を含む、前記方法。 - 生じた芳香族炭化水素を、工程a)およびb)の間において生成物流Pから分離する、請求項1に記載の方法。
- 生じた芳香族炭化水素を、工程b)の後に生成物流Pから分離する、請求項1に記載の方法。
- 生成物流Pを、生じた水素の少なくとも一部および芳香族炭化水素の分離後に、方法に返送する、請求項1から3までのいずれか1項に記載の方法。
- 工程b)を20〜1200℃の温度で行う、請求項1から4までのいずれか1項に記載の方法。
- 酸素含有流Oが、少なくとも15モル%の水素を含有する、請求項1から5までのいずれか1項に記載の方法。
- 酸素含有流Oとして空気を使用する、請求項1から6までのいずれか1項に記載の方法。
- 工程b)を0.5〜10バールの圧力で行う、請求項1から7までのいずれか1項に記載の方法。
- 工程b)において保持側および透過側を同じ圧力に保つ、請求項1から8までのいずれか1項に記載の方法。
- 選択的プロトン伝導性膜として、ポリマー膜およびセラミック膜から成る群から選択された膜を使用する、請求項1から9までのいずれか1項に記載の方法。
- 電極としてガス拡散電極を使用する、請求項1から10までのいずれか1項に記載の方法。
- 出発材料流Eとして少なくとも50モル%のメタンを含有する、請求項1から11までのいずれか1項に記載の方法。
- 出発材料流Eが天然ガス由来である、請求項1から12までのいずれか1項に記載の方法。
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EA020793B9 (ru) | 2009-04-06 | 2015-05-29 | Басф Се | Способ электрохимического отделения водорода из реакционной смеси |
CN102548953B (zh) | 2009-07-10 | 2014-10-08 | 巴斯夫欧洲公司 | 将烃直接胺化成氨基烃并且包括氢气的电化学分离和氢气形成水的电化学反应的方法 |
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GB201317870D0 (en) | 2013-10-09 | 2013-11-20 | Protia As | Process for dehydroaromatization of alkanes with in-situ hydrogen removal |
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JP2003249254A (ja) * | 2002-02-22 | 2003-09-05 | Masaru Ichikawa | 電力、水素及び芳香族炭化水素の併産システム |
WO2007074689A1 (ja) * | 2005-12-28 | 2007-07-05 | Hitachi, Ltd. | 脱水素作用或いは水素付加作用を有する触媒、及びその触媒を用いた燃料電池、並びに水素貯蔵・供給装置 |
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JP5415610B2 (ja) * | 2009-04-06 | 2014-02-12 | ビーエーエスエフ ソシエタス・ヨーロピア | 水素を電気化学的に除去することによって、電流及び水素を発生させながら天然ガスを芳香族化合物に変換する方法 |
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JP2012522821A (ja) * | 2009-04-06 | 2012-09-27 | ビーエーエスエフ ソシエタス・ヨーロピア | 水素を電気化学的に除去することによって、電流及び水素を発生させながら天然ガスを芳香族化合物に変換する方法 |
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WO2010115747A1 (de) | 2010-10-14 |
ES2530261T3 (es) | 2015-02-27 |
CN102365252B (zh) | 2014-07-16 |
EA020178B1 (ru) | 2014-09-30 |
CN102365252A (zh) | 2012-02-29 |
KR20120022756A (ko) | 2012-03-12 |
PL2417083T3 (pl) | 2015-05-29 |
JP5623503B2 (ja) | 2014-11-12 |
US8575411B2 (en) | 2013-11-05 |
EP2417083B1 (de) | 2014-12-03 |
US20120004482A1 (en) | 2012-01-05 |
EA201171176A1 (ru) | 2012-05-30 |
EP2417083A1 (de) | 2012-02-15 |
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