JP4971975B2 - 熱成長アルミナに直接適用される触媒材料を有する触媒、及びこれを用いる触媒作用法;改善された酸化的脱水素方法 - Google Patents
熱成長アルミナに直接適用される触媒材料を有する触媒、及びこれを用いる触媒作用法;改善された酸化的脱水素方法 Download PDFInfo
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- JP4971975B2 JP4971975B2 JP2007505170A JP2007505170A JP4971975B2 JP 4971975 B2 JP4971975 B2 JP 4971975B2 JP 2007505170 A JP2007505170 A JP 2007505170A JP 2007505170 A JP2007505170 A JP 2007505170A JP 4971975 B2 JP4971975 B2 JP 4971975B2
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- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- MIVBAHRSNUNMPP-UHFFFAOYSA-N manganese(2+);dinitrate Chemical compound [Mn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MIVBAHRSNUNMPP-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013335 mesoporous material Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
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- 238000006396 nitration reaction Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
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- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- 239000010453 quartz Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 238000005932 reductive alkylation reaction Methods 0.000 description 1
- 238000006578 reductive coupling reaction Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- AFCAKJKUYFLYFK-UHFFFAOYSA-N tetrabutyltin Chemical compound CCCC[Sn](CCCC)(CCCC)CCCC AFCAKJKUYFLYFK-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
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- 239000010457 zeolite Substances 0.000 description 1
Images
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Description
35 U.S.C. セクション119(e)に従い、この出願は、2004年3月23日付米国仮出願第60/556014号の優先権を主張する。また、この出願は2004年10月21日付米国特許出願第10/966162号の部分係属出願でもある。
この発明は、米国エネルギー省によって発注された契約番号DE-FC36-04GO14154の下で米国政府の支援下で成された。米国政府はこの発明において所定の権利を有する。
本発明は、マイクロチャネル装置、触媒及びその製造方法に関する。本発明はまた、化学反応及びマイクロチャネル化学反応器にも関する。
近年、マイクロチャネル装置に大きな学問的及び工業的関心が集まっている。この関心は、寸法が小さいこと、生産性が高められること、任意の所望のキャパシティのシステムをサイズ変更することができること(即ち「ナンバーアップ」)、熱移動が増大すること、及び物質移動が増大することを含むマイクロ技術からの利点により、生じたものである。マイクロ反応器(マイクロチャネル装置の一部)を用いたある種の研究の論評が、Gavrilidisらによって「Technology And Applications Of Microengineered Reactors」、Trans. IChemE、Vol. 80、Part A、pp.3-30(2002年1月)に提供されている。
第1の局面において、本発明は、反応物質(即ち反応成分)をマイクロチャネル反応器に通して前記反応物質を少なくとも1種の生成物に転化させることを含む、化学反応の実施方法を提供する。
・金属基材を含む反応用マイクロチャネル;
・前記金属基材上に配置させた、稠密で実質的に欠陥のないアルミナ層;及び
・前記アルミナ層上に直接配置させた触媒金属粒子:
を含む。反応器上の触媒は、本明細書に記載した触媒特徴を有することができる。例えば、ある具体例においては触媒金属の少なくとも30質量%が3μm又はそれより大きい寸法を有する粒子の形にある。好ましくは、金属基材はマイクロチャネル壁を含む。この反応器を方法との組合せにおいて説明するが、本発明は反応器自体も包含する。
(a)反応用マイクロチャネル中に入れられるエタンの少なくとも50%が生成物に転化し且つエテンへの選択性が少なくとも85%であり;又は
(b)反応用マイクロチャネルに入れられるエタンの少なくとも70%が生成物に転化し且つエテンへの選択性が少なくとも80%であり、前記の選択性及び転化率のレベルが反応用マイクロチャネルへの1回通過に基づくものである:
前記方法を提供する。前記反応用マイクロチャネルは、基材上にコーティングされた触媒を含む。好ましい具体例において、前記基材は反応用マイクロチャネルの壁である。好ましくは、この反応は相対的にほとんど希釈剤を用いずに実施される。この方法においては、反応用マイクロチャネルから隣接する熱交換器(好ましくはマイクロチャネル熱交換器)へと熱を取り除くのが好ましい。
内部マイクロチャネル中にアルミナイド層を形成させ;
前記アルミナイド層からアルミナ層を加熱成長させ;そして
熱成長アルミナ上に触媒材料を直接付着させる
ことを含む、前記方法を提供する。
アルミナイド含有基材;
該アルミナイド含有基材上に配置させた熱成長アルミナ層;及び
該熱成長アルミナ層上に直接配置させた触媒材料:
を含む触媒を提供する。
・少なくとも1つの連続マイクロチャネルが、少なくとも45゜(ある具体例においては少なくとも90°)の曲がり角(ターン)(ある具体例においてはU型ベンド(湾曲部))、並びに50cm若しくはそれを超える長さ、又は20cm若しくはそれを超える長さ及び2mm若しくはそれ未満の寸法(ある具体例においては50〜500cmの長さ)を有すること;
・少なくとも2つの隣接するチャネルが少なくとも1cmの隣接長さにわたって共通のマイクロチャネル壁に沿って設けられた複数のオリフィスによって連結され、ここで、オリフィスの面積は該オリフィスが設けられたマイクロチャネル壁の面積の20%又はそれ未満であり、それぞれのオリフィスが0.6mm2又はそれより小さく、ある具体例においては0.1mm2又はそれより小さいこと(コーティングは孔を詰まらせることなく塗布されるべきであるので、これは特に挑戦的な形態である);或は
・少なくとも2つ(ある具体例においては少なくとも5つ)の平行の(並列した)マイクロチャネル(少なくとも1cmの長さを有するもの)が一体型多岐管(マニホールド)への開口を有し、ここで、前記多岐管の少なくとも1つの寸法が平行マイクロチャネル群の最小寸法の3倍を超えないものとする{例えば、平行マイクロチャネル群の内の1つの高さが(平行マイクロチャネル群のおける最小寸法として)1mmである場合には、この多岐管の高さは3mmを超えない}。
一体型多岐管は組立て装置の一部であり、連結管ではない。複合マイクロチャネルは、内部マイクロチャネルの1つのタイプである。
マイクロチャネル装置
・少なくとも1つの連続マイクロチャネルが、少なくとも45゜(ある具体例においては少なくとも90°)の曲がり角(ある具体例においてはU型ベンド)、並びに50cm若しくはそれより大きい長さ、又は20cm若しくはそれより大きい長さ及び2mm若しくはそれ未満の寸法(ある具体例においては50〜500cmの長さ)を有すること;
・少なくとも2つの隣接するチャネルが少なくとも1cmの隣接長さにわたって共通のマイクロチャネル壁に沿って設けられた複数のオリフィスによって連結され、ここで、オリフィスの面積は該オリフィスが設けられたマイクロチャネル壁の面積の20%又はそれ未満であり、それぞれのオリフィスが0.6mm2又はそれより小さく、ある具体例においては0.1mm2又はそれより小さいこと(コーティングは孔を詰まらせることなく塗布されるべきであるので、これは特に挑戦的な形態である);或は
・少なくとも2つ(ある具体例においては少なくとも5つ)の平行したマイクロチャネル(少なくとも1cmの長さを有するもの)が一体型多岐管への開口を有し、ここで、前記多岐管の少なくとも1つの寸法が平行マイクロチャネル群の最小寸法の3倍を超えないものとする(例えば、平行マイクロチャネルの内の1つの高さ(平行マイクロチャネル群のおける最小寸法として)が1mmである場合には、この多岐管の高さは3mmを超えない)。
一体型多岐管は組立て装置の一部であり、連結管ではない。ある装置においてはマイクロチャネルはU型ベンドを含有し、これは、運転の間にフロー(又はフローの少なくとも一部)が装置内及び連続チャネル内を逆方向に通ることを意味する(ある好ましい具体例においては単一のマイクロチャネル内でマイクロチャネル内のすべてのフローがU型ベンドを通って反対方向に通るが、U型ベンドを有する連続チャネルはW型ベンドのような分流を包含することに留意されたい)。
44・・・ニッケル含有層
46・・・アルミナイドの層
48・・・アルミナの層
49・・・触媒活性材料
Claims (16)
- 金属基材を含む反応用マイクロチャネル;
前記金属基材上に配置させたアルミナイド層から熱成長させたアルミナ層;及び
前記アルミナ層上に直接配置させた触媒金属粒子:
を含む、マイクロチャネル反応器であって、
触媒材料がアルミナ層に直接塗布され、介在層が存在せず、ウォッシュコートされた触媒担体と共に付着させた触媒材料も存在せず、且つ、
前記触媒がPt、Pd、Rh、Ni、Co、Ag、Au、Ir及びRuより成る群から選択される少なくとも1種の金属を含み;又は前記触媒がLi、Mo、V、Nb、Sb、Sn、Zr、Cr、Mg、Mn、Ni、Co、Ce、希土類金属及びそれらの混合物より成る群から選択される金属の少なくとも1種の酸化物又はリン酸塩を含む、前記マイクロチャネル反応器。 - 前記触媒金属の少なくとも30質量%が3μm又はそれより大きい寸法を有する粒子の形にある、請求項1に記載のマイクロチャネル反応器。
- 前記金属基材がマイクロチャネル壁を含む、請求項1に記載のマイクロチャネル反応器。
- 前記金属基材がマイクロチャネル壁上のアルミナイド層を含み、該アルミナイド層が10質量%又はそれより多くの金属及び5質量%又はそれより多くのアルミニウム(Al)を含有し、金属とAlとの合計が50質量%又はそれより多い、請求項3に記載のマイクロチャネル反応器。
- 前記触媒金属粒子がPt及びSnを1〜4の範囲のPt/Sn原子比で含む、請求項4に記載のマイクロチャネル反応器。
- 請求項1に記載のマイクロチャネル反応器にアルカンを通し;そして
前記アルカンをアルケンに転化させる:
ことを含む、酸化的脱水素反応の実施方法。 - 請求項5に記載のマイクロチャネル反応器にエタンを通し;そして
エタンをエチレンに転化させる:
ことを含む、酸化的脱水素反応の実施方法。 - 請求項1に記載のマイクロチャネル反応器中の触媒を製造する方法であって、
反応器マイクロチャネル中にアルミナイド層を形成させ、ここで、この反応器マイクロチャネルが内部マイクロチャネルであり、前記アルミナイド層が10質量%又はそれより多くの金属及び5質量%又はそれより多くのアルミニウム(Al)を含有し、金属とAlとの合計が50質量%又はそれより多く;
前記アルミナイド層からアルミナ層を熱成長させ;そして
熱成長アルミナ上に触媒材料を直接付着させる
ことを含む、前記方法。 - (a)反応用マイクロチャネル中に入れられるエタンの少なくとも50%が生成物に転化し且つエテンへの選択性が少なくとも85%であり;又は
(b)反応用マイクロチャネル中に入れられるエタンの少なくとも70%が生成物に転化し且つエテンへの選択性が少なくとも80%であり;そして
前記の選択性及び転化率のレベルが反応用マイクロチャネルへの1回通過に基づくものである、請求項7に記載の方法。 - 前記基材が反応用マイクロチャネルの壁を含み、熱を反応用マイクロチャネルから隣接する熱交換器に取り除くことをさらに含む、請求項9に記載の方法。
- 前記反応用マイクロチャネル中に入れられるエタンの少なくとも約80%が生成物に転化する、請求項10に記載の方法。
- 前記の隣接する熱交換器がマイクロチャネル熱交換器を含む、請求項10に記載の方法。
- 前記のエテンへの選択性が84%〜約93%の範囲である、請求項11に記載の方法。
- 請求項5に記載のマイクロチャネル反応器中にアルカンを通すことを含む、酸化的脱水素方法。
- 前記触媒がPt及びSnを約2.3〜約2.5の範囲のPt/Sn原子比で含む、請求項14に記載の方法。
- 前記熱成長を1000〜1100℃の温度において実施した、請求項1に記載のマイクロチャネル反応器。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55601404P | 2004-03-23 | 2004-03-23 | |
| US60/556,014 | 2004-03-23 | ||
| US10/966,162 US8062623B2 (en) | 2004-10-15 | 2004-10-15 | Stable, catalyzed, high temperature combustion in microchannel, integrated combustion reactors |
| US10/966,162 | 2004-10-15 | ||
| PCT/US2005/009814 WO2006036193A1 (en) | 2004-03-23 | 2005-03-23 | Micro-channel reactor with catalysts applied directly to thermally-grown alumina, methods using same and oxidative dehydrogenation |
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| Publication Number | Publication Date |
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| JP2007530260A JP2007530260A (ja) | 2007-11-01 |
| JP4971975B2 true JP4971975B2 (ja) | 2012-07-11 |
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| Country | Link |
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| EP (1) | EP1755777B1 (ja) |
| JP (1) | JP4971975B2 (ja) |
| CA (1) | CA2560879C (ja) |
| WO (1) | WO2006036193A1 (ja) |
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| AU2005229044B2 (en) * | 2004-03-23 | 2010-08-12 | Velocys, Inc. | Protected alloy surfaces in microchannel apparatus and catalysts, alumina supported catalysts, catalyst intermediates, and methods of forming catalysts and microchannel apparatus |
| DE102005004075B4 (de) * | 2005-01-28 | 2008-04-03 | Umicore Ag & Co. Kg | Keramischer Mikroreaktor |
| WO2007111997A2 (en) * | 2006-03-23 | 2007-10-04 | Velocys Inc. | Process for making styrene using microchannel process technology |
| JP4254823B2 (ja) * | 2006-08-30 | 2009-04-15 | カシオ計算機株式会社 | 反応装置及び電子機器 |
| FR2937655A1 (fr) * | 2008-10-29 | 2010-04-30 | Renault Sas | Procedes de depot d'un catalyseur par voie sol/gel, par suspension ou par depot chimique en phase vapeur sur un reacteur microstructure |
| DE102009018422A1 (de) * | 2009-04-22 | 2010-11-04 | Emitec Gesellschaft Für Emissionstechnologie Mbh | Verfahren zur Herstellung eines beschichteten Wabenkörpers |
| JP5770718B2 (ja) * | 2009-05-20 | 2015-08-26 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | モノリス触媒とその使用方法 |
| TWI493141B (zh) * | 2010-03-29 | 2015-07-21 | Guan Bang Chen | 微管路之觸媒燃燒器 |
| JP5354399B2 (ja) * | 2011-06-17 | 2013-11-27 | 株式会社豊田中央研究所 | オゾン分解除去用触媒、その製造方法、およびオゾン分解除去方法 |
| CN103959493B (zh) * | 2011-10-04 | 2017-06-09 | 巴斯夫欧洲公司 | 微换热器与热电模块的集成组件 |
| WO2013135666A1 (de) | 2012-03-13 | 2013-09-19 | Bayer Intellectual Property Gmbh | Axialer strömungsreaktor auf der basis einer fe-cr-al-legierung |
| CN103572271B (zh) * | 2013-10-16 | 2016-03-02 | 华东师范大学 | 利用压差在微通道板侧壁沉积薄膜的装置和使用方法 |
| JP6785133B2 (ja) | 2016-05-20 | 2020-11-18 | 株式会社クボタ | オレフィン製造用熱分解管および脱水素化触媒の製造方法 |
| WO2017199612A1 (ja) * | 2016-05-20 | 2017-11-23 | 株式会社クボタ | オレフィン製造用熱分解管および脱水素化触媒の製造方法 |
| JP6925961B2 (ja) * | 2017-12-27 | 2021-08-25 | 株式会社クボタ | オレフィン製造用熱分解管 |
| CN113165998A (zh) * | 2018-08-31 | 2021-07-23 | 陶氏环球技术有限责任公司 | 用于使烃脱氢的方法 |
| CN111266068B (zh) * | 2020-03-04 | 2021-08-06 | 大连理工大学 | 一种接枝负载催化剂的纳米结构微通道基底的微反应器及其制备方法 |
| CN115594610A (zh) * | 2022-11-25 | 2023-01-13 | 潍坊中汇化工有限公司(Cn) | 一种微通道连续化生产高纯乙腈的方法 |
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| US6616909B1 (en) * | 1998-07-27 | 2003-09-09 | Battelle Memorial Institute | Method and apparatus for obtaining enhanced production rate of thermal chemical reactions |
| ZA200209011B (en) * | 2001-11-20 | 2003-05-26 | Rohm & Haas | Electroactive catalysis. |
| US6713519B2 (en) * | 2001-12-21 | 2004-03-30 | Battelle Memorial Institute | Carbon nanotube-containing catalysts, methods of making, and reactions catalyzed over nanotube catalysts |
| US7402719B2 (en) * | 2002-06-13 | 2008-07-22 | Velocys | Catalytic oxidative dehydrogenation, and microchannel reactors for catalytic oxidative dehydrogenation |
| US7404936B2 (en) * | 2002-10-22 | 2008-07-29 | Velocys | Catalysts, in microchannel apparatus, and reactions using same |
| US7294734B2 (en) * | 2003-05-02 | 2007-11-13 | Velocys, Inc. | Process for converting a hydrocarbon to an oxygenate or a nitrile |
| US7220390B2 (en) * | 2003-05-16 | 2007-05-22 | Velocys, Inc. | Microchannel with internal fin support for catalyst or sorption medium |
| EP1628755A2 (en) * | 2003-05-16 | 2006-03-01 | Velocys Inc. | Oxidation process using microchannel technology and novel catalyst useful in same |
| US7722854B2 (en) * | 2003-06-25 | 2010-05-25 | Velocy's | Steam reforming methods and catalysts |
| CA2536462A1 (en) * | 2003-06-25 | 2005-01-13 | Velocys, Inc. | Catalysts, systems and methods of steam reforming, and methods of making steam reforming catalysts |
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| EP1755777B1 (en) | 2012-05-23 |
| JP2007530260A (ja) | 2007-11-01 |
| CA2560879A1 (en) | 2006-04-06 |
| WO2006036193A1 (en) | 2006-04-06 |
| EP1755777A1 (en) | 2007-02-28 |
| CA2560879C (en) | 2014-05-13 |
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