JP2007515362A - マイクロチャネル技術を用いる酸化方法およびそのために有用な新規触媒 - Google Patents
マイクロチャネル技術を用いる酸化方法およびそのために有用な新規触媒 Download PDFInfo
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- JP2007515362A JP2007515362A JP2006532382A JP2006532382A JP2007515362A JP 2007515362 A JP2007515362 A JP 2007515362A JP 2006532382 A JP2006532382 A JP 2006532382A JP 2006532382 A JP2006532382 A JP 2006532382A JP 2007515362 A JP2007515362 A JP 2007515362A
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Abstract
Description
(A)炭化水素反応物および酸素または酸素源を含む反応組成物をマイクロチャネル反応器に流し、反応条件下で触媒に接触させて流し生成物を形成するステップを含み、マイクロチャネル反応器が少なくとも1つのプロセスマイクロチャネルを含み、触媒がプロセスマイクロチャネル内に配置され、炭化水素反応物がメタンを含み、プロセスマイクロチャネル内の反応組成物の接触時間は約500ミリ秒以下であり、プロセスマイクロチャネル内の反応組成物と生成物の温度は約1150℃以下であり、炭化水素反応物の変換は少なくとも約50%である方法に関する。
(B)ステップ(A)で形成された中間生成物を、マイクロチャネル反応器を通して流して反応条件下で燃焼触媒に接触させてCO2とH2Oを含む最終生成物を形成する。
M1 aM2 bM3 cAldOx
(式中、M1はRh、Ni、Pd、Pt、Ru、Co、またはその2種以上の混合物であり、
M2はCe、Pr、Tb、またはその2種以上の混合物であり、
M3はLa、Ba、Zr、Mg、Ca、またはその2種以上の混合物であり、
aは約0.0001〜約1の範囲の数字であり、
bは0〜約0.9999の範囲の数字であり、
cは約0.0001〜約0.9999の範囲の数字であり、
dは約0.0001〜約0.9999の範囲の数字であり、
xは存在する元素の要求する原子価を満足するのに必要な酸素の数である)
(A)Al2O3の層を少なくとも担体構造の一部に塗工するステップと、
(B)ステップ(A)で形成した被処理担体構造を焼成するステップと、
(C)ステップ(B)で形成した焼成担体構造の表面に助触媒または安定剤を加えるステップであって、助触媒または安定剤がLa、Ba、Zr、Mg、Ca、またはその酸化物もしくは硝酸塩、あるいその2種以上の混合物を含むステップと、
(D)ステップ(C)で形成した被処理担体構造を焼成するステップと、
(E)ステップ(D)で形成した焼成担体構造の表面に触媒金属またはその酸化物もしくは硝酸塩を塗工するステップであって、触媒金属がRh、Ni、Pd、Pt、Ru、Co、またはその2種以上の混合物を含むステップと、
(F)ステップ(E)で形成した被処理担体構造を焼成して担持触媒を形成するステップとを含む、担持触媒の製造方法に関する。
(1)純粋な炭化水素化合物:すなわち、脂肪族化合物(例えばアルカンまたはアルキレン)、脂環式化合物(例えばシクロアルカン、シクロアルキレン)、芳香族化合物、脂肪族および脂環式化合物で置換した芳香族化合物、芳香族で置換した脂肪族化合物、芳香族で置換した脂環式化合物等。例には、メタン、エタン、エチレン、プロパン、プロピレン、エチルシクロヘキサン、トルエン、キシレン、エチルベンゼン、スチレン等が含まれる。
(2)置換した炭化水素化合物:すなわち、化合物の炭化水素特性を大きく変化させない非炭化水素置換基を含む炭化水素化合物。非炭化水素置換基の例には、ヒドロキシ、アシル、ニトロ等が含まれる。
(3)ヘテロ置換炭化水素化合物:すなわち、特性では主として炭化水素であるが、鎖または環中に炭素以外の原子を含み、他は炭素原子からなる炭化水素化合物。適切なヘテロ原子には、例えば、窒素、酸素、硫黄が含まれる。
M1 aM2 bM3 cAldOx (I)
で表される組成物を含むことができ、
式(I)中、M1はRh、Ni、Pd、Pt、Ru、Co、またはその2種以上の混合物であり、M2はCe、Pr、Tb、またはその2種以上の混合物であり、M3はLa、Ba、Zr、Mg、Ca、またはその2種以上の混合物であり、aは約0.0001〜約1の範囲の数字であり、一実施形態において0.01〜約1であり、bは0〜約0.9999の範囲の数字であり、一実施形態において0〜約0.2であり、cは約0.0001〜約0.9999の範囲の数字であり、一実施形態において約0.01〜約0.2であり、dは約0.0001〜約0.9999の範囲の数字であり、一実施形態において約0.1〜約0.9であり、xは存在する元素の要求する原子価を満足するのに必要な酸素の数であり、触媒は基材上に被覆され、または発泡体、フェルト、ワッドもしくはフィン上に担持される一実施形態においてM1はRhまたはNiであり、一実施形態においてそれはRhである。一実施形態においてM3はLaまたはMgであり、一実施形態においてそれはLaである。一実施形態において触媒は式Rh/LaAl11O18またはRh/LaAlO3によって表すことができる。
(A)Al2O3の層を天然の酸化物層に塗工して被処理担体構造を形成するステップと、
(B)ステップ(A)で形成した被処理担体構造を焼成するステップと、
(C)ステップ(B)で形成した焼成され担体構造の表面に助触媒または安定剤を塗工するステップであって、助触媒または安定剤がLa、Ba、Zr、Mg、Ca、またはその酸化物もしくは硝酸塩、あるいはその2種以上の混合物を含むステップと、
(D)ステップ(C)で形成した被処理担体構造を焼成するステップと、
(E)ステップ(D)で形成した焼成担体構造の表面に触媒金属またはその酸化物もしくは硝酸塩を塗工するステップであって、触媒金属がRh、Ni、Pd、Pt、Ru、Co、またはその2種以上の混合物を含むステップと、
(F)ステップ(E)で形成した被処理担体構造を焼成して担体構造を形成するステップとを含む。一実施形態において、ステップ(F)で形成された触媒は水素中で還元することができる。
CH4変換(%)=(VCH4,in−VCH4,out)/(VCH4,in)×100
H2選択性(%)=(VH2,out測定値)/(VH2,out理論値)×100
CO選択性(%)=(VCO,out)/(VCO2,out+VCO2,out)×100
CH4変換(%)=(VCH4,in−VCH4,out)/(VCH4,in)×100
で計算される。燃焼触媒については、メタン変換は平均温度862℃で30.6%である。このデバイスでは、平均9.3W/cm2がSMR反応へ伝達される。燃焼チャネル中の圧力降下は2.5〜5.0psiである。
Claims (94)
- 炭化水素反応物をCOとH2からなる生成物に変換する方法であって、
(A)該炭化水素反応物および酸素または酸素源からなる反応組成物をマイクロチャネル反応器に流し、反応条件下で触媒に接触させて該生成物を形成するステップからなり、該マイクロチャネル反応器が少なくとも1つのプロセスマイクロチャネルからなり、該触媒が該プロセスマイクロチャネル内に配置され、該炭化水素反応物がメタンからなり、該プロセスマイクロチャネル内の該反応組成物の接触時間が約500ミリ秒以下であり、該プロセスマイクロチャネル内の該反応組成物と生成物の温度が約1150℃以下であり、該炭化水素反応物の変換が少なくとも約50%である方法。 - 請求項1に記載の方法において、ステップ(A)の間、前記触媒は部分酸化触媒であり、ステップ(A)で形成された前記生成物は中間生成物であり、さらにステップ(A)に続く以下の追加のステップ、
(B)ステップ(A)で形成された該中間生成物をマイクロチャネル反応器に流し、反応条件下で燃焼触媒に接触させてCO2とH2Oからなる最終生成物を形成するステップからなる方法。 - 請求項1に記載の方法において、前記反応組成物がさらにH2Oからなり、前記生成物がH2、CO、CO2からなる方法。
- 請求項1に記載の方法において、前記反応組成物がステップ(A)の前に予備加熱される方法。
- 請求項1に記載の方法において、前記反応組成物と酸素または酸素源がステップ(A)の前に混合される方法。
- 請求項1に記載の方法において、前記反応組成物と酸素または酸素源がステップ(A)の間に混合される方法。
- 請求項1に記載の方法において、前記マイクロチャネル反応器が、前記触媒を含む複数のプロセスマイクロチャネルと、流体を該プロセスマイクロチャネルへ流入させる流路を提供するヘッダと、流体を該プロセスマイクロチャネルから離れさせる流路を提供するフッタとからなる方法。
- 請求項7に記載の方法において、各プロセスマイクロチャネルが約10mm以下の幅と高さの内部寸法を有する方法。
- 請求項7に記載の方法において、前記プロセスマイクロチャネルの各々が、入口と、出口と、該入口と該出口の間に展延する伸張部分とからなり、前記プロセスマイクロチャネルがさらに該伸張部分における少なくとも1つの追加の入口からなり、少なくとも1種の反応物が該少なくとも1つの追加の入口を経て前記プロセスマイクロチャネルへ流入する方法。
- 請求項7に記載の方法において、前記プロセスマイクロチャネルが、鋼、モネル、インコネル、アルミニウム、チタン、ニッケル、銅、真鍮、任意の該金属の合金、ポリマー、セラミック、ガラス、ポリマーとファイバーグラスからなる複合材、石英、シリコン、またはその2種以上の組合せからなる材料から作製される方法。
- 請求項7に記載の方法において、前記マイクロチャネル反応器がさらに前記プロセスマイクロチャネルに熱的に接触している熱交換チャネルからなる方法。
- 請求項11に記載の方法において、前記熱交換チャネルがマイクロチャネルからなる方法。
- 請求項11に記載の方法において、各熱交換チャネルが約10mm以下の幅と高さの内部寸法を有する方法。
- 請求項11に記載の方法において、前記熱交換マイクロチャネルが、鋼、モネル、インコネル、アルミニウム、チタン、ニッケル、銅、真鍮、任意の該金属の合金、ポリマー、セラミック、ガラス、ポリマーとファイバーグラスからなる複合材、石英、シリコン、またはその2種以上の組合せからなる材料から作製される方法。
- 請求項9に記載の方法において、少なくとも1つの追加の入口を経て前記プロセスマイクロチャネルへ流入する前記少なくとも1種の反応物が酸素または酸素源からなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物が脂肪族化合物、芳香族化合物、またはその混合物をさらに含む方法。
- 請求項1に記載の方法において、前記炭化水素反応物がさらに分子当たり2〜約20個の炭素原子を含むアルカンからなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物がさらにエタン、プロパン、イソプロパン、ブタン、イソブタン、ペンタン、ヘキサン、ヘプタン、オクタン、ノナン、デカン、またはその2種以上の混合物からなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物が天然ガスからなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物がさらに2〜約20個の炭素原子を含むアルケンからなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物がさらにエチレン、プロピレン、1−ブテン、2−ブテン、イソブチレン、1−ペンテン、2−ペンテン、3−メチル−1−ブテン、2−メチル−2−ブテン、1−ヘキセン、2,3−ジメチル−2−ブテン、1−へプテン、1−オクテン、1−ノネン、1−デセン、またはその2種以上の混合物からなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物がさらに3〜約20個の炭素原子からなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物がさらに1,2−プロパジエン、1,3−ブタジエン、2−メチル−1,3−ブタジエン、1,3−ペンタジエン、1,4−ペンタジエン、1,5−ヘキサジエン、2,4−ヘキサジエン、2,3−ジメチル−1,3−ブタジエン、またはその2種以上の混合物からなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物がさらにアルキルまたはアルキレン置換芳香族化合物からなる方法。
- 請求項1に記載の方法において、炭化水素反応物がトルエン、o−キシレン、m−キシレン、p−キシレン、ヘミメリテン、プソイドクメン、メシチレン、プレーニテン、イソジュレン、ジュレン、ペンタメチルベンゼン、ヘキサメチルベンゼン、エチルベンゼン、n−プロピルベンゼン、クメン、n−ブチルベンゼン、イソブチルベンゼン、sec−ブチルベンゼン、tert−ブチルベンゼン、p−シメン、スチレン、またはその2種以上の混合物からなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物がさらに天然油、合成油、またはその混合物からなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物が蒸留燃料からなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物がさらにナフサ、ディーゼル燃料、燃料油、ケロセンまたはガソリンからなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物がさらに植物原料、鉱物原料、またはその混合物に由来する炭化水素からなる方法。
- 請求項1に記載の方法において、前記炭化水素反応物がさらに大豆、菜種、ヤシ、頁岩、石炭、タール砂、またはその2種以上の混合物に由来する炭化水素からなる方法。
- 請求項1に記載の方法において、前記酸素源が空気からなる方法。
- 請求項1に記載の方法において、前記反応組成物がさらに希釈材料からなる方法。
- 請求項11に記載の方法において、前記プロセスマイクロチャネルが前記熱交換チャネルを流れる熱交換流体と熱を交換する方法。
- 請求項33に記載の方法において、前記熱交換流体が前記熱交換チャネルを流れる際に相変化を起こす方法。
- 請求項11に記載の方法において、前記プロセスマイクロチャネルが前記熱交換チャネル中で行われる吸熱化学反応によって冷却される方法。
- 請求項35に記載の方法において、前記吸熱化学反応が蒸気改質反応または脱水素反応からなる方法。
- 請求項11に記載の方法において、前記反応組成物が前記プロセスマイクロチャネルを第1方向に流れ、熱交換流体が前記熱交換チャネルを第2方向に流れ、該第2方向が該第1方向に対して向流である方法。
- 請求項11に記載の方法において、前記反応組成物が前記プロセスマイクロチャネルを第1方向に流れ、熱交換流体が前記熱交換チャネルを第2方向に流れ、該第2方向が該第1方向に対して並流である方法。
- 請求項11に記載の方法において、前記炭化水素反応組成物が前記プロセスマイクロチャネルを第1方向に流れ、熱交換流体が前記熱交換チャネルを第2方向に流れ、該第2方向が該第1方向に対して向流である方法。
- 請求項11に記載の方法において、前記熱交換流体が前記方法熱交換チャネルを流れ、該熱交換流体が空気、蒸気、液体、水、二酸化炭素、気体窒素、液体窒素、気体炭化水素または液体炭化水素からなる方法。
- 請求項1に記載の方法において、前記触媒が粒子状固体の形である方法。
- 請求項1に記載の方法において、前記触媒がNi、Cr、Feからなる合金、またはFe、Cr、Al、Yからなる合金からなる材料から作られた担体構造によって担持される方法。
- 請求項1に記載の方法において、前記触媒が側流構成、貫通流構成、または蛇行構成を有する担体構造によって担持される方法。
- 請求項1に記載の方法において、前記触媒が発泡体、フェルト、ワッド、フィン、またはその2種以上の組合わせの構成を有する担体構造によって担持される方法。
- 請求項1に記載の方法において、前記触媒が隣接する間隙を備える側流構成、隣接する間隙を備える発泡体構成、間隙を備えるフィン構造、基材上のウォッシュコート、または流動用の間隙を備える金網構成を有する担体構造によって担持される方法。
- 請求項1に記載の方法において、前記触媒が少なくとも1個のフィンからなるフィン組立体の形の担体構造に担持される方法。
- 請求項46に記載の方法において、前記フィン組立体が複数の平行な間隔を置くフィンからなる方法。
- 請求項46に記載の方法において、前記フィンが外部表面を有し、多孔質材料が前記フィンの該外部表面の少なくとも一部を被覆し、前記触媒が該多孔質材料によって担持される方法。
- 請求項48に記載の方法において、前記多孔質材料がコーティング、繊維、発泡体、またはフェルトからなる方法。
- 請求項46に記載の方法において、前記フィンが外部表面を有し、複数の繊維または突起が前記フィンの該外部表面の少なくとも一部から展延し、前記触媒が該突起によって担持される方法。
- 請求項46に記載の方法において、前記フィンが外部表面を有し、前記触媒が、前記フィンの該外部表面の少なくとも一部上にウォッシュコートされるか、前記フィンの該外部表面の少なくとも一部上に溶液から成長するか、あるいは前記フィンの該外部表面の少なくとも一部上に蒸着を用いて堆積される方法。
- 請求項46に記載の方法において、前記フィン組立体が複数の平行な間隔を置くフィンからなり、該フィンの少なくとも1個が他の該フィンの長さとは異なる長さを有する方法。
- 請求項46に記載の方法において、前記フィン組立体が複数の平行な間隔を置くフィンからなり、該フィンの少なくとも1個が他の該フィンの高さとは異なる高さを有する方法。
- 請求項46に記載の方法において、前記フィンが正方形または矩形の形状の断面を有する方法。
- 請求項46に記載の方法において、前記フィンが台形の形状の断面を有する方法。
- 請求項46に記載の方法において、前記フィンが鋼、アルミニウム、チタン、鉄、ニッケル、白金、ロジウム、銅、クロム、真鍮、任意の該金属の合金、ポリマー、セラミック、ガラス、ポリマーとファイバーグラスからなる複合材、石英、シリコン、またはその2種以上の組合せからなる材料から作製される方法。
- 請求項46に記載の方法において、前記フィンが、Ni、Cr、Feからなる合金、またはFe、Cr、Al、Yからなる合金から作製される方法。
- 請求項46に記載の方法において、前記フィンがAl2O3形成材料から作製される方法。
- 請求項46に記載の方法において、前記フィンがCr2O3形成材料から作製される方法。
- 請求項1に記載の方法において、前記触媒がRh、Pt、Ni、Cr、Ru、Pd、Os、Ir、またはその酸化物、あるいはその2種以上の混合物からなる方法。
- 請求項1に記載の方法において、前記触媒が下記式で表される組成物からなり、前記触媒は前記プロセスマイクロチャネルの内部壁上にコーティングされるか、あるいは前記プロセスマイクロチャネル内に配置された発泡体、フェルト、ワッドまたはフィン上に担持される方法。
M1 aM2 bM3 cAldOx
式中、M1はRh、Ni、Pd、Pt、Ru、Co、またはその2種以上の混合物であり、
M2はCe、Pr、Tb、またはその2種以上の混合物であり、
M3はLa、Ba、Zr、Mg、Ca、またはその2種以上の混合物であり、
aは約0.0001〜約1の範囲の数字であり、
bは約0〜約0.9999の範囲の数字であり、
cは約0.0001〜約0.9999の範囲の数字であり、
dは約0.0001〜約0.9999の範囲の数字であり、
xは該存在する元素の要求する原子価を満足するのに必要な酸素の数である。 - 請求項2に記載の方法において、前記燃焼触媒が貴金属またはその酸化物、ペロブスカイトあるいはアルミン酸塩からなる方法。
- 請求項62に記載の方法において、前記燃焼触媒がさらにCe、Tb、もしくはPr、またはその酸化物、あるいはその2種以上の混合物からなる方法。
- 請求項2に記載の方法において、前記燃焼触媒が、Pt、Rh、Pd、Co、Mn、Fe、Ni、またはその酸化物、あるいはその2種以上の混合物からなる方法。
- 請求項1に記載の方法において、前記反応組成物および/または生成物と前記触媒との接触時間が約0.1ミリ秒〜約100秒である方法。
- 請求項1に記載の方法において、前記プロセスマイクロチャネルに流入する前記反応組成物の温度が約200℃〜約1000℃の範囲である方法。
- 請求項1に記載の方法において、前記プロセスマイクロチャネルに流入する前記反応組成物の圧力が約0.1〜約100気圧の範囲である方法。
- 請求項1に記載の方法において、前記プロセスマイクロチャネルを流れる前記反応組成物および生成物の空間速度が少なくとも約100hr−1である方法。
- 請求項1に記載の方法において、前記プロセスマイクロチャネルを流れる前記反応組成物および生成物の圧力降下が、前記プロセスマイクロチャネルの長さ1メートル当たり約2気圧以下である方法。
- 請求項11に記載の方法において、熱交換流体が前記熱交換チャネルを流れ、前記熱交換チャネルを流れる該熱交換流体の全圧力降下が約10気圧以下である方法。
- 炭化水素反応物をH2とCOからなる生成物に変換する方法であって、
(A)該炭化水素反応物および酸素または酸素源からなる反応組成物をマイクロチャネル反応器に流して、反応条件下で触媒に接触させて該反応組成物を該生成物に変換するステップからなり、該炭化水素反応物はメタンからなり、該触媒は下記式で表される組成物からなり、該触媒は該プロセスマイクロチャネルの内部壁上にコーティングされるか、あるいは該プロセスマイクロチャネル内に配置された発泡体、フェルト、ワッドまたはフィン上に担持される方法。
M1 aM2 bM3 cAldOx
式中、M1はRh、Ni、Pd、Pt、Ru、Co、またはその2種以上の混合物であり、
M2はCe、Pr、Tb、またはその2種以上の混合物であり、
M3はLa、Ba、Zr、Mg、Ca、またはその2種以上の混合物であり、
aは約0.0001〜約1の範囲の数字であり、
bは約0〜約0.9999の範囲の数字であり、
cは約0.0001〜約0.9999の範囲の数字であり、
dは約0.0001〜約0.9999の範囲の数字であり、
xは該存在する元素の要求する原子価を満足するのに必要な酸素の数である。 - 下記式で表される組成物からなる触媒であって、基材上にコーティングされるか、あるいは発泡体、フェルト、ワッドまたはフィン上に担持される触媒。
M1 aM2 bM3 cAldOx
式中、M1はRh、Ni、Pd、Pt、Ru、Co、またはその2種以上の混合物であり、
M2はCe、Pr、Tb、またはその2種以上の混合物であり、
M3はLa、Ba、Zr、Mg、Ca、またはその2種以上の混合物であり、
aは約0.0001〜約1の範囲の数字であり、
bは約0〜約0.9999の範囲の数字であり、
cは約0.0001〜約0.9999の範囲の数字であり、
dは約0.0001〜約0.9999の範囲の数字であり、
xは該存在する元素の要求する原子価を満足するのに必要な酸素の数である。 - 請求項67に記載の触媒において、M1がRhまたはNiである触媒。
- 請求項72に記載の触媒において、M1がRhである触媒。
- 請求項72に記載の触媒において、M3がLaまたはMgである触媒。
- 下記式で表される組成物からなる触媒。
RhaLacAldOx
式中、aは約0.0001〜約0.9999の範囲の数字であり、
cは約0.0001〜約0.9999の範囲の数字であり、
dは約0.0001〜約0.9999の範囲の数字であり、
xは該存在する元素の要求する原子価を満足するのに必要な酸素の数である。 - (A)Al2O3の層を担体構造の少なくとも一部に塗工するステップと、
(B)ステップ(A)で形成した被処理担体構造を焼成するステップと、
(C)ステップ(B)で形成した焼成担体構造の表面に助触媒または安定剤を塗工して被処理担体構造を形成するステップであって、該助触媒または安定剤がLa、Ba、Zr、Mg、Ca、またはその酸化物もしくは硝酸塩、あるいはその2種以上の混合物からなるステップと、
(D)ステップ(C)で形成した被処理担体構造を焼成するステップと、
(E)ステップ(D)で形成した焼成担体構造の表面に触媒金属またはその酸化物もしくは硝酸塩を塗工して、被処理担体構造を形成するステップであって、該触媒金属がRh、Ni、Pd、Pt、Ru、Co、またはその2種以上の混合物からなるステップと、
(F)ステップ(E)で形成した被処理担体構造を焼成して担持触媒を形成するステップからなる、担持触媒の作製方法。 - 請求項77に記載の方法において、前記ステップ(F)で形成された担持触媒が水素中で還元される方法。
- 請求項77に記載の方法において、前記担体構造が鋼、アルミニウム、チタン、鉄、ニッケル、白金、ロジウム、銅、クロム、真鍮、任意の該金属の合金、ポリマー、セラミック、ガラス、ポリマーとファイバーグラスからなる複合材、石英、シリコン、またはその2種以上の組合せからなる材料から作製される方法。
- 請求項77に記載の方法において、前記担体構造がFe、Cr、Al、Yからなる合金から作製され、前記天然酸化物層がAl2O3からなる方法。
- 請求項77に記載の方法において、前記担体構造がNi、Cr、Feからなる合金から作製され、前記天然酸化物層がCr2O3からなる方法。
- 請求項77に記載の方法において、前記助触媒または安定剤がLaまたはMgからなる方法。
- 請求項77に記載の方法において、前記助触媒または安定剤がLaからなる方法。
- 請求項77に記載の方法において、前記触媒金属がRhからなる方法。
- 請求項77に記載の方法において、ステップ(A)の前に、前記担体構造が約300℃〜約1400℃の範囲の温度で約0.1〜約1000時間加熱される方法。
- 請求項77に記載の方法において、ステップ(A)の間に、Al2O3からなるスラリーが前記天然酸化物層の上に塗工される方法。
- 請求項77に記載の方法において、ステップ(A)の間に、Al2O3からなるコロイド分散液が前記天然酸化物層の上に塗工される方法。
- 請求項77に記載の方法において、ステップ(B)の間に、前記被処理担体構造が約150℃〜約1200℃の範囲の温度で約0.1〜約1000時間焼成される方法。
- 請求項77に記載の方法において、ステップ(C)の間に、La(NO3)3からなる溶液が前記焼成担体構造の前記表面に塗工される方法。
- 請求項77に記載の方法において、ステップ(D)の間に、前記被処理担体構造が約150℃〜約1200℃の範囲の温度で約0.1〜約1000時間焼成される方法。
- 請求項77に記載の方法において、ステップ(E)の間に、Rh(NO3)3からなる組成物が前記焼成担体構造の前記表面に塗工される方法。
- 請求項77に記載の方法において、ステップ(F)の間に、前記被処理担体構造が約150℃〜約1200℃の範囲の温度で約0.1〜約1000時間焼成される方法。
- 請求項1に記載の方法において、前記触媒が式Rh/LaAl11O18またはRh/LaAlO3で表される方法。
- 請求項76に記載の触媒において、前記触媒が式Rh/LaAl11O18またはRh/LaAlO3で表される触媒。
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JP2006175361A (ja) * | 2004-12-22 | 2006-07-06 | Matsushita Electric Works Ltd | マイクロリアクタ |
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JP2009179542A (ja) * | 2008-02-01 | 2009-08-13 | Mitsui Eng & Shipbuild Co Ltd | 廃食油の改質反応器および改質方法 |
Also Published As
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CA2525733C (en) | 2015-06-23 |
AU2004241943B2 (en) | 2010-05-13 |
EP1631376A1 (en) | 2006-03-08 |
US20040229752A1 (en) | 2004-11-18 |
JP5087276B2 (ja) | 2012-12-05 |
CA2525733A1 (en) | 2004-12-02 |
EP2463024A1 (en) | 2012-06-13 |
US20070140955A1 (en) | 2007-06-21 |
CA2829163A1 (en) | 2004-12-02 |
US7226574B2 (en) | 2007-06-05 |
AU2004241943A1 (en) | 2004-12-02 |
CN1835795A (zh) | 2006-09-20 |
CN100531890C (zh) | 2009-08-26 |
JP2007534457A (ja) | 2007-11-29 |
WO2004103550A1 (en) | 2004-12-02 |
US7220390B2 (en) | 2007-05-22 |
CN1822898A (zh) | 2006-08-23 |
CN100423826C (zh) | 2008-10-08 |
CA2829163C (en) | 2016-01-19 |
US20040228781A1 (en) | 2004-11-18 |
RU2005139413A (ru) | 2006-05-10 |
JP4768619B2 (ja) | 2011-09-07 |
US7896935B2 (en) | 2011-03-01 |
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