JP6023790B2 - 金属充填量が少ない酸化的脱水素化用貴金属触媒 - Google Patents
金属充填量が少ない酸化的脱水素化用貴金属触媒 Download PDFInfo
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- JP6023790B2 JP6023790B2 JP2014506805A JP2014506805A JP6023790B2 JP 6023790 B2 JP6023790 B2 JP 6023790B2 JP 2014506805 A JP2014506805 A JP 2014506805A JP 2014506805 A JP2014506805 A JP 2014506805A JP 6023790 B2 JP6023790 B2 JP 6023790B2
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Description
b) 金属及び担体材料をプラズマに導入するステップ、
c) 金属及び担体材料を蒸発させるか又は固体を「粉砕」して、粒子を反応させるステップ、
d) 冷却して複合材料の非常に小さい粒子を得るステップ、
e) 複合材料を実際の触媒担体に適用するステップ。
本発明の目的では、特に断りのない限り、すべての量は重量による。
b) 金属及び担体材料をプラズマに導入するステップ、
c) 金属及び担体材料を蒸発させるか又は固体を「粉砕」して、粒子を反応させるステップ、
d) 冷却して、複合材料の非常に小さい粒子得るステップ、
e) 複合材料を、好ましくはステアタイト、特に好ましくは直径が約2mmのステアタイトボールから成る実際の触媒担体に適用するステップ。
- ステアタイト基質内の銀粒子の大きさがナノサイズ、好ましくは1〜50nm、特に好ましくは1〜20nm、特に1〜10nmであり、
- これらの触媒は、銀の含有量が非常に少ないにもかかわらず、活性が高く、
- 実際の担体に適用する、銀と担体材料から成る複合体が存在する
ことである。
プラズマプロセスによるAg/ステアタイト複合材料の合成
開始材料である銀及び粒径が1〜10μmのステアタイトを、銀30重量%、ステアタイト70重量%の混合比で供給する。混合粉末をノズル経由でN2キャリアガス流れ中に流量10g/minで導入し、DCプラズマ(電気アークプラズマ、プラズマガス及び包囲ガスはアルゴン、スルザー社(Sulzer)の器具)中に供給する。出力を80kWに調整する。キャリアガス流れを調整して、プラズマ内の固体の滞留時間を約10ミリ秒に設定する。プラズマを離れる生成ガスを室温の窒素流れにより約80℃に急冷する。急冷プロセスで製造される複合粒子を適当なフィルターによりガス流れから分離する。
サイズが1.8〜2.2mmのステアタイトボール(セラムテック社(CeramTec))1000gを回転プレートに導入し、これをエルベカ社(Erweka)のAR 401モーターにより回転速度40rpmで回転させる。
こうして得られた触媒を、予熱された焼成炉内で空気中、360℃、1時間処理し、その後取り出し、デシケータ内で冷やす。
フレーム溶射プロセス(DE 10 2008 014 910.1の実施例1参照)により製造された標準的な触媒を、この実施例に使用した。この触媒の充填は、ステアタイト担体上で銀6重量%であった。
本発明に従って製造され、ステアタイト担体上の充填量が銀0.1重量%である触媒をこの実施例に使用した。
本発明に従って製造され、ステアタイト担体上の充填量が銀0.23重量%である触媒をこの実施例に使用した。
本発明の実施形態として例えば以下を挙げることができる。
[実施形態1]
好ましくはオレフィン性不飽和アルコールの酸化的脱水素化のための、触媒を製造する方法であって、以下のステップ
a) DCプラズマを生成するステップと、
b) 金属及び担体材料をプラズマに導入するステップと、
c) プラズマ中で金属及び担体材料を蒸発させるか、又は金属及び担体材料の固体を「粉砕」して、粒子を反応させるステップと、
d) 冷却して、複合材料の非常に小さい粒子を得るステップと、
e) 複合材料を実際の触媒担体に適用するステップと
を含む方法。
[実施形態2]
貴金属として、Cu、Au、Ag、Pd、Pt、Rh、Ru、Ir、及びOs、並びにその混合物から成る群から選択される貴金属を使用する、実施形態1に記載の方法。
[実施形態3]
担体材料として、塩基性、酸性、又は中性の担体材料を使用する、実施形態1又は2に記載の方法。
[実施形態4]
担体材料として、ステアタイト、酸化アルミニウム、アルミノ珪酸塩、又はその混合物、好ましくはステアタイトを使用する、実施形態3に記載の方法。
[実施形態5]
ステップb)及びe)において担体材料が同じである、実施形態1から4のいずれかに記載の方法。
[実施形態6]
触媒が貴金属を0.05〜0.25重量%含む、実施形態1から5のいずれかに記載の方法。
[実施形態7]
オレフィン性不飽和アルコールから酸化的脱水素化によりオレフィン性不飽和カルボニル化合物を調製するための担持貴金属含有触媒の使用であって、触媒が実施形態1から6のいずれかに記載の方法により製造される、使用。
[実施形態8]
触媒が貴金属を0.05〜0.25重量%含む、実施形態7に記載の使用。
[実施形態9]
貴金属として、Cu、Au、Ag、Pd、Pt、Rh、Ru、Ir、及びOs、並びにその混合物から成る群から選択される貴金属を使用する、実施形態8に記載の使用。
[実施形態10]
3-メチルブタ-2-エン-1-アールを3-メチルブタ-3-エン-1-オールから調製する、実施形態7から9のいずれかに記載の使用。
[実施形態11]
実施形態1から6のいずれかに記載の方法により製造された担持貴金属含有触媒。
[実施形態12]
貴金属0.05〜0.25重量%の貴金属充填量を有する、実施形態11に記載の担持貴金属含有触媒。
[実施形態13]
貴金属、好ましくは銀が、平均粒径<10nmの粒子の形態で触媒担体上に存在する、実施形態11又は12に記載の担持貴金属含有触媒。
Claims (15)
- オレフィン性不飽和アルコールの酸化的脱水素化のための、触媒を製造する方法であって、以下のステップ
a) DCプラズマを生成するステップと、
b) 貴金属及び担体材料をプラズマに導入するステップと、
c) プラズマ中で貴金属及び担体材料を蒸発させるか、又は貴金属及び担体材料の固体を「粉砕」して、粒子を反応させるステップと、
d) 冷却して、複合材料の0.5〜100μmの粒子を得るステップと、
e) 複合材料を実際の触媒担体に適用するステップと
を含む方法。 - 貴金属として、Cu、Au、Ag、Pd、Pt、Rh、Ru、Ir、及びOs、並びにその混合物から成る群から選択される貴金属を使用する、請求項1に記載の方法。
- ステップb)における担体材料又はステップe)における触媒担体として、塩基性、酸性、又は中性の担体材料又は触媒担体を使用する、請求項1又は2に記載の方法。
- ステップb)における担体材料又はステップe)における触媒担体として、ステアタイト、酸化アルミニウム、アルミノ珪酸塩、又はその混合物を使用する、請求項3に記載の方法。
- ステップb)における担体材料及びステップe)における触媒担体が同じである、請求項1から4のいずれかに記載の方法。
- 触媒が貴金属を0.05〜0.25重量%含む、請求項1から5のいずれかに記載の方法。
- ステップd)における複合材料が貴金属の粒子を含む、請求項1から6のいずれかに記載の方法。
- オレフィン性不飽和アルコールから酸化的脱水素化によりオレフィン性不飽和カルボニル化合物を調製するための担持貴金属含有触媒の使用であって、触媒が請求項1から7のいずれかに記載の方法により製造される、使用。
- 触媒が貴金属を0.05〜0.25重量%含む、請求項8に記載の使用。
- 貴金属として、Cu、Au、Ag、Pd、Pt、Rh、Ru、Ir、及びOs、並びにその混合物から成る群から選択される貴金属を使用する、請求項9に記載の使用。
- 3-メチルブタ-2-エン-1-アールを3-メチルブタ-3-エン-1-オールから調製する、請求項8から10のいずれかに記載の使用。
- 請求項1から7のいずれかに記載の方法により製造された担持貴金属含有触媒。
- 貴金属0.05〜0.25重量%の貴金属充填量を有する、請求項12に記載の担持貴金属含有触媒。
- 貴金属が、平均粒径<10nmの粒子の形態で触媒担体上に存在する、請求項12又は13に記載の担持貴金属含有触媒。
- オレフィン性不飽和アルコールの酸化的脱水素化触媒であって、
1〜50nmの分散した貴金属粒子を含む0.5〜100μmの粒径の複合材料粒子を充填した多孔質の触媒担体を含み、これにより触媒が0.05〜0.25重量%の貴金属を含む、触媒。
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PCT/EP2012/054386 WO2012146436A1 (de) | 2011-04-28 | 2012-03-13 | Edelmetallkatalysatoren mit geringer metallbeladung für oxidative dehydrierungen |
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CN113015574A (zh) | 2018-11-13 | 2021-06-22 | 巴斯夫欧洲公司 | 包含银催化剂体的催化剂床和烯属不饱和醇的氧化脱氢方法 |
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DE2715209C3 (de) | 1977-04-05 | 1981-11-05 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von 3-Alkyl-buten-l-alen |
NL8201396A (nl) * | 1982-04-01 | 1983-11-01 | Dow Chemical Nederland | Zilver katalysator en een werkwijze voor de bereiding daarvan. |
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DE4311608A1 (de) | 1993-04-08 | 1994-12-15 | Huels Chemische Werke Ag | Silberkatalysator zur Oxidation von Ethylen zu Ethylenoxid und Verfahren zur Herstellung von Ethylenoxid |
DE19748299A1 (de) * | 1996-10-31 | 1998-05-07 | Sumitomo Chemical Co | Verfahren zur Herstellung von Chlor |
US5989648A (en) * | 1997-05-06 | 1999-11-23 | The Penn State Research Foundation | Plasma generation of supported metal catalysts |
DE19722567A1 (de) * | 1997-05-28 | 1998-12-03 | Basf Ag | Verfahren zur kontinuierlichen technischen Herstellung ungesättigter aliphatischer Aldehyde in einem Rohrbündelreaktor |
JP4000392B2 (ja) * | 1997-11-05 | 2007-10-31 | 独立行政法人産業技術総合研究所 | 炭化水素の部分酸化用触媒及び含酸素有機化合物の製法 |
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EP1034843A1 (de) * | 1999-03-10 | 2000-09-13 | Sulzer Metco AG | Verfahren zur Herstellung einer beschichteten Struktur, die sich zum Durchführen von heterogenen Katalysen eignet |
JP2001261337A (ja) * | 2000-03-23 | 2001-09-26 | C I Kasei Co Ltd | 銀微粒子を複合した二酸化チタン微粒子の製造方法 |
US6689192B1 (en) | 2001-12-13 | 2004-02-10 | The Regents Of The University Of California | Method for producing metallic nanoparticles |
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JP4565191B2 (ja) * | 2006-01-30 | 2010-10-20 | 国立大学法人山梨大学 | 微粒子触媒の製造方法、微粒子触媒、及び改質装置 |
JP2007302612A (ja) * | 2006-05-12 | 2007-11-22 | Nippon Shokubai Co Ltd | ケトンの製造方法 |
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US9173967B1 (en) * | 2007-05-11 | 2015-11-03 | SDCmaterials, Inc. | System for and method of processing soft tissue and skin with fluids using temperature and pressure changes |
DE102008014910A1 (de) | 2008-03-19 | 2009-09-24 | Basf Se | Verwendung eines geträgerten edelmetallhaltigen Katalysators zur oxidativen Dehydrierung |
WO2010087445A1 (ja) * | 2009-02-02 | 2010-08-05 | パイオニア株式会社 | TiO2ナノ粒子 |
JP5278189B2 (ja) * | 2009-06-19 | 2013-09-04 | 株式会社明電舎 | 光触媒再生方法及び腐食性ガス浄化装置 |
WO2011000668A1 (de) * | 2009-07-02 | 2011-01-06 | Basf Se | Geträgerter edelmetallhaltiger katalysator zur oxidativen dehydrierung oder epoxidation |
DE102009034773A1 (de) * | 2009-07-25 | 2011-01-27 | Bayer Materialscience Ag | Verfahren zur Herstellung von Chlor durch Gasphasenoxidation an nanostrukturierten Rutheniumträgerkatalysatoren |
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