JP7323555B2 - 脱水素化触媒の除去および洗浄 - Google Patents
脱水素化触媒の除去および洗浄 Download PDFInfo
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- JP7323555B2 JP7323555B2 JP2020570441A JP2020570441A JP7323555B2 JP 7323555 B2 JP7323555 B2 JP 7323555B2 JP 2020570441 A JP2020570441 A JP 2020570441A JP 2020570441 A JP2020570441 A JP 2020570441A JP 7323555 B2 JP7323555 B2 JP 7323555B2
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- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Description
i) Mo0.9-1.10V0.1-1Nb0.1-0.2Te0.01-0.17X0-2Odを含む触媒で、式中、Xは、Pd、Sb、Ba、Al、W、Ga、Bi、Sn、Cu、Ti、Fe、Co、Ni、Cr、Zr、Pt、Caならびにそれらの酸化物および混合物であり、dは、触媒の原子価を満たす数である、触媒;および
ii) 式、MoaVbNbcTeeOdの触媒で、式中、
aは、0.75~1.25、好ましくは0.90~1.10であり、
bは、0.1~0.5、好ましくは0.25~0.4であり、
cは、0~0.5、好ましくは0.1~0.35であり、
eは、0~0.35、好ましくは0.1~0.3であり、
dは、混合酸化物触媒の原子価状態を満たす数値である、触媒、
から選択され、
任意選択的に、Al2O3またはAl(O)OHまたはこれらの組み合わせの形態のアルミナを典型的に含むアルミナ担体上で、当該触媒を、触媒1gあたりの0.5モル以上、典型的には1M以上、溶解度限界までのシュウ酸の水溶液10~100mLと、処理温度20℃~飽和溶液の沸騰温度まで、好ましくは60℃超、最も好ましくは80℃超で、少なくとも1時間、場合によっては20時間以上、接触させることを含む、方法の提供を目的とする。
さらなる実施形態では、触媒が、
Mo0.9-1.1V0.12-0.49Nb0.1-0.17Te0.1-0.17X0-2Od (2)
を含む上記の方法が提供され、
式中、dは、触媒の原子価を満たす数である。
Mo0.9-1.1V0.32-0.49Nb0.14-0.17Te0.10-0.17X0-2Od (3)
を含む上記の実施形態のいずれかが提供され、
式中、dは、触媒の原子価を満たす数である。
Mo0.9-1.1V0.25-0.45Nb0.13-0.16Te0.1-0.16X0-2Od (4)
を含む上記の実施形態のいずれかが提供され、
式中、dは、触媒の原子価を満たす数である。
Mo0.9-1,1V0.25-0.35Nb0.13-0.16Te0.1-0.16X0-2Od (5)
を含む上記の実施形態のいずれかが提供され、
式中、dは、触媒の原子価を満たす数である。
Mo0.9-1.1V0.12-0.19Nb0.19-0.20Te0.06-0.07X0-2Od
を含む上記の実施形態のいずれかが提供され
式中、dは、触媒の原子価を満たす数である。
実施例または別途指示された場合を除き、明細書および特許請求の範囲で使用される成分の量、反応条件などを指すすべての数字または表現は、すべての場合において「約」という用語によって修飾されるものとして理解されるべきである。したがって、反対の指示がない限り、以下の明細書および添付の特許請求の範囲に記載の数値パラメータは、本発明が所望する特性に応じて変動し得る近似値である。少なくとも、特許請求の範囲への均等論の適用を制限する試みとしてではなく、各数値パラメータは、少なくとも報告された有効桁数を考慮して、通常の端数処理手法を適用することによって解釈されるべきである。
Mo1V0.1-1Nb0.0-1Te0.0-0.2X0-2Odを有する金属酸化物の混合物を含み得、式中、Xは、Pd、Sb Ba、Al、W、Ga、Bi、Sn、Cu、Ti、Fe、Co、Ni、Cr、Zr、Caならびにそれらの酸化物および混合物から選択され、dは、触媒の原子価を満たす数である。
MoaVbNbcTeeOdの触媒を含み、
式中、
aは、0.75~1.25、好ましくは0.90~1.10であり、
bは、0.1~0.5、好ましくは0.25~0.4であり、
cは、0.1~0.5、好ましくは0.1~0.35であり、
eは、0.1~0.35、好ましくは0.1~0.3であり、
dは、混合酸化物触媒の原子価状態を満たす数値である。
Mo1V0.25-0.45Te0.10-0.16Nb0.13-0.16X0-02Od (i)
を有し得、式中、dは、触媒の原子価を満たす数である。
Mo1V0.12-0.49Nb0-0.17Te0-0.17X0-2Od (2)
を有し得、式中、dは、触媒の原子価を満たす数である。
Mo1.0V0.32-0.49Nb0.14-0.17Te0.10-0.17X0-2Od (3)
を有し得、式中、dは、触媒の原子価を満たす数である。
Mo1V0.25-0.45Nb0.13-0.16Te0.1-0.16X0-2Od (4)
を有し得、式中、dは、触媒の原子価を満たす数である。
Mo1V0.25-0.35Nb0.13-0.16Te0.1-0.16X0-2Od (5)
を有し得、式中、dは、触媒の原子価を満たす数である。
Mo1.0V0.12-0.19Nb0.19-0.20Te0.06-0.07X0-2Od (6)
を有し得、式中、dは、触媒の原子価を満たす数である。
i) Mo0.9-1.1V0.1-1Nb0.1-1Te0.01-0.2X0-2Odを含む触媒で、式中、Xは、Pd、Sb、Ba、Al、W、Ga、Bi、Sn、Cu、Ti、Fe、Co、Ni、Cr、Zr、Pt、Caならびにそれらの酸化物および混合物から選択され、dは、触媒の原子価を満たす数である、触媒;および
ii) 式、
MoaVbNbcTeeOd
の触媒で、式中、
aは、0.75~1.25であり、
bは、0.1~0.5であり、
cは、0~0.5であり、
eは、0~0.35であり、
dは、混合酸化物触媒の原子価状態を満たす数値である、触媒、
から選択される触媒を除去する方法であって、
任意選択的に、アルミナ担体上で、当該触媒を触媒1~5gあたりの0.5モル以上のシュウ酸溶液10~100mLに20℃~100℃の温度で1時間以上接触させることを含む、方法である。
Mo1V0.25-0.45Te0.10-0.16Nb0.13-0.16X0-02Od
を有し、式中、dが、触媒の原子価を満たす数である、1つまたは複数の他の実施形態による方法が提供される。
Mo1V0.12-0.49Nb0.1-0.17Te0.1-0.17X0-2Od
を有し、式中、dが、触媒の原子価を満たす数である、1つまたは複数の他の実施形態による方法が提供される。
Mo1.0V0.32-0.49Nb0.14-0.17Te0.10-0.17X0-2Od
を有し、式中、dが、触媒の原子価を満たす数である、1つまたは複数の他の実施形態による方法が提供される。
Mo1V0.25-0.45Nb0.13-0.16Te0.1-0.16X0-2Od
を有し、式中、dが、触媒の原子価を満たす数である、1つまたは複数の他の実施形態による方法が提供される。
Mo1V0.25-0.35Nb0.13-0.16Te0.1-0.16X0-2Od
を有し、式中、dが、触媒の原子価を満たす数である、1つまたは複数の他の実施形態による方法が提供される。
Mo1.0V0.12-0.19Nb0.19-0.20Te0.06-0.07
を有し、式中、dが、触媒の原子価を満たす数である、1つまたは複数の他の実施形態による方法が提供される。
10グラムのシュウ酸を100mLの蒸留水に溶解した。この混合物を湯浴中で30分間、80℃に加熱した。この透明で無色の溶液に、アルミナ(Al(O)OH)に担持された、式Mo1V0.43Te0.17Nb0.16Odの押出触媒1.0gを充填した(触媒図1)。混合物を80℃の水浴中で30分間、撹拌せずに放置した。その後、触媒の98%が溶解した。80℃の水浴中で1時間後、触媒は完全に溶解した。押出触媒からのアルミナは、溶解せずに残った(図2)。
30グラムのシュウ酸を300mLの蒸留水に溶解した。この混合物を湯浴中で30分間、80℃に加熱した。この無色の溶液に、式の押出触媒3.0gをアルミナと共に入れた。混合物を80℃の水浴中で、一晩600rpmで撹拌し続けた。その後、触媒およびアルミナ(Al(O)OH)が、完全に溶解した。透明な青色溶液が形成された。
触媒残留物で汚染された1/8インチのステンレス鋼316管(図3)を、80℃の油浴中の、蒸留水300mL中の式Mo1V0.43Te0.17Nb0.16Odの触媒3.0 gとシュウ酸混合物30gとの混合物の、表面から約1.5cm下に24時間沈めた。24時間後、ステンレス鋼の腐食またはエッチングの目に見える兆候は、見られなかった(図4)。
Claims (14)
- 1つまたは複数の容器および関連する配管から触媒を除去する方法であって、前記触媒は、以下からなる群:
i) Mo0.9-1.1V0.1-1Nb0.1-0.2Te0.01-0.17X0-2Odを含む触媒で、式中Xは、Pd、Sb、Ba、Al、W、Ga、Bi、Sn、Cu、Ti、Fe、Co、Ni、Cr、Zr、Pt、Caならびにそれらの酸化物および混合物から選択され、dは、触媒の原子価を満たす数である触媒、および
ii) 式、MoaVbNbcTeeOdの触媒で、式中、
aは、0.75~1.25であり、
bは、0.1~0.5であり、
cは、0~0.5であり、
eは、0~0.35であり、
dは、混合酸化物触媒の原子価状態を満たす数値である、触媒、
から選択され、アルミナ担体上に担持され、
前記方法は、前記触媒を触媒1~5gあたり0.5モル溶液以上のシュウ酸溶液10~100mlと20℃~100℃の温度で1時間以上接触させることを含む、方法。 - リアクターの管を通る前記溶液の周期的ポンピングを含む撹拌を使用することをさらに含む、請求項1に記載の方法。
- 前記触媒および担体が、前記リアクターに関連する前記配管にファウリングを形成する、請求項2に記載の方法。
- 前記配管が、鋼またはステンレス鋼である、請求項3に記載の方法。
- 前記触媒が、1つまたは複数のリアクターの床である、請求項4に記載の方法。
- Pd、PtおよびAuを含む高価な金属が、濾過、沈殿、および浮上を含む1つまたは複数の適切な手段によって、触媒および担体の前記溶液から分離される、請求項1に記載の方法。
- 前記触媒が、式
Mo 1 V 0.25-0.45 Te 0.10-0.16 Nb 0.13-0.16 X 0-02 O d
を有し、式中dが、前記触媒の原子価を満たす数である、請求項1に記載の方法。 - 前記触媒が、式
Mo 1 V 0.12-0.49 Nb 0.1-0.17 Te 0.01-0.17 X 0-2 O d
を有し、式中dが、前記触媒の原子価を満たす数である、請求項1に記載の方法。 - 前記触媒が、式
Mo 1.0 V 0.32-0.49 Nb 0.14-0.17 Te 0.10-0.17 X 0-2 O d
を有し、式中dが、前記触媒の原子価を満たす数である、請求項1に記載の方法。 - 前記触媒が、式
Mo 1 V 0.25-0.45 Nb 0.13-0.16 Te 0.1-0.16 X 0-2 O d
を有し、式中dが、前記触媒の原子価を満たす数である、請求項1に記載の方法。 - 前記触媒が、式
Mo 1 V 0.25-0.35 Nb 0.13-0.16 Te 0.1-0.16 X 0-2 O d
を有し、式中dが、前記触媒の原子価を満たす数である、請求項1に記載の方法。 - 前記触媒が、式
Mo 1.0 V 0.12-0.19 Nb 0.19-0.20 Te 0.06-0.07
を有し、式中dが、前記触媒の原子価を満たす数である、請求項1に記載の方法。 - 式i)において、Xが、Moの原子あたり0~1原子までの量で存在し得る、請求項1に記載の方法。
- 式i)において、Xが、Moの原子あたり0.001から1原子の量で存在し得る、請求項1に記載の方法。
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007216222A (ja) | 2006-01-31 | 2007-08-30 | Rohm & Haas Co | 再生された混合金属酸化物触媒 |
US20100255986A1 (en) | 2009-04-02 | 2010-10-07 | Lummus Technology Inc. | Catalysts for the conversion of paraffins to olefins and use thereof |
JP2017532335A (ja) | 2014-10-15 | 2017-11-02 | ノヴァ ケミカルズ(アンテルナショナル)ソシエテ アノニム | 高変換及び選択性odh方法 |
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US2380731A (en) * | 1941-12-09 | 1945-07-31 | Socony Vacuum Oil Co Inc | Restoration of catalysts |
US3791989A (en) * | 1971-03-12 | 1974-02-12 | Chevron Res | Catalyst rejuvenation with oxalic acid |
US4089806A (en) * | 1977-04-01 | 1978-05-16 | Union Oil Company Of California | Method for rejuvenating hydroprocessing catalysts |
US4485183A (en) * | 1982-04-12 | 1984-11-27 | Union Oil Company Of California | Regeneration and reactivation of deactivated hydrorefining catalyst |
US4522928A (en) * | 1982-10-18 | 1985-06-11 | Exxon Research And Engineering Co. | Removal of metal comtaminants from catalysts using buffered oxalic acid |
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CA2992255A1 (en) * | 2018-01-18 | 2019-07-18 | Nova Chemicals Corporation | Odh complex with on-line mixer unit and feed line cleaning |
CA2999092A1 (en) * | 2018-03-26 | 2019-09-26 | Nova Chemicals Corporation | Calcination process to produce enhanced odh catlyst |
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