JP6453358B2 - 低温での固体イオン交換による金属交換されたゼオライトの製造方法 - Google Patents
低温での固体イオン交換による金属交換されたゼオライトの製造方法 Download PDFInfo
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- JP6453358B2 JP6453358B2 JP2016561287A JP2016561287A JP6453358B2 JP 6453358 B2 JP6453358 B2 JP 6453358B2 JP 2016561287 A JP2016561287 A JP 2016561287A JP 2016561287 A JP2016561287 A JP 2016561287A JP 6453358 B2 JP6453358 B2 JP 6453358B2
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- metal
- zeolite
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- exchanged
- ion exchange
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- 239000010457 zeolite Substances 0.000 title claims description 58
- 238000000034 method Methods 0.000 title claims description 39
- 229910052751 metal Inorganic materials 0.000 title claims description 21
- 239000002184 metal Substances 0.000 title claims description 21
- 238000005342 ion exchange Methods 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000007787 solid Substances 0.000 title claims description 7
- 229910021536 Zeolite Inorganic materials 0.000 claims description 43
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 40
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 36
- 239000000203 mixture Substances 0.000 claims description 30
- 239000007789 gas Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 23
- 229910021529 ammonia Inorganic materials 0.000 claims description 18
- 239000003054 catalyst Substances 0.000 claims description 18
- 150000002736 metal compounds Chemical class 0.000 claims description 17
- 239000007858 starting material Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 229930195733 hydrocarbon Natural products 0.000 claims description 8
- 150000002430 hydrocarbons Chemical class 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 7
- -1 metal compound ion Chemical class 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 230000001747 exhibiting effect Effects 0.000 claims description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 4
- UNYSKUBLZGJSLV-UHFFFAOYSA-L calcium;1,3,5,2,4,6$l^{2}-trioxadisilaluminane 2,4-dioxide;dihydroxide;hexahydrate Chemical compound O.O.O.O.O.O.[OH-].[OH-].[Ca+2].O=[Si]1O[Al]O[Si](=O)O1.O=[Si]1O[Al]O[Si](=O)O1 UNYSKUBLZGJSLV-UHFFFAOYSA-L 0.000 claims description 3
- 229910052676 chabazite Inorganic materials 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000002243 precursor Substances 0.000 claims description 2
- 230000003796 beauty Effects 0.000 claims 2
- 239000010949 copper Substances 0.000 description 16
- 238000006243 chemical reaction Methods 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 229910021645 metal ion Inorganic materials 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 150000001242 acetic acid derivatives Chemical class 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910001960 metal nitrate Inorganic materials 0.000 description 2
- 229910001463 metal phosphate Inorganic materials 0.000 description 2
- 150000003891 oxalate salts Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000011363 dried mixture Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000012229 microporous material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000006069 physical mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- B01D53/46—Removing components of defined structure
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- B01D53/34—Chemical or biological purification of waste gases
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
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- B01J2229/38—Base treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/30—After treatment, characterised by the means used
- B01J2229/40—Special temperature treatment, i.e. other than just for template removal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Description
本願発明の特徴は次の通りである。
1. 金属交換されたゼオライト材料又は金属交換されたゼオライト材料の混合物の製造方法であって、a)イオン交換能を示す一種又は二種以上のゼオライト出発材料、及びb)一種又は二種以上の金属化合物を含有する乾燥混合物を提供する工程;アンモニアを含有するガス雰囲気中で、該混合物を300℃以下の温度で、かつ、該金属化合物のイオン及び該一種又は二種以上のゼオライトのイオンの固体イオン交換を開始させそして遂行するのに十分な時間加熱する工程;及び金属交換されたゼオライト材料又は金属交換されたゼオライト材料の混合物を得る工程、を含む上記の方法。
2. 前記一種又は二種以上のゼオライト出発材料が、AEI、AFX、CHA、KFI、LTA、IMF、ITH、MEL、MFI、SZR、TUN、*BEA、BEC、FAU、FER、MOR、LEVのフレームワークコードを有する、上記の特徴1に記載の方法。
3. 前記一種又は二種以上のゼオライト出発材料が、ZSM−5、ゼオライトY、ベータゼオライト、SSZ−13、SSZ−39、SSZ−62及び菱沸石からなる群から選択される、上記の特徴1又は2に記載の方法。
4. 前記一種又は二種以上のゼオライト出発材料が、H + 形態又はNH 4 + 形態にある、上記の特徴1〜3のいずれか一つに記載の方法。
5. 前記一種又は二種以上のゼオライト出発材料が、有機構造指向剤を含有する、上記の特徴1〜4のいずれか一つに記載の方法。
6. 前記一種又は二種以上の金属化合物が、金属酸化物、金属の硝酸塩及びリン酸塩、硫酸塩、シュウ酸塩、酢酸塩又はそれらの組合せの群から選択される、上記の特徴1〜5のいずれか一つに記載の方法。
7. 前記一種又は二種以上の金属化合物中の金属が、Fe、Co、Cu又はそれらの組合せの群から選択される、上記の特徴1〜6のいずれか一つに記載の方法。
8. 前記一種又は二種以上の金属化合物が、酸化Cu(I)及び/又は酸化Cu(II)である、上記の特徴1〜6のいずれか一つに記載の方法。
9. 前記雰囲気中のアンモニアの含有量が、1〜5000体積ppmである、上記の特徴1〜8のいずれか一つに記載の方法。
10. 前記雰囲気中の酸素の含有量が10%以下である、上記の特徴1〜9のいずれか一つに記載の方法。
11. 前記雰囲気中の水の含有量が5体積%水以下である、上記の特徴1〜10のいずれか一つに記載の方法。
12. イオン交換能を示す前記一種又は二種以上のゼオライト出発材料の混合物及び一種又は二種以上の金属化合物が、アンモニアを含有する前記ガス雰囲気中で100℃〜300℃の温度で加熱される、上記の特徴1〜11のいずれか一つに記載の方法。
13. イオン交換能を示す前記一種又は二種以上のゼオライト出発材料の混合物及び一種又は二種以上の金属化合物が、アンモニアを含有する前記ガス雰囲気中で150℃〜250℃の温度で加熱される、上記の特徴1〜11のいずれか一つに記載の方法。
14. 上記の特徴1〜13のいずれか一つに記載の方法によって得られる金属交換されたゼオライト又は金属交換されたゼオライトの混合物。
15. 上記の特徴1〜13のいずれか一つに記載の方法によって得られた金属交換されたゼオライト又は金属交換されたゼオライトの混合物を含む触媒に排ガスを接触させることを含む、還元剤による選択的接触還元によって該排ガスから窒素酸化物を除去する方法。
16. 前記還元剤がアンモニア又はそれの前駆体である、上記の特徴15に記載の方法。
17. 前記還元剤が炭化水素を含む、上記の特徴15に記載の方法。
この実施例は、SCRに活性な触媒が本発明の方法によって得られることを示す。CuOとH−ZSM−5ゼオライトとを、12.5重量%CuOの含有量になるように混合することによって触媒を製造した。該触媒の試料を、石英のU字管リアクターに投入して、窒素中に500ppmNH3を含有するガス雰囲気中で10時間かけて250℃に加熱した。その加熱後、触媒を200℃に冷却し、そして窒素中に500ppmのNO、533ppmのNH3、5%のH2O、10%のO2を含有するガス混合物に曝し、そして、材料のSCR活性に関する記録として、2700Nl/触媒1g時間の空間速度でNOの変換率を測定した。
この実施例は、アンモニアに曝す場合に、酸素及び水の存在を回避することが有利であることを示す。実施例1で説明したように触媒試料を製造した。触媒の試料を、石英のU字管リアクターに投入して、窒素中に500ppmNH3及び10%の酸素又は10%の酸素と5%水の両方を含有するガス雰囲気中で10時間かけて250℃に加熱した。その加熱後、触媒を200℃に冷却し、そしてN2中500ppmのNO、533ppmのNH3、5%のH2O、10%のO2のガス混合物に曝し、そして、材料のSCR活性に関する記録として、2700Nl/触媒1g時間の空間速度でNOの変換率を測定した。
この実施例は、SCRに活性の触媒が、Cu2Oを用いる本発明の方法によって300℃未満で製造できることを示す。10重量%のCu2OとH−ZSM−5との乾燥混合物を乳鉢中で粉砕することによって製造した。この混合物の試料を、石英のU字管リアクターに投入して、窒素中、100〜250℃の所定の温度に加熱した。所望の温度に到達後、500ppmのNH3をそのガス流に5時間かけて添加した。この処理の後、窒素中で160℃に冷却し、それからその粉末混合物を、N2中に500ppmのNO、533ppmのNH3、5%のH2O、10%のO2を含有するガス雰囲気に曝し、そして、材料のSCR活性に関する記録として、2700Nl/触媒1g時間の空間速度でNOxの変換率を測定することによって、得られた材料の触媒活性を測定した。次いで、反応温度を180及び200℃に高め、そしてそれぞれの温度におけるNOx変換率を同じ条件下で測定した。
Claims (11)
- 金属交換されたゼオライト材料又は金属交換されたゼオライト材料の混合物の製造方法であって、a)イオン交換能を示す一種又は二種以上のゼオライト出発材料、及びb)一種又は二種以上の金属化合物を含有する乾燥混合物を提供する工程;アンモニアを含有するガス雰囲気中で、該混合物を300℃以下の温度で、かつ、該金属化合物のイオン及び該一種又は二種以上のゼオライトのイオンの固体イオン交換を開始させそして遂行するのに十分な時間加熱する工程;及び金属交換されたゼオライト材料又は金属交換されたゼオライト材料の混合物を得る工程、を含み、
前記一種又は二種以上の金属化合物が、酸化Cu(I)及び/又は酸化Cu(II)であり、
前記一種又は二種以上のゼオライト出発材料が、H+形態にあり、そして
前記雰囲気中のアンモニアの含有量が、1〜5000体積ppmである、上記の方法。 - 前記一種又は二種以上のゼオライト出発材料が、AEI、AFX、CHA、KFI、LTA、IMF、ITH、MEL、MFI、SZR、TUN、*BEA、BEC、FAU、FER、MOR、LEVからなる群から選択されるフレームワークコードを有する、請求項1に記載の方法。
- 前記一種又は二種以上のゼオライト出発材料が、ZSM−5、ゼオライトY、ベータゼオライト、SSZ−13、SSZ−39、SSZ−62及び菱沸石からなる群から選択される、請求項1又は2に記載の方法。
- 前記一種又は二種以上のゼオライト出発材料が、有機構造指向剤を含有する、請求項1〜3のいずれか一つに記載の方法。
- 前記雰囲気中の酸素の含有量が10%以下である、請求項1〜4のいずれか一つに記載の方法。
- 前記雰囲気中の水の含有量が5体積%以下である、請求項1〜5のいずれか一つに記載の方法。
- イオン交換能を示す前記一種又は二種以上のゼオライト出発材料及び一種又は二種以上の金属化合物の混合物が、アンモニアを含有する前記ガス雰囲気中で100℃〜300℃の温度で加熱される、請求項1〜6のいずれか一つに記載の方法。
- イオン交換能を示す前記一種又は二種以上のゼオライト出発材料及び一種又は二種以上の金属化合物の混合物が、アンモニアを含有する前記ガス雰囲気中で150℃〜250℃の温度で加熱される、請求項1〜6のいずれか一つに記載の方法。
- 請求項1〜8のいずれか一つに記載の方法によって得られた金属交換されたゼオライト又は金属交換されたゼオライトの混合物を含む触媒に排ガスを接触させることを含む、還元剤による選択的接触還元によって該排ガスから窒素酸化物を除去する方法。
- 前記還元剤がアンモニア又はそれの前駆体である、請求項9に記載の方法。
- 前記還元剤が炭化水素を含む、請求項9に記載の方法。
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WO2015154827A1 (en) * | 2014-04-07 | 2015-10-15 | Haldor Topsøe A/S | Method for producing metal exchanged metallo-aluminophosphates by solid-state ion exchange at low temperatures |
JP2016222505A (ja) * | 2015-06-01 | 2016-12-28 | イビデン株式会社 | ゼオライトの製造方法 |
JP6792425B2 (ja) * | 2016-11-21 | 2020-11-25 | イビデン株式会社 | ゼオライトの製造方法 |
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US11148954B2 (en) * | 2017-05-15 | 2021-10-19 | Basf Corporation | Process for preparing a zeolitic material comprising a metal M and having framework type AEI |
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KR20210082506A (ko) | 2018-10-30 | 2021-07-05 | 바스프 코포레이션 | 사전-교환된 구리 제올라이트성 물질에 대한 동일반응계 구리 이온 교환 |
US11278874B2 (en) | 2018-11-30 | 2022-03-22 | Johnson Matthey Public Limited Company | Enhanced introduction of extra-framework metal into aluminosilicate zeolites |
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