KR101990156B1 - 세륨 산화물 및 니오븀 산화물을 포함하는 조성물을 촉매로 사용하는, 질소 산화물(NOx)-함유 가스를 처리하는 방법 - Google Patents
세륨 산화물 및 니오븀 산화물을 포함하는 조성물을 촉매로 사용하는, 질소 산화물(NOx)-함유 가스를 처리하는 방법 Download PDFInfo
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Abstract
Description
실시예 번호 Ce/Zr/Nb |
용액 D | 용액 E | |||||
D1(g) | D2(g) | E1(g) | E2(g) | E3(g) | E4(g) | C(g) | |
No. 2 55/40/5 |
978 | 6760 | 5000 | 1440 | 1580 | 172 | 950 |
No. 3 54/39/7 |
1024 | 6710 | 4580 | 1440 | 1580 | 172 | 1370 |
No. 4 78/19/3 |
966 | 6670 | 5620 | 2035 | 770 | 242 | 505 |
No. 5 77/19/4 |
1002 | 6730 | 5290 | 2035 | 770 | 242 | 830 |
No. 6 79/19/7 |
1068 | 6650 | 4660 | 2035 | 770 | 242 | 1470 |
실시예 번호 Ce/Zr/Nb |
용액 D | 용액 E | |||||
D1(g) | D2(g) | E1(g) | E2(g) | E3(g) | E4(g) | C(g) | |
No. 8 69/17/14 |
1148 | 6570 | 3400 | 1880 | 710 | 224 | 2870 |
No. 9 97/0/3 |
990 | 6750 | 5710 | 2540 | 0 | 298 | 625 |
No. 10 91/0/9 |
1110 | 6610 | 4570 | 2540 | 0 | 298 | 1775 |
실시예 번호 Ce/Zr/Nb(%) |
비표면적(m2/g) | TPD ml/m2 (산도) |
TPR ml H2/g (환원도) |
|
800℃ | 900℃ | |||
No. 1 64/26/10 |
35 | 17 | 6.5x10-2 | 32.9 |
No. 2 55/40/5 |
41 | 19 | 6.4x10-2 | 29.7 |
No. 3 54/39/7 |
38 | 16 | 7.3x10-2 | 29.4 |
No. 4 78/19/3 |
37 | 12 | 8.7x10-2 | 30.7 |
No. 5 77/19/4 |
30 | 14 | 6.9x10-2 | 29.8 |
No. 6 79/19/7 |
28 | 15 | 9.4x10-2 | 32.3 |
No. 7 72/18/10 |
31 | 17 | 8.3x10-2 | 32.5 |
No. 8 69/17/14 |
32 | 12 | 7.8x10-2 | 33.9 |
No. 9 97/0/3 |
19 | 15 | 9.1x10-2 | 19.5 |
No. 10 91/0/9 |
34 | 15 | 8.9x10-2 | 21 |
No. 11 63/27/10 |
36 | 16 | 7.5x10-2 | 30.4 |
No. 12 63/27/10 |
47 | 15 | 7x10-2 | 31.0 |
No. 13 64/27/9 |
48 | 16 | 7x10-2 | 31.2 |
비교예 No. 14 19/78/3 |
52 | 31 | 7.6x10-2 | 12.6 |
대표 혼합물의 조성 | |
NH3 | 500 vpm |
NO | 500 vpm |
O2 | 13 vol% |
H2O | 5 vol% |
N2 | 나머지 |
실시예 번호 |
800℃에서 4시간 동안 하소된 조성물 |
16시간 동안 750℃에서 수열노화된 조성물 |
||||
200℃ | 225℃ | 250℃ | 200℃ | 225℃ | 250℃ | |
No. 1 | 25 | 59 | 84 | 23 | 47 | 74 |
No. 2 | 13 | 28 | 54 | 10 | 26 | 50 |
No. 3 | 16 | 43 | 71 | 15 | 38 | 60 |
No. 4 | 10 | 21 | 40 | 7 | 21 | 39 |
No. 5 | 19 | 43 | 69 | 12 | 35 | 57 |
No. 6 | 25 | 61 | 81 | 20 | 42 | 68 |
No. 7 | 30 | 67 | 86 | 22 | 44 | 67 |
No. 8 | 34 | 67 | 86 | 23 | 47 | 73 |
No. 9 | 16 | 43 | 76 | 10 | 24 | 54 |
No. 10 | 20 | 50 | 84 | 13 | 30 | 56 |
No. 11 | 25 | 52 | 80 | 21 | 44 | 67 |
No. 12 | 29 | 55 | 80 | 19 | 41 | 65 |
No. 13 | 28 | 54 | 80 | 20 | 40 | 63 |
비교예 No. 14A |
7 | 12 | 28 | 4 | 13 | 26 |
비교예 No. 14B V2O5(2%)/TiO2(88%)/WO3(10%) |
3 | 6 | 9 | 2 | 4 | 8 |
비교예 No. 14C Fe/ZSM5 Fe2O3 = 1.7% SiO2/Al2O3 = 20 |
4 | 3 | 4 | 4 | 4 | 5 |
비교예 No. 14D Cu/페리어라이트 CuO(4%) SiO2/Al2O3 = 10 |
12 | 19 | 46 | 10 | 15 | 23 |
T초기(℃) | T50%(℃) | |
촉매를 사용하지 않음 | 490 | 605 |
실시예 No. 1 | 400 | 535 |
비교예 No. 14C | 500 | 611 |
비교예 No. 14D | 500 | 580 |
Claims (24)
- 질소 산화물(NOx)을 질소함유(nitrogenous) 환원제로 환원 반응시키는 NOx-함유 가스의 처리 방법으로서, 세륨 산화물을 기재로 하고 니오븀 산화물을 포함하되
- 2% 내지 20%의 니오븀 산화물, 및
- 나머지는 세륨 산화물
의 질량 비율로 이루어진, 4 시간 동안 800℃에서의 하소 후 15 m2/g 이상의 비표면적을 나타내는 조성물을 함유한 촉매 시스템을 상기 환원 반응을 위한 촉매로서 사용하는 것을 특징으로 하는, NOx-함유 가스의 처리 방법. - 삭제
- 질소 산화물(NOx)을 질소함유(nitrogenous) 환원제로 환원 반응시키는 NOx-함유 가스의 처리 방법으로서, 세륨 산화물을 기재로 하고 지르코늄 산화물 및 니오븀 산화물을 포함하되,
- 세륨 산화물 50% 이상;
- 니오븀 산화물 2% 내지 20%;
- 지르코늄 산화물 10% 내지 48%
의 질량 비율로 이루어진, 4 시간 동안 800℃에서의 하소 후 20 m2/g 이상의 비표면적을 나타내는 조성물을 함유한 촉매 시스템을 상기 환원 반응을 위한 촉매로서 사용하는 것을 특징으로 하는 방법. - 질소 산화물(NOx)을 질소함유(nitrogenous) 환원제로 환원 반응시키는 NOx-함유 가스의 처리 방법으로서, 세륨 산화물을 기재로 하고 지르코늄 산화물, 니오븀 산화물, 및 텅스텐, 몰리브덴, 철, 구리, 규소, 알루미늄, 망간, 티타늄, 바나듐, 및 세륨을 제외한 희토류 금속을 포함하는 군에서 선택된 원소 M의 산화물 중 1종 이상을 포함하되,
- 세륨 산화물 50% 이상;
- 니오븀 산화물 2% 내지 20%;
- 원소 M의 산화물 1% 내지 20%;
- 나머지는 지르코늄 산화물
의 질량 비율로 이루어진, 4 시간 동안 800℃에서의 하소 후 20 m2/g 이상의 비표면적을 나타내는 조성물을 함유한 촉매 시스템을 상기 환원 반응을 위한 촉매로서 사용하는 것을 특징으로 하는 방법. - 삭제
- 제1항 또는 제4항에 있어서, 니오븀 산화물의 질량 비율은 3% 내지 15%인 것을 특징으로 하는 방법.
- 제3항에 있어서, 니오븀 산화물의 질량 비율은 3% 내지 15%이고, 지르코늄 산화물의 질량 비율은 10% 내지 40%인 것을 특징으로 하는 방법.
- 제6항에 있어서, 니오븀 산화물의 질량 비율은 5% 내지 10%인 것을 특징으로 하는 방법.
- 제7항에 있어서, 니오븀 산화물의 질량 비율은 5% 내지 10%인 것을 특징으로 하는 방법.
- 제3항에 있어서, 세륨 산화물의 질량 비율은 65% 이상이고, 니오븀 산화물의 질량 비율은 2% 내지 12%이고, 지르코늄 산화물의 질량 비율은 10% 내지 30%인 것을 특징으로 하는 방법.
- 제4항에 있어서, 세륨 산화물의 질량 비율은 65% 이상이고, 니오븀 산화물의 질량 비율은 2% 내지 12%인 것을 특징으로 하는 방법.
- 제10항 또는 제11항에 있어서, 니오븀 산화물의 질량 비율은 2% 내지 10%인 것을 특징으로 하는 방법.
- 제10항에 있어서, 세륨 산화물의 질량 비율은 70% 이상이고, 지르코늄 산화물의 질량 비율은 10% 내지 25%인 것을 특징으로 하는 방법.
- 제11항에 있어서, 세륨 산화물의 질량 비율은 70% 이상인 것을 특징으로 하는 방법.
- 제13항에 있어서, 세륨 산화물의 질량 비율은 75% 이상이고, 지르코늄 산화물의 질량 비율은 10% 내지 18%인 것을 특징으로 하는 방법.
- 제14항에 있어서, 세륨 산화물의 질량 비율은 75% 이상인 것을 특징으로 하는 방법.
- 제1항, 제3항 및 제4항 중 어느 한 항에 있어서, 니오븀 산화물의 질량 비율은 2% 이상 10% 미만인 것을 특징으로 하는 방법.
- 제3항 또는 제4항에 있어서, 세륨 산화물을 기재로 한 조성물은 세륨 산화물을 60% 이상의 질량 비율로, 지르코늄 산화물을 10% 내지 25%의 질량 비율로 포함하는 것을 특징으로 하는 방법.
- 제1항에 있어서, 세륨 산화물을 기재로 한 조성물은 바나듐, 구리, 망간, 텅스텐 및 철을 포함하는 군에서 선택된 1종 이상의 금속 M'의 산화물을 1% 내지 10%의 질량 비율로 포함하는 것을 특징으로 하는 방법.
- 제19항에 있어서, 세륨 산화물을 기재로 한 조성물은 바나듐, 구리, 망간, 텅스텐 및 철을 포함하는 군에서 선택된 1종 이상의 금속 M'의 산화물을 1% 내지 3%의 질량 비율로 포함하는 것을 특징으로 하는 방법.
- 제1항, 제3항, 제4항, 제19항, 및 제20항 중 어느 한 항에 있어서, 상기 촉매 시스템은 제올라이트를 추가로 함유하는 것을 특징으로 하는 방법.
- 제1항, 제3항, 제4항, 제19항, 및 제20항 중 어느 한 항에 있어서, 암모니아 또는 우레아를 질소함유 환원제로 사용하는 것을 특징으로 하는 방법.
- 제1항, 제3항, 제4항, 제19항, 및 제20항 중 어느 한 항에 있어서, 자동차 엔진의 배기가스를 처리하는 것을 특징으로 하는 방법.
- 제23항에 있어서, 상기 촉매 시스템은 입자 필터 상에 배치되거나, 또는 압출가공된 형태의 상기 조성물을 기재로 하는 것을 특징으로 하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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FR1003861 | 2010-09-29 | ||
FR1003861A FR2965189A1 (fr) | 2010-09-29 | 2010-09-29 | Procede de traitement d'un gaz contenant des oxydes d'azote (nox) utilisant comme catalyseur une composition a base d'oxyde de cerium et d'oxyde de niobium |
PCT/EP2011/066908 WO2012041921A2 (fr) | 2010-09-29 | 2011-09-28 | Procede de traitement d'un gaz contenant des oxydes d'azote (nox) utilisant comme catalyseur une composition a base d'oxyde de cerium et d'oxyde de niobium |
Publications (2)
Publication Number | Publication Date |
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KR20130062349A KR20130062349A (ko) | 2013-06-12 |
KR101990156B1 true KR101990156B1 (ko) | 2019-06-17 |
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KR1020137007948A Expired - Fee Related KR101990156B1 (ko) | 2010-09-29 | 2011-09-28 | 세륨 산화물 및 니오븀 산화물을 포함하는 조성물을 촉매로 사용하는, 질소 산화물(NOx)-함유 가스를 처리하는 방법 |
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US (1) | US8734742B2 (ko) |
EP (1) | EP2621611A2 (ko) |
JP (1) | JP5771276B2 (ko) |
KR (1) | KR101990156B1 (ko) |
CN (1) | CN103153438B (ko) |
CA (1) | CA2807665C (ko) |
FR (1) | FR2965189A1 (ko) |
RU (1) | RU2541070C2 (ko) |
WO (1) | WO2012041921A2 (ko) |
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FR2962431B1 (fr) * | 2010-07-07 | 2018-01-19 | Rhodia Operations | Composition a base d'oxydes de cerium, de niobium et, eventuellement, de zirconium et son utilisation en catlyse. |
US9981256B2 (en) * | 2011-12-02 | 2018-05-29 | Pq Corporation | Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of NOx |
JP6101519B2 (ja) * | 2013-03-13 | 2017-03-22 | 東京濾器株式会社 | 触媒ユニット |
FR3003557B1 (fr) * | 2013-03-19 | 2015-05-01 | Rhodia Operations | Composition a base d'oxyde de zirconium, de cerium, de niobium et d'etain, procede de preparation et utilisation en catalyse |
JP6464191B2 (ja) * | 2013-12-30 | 2019-02-06 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company | ドープされたセリアを使用する選択的触媒的還元方法 |
JP6180032B2 (ja) * | 2014-08-04 | 2017-08-16 | 株式会社豊田中央研究所 | 複合金属酸化物及びその製造方法、並びに、その複合金属酸化物を用いた窒素酸化物分解触媒及びその窒素酸化物分解触媒を用いた窒素酸化物の分解方法 |
CN105126827B (zh) * | 2015-09-10 | 2018-01-26 | 西南化工研究设计院有限公司 | 一种涂覆式低温烟气脱硝催化剂及其制备方法和应用 |
CN106111150A (zh) * | 2016-06-16 | 2016-11-16 | 浙江三龙催化剂有限公司 | 船舶用脱硝催化剂 |
JP7187549B2 (ja) | 2017-10-03 | 2022-12-12 | ビーエーエスエフ コーポレーション | Scr触媒組成物、触媒、およびかかる触媒を組み込んだ触媒システム |
FR3077566A1 (fr) | 2018-02-02 | 2019-08-09 | Rhodia Operations | Procede de preparation d'un oxyde a base de cerium et/ou de zirconium |
FR3077567A1 (fr) | 2018-02-02 | 2019-08-09 | Rhodia Operations | Procede de preparation d'un oxyde a base de cerium et/ou de zirconium |
CN110918084A (zh) * | 2019-12-13 | 2020-03-27 | 中国科学院城市环境研究所 | 一种复合氧化物催化剂及其制备方法和用途 |
US12318762B2 (en) * | 2020-05-14 | 2025-06-03 | Basf Mobile Emissions Catalysts Llc | Metal oxide-based SCR catalyst composition |
CN115845833B (zh) * | 2021-09-23 | 2024-06-21 | 重庆理工大学 | 一种用于SCR降解的Nb-Ce-W脱硝催化剂制备方法及应用 |
CN115739173B (zh) * | 2022-11-15 | 2024-05-17 | 昆明理工大学 | 一种结构稳定的脱硝催化剂及其制备方法和应用、整体式催化剂及其应用 |
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- 2011-09-28 WO PCT/EP2011/066908 patent/WO2012041921A2/fr active Application Filing
- 2011-09-28 KR KR1020137007948A patent/KR101990156B1/ko not_active Expired - Fee Related
- 2011-09-28 CA CA2807665A patent/CA2807665C/fr not_active Expired - Fee Related
- 2011-09-28 EP EP11761629.2A patent/EP2621611A2/fr not_active Withdrawn
- 2011-09-28 CN CN201180047157.4A patent/CN103153438B/zh not_active Expired - Fee Related
- 2011-09-28 JP JP2013530719A patent/JP5771276B2/ja not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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JP2013544628A (ja) | 2013-12-19 |
WO2012041921A2 (fr) | 2012-04-05 |
RU2013119605A (ru) | 2014-11-10 |
US8734742B2 (en) | 2014-05-27 |
WO2012041921A3 (fr) | 2012-05-24 |
KR20130062349A (ko) | 2013-06-12 |
CN103153438B (zh) | 2016-02-17 |
EP2621611A2 (fr) | 2013-08-07 |
RU2541070C2 (ru) | 2015-02-10 |
US20130195743A1 (en) | 2013-08-01 |
CN103153438A (zh) | 2013-06-12 |
CA2807665C (fr) | 2015-06-02 |
FR2965189A1 (fr) | 2012-03-30 |
JP5771276B2 (ja) | 2015-08-26 |
CA2807665A1 (fr) | 2012-04-05 |
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