WO2021043256A8 - 稀土锰/铈锆基复合化合物及其制备方法和应用 - Google Patents

稀土锰/铈锆基复合化合物及其制备方法和应用 Download PDF

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WO2021043256A8
WO2021043256A8 PCT/CN2020/113455 CN2020113455W WO2021043256A8 WO 2021043256 A8 WO2021043256 A8 WO 2021043256A8 CN 2020113455 W CN2020113455 W CN 2020113455W WO 2021043256 A8 WO2021043256 A8 WO 2021043256A8
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cerium
rare earth
zirconium
composite compound
preparation
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PCT/CN2020/113455
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French (fr)
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WO2021043256A1 (zh
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黄小卫
张永奇
李红卫
翟志哲
钟强
张赫
崔梅生
侯永可
王昊
冯宗玉
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有研稀土新材料股份有限公司
河北雄安稀土功能材料创新中心有限公司
有研稀土高技术有限公司
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Priority claimed from CN201910833257.8A external-priority patent/CN112439407B/zh
Priority claimed from CN201910845391.XA external-priority patent/CN112439408B/zh
Application filed by 有研稀土新材料股份有限公司, 河北雄安稀土功能材料创新中心有限公司, 有研稀土高技术有限公司 filed Critical 有研稀土新材料股份有限公司
Priority to CA3132392A priority Critical patent/CA3132392C/en
Priority to JP2021538818A priority patent/JP7346578B2/ja
Priority to EP20861253.1A priority patent/EP3888787A4/en
Priority to KR1020217020492A priority patent/KR20210094641A/ko
Priority to US17/422,691 priority patent/US20220184583A1/en
Publication of WO2021043256A1 publication Critical patent/WO2021043256A1/zh
Publication of WO2021043256A8 publication Critical patent/WO2021043256A8/zh

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Abstract

一种稀土锰/铈锆基复合化合物及其制备方法和应用，所述复合化合物具有核壳结构，其通式表示为：ARE cB aO b-(1-A)Ce xZr (1-x-y)M yO 2-z，其中0.1≤A≤0.3，优选0.1≤A≤0.2；壳层主成分为稀土锰氧化物，其通式为RE cMn aO b，其中RE为一种或一种以上稀土元素的组合，B为Mn或Mn与过渡金属元素的组合，1≤a≤8，2≤b≤18，0.25≤c≤4；核心主成分为铈锆复合氧化物，其通式为Ce xZr (1-x-y)M yO 2-z，M为一种或一种以上非铈稀土元素；其中0.1≤x≤0.9，0≤y≤0.3，0.01≤z≤0.3。该复合化合物，通过界面效应增强铈锆材料的储氧性能，从而提高对氮氧化物的转化率。
PCT/CN2020/113455 2019-09-04 2020-09-04 稀土锰/铈锆基复合化合物及其制备方法和应用 WO2021043256A1 (zh)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CA3132392A CA3132392C (en) 2019-09-04 2020-09-04 Rare-earth-manganese/cerium-zirconium-based composite compound, method for preparing same and use thereof
JP2021538818A JP7346578B2 (ja) 2019-09-04 2020-09-04 希土類マンガン／セリウム－ジルコニウムベースの複合化合物、その調製方法および用途
EP20861253.1A EP3888787A4 (en) 2019-09-04 2020-09-04 COMPOSITE MATERIAL BASED ON RARE EARTH-MANGANE/CERIUM-ZIRCONIA, PRODUCTION PROCESS THEREOF AND APPLICATION THEREOF
KR1020217020492A KR20210094641A (ko) 2019-09-04 2020-09-04 희토류 망간/세륨 지르코늄 기재 복합 화합물 및 그 제조 방법과 응용
US17/422,691 US20220184583A1 (en) 2019-09-04 2020-09-04 Rare-earth-manganese/cerium-zirconium-based composite compound, method for preparing same and use thereof

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Application Number Priority Date Filing Date Title
CN201910833257.8A CN112439407B (zh) 2019-09-04 2019-09-04 核壳结构稀土锰/铈锆复合化合物及制备方法和催化剂
CN201910845391.XA CN112439408B (zh) 2019-09-04 2019-09-04 负载稀土锰的铈锆复合化合物及制备方法和催化剂
CN201910845391.X 2019-09-04
CN201910833257.8 2019-09-04

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CN113181902B (zh) * 2021-04-21 2023-08-01 南京理工大学 富含金属缺陷的四氧化三锰催化剂的制备方法及其应用
CN113181929A (zh) * 2021-04-25 2021-07-30 中国科学院城市环境研究所 一种复合催化剂及其制备方法和应用
CN113231057B (zh) * 2021-05-12 2022-03-15 清华大学 （001）晶面取向的锰基莫来石催化剂制备与应用
CN115382535B (zh) * 2022-09-20 2023-10-31 潍坊正轩稀土催化材料有限公司 可代替贵金属应用于voc催化剂的锰基铈锆固溶体制备方法
CN115709093A (zh) * 2022-11-15 2023-02-24 云汇环保科技南通有限公司 一种SmMn2O5/凹凸棒土/分子筛复合催化剂及其制备方法与应用

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