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相关机构：上海交通大学北京科技大学中国科学院北京化工大学更多>>
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  • 期刊=Journal of Rare Earthsx
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Unraveling the nature of cerium on stabilizing Cu/SAPO-34 NH_(3)-SCR catalysts under hydrothermal aging at low temperatures
《Journal of Rare Earths》2023年第10期1551-1561,I0003,共12页Weibo Zhang Meiqing Shen Jun Wang Xinyu Li Jianqiang Wang Gurong Shen Chen Wang 
the National Natural Science Foundation of China for Youths(21908207);National Key R&D Program of China(2021YFB3503200);the Key R&D project of Shandong Province(2021CXGC010703);China Postdoctoral Science Foundation(2020M670659);Shanxi Province Science Foundation for Youths(201901D211224);Scientific and Technological Innovation Programs of Higher Education Institutions in Shanxi(2019L0575)。
To reveal how cerium stabilizes Cu/SAPO-34 at low-temperature hydrothermal aging,various amounts of cerium were introduced into Cu/SAPO-34 via impregnation method and treated at 70℃with RH 80%for 96 h.Cerium as Ce^(3...
关键词：Cu/SAPO-34 NH_(3)-SCR catalysts Low-temperature hydrothermal aging Cerium loading Surface acidity Long-term stability Rare earths 
A mechanic insight into low-temperature catalytic combustion toward ethylene oxide over Pt-Ru/CuCeO_(x) bimetallic catalyst
《Journal of Rare Earths》2023年第6期881-888,I0003,共9页Wenxi Zhou Kai Chen Quanli Ke Haoru Wang Xiao Chen Yufeng Liu Guokai Cui Xiaole Weng Ying Zhou Hanfeng Lu 
Project supported by the National Natural Science Foundation of China(22208300,22078294,21922607);Natural Science Foundation of Zhejiang Province(LZ21E080001,LGF20E080018).
The catalytic oxidation performance toward ethylene oxide(EO)and the consequent mechanism were investigated on the Pt-Ru/CuCeO_(x)bimetallic catalyst,which was prepared by a distinct method combining stepwise adsorpti...
关键词：Ethylene oxide Bimetallic catalyst Catalytic oxidation Degradation pathway Mechanism Rare earths 
Realizing texture in bulk nanocrystalline Nd-Fe-B magnet via high-stress low-temperature rapid deformation被引量：3
《Journal of Rare Earths》2023年第5期713-720,I0003,共9页Bingning Wei Guosheng Zhang Ping Song Defeng Guo 
supported by the National Natural Science Foundation of China(51931007,51971196,52071279,52101234)。
It is difficult to obtain nanoscale grain size and strong texture in hot-deformed magnets simultaneously,which is responsible for the low magnetic properties of nanocrystalline magnets.In this study,a strong texture w...
关键词：Nd-Fe-B magnet Hot deformation Nanoscale grain Crystal texture Magnetic properties Rare earths 
Low-temperature catalytic combustion of trichloroethylene over MnO_(x)-CeO_(2)mixed oxide catalysts被引量：4
《Journal of Rare Earths》2023年第4期523-530,共8页Kai Shen Mingxiang Jiang Xinwei Yang Weizhong Zhou Qiguang Dai Xingyi Wang Li Wang Yun Guo Yanglong Guo Wangcheng Zhan 
Project supported by the National Key Research and Development Program of China(2016YFC0204300);National Natural Science Foundation of China(21922602,22076047,21976057);Shanghai Rising-star Program(20QB1400400);Shanghai Science and Technology Innovation Action Plan(20dz12,04200);Fundamental Research Funds for the Central Universities。
The cerium-based catalysts were investigated for the catalytic co mbustion of trichlo roethylene(TCE)and exhibit a surprising catalytic activity.MnO_(x)was doped into CeO_(2)by a citric acid(CA)sol-gel method,and the ...
关键词：Catalytic combustion TRICHLOROETHYLENE Cerium oxide Manganese oxide Rare Earths 
Preparation of M_(2)B_(5)O_(9)Cl:Eu^(2+)(M=Sr,Ca)blue phosphors by a facile low-temperature self-reduction method and their enhanced luminescent properties被引量：1
《Journal of Rare Earths》2023年第3期349-357,I0001,共10页Pan Liang Lianqing Li Tong Shen Wenli Lian Zhihong Liu 
Project supported by the National Natural Science Foundation of China(22003035,22073061);the Natural Science Foundation of Shaanxi Province Department of Education(21JK0587);the Natural Science Foundation of Shaanxi Province(2020GY-237);the Foundation of Shaanxi Xueqian Normal University(2020YBKJ70);Innovation and Entrepreneurship Training Program for College Students in Shaanxi Province(S202014390037)。
In this work,through a facile method of low-temperature(only 350℃)self-reduction,1D nano-sized M_(2)B_(5)O_(9)CI:Eu^(2+)(M=Sr,Ca)blue phosphors with highly efficient performance can be obtained.The crystal structure,...
关键词：Low-temperature self-reduction Borate phosphor Ultra-high quantum yield High color purity Rare earths 
Enhancing low-temperature NH_(3)-SCR performance of Fe-Mn/CeO_(2)catalyst by Al_(2)O_(3)modification被引量：12
《Journal of Rare Earths》2022年第9期1454-1461,I0005,共9页Lulu Li Jiawei Ji Wei Tan Wang Song Xin Wang Xiaoqian Wei Kai Guo Wanyu Zhang Changjin Tang Lin Dong 
Project supported by the National Natural Science Foundation of China(21806077,21773106,2197681)。
In the work,supported catalysts of FeO_(x) and MnO_(x) co-supported on aluminum-modified CeO_(2)was synthesized for low-temperature NH_(3)-selective catalytic reduction(NH_(3)-SCR)of NO.Impressively,the SCR activity o...
关键词：Selectivity catalytic reduction NO removal Low-temperature activity Al doping Cerium dioxide Rare earths 
Sm-MnO_(x)catalysts for low-temperature selective catalytic reduction of NO_(x)with NH_(3):Effect of precipitation agent被引量：3
《Journal of Rare Earths》2022年第8期1199-1210,共12页Junbin Ding Xinwei Yang Aiyong Wang Can Yang Yanglong Guo Yun Guo Li Wang Wangcheng Zhan 
Project supported by the National Key Research and Development Program of China(2016YFC0204300);the National Natural Science Foundation of China(21577034,21922602,22076047,U1905214);Shanghai Risingstar Program(20QB1400400);Shanghai Science and Technology Innovation Action Plan(20dz1204200);Fundamental Research Funds for the Central Universities。
A series of Sm-Mn mixed oxide catalysts were prepared via precipitation using various precipitants,namely Na_(2)CO_(3)(NH_(4))_(2)CO_(3),and NH_(3)·H_(2)O,and evaluated for the selective catalytic reduction(SCR)of NO...
关键词：Effect of precipitant Mn-based catalyst Selective catalytic reduction Rare earths 
Novel synthesis of single-crystalline TbCu_(7)-type Sm-Fe powder by low-temperature reduction-diffusion process using molten salt被引量：3
《Journal of Rare Earths》2022年第7期1126-1133,共8页Shusuke Okada Kenta Takagi 
Project supported by JSPS KAKENHI(16K18230,18K13986,20K05072)。
In this study,molten salt was used as a solvent for calcium(Ca)to let a reduction-diffusion(R-D)reaction occur below the melting point of Ca(1115 K),which is the lower limit temperature of the co nventional RD process...
关键词：Reduction-diffusion TbCu_(7) Molten salt Permanent magnet Rare earths 
Novel Mn-Ce bi-oxides loaded on 3D monolithic nickel foam for low-temperature NH_(3)-SCR de-NO_(x):Preparation optimization and reaction mechanism被引量：4
《Journal of Rare Earths》2022年第2期268-278,I0003,共12页Shuquan Ni Xiaolong Tang Honghong Yi Fengyu Gao Chengzhi Wang Yiran Shi Runcao Zhang Wenjuan Zhu 
Project supported by the National Key R&D Program of China(2017YFC0210303);National Natural Science Foundation of China(21806009);China Postdoctoral Science Foundation(2019T120049);Fundamental Research Funds for the Central Universities(06500152,FRF-TP-18-019A1)。
This study explored the superior citrate method(CM)to synthesize Mn-Ce bi-oxides on 3 D monolithic Ni-foam(NF)catalysts for the selective catalytic reduction of NO by NH_(3)(NH_(3)-SCR).The 17 wt%Mn(7)Ce(3)O_(x)/NF(CM...
关键词：NH_(3)-SCR Low temperature Citrate method Fast-SCR 3D monolithic catalysts Oxygen vacancies 
Low-temperature NH_(3)-SCR of NO_(x) over MnCeO_(x)/TiO_(2) catalyst:Enhanced activity and SO_(2) tolerance by modifying TiO_(2) with Al_(2)O_(3)被引量：11
《Journal of Rare Earths》2021年第7期805-816,I0002,共13页Gang Li Dongsen Mao Mengxi Chao Gehua Li Jun Yu Xiaoming Guo 
Project supported by the Alliance Project of Shanghai City in China(LM201641)。
A series of TiO_(2)-Al_(2)O_(3) composites with Al/Ti molar ratios of 0.1,0.2,and 0.4 were synthesized by a coprecipitation method and used as supports to prepare supported MnCeO_(x) catalysts by an impregnation metho...
关键词：Low-temperature NH_(3)-SCR MnCeO_(x)/TiO_(2)catalyst TiO_(2)-Al_(2)O_(3)mixed oxide SO_(2)tolerance Rare earths 
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