Highly Efficient Ru/CeO2 Catalyst for Formaldehyde Oxidation at Low Temperature and Mechanistic Study

2021 ◽  
Author(s):  
Xiaoxiao Qin ◽  
Xueyan Chen ◽  
Min Chen ◽  
Jiangho Zhang ◽  
Hong He ◽  
...  
Keyword(s):  
Low Temperature ◽  
Indoor Air ◽  
Air Purification ◽  
Mechanistic Study ◽  
Highly Efficient ◽  
Formaldehyde Oxidation ◽  
Indoor Air Purification

Formaldehyde (HCHO) elimination at low temperature is of great interest for indoor air purification. In this work, 1 wt. % Ru supported on CeO2 and Al2O3 catalysts were prepared by...

scholarly journals House-plant placement for indoor air purification and health benefits on asthmatics

2014 ◽  
Vol 29 ◽  
pp. e2014014 ◽  
Author(s):  
Ho-Hyun Kim ◽  
Ji-Yeon Yang ◽  
Jae-Young Lee ◽  
Jung-Won Park ◽  
Kwang-Jin Kim ◽  
...  
Keyword(s):  
Indoor Air ◽  
Health Benefits ◽  
Air Purification ◽  
Indoor Air Purification

Catalytic Oxidation of Formaldehyde Over Mesoporous MnOx-CeO2 Catalysts

2015 ◽  
Vol 14 (01n02) ◽  
pp. 1460028 ◽  
Author(s):  
Yanlei Zhao ◽  
Hua Tian ◽  
Junhui He ◽  
Qiaowen Yang
Keyword(s):  
Low Temperature ◽  
Indoor Air ◽  
Active Sites ◽  
Harmful Effect ◽  
Practical Interest ◽  
Catalytic Performance ◽  
Air Pollutant ◽  
Ordered Mesoporous ◽  
Formaldehyde Oxidation ◽  
Catalytic Performances

Formaldehyde is regarded as the major indoor air pollutant. Because of harmful effect on human health, its emission abatement is of significant practical interest. We report here excellent low-temperature catalytic performances of mesoporous MnO x - CeO 2 catalysts in the process of formaldehyde oxidation. These MnO x - CeO 2 catalysts were synthesized by a "nanocasting" method using SBA-15 as hard template. TEM images showed that the as-fabricated MnO x - CeO 2 composites possess well-ordered mesoporous architectures. Results of catalytic tests revealed that mesoporous MnO x - CeO 2 nanocomposites have excellent low-temperature catalytic activity for formaldehyde oxidation, the temperature for 100% formaldehyde conversion can be as low as 65°C over these noble-metal-free mesoporous catalysts. The excellent catalytic performance is attributed to their ordered mesoporous structures that expose abundant active sites to formaldehyde molecules.

Study on Photocatalytic Technology with Photovoltaic-Thermal Integration and its Applications in Indoor Air Purification

2013 ◽  
Vol 864-867 ◽  
pp. 1360-1363
Author(s):  
Cheng Zhen Hu ◽  
Yan Nan Cai ◽  
Jiang Wu ◽  
Bi Chen Yan ◽  
Xue Jun Qiu ◽  
...  
Keyword(s):  
Experimental Data ◽  
Indoor Air ◽  
Air Purification ◽  
Photocatalytic Reaction ◽  
Energy And Environment ◽  
Purification Efficiency ◽  
Technical And Economic Analysis ◽  
Thermal Integration ◽  
Co Doped ◽  
Indoor Air Purification

In terms of energy and environmental purification, application of photocatalytic purification in energy and environment is getting increasingly widespread. In the present paper, it focused on the applications of photocatalytic technology in indoor air purification. Photocatalyst and photocatalytic reaction devices are the two issues in photocatalytic air purification. Fe-La co-doped TiO2 was prepared, and integration of photovoltaic-thermal circular photocatalytic air purification reactor was designed, which showed high air purification efficiency. The experimental data and theoretical analysis gave the support to exploit new indoor air purification technologies. Further, technical and economic analysis on photocatalysis technology with photovoltaic-thermal integration applying in indoor air purification was studied and helpful results were attained.

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