Direct Decomposition of NO into N2 and O2 over Cu /ZSM-5 Containing Ce and Zr as Promoter

The Zr-Cu-Ce/ZSM-5 catalysts prepared by the simultaneous ion-exchange showed high activity for NO decomposition in the presence of O2, the highest conversion of NO was up to 75%, indicating that the Ce and Zr addition can enhance the activity of catalysts. A new highly active site, which facilitates oxygen mobilization and desorption, could be formed in the sample due to the Ce and Zr addition. In addition, the Zr addition can significantly improve the thermal stability of the catalyst.

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Improvement of thermal stability of highly active species on SiO2 supported copper-ceria catalysts

RSC Advances ◽

10.1039/d1ra06204b ◽

2021 ◽

Vol 11 (53) ◽

pp. 33271-33275

Author(s):

Gonzalo Aguila ◽

Rafael Calle ◽

Sichem Guerrero ◽

Patricio Baeza ◽

Paulo Araya

Keyword(s):

Thermal Stability ◽

High Activity ◽

Active Species ◽

High Thermal Stability ◽

Highly Active ◽

Ceria Catalysts ◽

Thermal Stability Of

CuO–CeO2/SiO2 catalysts with Ce loading of 24% and above keep high activity after calcination at 700 °C. Therefore, a catalyst with high thermal stability of CuO–CeO2 interface can be obtained able to work in a higher range of temperatures.

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Thermal Stability of Metal–Organic Frameworks and Encapsulation of CuO Nanocrystals for Highly Active Catalysis

ACS Applied Materials & Interfaces ◽

10.1021/acsami.7b17389 ◽

2018 ◽

Vol 10 (11) ◽

pp. 9332-9341 ◽

Cited By ~ 34

Author(s):

Hsuan-Lan Wang ◽

Hsin Yeh ◽

Yi-Chen Chen ◽

Yen-Chih Lai ◽

Chih-Yuan Lin ◽

...

Keyword(s):

Thermal Stability ◽

Metal Organic Frameworks ◽

Highly Active ◽

Metal Organic ◽

Cuo Nanocrystals ◽

Thermal Stability Of

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Effects of Mn and Zr Addition in 6000 Series Aluminum Alloys on the Formation of Stabilized Substructures during Hot Deformation

Materials Science Forum ◽

10.4028/www.scientific.net/msf.877.281 ◽

2016 ◽

Vol 877 ◽

pp. 281-289 ◽

Cited By ~ 2

Author(s):

Hiroki Tanaka ◽

Yasunori Nagai

Keyword(s):

Heat Treatment ◽

Thermal Stability ◽

Aluminum Alloys ◽

Strain Rate ◽

Hot Deformation ◽

Fibrous Structure ◽

Deformation Parameters ◽

Zr Addition ◽

Plane Strain Compression Test ◽

Thermal Stability Of

Thermal stability of substructures in 6000 series aluminum alloys containing Mn and Zr elements was investigated using plane-strain compression test. In order to form thermally stabilized substructures, the deformation parameters should be selected so as to correlate with kinetic precipitation during the deformation. For substructures of the alloys containing Mn and Zr elements, the substructures were stable during the heat treatment at 540 ̊C when the alloys were deformed at a temperature above 350 ̊C. The sheets rolled above 350 ̊C at a strain rate of under 3 s-1 per pass showed the fibrous structure and well developed β-fiber textures after the heat treatment at 540 ̊C. The sheets with the fibrous structure had an average Lankford value larger than one.

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Synthesis of Highly Deactivated Polyhalogenated Aromatic Compounds

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.683.269 ◽

2016 ◽

Vol 683 ◽

pp. 269-274 ◽

Cited By ~ 1

Author(s):

Vasily Sobolev ◽

Sergey Ivlev ◽

Vladimir Shagalov ◽

Roman Ostvald ◽

Ivan Zherin

Keyword(s):

Thermal Stability ◽

Composite Materials ◽

Aromatic Compounds ◽

Isothermal Calorimetry ◽

Heat Of Formation ◽

Barium Fluoride ◽

Alkali Earth ◽

Highly Active ◽

Thermal Stability Of ◽

Bromine Trifluoride

The barium fluorobromate(III) was obtained as the product of interaction between barium fluoride and bromine(III) trifluoride. The heat of formation of Ba(BrF4)2 was found by isothermal calorimetry method. By the TG/DT analysis the thermal stability of Ba(BrF4)2 was researched. It was found that this compound is mostly stable in the atmosphere or argon up to 250 °C. It was shown that bromine trifluoride and its derive compounds with alkali and alkali-earth metals fluorides can be applied like a highly-active brominating agent in case of production of various composite materials based on polyhalogenated aromatics.

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