Hydrodeoxygenation of stearic acid using Mo modified Ni and Co/alumina catalysts: Effect of calcination temperature

The effect of heat treatment of manganese oxide/alumina catalysts of various manganese content on the structural and textural properties and the catalytic decomposition of hydrogen peroxide were investigated. The FT-IR results have shown that depending on the calcination temperature and metal loading MnO2 and MnO3 are formed on the investigated samples. No spinel structure was detected under the experimental conditions. The surface areas were found to decrease with increasing calcination temperature and metal content up to 30 wt.% Mn. The mean pore radius increased with both calcination temperature and Mn content. The rate of catalytic decomposition of H2O2 was found to depend on the pH, the calcination temperature and the state of Mn on the catalyst surface.

Download Full-text

Hydrodeoxygenation of stearic acid and tall oil fatty acids over Ni-alumina catalysts: Influence of reaction parameters and kinetic modelling

Chemical Engineering Journal ◽

10.1016/j.cej.2017.01.117 ◽

2017 ◽

Vol 316 ◽

pp. 401-409 ◽

Cited By ~ 41

Author(s):

Klara Jeništová ◽

Imane Hachemi ◽

Päivi Mäki-Arvela ◽

Narendra Kumar ◽

Markus Peurla ◽

...

Keyword(s):

Fatty Acids ◽

Stearic Acid ◽

Kinetic Modelling ◽

Reaction Parameters ◽

Tall Oil ◽

Tall Oil Fatty Acids ◽

Alumina Catalysts

Download Full-text

Effect of calcination temperature during preparation of Ru−Sn-alumina catalysts on the hydrogenation of carboxylic acid

Reaction Kinetics and Catalysis Letters ◽

10.1007/bf02067986 ◽

1996 ◽

Vol 59 (1) ◽

pp. 15-18 ◽

Cited By ~ 1

Author(s):

Katsuhiko Tahara ◽

Eiji Nagahara ◽

Yasushi Itoi ◽

Satoru Nishiyama ◽

Shigeru Tsuruya ◽

...

Keyword(s):

Carboxylic Acid ◽

Calcination Temperature ◽

Alumina Catalysts

Download Full-text

Role of NiMo Alloy and Ni Species in the Performance of NiMo/Alumina Catalysts for Hydrodeoxygenation of Stearic Acid: A Kinetic Study

ACS Omega ◽

10.1021/acsomega.8b03592 ◽

2019 ◽

Vol 4 (2) ◽

pp. 2833-2843 ◽

Cited By ~ 6

Author(s):

Pankaj Kumar ◽

Sunil K. Maity ◽

Debaprasad Shee

Keyword(s):

Stearic Acid ◽

Kinetic Study ◽

Ni Species ◽

Alumina Catalysts

Download Full-text

Effect of calcination temperature of mesoporous nickel–alumina catalysts on their catalytic performance in hydrogen production by steam reforming of liquefied natural gas (LNG)

Journal of Industrial and Engineering Chemistry ◽

10.1016/j.jiec.2010.05.010 ◽

2010 ◽

Vol 16 (5) ◽

pp. 795-799 ◽

Cited By ~ 26

Author(s):

Jeong Gil Seo ◽

Min Hye Youn ◽

Jin Suk Chung ◽

In Kyu Song

Keyword(s):

Hydrogen Production ◽

Natural Gas ◽

Calcination Temperature ◽

Steam Reforming ◽

Catalytic Performance ◽

Liquefied Natural Gas ◽

Alumina Catalysts

Download Full-text

Calcination Temperature Effects on Pd/Alumina Catalysts: Particle Size, Surface Species and Activity in Methane Combustion

Catalysis Today ◽

10.1016/j.cattod.2021.08.005 ◽

2021 ◽

Author(s):

Domenica R. Fertal ◽

Matteo Monai ◽

Laura Proaño ◽

Maxim P. Bukhovko ◽

Jihyeon Park ◽

...

Keyword(s):

Particle Size ◽

Calcination Temperature ◽

Temperature Effects ◽

Methane Combustion ◽

Surface Species ◽

Alumina Catalysts

Download Full-text

Surface Acidity of Silica-Alumina Catalysts in Relation to the Preparation Variables

Adsorption Science & Technology ◽

10.1177/026361748600300206 ◽

1986 ◽

Vol 3 (2) ◽

pp. 95-108 ◽

Cited By ~ 2

Author(s):

J. R. González-Velasco ◽

J. A. González-Marcos ◽

J. I. Gutiérrez-Ortiz ◽

A. Romero

Keyword(s):

Calcination Temperature ◽

Surface Acidity ◽

Acid Strength ◽

Strength Distribution ◽

Precipitation Rate ◽

Silica Alumina ◽

Acid Strength Distribution ◽

Alumina Catalysts

Factorial and rotational designs have been used to analyse the effect of each preparative variable on the surface acid strength distribution in silica-alumina catalysts. Relationships between the surface acidities at p Ka = 2·8, 3·3 and 4·8 and the most important variables, namely precipitation rate and temperature, drying pressure and temperature, impregnation concentration and calcination temperature have been obtained.

Download Full-text

Effect of Calcination Temperature on Nickel/Alumina Catalysts

Collection of Czechoslovak Chemical Communications ◽

10.1135/cccc19922073 ◽

1992 ◽

Vol 57 (10) ◽

pp. 2073-2077 ◽

Cited By ~ 3

Author(s):

Khaliq Ahmed ◽

Pronab Mistry

Keyword(s):

Crystallite Size ◽

Calcination Temperature ◽

Hydrogen Adsorption ◽

Nitrogen Adsorption ◽

Nickel Catalysts ◽

Surface Areas ◽

Different Temperatures ◽

Supported Nickel Catalysts ◽

Alumina Catalysts

Alumina-supported nickel catalysts prepared by the methods of impregnation and coprecipitation and heated at four different temperatures showed that the optimal calcination temperature for both types of catalysts lies in the region of 623-673 K. Crystallite size measurements by XRD revealed that coprecipitated samples have larger crystallites than the impregnated samples. The total surface areas measured by nitrogen adsorption and the results of metal area measurements made by hydrogen adsorption are in agreement with the crystallite size results.

Download Full-text