Results 21 to 30 of about 36,598 (265)

Mixed Oxide Catalyst for the Oxidation of Glycerol to Lactic Acid: Influence of the Preparation Method and Calcination Temperature

open access: yesIndonesian Journal of Chemistry, 2020
The selective oxidation reaction of glycerol to produce lactic acid is a high-temperature reaction, and requiring a catalyst with high thermal stability. The mixed metal oxide is one of the potential catalysts to be explored. In this study, prepared CaCe
Noraini Razali, Ahmad Zuhairi Abdullah
doaj   +1 more source

Hydroconversion of Furfural over Cu-Cr/SiO2 Nanocatalysts: A Comparative Study [PDF]

open access: yesIranian Journal of Chemical Engineering, 2018
Furfural is one of the most promising chemical platforms with bright perspective with respect to the production of biobased chemicals and fuels from lignocellulosic material.
M. Ghashghaee, S. Shirvani, V. Farzaneh
doaj  

Influence of Impregnation of Sodium Carbonate Catalyst on Physicochemical Properties of Biochar

open access: yesEngineering Proceedings, 2023
Biochar (BC) has been a viable resource in producing functionalised carbonaceous materials beneficial in soil fertility, environmental remediation, and energy recovery. In this study, the influence of Na2CO3 on the pyrolytic conversion of green pea peels
Norbert Onen Rubangakene   +4 more
doaj   +1 more source

Preparation of Pt-Zeolite Catalyst for Conversion of n-Octanol

open access: yesIndonesian Journal of Chemistry, 2010
Pt-zeolite catalyst has been prepared by immersing a sample of zeolite in PtCl4 solution. After separation, the sample was dried and calcinated at 550 °C for 4 hours under nitrogen stream.
I Made Sadiana   +2 more
doaj   +1 more source

Different Approaches for the Preparation of Composite Ionic Liquid-Based Membranes for Proton Exchange Membrane Fuel Cell Applications—Recent Advancements

open access: yesMembranes, 2023
The use of ionic liquid-based membranes as polymer electrolyte membranes for fuel cell applications increases significantly due to the major features of ionic liquids (i.e., high thermal stability and ion conductivity, non-volatility, and non ...
Mohammad Ebrahimi   +2 more
doaj   +1 more source

IS ISLAM IMPREGNABLE? [PDF]

open access: yesThe Muslim World, 1915
n ...
openaire   +1 more source

Thermal Performance Evaluation of Fatty Acid Ester and Paraffin Based Mixed SSPCMs Using Exfoliated Graphite Nanoplatelets (xGnP)

open access: yesApplied Sciences, 2016
Phase change materials (PCMs) have been used in various fields including the materials of buildings. In this research, mixed shape-stabilized PCMs (Mixed SSPCMs) were prepared by impregnating coconut oil and n-hexadecane into exfoliated graphite ...
Hwayoung Lee   +5 more
doaj   +1 more source

Impregnation of lumber due to the pressure of the impregnating liquid

open access: yesIOP Conference Series: Materials Science and Engineering, 2020
Abstract Storage of the container is one of the most serious problems faced by the manufacturer. At temperatures above 5 °C, the fungus and blue stain affect the container board. Because of this, enterprises suffer losses, which most often occur due to the fact that customers reject wooden containers, since it is important to use wooden ...
A Birman   +4 more
openaire   +1 more source

Product Development Study of Freeze-Dried Apples Enriched with Sea Buckthorn Juice and Calcium Lactate

open access: yesMolecules
Enriched or fortified foods are typically linked to ultra-processed foods, limiting the choice of functional food in the market. Addressing the market potential, particularly the elder population with osteoporosis, the functional food industry should ...
Marcellus Arnold   +7 more
doaj   +1 more source

Analysis of the current state of the stone mining and stone processing industry in Ukraine

open access: yesТехнічна інженерія, 2022
One of the most important industries is the extraction and processing of natural stone, which is characterized by a large number of types of facing stone with a wide color palette, which are known not only in Ukraine, but also in the world.
V.V. , Yu.V. , S.V. , R.M.
doaj   +1 more source

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