A5024880758- Membrane Separation and Gas Transport
- Mesoporous Materials and Catalysis
- Chemical Looping and Thermochemical Processes
- Catalysts for Methane Reforming
- Catalytic Processes in Materials Science
- Graphene research and applications
- Carbon Dioxide Capture Technologies
- Membrane Separation Technologies
- Adsorption and Cooling Systems
- Catalysis and Oxidation Reactions
- Graphene and Nanomaterials Applications
- Ammonia Synthesis and Nitrogen Reduction
- Analytical Chemistry and Sensors
- Zeolite Catalysis and Synthesis
- Gas Sensing Nanomaterials and Sensors
- Nanopore and Nanochannel Transport Studies
- Extraction and Separation Processes
- Muon and positron interactions and applications
- Covalent Organic Framework Applications
Pontificia Universidad Católica de Valparaíso
2014-2025
The University of Queensland
2013-2014
Fimlab (Finland)
2014
<title>Abstract</title> This work investigates the effect of calcination temperature on sol-gel structural properties surfactant (hexyl trimethyl ammonium bromide (HTAB)) derived cobalt silica xerogels. Experimental results revealed that no significant changes were detected structure and state beyond 400 °C for samples with low surfactant/Co loads (<italic>x</italic>≤1). Pore Co<sub>3</sub>O<sub>4</sub> phase showed almost similar values from to 600 °C. In contrast, incorporation an excess...
The functionality or oxidation state of cobalt within a silica matrix can be tailored through the use cationic surfactants and their halide counter ions during sol-gel synthesis. Simply by adding surfactant we could significantly increase amount existing as Co3O4 from 44% to 77%, without varying precursor concentration. However, once ratio exceeded 1, further addition resulted in an inhibitory mechanism whereby altered pyrolysis decreased production. These findings have significant...
The health risks associated with the presence of heavy metals in drinking water can be severe. To address this issue, membrane separation technology is one consolidated alternatives. Inorganic, porous membranes were found applications where low energy consumption highly desirable. selectivity these attained by functionalisation. Graphene oxide functionalised promising for removing metal ions. This work summarises, discusses and presents relationship between adsorption overall process...
The size or alkyl chain length of cationic surfactants can be used to tailor both the pore morphology and functionality oxidation state cobalt in silica materials.