Abstract
Methane is a hydrocarbon compound that can be used for various purposes. Currently, methane is widely used as fuel, and continues to be developed as a synthetic gas material and petrochemical products that have added value, one of which is formaldehyde. This study aimed to study the partial catalytic oxidation reaction of methane to formaldehyde using MoO3/zeolite as a catalyst. Reactant gas stream consisting of pure O2 and CH 4 were contacted with a rate ratio of 1:20, put into Fixed Bed Reactor therein contained 30 grams of catalyst MoO3/zeolite, and the pressure was maintained at 1 atm. The temperature and flow rate of the incoming reactant gas were used as variables. The main product produced was formaldehyde, besides that there were also CH3 OH, CO, CO2, H2O. The results were analyzed using Gas Chromatography, so it was known that the converted methane was 5.18% and the volume fraction of formaldehyde formed was 1.46%.
Highlights
Zeolite is an acid catalyst that is interesting enough to be investigated and studied further for its performance in catalyzing hydrocarbon reactions
Which has done are converting vapor methane into syngas, converting the syngas into methanol and converting methanol into chemicals which are more useful for example, methanol can be oxidized to formaldehyde through commercial catalytic processes
The reactants consist of fuel gas as a source of CH4 and pure O2, with a rate ratio of 20: 1. Inlet gas velocity (GHSV) is set between 2500 to 10000 per hour and the reactor operates at atmospheric pressure
Summary
Zeolite is an acid catalyst that is interesting enough to be investigated and studied further for its performance in catalyzing hydrocarbon reactions. This is due to the nature of zeolite which is generally suitable as a catalyst or as a catalyst support. Zeolites can be used as filters, ion exchangers, absorbent materials and catalysts [1]. This suitability is due to the structure of the zeolite which generally provides effective site cavities for several chemical reactions, at high temperatures the catalyst activity is more effective, Hzeolite has good activity stability [2].
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