In addition to this the ratio of CO/CO 2 has been reduced from 2.01 to 1.32. Compared to the unpromoted catalyst (Blank-VPO), the Cu-IL-promoted catalyst, i.e., –-VPO remarkably increased the MA selectivity (11%) and n-butane conversion (9.2%) and minimized the CO x selectivity (11%). We observed significant improvement in the MA selectivity meanwhile, the CO x (CO and CO 2) selectivity was decreased. In this research, we developed a VPO catalyst with the assistance of copper-based ionic liquids (Cu-ILs), including –, –, and –. Presently, heterogeneous vanadium phosphorus oxide catalysts (VPOs) are considered potential candidates for n-butane selective oxidation toward maleic anhydride (MA). The conversion of lighter alkanes, especially n-butane, into value-added chemicals can be beneficial for green economies and green environments. Several brands of electrical contact cleaner are available. It can dislodge foreign elements and clean components. It is useful for cleaning electric components that have food, grease, or oils on them. Different industrial processes, especially oil refinery processes, release large amounts of low-carbon alkanes as gaseous byproducts directly into the air and pollute clean environments, which is one of the major reasons for sudden climate changes, ocean acidification, loss of biodiversity, and rising sea levels. Electrical contact cleaner is simply compressed air with a cleaning agent that evaporates, such as isopropyl alcohol. Worldwide, researchers are putting their efforts into controlling carbon emissions and have set the aim to achieve levels of overall carbon neutrality. Recently, global warming is proving to be an increasing challenge for the sustainable human survival on planet earth.
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