Sentences with phrase «includes desulfurization»
Hydrotreating includes desulfurization, removal of substances (e.g., nitrogen compounds) that deactivate catalysts, conversion of olefins to paraffins to reduce gum formation in gasoline, and other processes to upgrade the quality of the fractions.
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Several steel firms, including a unit of Hebei Iron and Steel Group, China's biggest steel producer, had failed for a time to install proper desulfurization equipment, but had rectified the problems.