How to reduce the sulfur content in catalytic gasoline
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How to reduce the sulfur content in catalytic gasoline; currently, the sulfur level in catalytic diesel exceeds the limits
Currently, hydrodesulfurization is the most effective method for reducing sulfur content
Direct hydrogenation of catalytic gasoline results in a loss of octane rating; it seems that selective hydrogenation can avoid this
Most selective hydrogenations also affect octane number, especially olefin saturation.
For new installations, processes such as MIP, FDFCC, or similar can be used, resulting in a relatively low amount of sulfur in the gasoline. If a catalytic unit already exists, then pre-hydrogenation of the feedstock or post-hydrogenation of the gasoline must be considered. There are few methods for controlling gasoline sulfur using the catalytic device itself, and they are unreasonable.