Top temperature control of coking fractionation tower
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The top temperature of the coking fractionation tower is controlled at 132°C; as a result, the dry point of the gasoline is 214°C, which is a bit high. What temperature do you set for control?
If naphtha and diesel are mixed later, there’s no problem, as it can be refractionated
More or less. Personally, I feel that as long as the top-cycle volume can be controlled to ensure product quality, that’s fine; after all, the equipment exists to serve the products. Sometimes, as long as the product quality can be maintained, there is no need to focus too much on data, since many design parameters change due to various other factors.