Steam reforming
Steam reforming of hydrocarbon feedstock is an energy–intensive process that requires the input of a large amount of heat.
A classic solution for conducting a steam reforming reaction of hydrocarbon feedstock envisages the use of a tubular reformer with a heat recovery section. The required amount of heat is obtained by combustion of various gases such as fuel gas, tail gas and vent gases from other production stages, as well as part of the feed gas.
Prior to being supplied directly into the reformer, the hydrocarbon feedstock is cleaned from catalyst poisons,such as sulfur compounds, then the purified hydrocarbon feedstock is mixed with steam in the required ratio. After desulfurization, the steam and gas mixture is sent to the Reformer Feed Preheater coil, where it is heated to the required temperature and then is sent to reformer tubes filled with a catalyst, wherein the conversion process takes place to form hydrogen, carbon monoxide and carbon dioxide. Heat input to reformer tubes is arranged by combustion of fuel gas in burners, and the resulting flue gas is used to heat feed and other streams in coils.
This technology has proven itself quite well in many industrial facilities, is time-tested and is in demand for implementation in grassroot production units.
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