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Fouling Factors for Coke Gas

Fouling Factors for Coke Gas

Fouling Factors for Coke Gas

(OP)
Does anyone have any fouling factors for shell and tube heat exchangers with the following gas composition:

20% H2, 20% H2O, 50% CO?

I looked up a value for steam and one for hydrogen and the Rs are radically different. For hydrogen, I got about 568 W/m2-K. For steam, I got 11,111 W/m2-K. Of course, there is nothing on CO and what I really need is a fouling factor for the combined gas stream.

(http://www.engineeringpage.com/technology/thermal/fouling_factors.html)

I have a few thoughts, i.e., take the worst since it is a spec for the vendor, but that seems lazy to me.

Any ideas?

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