Integrated fuel processor for decentralized hydrogen production

An integrated fuel processing unit (20), comprising: a) a housing (54); b) a steam / fuel feed mix supply (34) in the housing; c) a combustor supply (40) in the housing; and d) a steam reformer / combustor in the housing, wherein the steam reformer / combustor: e) first and second axially extending, concentric annular passages in heat transfer relation with each other, wherein the first passage with the supply Mix supply (34) for receiving the feed mixture is connected at a first end of the passage in the first passage, the second passage with the combustor supply (40) for receiving the combustor at a location adjacent an opposite end of the first passage, f) first coated with a catalyst folded fin (46) which is disposed in the first passage to the passage line of the feed mixture and the catalytic inducing a desired reaction of the feed mixture, g) a second coated with a catalyst folded fin (50) in the second passage for passing line ...