Bifurcation behavior and efficient pure hydrogen production for fuel cells using a novel autothermic membrane Circulating fluidized-bed (CFB) reformer: Sequential debottlenecking and the contribution of John Grace

I am pleased to contribute, together with my Ph.D. student Zhongxiang Chen, this paper to the Ind. Eng. Chem. Res. special issue for Professor John Grace of the University of British Columbia in recognition of his many contributions to subjects of interest to readers in this journal. I have known John since the early 1970s (over 30 years now) when we were both studying for our Ph.D.'s in the U.K. (he was in Cambridge, and I was in Edinburgh). Since then, we have always been in close contact. I visited him at McGill and British Columbia Universities, and he visited me at King Saud and Auburn Universities, and we cooperated in the development of novel fluidized-bed reformers (e.g., Adris, A.; Grace, J.; Lim, C.; Elnashaie, S. S. E. H. Fluidized Bed Reaction System for Steam Hydrocarbon Gas Reforming to Produce Hydrogen. U.S. Patent 5,326,550, Jun 1994; Canadian Patent 2,081,170, Dec 2002). This was our first explicit application of the sequential debottlenecking methodology, although John has used the appro...

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