2005
DOI: 10.1021/bk-2005-0914.ch025
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Microfibrous Entrapped ZnO-Support Sorbents for High Contacting Efficiency H2S Removal from Reformate Streams in PEMFC Applications

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Cited by 14 publications
(16 citation statements)
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“…The sorbents had a high surface area of 250 m 2 /g and a porosity of 63%. The detailed sorbent preparation procedure was described by Lu et al15 Transition metal doped ZnO/SiO 2 sorbents were prepared by the similar procedure using mixed metal nitrates as oxide precursors. The molar ratio of Zn to dopant metal(s) is 19:1, therefore, the general formula of doped ZnO/SiO 2 sorbents is M 0.05 Zn 0.95 O/SiO 2 , where M is the dopant metal.…”
Section: Methodsmentioning
confidence: 99%
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“…The sorbents had a high surface area of 250 m 2 /g and a porosity of 63%. The detailed sorbent preparation procedure was described by Lu et al15 Transition metal doped ZnO/SiO 2 sorbents were prepared by the similar procedure using mixed metal nitrates as oxide precursors. The molar ratio of Zn to dopant metal(s) is 19:1, therefore, the general formula of doped ZnO/SiO 2 sorbents is M 0.05 Zn 0.95 O/SiO 2 , where M is the dopant metal.…”
Section: Methodsmentioning
confidence: 99%
“…The Center for Microfibrous Materials Manufacturing (CM3) at Auburn University has developed several ZnO based sorbents for gas phase desulfurization at various temperatures. Ni fiber entrapped ZnO/ACP15 prepared by incipient wetness impregnation demonstrated three‐fold longer breakthrough times for H 2 S compared to packed beds of several commercial carbon‐based sorbents with double the bed thickness. However, this sorbent was not regenerable because of the use of activated carbon 15.…”
Section: Introductionmentioning
confidence: 98%
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“…Recently, a new class of microfibrous carriers using microfibers has been invented by Tatarchuk. 15,16 This approach has been extensively applied to develop high-efficiency miniature H 2 generator for fuel cell power supplies. [17][18][19][20] This microfibrous structure provides large void volume, entirely open structure, large surface-to-volume ratio, high permeability, high thermal conductivity and unique form factors.…”
Section: Introductionmentioning
confidence: 99%
“…A new class of composite materials made by wet lay paper‐making/sintering process can incorporate particles as small as 10 μm into a micrometal fiber matrix 7, 11–14. This approach permits high efficiency microprocess and advanced design of microreactor with many beneficial properties that would solve the frustrated problems encountered in conventional approaches, e.g.…”
Section: Introductionmentioning
confidence: 99%