|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||048/197.R; 048/128; 048/062.R; 048/085; 048/198.3; 422/190; 422/211; 429/019; 429/017; 429/020|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 1 인용 특허 : 20|
An apparatus removes carbon monoxide (CO) from a hydrogen-rich gas stream in a hydrogen fuel cell system. CO fouls costly catalytic particles in the membrane electrode assemblies of proton exchange membrane (PEM) fuel cells. A vessel houses a carbon monoxide adsorbent. The vessel may be a rotating pressure swing adsorber. A water gas shift reactor is upstream of the rotating pressure swing adsorber. The water gas shift reactor may include a second adsorbent adapted to adsorb carbon monoxide at low temperatures and to desorb carbon monoxide at high temper...
What is claimed is: 1. A method for improving the quality of a hydrogen-containing gas stream comprising: producing a first gas stream having a hydrogen content and a carbon monoxide content in a first reactor; passing said first gas stream through a shift reactor to produce an effluent stream, said shift reactor including a first reaction region having a water gas shift catalyst and a second reaction region having a first carbon monoxide adsorbent; adsorbing said carbon monoxide content from said first gas stream in said second reaction region when sai...