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公开(公告)号:US6143057A
公开(公告)日:2000-11-07
申请号:US298758
申请日:1999-04-23
CPC分类号: B01D53/02 , B01J20/183 , B01J20/186 , B01D2253/108 , B01D2253/1085 , B01D2253/308 , B01D2256/10 , B01D2256/22 , B01D53/0462 , B01D53/047
摘要: Adsorbent composites composed of microparticulate zeolites at least 90% of whose particles have a characteristic particle dimension not greater than about 0.6 micron and a macropore inert binder. The composites are useful for separating strongly adsorbed gas components from gas mixtures. Microparticulate type X zeolites composites are particularly useful for separating nitrogen or carbon dioxide from air.
摘要翻译: 由微粒沸石组成的吸附复合材料,其颗粒的至少90%具有不大于约0.6微米的特征颗粒尺寸和大孔惰性粘合剂。 该复合材料可用于从气体混合物中分离强吸附的气体组分。 微粒型X沸石复合材料特别适用于从空气中分离氮气或二氧化碳。
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公开(公告)号:US07338642B2
公开(公告)日:2008-03-04
申请号:US10880532
申请日:2004-07-01
CPC分类号: F01N11/002 , F01N3/0222 , F01N3/0231 , F01N3/0253 , F01N3/035 , F01N9/002 , F01N13/0093 , F01N13/0097 , F01N2240/16 , F01N2240/20 , F01N2430/08 , F01N2430/085 , F01N2560/08 , F02B3/06 , F02B37/00 , F02B2275/14 , F02M26/05 , F02M26/23 , Y02T10/47
摘要: A main particulate filter having a relatively large volume is arranged in an exhaust passage of an engine, and an auxiliary particulate filter having a relatively small volume is arranged in the exhaust passage upstream of the main particulate filter. The main and auxiliary particulate filters are arranged so that the open downstream ends of the single open end-type exhaust gas passages of the auxiliary particulate filter and the open upstream ends of the open upstream end-type exhaust gas passages of the main particulate filter substantially face each other, and the open downstream ends of the both open end-type exhaust gas passages of the auxiliary particulate filter and the closed upstream ends of the open downstream end-type exhaust gas passages of the main particulate filter substantially face each other. A catalyst having an oxidation function is carried on the auxiliary particulate filter.
摘要翻译: 具有较大体积的主要颗粒过滤器布置在发动机的排气通道中,并且具有相对较小体积的辅助颗粒过滤器布置在主颗粒过滤器上游的排气通道中。 主要和辅助颗粒过滤器布置成使得辅助颗粒过滤器的单个开放式排气通道的开放的下游端和主颗粒过滤器的开放的上游端排气通道的开放的上游端基本上 辅助颗粒过滤器的两个开口端排气通道的开放下游端和主颗粒过滤器的开放的下游端排气通道的封闭的上游端基本上彼此面对。 具有氧化功能的催化剂承载在辅助颗粒过滤器上。
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