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    • 10. 发明申请
    • GAS CHROMATOGRAPH COLUMN WITH CARBON NANOTUBE-BEARING CHANNEL
    • 气体色谱柱与碳纳米管轴承通道
    • US20110011157A1
    • 2011-01-20
    • US12503902
    • 2009-07-16
    • Bertrand BourlonJoyce WongPaul B. Guieze
    • Bertrand BourlonJoyce WongPaul B. Guieze
    • G01N30/04E21B47/08G03F7/20
    • G01N30/6095B01J20/205B01J20/282B01J2220/54G01N2030/567
    • A carbon nanostructured micro-fabricated gas chromatography column which is particularly well-suited to the surface well-site and/or the downhole analysis of natural gas in oilfield or gasfield applications (but which may also be used in non-oilfield or non-gasfield situations) is described. This micro-fabricated column integrates a micro-structured substrate such as a silicon substrate with carbon nanotubes as an active nanostructured material in a micro-channel. Benefits of the present invention include enhanced separation of alkanes and isomers, particularly below hexane (i.e., below C6), as well as the separation of carbon dioxide, hydrogen sulfide, and water and other substances present in natural gas. The chromatography column of the present invention is in one embodiment a part of an entire gas chromatograph system that in its simplest form also comprises an injector and a detector. Preferably the injector, separation column, and detector are all micro-fabricated on a substrate.
    • 一种碳纳米微结构微气相色谱柱,特别适用于油田或气田应用中天然气的表面井场和/或井下分析(但也可用于非油田或非气田 情况)。 该微制造柱在微通道中将诸如硅衬底的微结构衬底与作为活性纳米结构材料的碳纳米管集成。 本发明的优点包括增加烷烃和异构体的分离,特别是低于己烷(即低于C6),以及分离天然气中存在的二氧化碳,硫化氢和水等物质。 在一个实施方案中,本发明的色谱柱是整个气相色谱系统的一部分,其最简单的形式还包括注射器和检测器。 优选地,注射器,分离柱和检测器都在基底上微制造。