发明名称 |
Selective filtration and concentration of toxic nerve agents |
摘要 |
Methods of increasing the relative concentration of a target molecule in a gas stream, so that it can be more easily detected by a semiconducting metal oxide based sensor. A gas stream is passed through an adsorbent, the stream containing molecules of the target molecule in a mixture containing molecules of at least one non-target molecule. Both the target and non-target molecules are adsorbed on the adsorbent. Another gas stream containing molecules of a chemical displacer is passed through the adsorbent, the molecules of the chemical displacer adsorbing on the adsorbent to selectively displace the target molecules from the adsorbent while leaving the non-target molecules adsorbed. The chemical displacement causes the displaced target molecules to enter the gas stream. The gas stream can then be passed through a semiconducting metal oxide based sensor to detect the target molecules.
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申请公布号 |
US6610125(B2) |
申请公布日期 |
2003.08.26 |
申请号 |
US20010001664 |
申请日期 |
2001.10.23 |
申请人 |
UNIVERSITY OF MAINE SYSTEM BOARD OF TRUSTEES |
发明人 |
TRIPP CARL P.;KANAN SOFIAN M. |
分类号 |
G01N27/12;B01D53/04;B01J20/10;B01J20/283;G01N1/22;G01N1/34;G01N1/40;G01N30/08;G01N30/26;G01N30/88;(IPC1-7):B01D53/04 |
主分类号 |
G01N27/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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