JP2006526427A - 兵器物質の金属酸化物汚染除去 - Google Patents
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Abstract
【解決手段】この装置(10)は、好ましくはバルブ型の送出ノズルアセンブリ(16)を備えた加圧可能な金属容器(12)を備え、ノズルアセンブリ(16)を操作すると、金属酸化物および/または金属水酸化物粒子を生成するようになされている。これらの粒子は汚染物質を破壊または化学吸着するように、種類および粒子サイズが選択される。好ましい汚染除去剤は、平均サイズがおよそ50nm〜10μmである塊状のMgOである。ノズルアセンブリ(16)が操作された時に、これらの粒子が急速かつ完全に一掃されるようにするため、容器(12)内で、粒子は気体または液体噴射剤と混合される。
Description
本明細書は2002年5月14日出願の米国特許出願明細書第10/146376号の部分継続明細書であり、これに記載されているので本願に引用して本明細書の内容とする。
本発明では、各種の従来からの噴射剤を用いることができる。上述のように、コストと入手の容易さからN2が好ましいことが多いが、実質的には、He、Ar、Kr、Xe、Rnおよびこれらの混合物などの不活性ガスまたは希ガス、あるいは、炭酸ガス、空気、炭化水素ガスなどの、加圧可能な水性または非水性の液体や気体からなる任意の噴射剤を使用することができる。また、噴射剤と共に沈殿防止媒体が用いられることが多いが、代表的な沈殿防止媒体は、炭化水素、フッ化炭化水素、3M社のHFE−7100、7200、および7500(メチルフルオロイソブチルエーテルとメチルノナフルオロブチルエーテルの市販用混合物)などのハイドロフルオロエーテルや、その他の高蒸気圧、低沸点媒体である。本発明の汚染除去装置内の圧力レベルは用途に応じて可変であり、圧力レベルは通常、およそ5〜600psiとし、好ましくはおよそ175〜225psiとする。
12 容器
14 出口ネック
16 バルブアセンブリ
18 サイフォン管
Claims (27)
- 地域汚染除去用装置であって、容器と、該容器内に収容され、任意量のMgOおよびTiO2粒子と噴射剤とを含んで、MgO対TiO2の重量比がおよそ99:1から1:99の間である加圧されたスプレー可能混合物と、前記容器に接続され、選択的に動作して前記粒子のスプレーを生成するスプレーノズルとを備える装置。
- 前記MgO対TiO2の重量比がおよそ80:20から20:80の間である請求項1の装置。
- 前記MgO対TiO2の重量比がおよそ70:30から30:70の間である請求項2の装置。
- 前記容器が金属製の加圧可能なボトルを備える請求項1の装置。
- 前記噴射剤が前記粒子の沈殿防止剤を含む請求項1の装置。
- 前記混合物が前記容器内でおよそ29〜175psiのレベルに加圧される、請求項の1の装置。
- 前記粒子が塊状として存在し、平均直径がおよそ0.5nm〜10μmである請求項の1の装置。
- 前記噴射剤が、N2、希ガス、二酸化炭素、空気、揮発性炭化水素、硫化炭素、およびこれらの混合物を含む群から選ばれる請求項の1の装置。
- 地域汚染除去用装置であって、容器と、該容器内に収容され、任意量のMgOおよびTiO2粒子と噴射剤とを含んで、MgO対TiO2重量比がおよそ99:1から1:99の間である加圧されたスプレー可能混合物と、前記容器に接続し、選択的に動作し前記粒子のスプレーを生成するスプレーノズルと、前記容器と前記ノズルとの間に圧力勾配を作り出し前記容器から前記ノズル方向に前記混合物が流れるようにする手段とを備えることを特徴とする装置。
- 前記圧力勾配生成手段が前記容器内の圧力を増加させるように動作可能である請求項9の装置。
- 前記MgO対TiO2の重量比がおよそ80:20から20:80の間である請求項9の装置。
- 前記MgO対TiO2の重量比がおよそ70:30から30:70の間である請求項11の装置。
- 容器内に配置するようになされた加圧混合物であって、該混合物は、MgO対TiO2の重量比がおよそ99:1から1:99の間である任意量のMgOおよびTiO2粒子と噴射剤を含有する混合物。
- 前記MgO対TiO2の重量比がおよそ80:20から20:80の間である請求項13の混合物。
- 前記MgO対TiO2の重量比がおよそ70:30から30:70の間である請求項14の混合物。
- 前記噴射剤が前記金属酸化粒子の沈殿防止剤を含む請求項13の混合物。
- 前記混合物がおよそ185〜225psiのレベルに加圧される請求項の13の混合物。
- 前記粒子が塊状として存在し、平均直径がおよそ0.5nm〜10μmである請求項13の混合物。
- 前記噴射剤が、N2、希ガス、二酸化炭素、空気、揮発性炭化水素、硫化炭素、およびこれらの混合物を含む群から選ばれる請求項の13の混合物。
- 有害薬剤または有害物質に汚染された地域を少なくとも部分的に汚染除去する方法であって、請求項1の汚染除去装置を提供し、前記スプレーノズルを操作し、ノズルから金属酸化物のスプレーを生成することを有する方法。
- 有害薬剤または有害物質に汚染された地域を少なくとも部分的に汚染除去する方法であって、前記地域の近傍に請求項13の混合物をスプレーすることを有する方法。
- 有害薬剤または有害物質に汚染された地域を少なくとも部分的に汚染除去する方法であって、容器と、該容器内に収容され、MgO対TiO2の重量比がおよそ99:1から1:99の間である任意量のMgOおよびTiO2粒子を含むスプレー用混合物と、前記容器に接続され、出口を有するスプレーノズルで、選択的に動作し前記ノズル出口から前記粒子のスプレーを生成するスプレーノズルとを提供することと、前記容器内部と前記ノズル出口との間に圧力勾配を作り出し、前記容器から前記ノズル方向へ前記混合物が流れるようにすることと、前記スプレーノズルを操作して該ノズルから金属酸化物のスプレーを発生させることを有する方法。
- 前記圧力勾配を作り出すステップが、前記容器内の圧力を増加することを有する請求項24の方法。
- 有害薬剤または有害物質に汚染された地域を少なくとも部分的に汚染除去する方法であって、前記有害薬剤または有害物質を、MgO対TiO2重量比がおよそ99:1から1:99の間である任意量のMgOおよびTiO2粒子に接触させることを有する方法。
- 前記MgO対TiO2の重量比がおよそ80:20から20:80の間である請求項24の方法。
- 前記MgO対TiO2の重量比がおよそ70:30から30:70の間である請求項25の方法。
- 前記粒子が塊状として存在し、平均直径がおよそ0.5nm〜10μmである請求項24の方法。
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Application Number | Priority Date | Filing Date | Title |
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US10/452,650 US7279129B2 (en) | 2002-05-14 | 2003-06-02 | Method and apparatus for control of chemical or biological warfare agents |
PCT/US2003/040108 WO2004108172A1 (en) | 2003-06-02 | 2003-12-16 | Metal oxide decontamination of warfare agents |
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JP2006526427A true JP2006526427A (ja) | 2006-11-24 |
JP4589227B2 JP4589227B2 (ja) | 2010-12-01 |
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JP2005500651A Expired - Fee Related JP4589227B2 (ja) | 2003-06-02 | 2003-12-16 | 兵器物質の金属酸化物汚染除去 |
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US (1) | US7279129B2 (ja) |
JP (1) | JP4589227B2 (ja) |
AU (1) | AU2003303957A1 (ja) |
IL (1) | IL172342A (ja) |
WO (1) | WO2004108172A1 (ja) |
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US6863825B2 (en) | 2003-01-29 | 2005-03-08 | Union Oil Company Of California | Process for removing arsenic from aqueous streams |
US7383761B2 (en) * | 2004-12-08 | 2008-06-10 | Armordynamics, Inc. | Methods and apparatus for providing ballistic protection |
WO2007051145A2 (en) * | 2005-10-26 | 2007-05-03 | Nanoscale Materials, Inc. | Treatment of odors using nanocrystalline metal oxides |
WO2008002333A2 (en) * | 2006-01-12 | 2008-01-03 | University Of Arkansas Technology Development Foundation | Tio2 nanostructures, membranes and films, and methods of making same |
US8317931B1 (en) * | 2006-07-10 | 2012-11-27 | The United States Of America As Represented By The Secretary Of The Army | Nanotubular titania for decontamination of chemical warfare agents and toxic industial chemicals |
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- 2003-12-16 JP JP2005500651A patent/JP4589227B2/ja not_active Expired - Fee Related
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JP4589227B2 (ja) | 2010-12-01 |
AU2003303957A1 (en) | 2005-01-04 |
IL172342A (en) | 2010-04-15 |
US20050158207A1 (en) | 2005-07-21 |
US7279129B2 (en) | 2007-10-09 |
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