JP2005230619A5 - - Google Patents

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JP2005230619A5
JP2005230619A5 JP2004040163A JP2004040163A JP2005230619A5 JP 2005230619 A5 JP2005230619 A5 JP 2005230619A5 JP 2004040163 A JP2004040163 A JP 2004040163A JP 2004040163 A JP2004040163 A JP 2004040163A JP 2005230619 A5 JP2005230619 A5 JP 2005230619A5
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solute
nitrogen oxides
regenerant
nitrogen oxide
supply pipe
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JP2005230619A (en
JP4416534B2 (en
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気体中に含まれる窒素酸化物を除去する方法であって、
窒素酸化物を吸着して除去する固体吸着剤を含む窒素酸化物吸着手段に、前記気体を供給することにより前記気体中に含まれる窒素酸化物を除去する除去工程と、
前記除去工程によって低下した前記窒素酸化物吸着手段の前記窒素酸化物の除去機能を、塩基性物質または還元性物質からなる溶質を溶解するための攪拌手段を備える再生剤供給管から再生剤を前記固体吸着剤に供給することによって前記固体吸着剤が吸着した窒素酸化物を除去して再生する再生工程とを含み、
前記再生剤が、前記溶質を溶媒に溶解することにより作液されたものであることを特徴とする窒素酸化物の除去方法。 A method for removing nitrogen oxides contained in a gas,
A removal step of removing nitrogen oxides contained in the gas by supplying the gas to a nitrogen oxide adsorbing means including a solid adsorbent that adsorbs and removes nitrogen oxides;
The nitrogen oxide removal function of the nitrogen oxide adsorbing means lowered by the removing step is the regenerant supplied from a regenerant supply pipe having a stirring means for dissolving a solute composed of a basic substance or a reducing substance. A regeneration step of removing and regenerating nitrogen oxide adsorbed by the solid adsorbent by supplying to the solid adsorbent,
Method for removing nitrogen oxides, wherein the regenerant, the solute is those Sakueki by dissolving in a solvent. 前記再生剤供給管が、前記攪拌手段よりも上流側に前記溶質を投入するための溶質投入手段を有するものであることを特徴とする請求項１に記載の窒素酸化物の除去方法。 2. The method for removing nitrogen oxides according to claim 1 , wherein the regenerant supply pipe has a solute charging unit for charging the solute upstream of the stirring unit. 前記再生剤供給管が、前記溶質投入手段よりも上流側に溶質濃度を測定する濃度測定手段を有するものであることを特徴とする請求項１に記載の窒素酸化物の除去方法。 2. The method for removing nitrogen oxides according to claim 1 , wherein the regenerant supply pipe has concentration measuring means for measuring a solute concentration upstream of the solute charging means. 前記気体が、道路トンネル内、地下駐車場内、都市内幹線道路近傍のいずれかの大気が採取されたものであることを特徴とする請求項１から請求項３のいずれかに記載の窒素酸化物の除去方法。 The nitrogen oxide according to any one of claims 1 to 3 , wherein the gas is collected from any air in a road tunnel, underground parking lot, or in the vicinity of an urban trunk road. Removal method. 前記固体吸着剤が、炭素系材料であることを特徴とする請求項１から請求項４のいずれかに記載の窒素酸化物の除去方法。 The method for removing nitrogen oxides according to any one of claims 1 to 4 , wherein the solid adsorbent is a carbon-based material. 前記塩基性物質が、アルカリ金属の水酸化物またはアルカリ土類金属の水酸化物であることを特徴とする請求項１から請求項５のいずれかに記載の窒素酸化物の除去方法。 Method for removing the basic substance, nitrogen oxides according to any one of claims 1 to 5, characterized in that the hydroxides or alkaline earth metal of the alkali metal. 前記還元性物質が、亜硫酸塩であることを特徴とする請求項１から請求項５のいずれかに記載の窒素酸化物の除去方法。 The method for removing nitrogen oxides according to any one of claims 1 to 5 , wherein the reducing substance is sulfite. 気体中に含まれる窒素酸化物を除去する装置であって、
窒素酸化物を吸着して除去する固体吸着剤を含む窒素酸化物吸着手段と、
塩基性物質または還元性物質からなる溶質を溶解するための攪拌手段を備え、前記窒素酸化物吸着手段の窒素酸化物の除去機能が低下した場合に、再生剤供給管から再生剤を前記固体吸着剤に供給する再生剤供給手段とを備え、
前記再生剤が、再生剤供給管内で前記溶質を溶媒に溶解することにより作液され、
前記固体吸着剤に吸着された窒素酸化物が前記再生剤によって除去されることにより、低下した前記除去機能が再生されることを特徴とする窒素酸化物の除去装置。 An apparatus for removing nitrogen oxides contained in a gas,
Nitrogen oxide adsorption means including a solid adsorbent that adsorbs and removes nitrogen oxides;
A stirrer for dissolving a solute composed of a basic substance or a reducing substance is provided, and when the nitrogen oxide removing function of the nitrogen oxide adsorbing means is lowered, the regenerant is adsorbed from the regenerant supply pipe. A regenerant supply means for supplying to the agent,
The regenerant is Sakueki by dissolving the solute in solvent regenerant supply pipe,
An apparatus for removing nitrogen oxides, wherein the reduced removal function is regenerated by removing nitrogen oxides adsorbed on the solid adsorbent with the regenerant. 前記再生剤供給管が、前記攪拌手段よりも上流側に前記溶質を投入するための溶質投入手段を有するものであることを特徴とする請求項８に記載の窒素酸化物の除去装置。 9. The nitrogen oxide removing apparatus according to claim 8 , wherein the regenerant supply pipe has a solute charging unit for charging the solute upstream of the stirring unit. 前記再生剤供給管が、前記溶質投入手段よりも上流側に溶質濃度を測定する濃度測定手段を有するものであることを特徴とする請求項８または請求項９に記載の窒素酸化物の除去装置。 10. The nitrogen oxide removing apparatus according to claim 8, wherein the regenerant supply pipe has a concentration measuring unit that measures a solute concentration upstream of the solute charging unit. .
JP2004040163A 2004-02-17 2004-02-17 Nitrogen oxide removing method and nitrogen oxide removing apparatus Expired - Lifetime JP4416534B2 (en)

Priority Applications (1)

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JP2004040163A JP4416534B2 (en) 2004-02-17 2004-02-17 Nitrogen oxide removing method and nitrogen oxide removing apparatus

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JP2004040163A JP4416534B2 (en) 2004-02-17 2004-02-17 Nitrogen oxide removing method and nitrogen oxide removing apparatus

Publications (3)

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JP2005230619A JP2005230619A (en) 2005-09-02
JP2005230619A5 true JP2005230619A5 (en) 2007-02-08
JP4416534B2 JP4416534B2 (en) 2010-02-17

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