JP2005233161A - 排ガスの窒素酸化物除去方法及び排ガスの窒素酸化物除去装置 - Google Patents
排ガスの窒素酸化物除去方法及び排ガスの窒素酸化物除去装置 Download PDFInfo
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- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 title claims abstract description 548
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- 238000000034 method Methods 0.000 title abstract description 22
- 238000001179 sorption measurement Methods 0.000 claims abstract description 68
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- 238000007254 oxidation reaction Methods 0.000 abstract description 17
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 14
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- 229910052757 nitrogen Inorganic materials 0.000 abstract description 7
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- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 5
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- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 5
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- 239000002912 waste gas Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
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- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
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- Exhaust Gas After Treatment (AREA)
- Treating Waste Gases (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
【解決手段】 排ガスの窒素酸化物除去方法を、排ガスG中の窒素酸化物を易吸着性の窒素酸化物又は窒素酸化イオンに改質する第1ステップと、前記易吸着性の窒素酸化イオンを吸着し、又は、前記易吸着性の窒素酸化物を吸着して窒素酸化物イオンにイオン化する第2ステップと、前記吸着手段30の吸着部31に電界Eを形成し、前記窒素酸化物イオンを電気泳動により前記吸着部31内の一部31aに濃縮する第3ステップと、前記第3ステップで濃縮された窒素酸化物イオンを還元する第4ステップを有して構成する。
【選択図】 図1
Description
20 改質手段
20A 酸化触媒
20B〜20E 放電装置(改質手段)
20F 電子ビーム照射装置(改質手段)
21 ハニカム構造体
22b,22c 設置電極
23 高圧電極
29a,29b,29c 噴霧装置
30 吸着手段
31 吸着部(吸着材)
31a 濃縮部
31b 希釈部
31A ペレット状吸着材
31B ガス透過性多孔質吸着材
31C ガス透過性は良くないがイオン伝導性に優れた吸着材
33 吸着セル
40 濃縮手段
41 正電極
42 負電極
43 排ガス通路
50 還元手段
53 還元セル
71 正電極
72 負電極
B 電子ビーム
E 電界
G 排ガス
Claims (6)
- 排ガス中の窒素酸化物を易吸着性の窒素酸化物又は窒素酸化イオンに改質する第1ステップと、
前記易吸着性の窒素酸化イオンを吸着し、又は、前記易吸着性の窒素酸化物を吸着して窒素酸化物イオンにイオン化する第2ステップと、
前記吸着手段の吸着部に電界を形成し、前記窒素酸化物イオンを電気泳動により前記吸着部内の一部に濃縮する第3ステップと、
前記第3ステップで濃縮された窒素酸化物イオンを還元する第4ステップとを有してなることを特徴とする排ガスの窒素酸化物除去方法。 - 排ガス中の窒素酸化物を易吸着性の窒素酸化物又は窒素酸化イオンに改質する改質手段と、
前記易吸着性の窒素酸化イオンを吸着し、又は、前記易吸着性の窒素酸化物を吸着して窒素酸化物イオンにイオン化する吸着手段と、
前記吸着手段の吸着部に電界を形成し、窒素酸化物イオンを電気泳動により吸着部内の一部に濃縮する濃縮手段と、
前記濃縮手段により濃縮された窒素酸化物イオンを還元する還元手段とからなることを特徴とする排ガスの窒素酸化物除去装置。 - 前記改質手段が放電プラズマを発生させる放電プラズマ形成用電極を有して構成され、該放電プラズマ形成用電極が前記吸着手段の吸着部の電界形成用電極を兼ねることを特徴とする請求項2記載の排ガスの窒素酸化物除去装置。
- 前記改質手段が水又は水溶液の噴霧手段を備えたことを特徴とする請求項2又は3記載の排ガスの窒素酸化物除去装置。
- 前記改質手段がガス冷却手段を備えたことを特徴とする請求項2〜4のいずれか1項に記載の排ガスの窒素酸化物除去装置。
- 前記吸着手段の前記吸着部を冷却する吸着部冷却手段を備えたことを特徴とする請求項2〜5のいずれか1項に記載の排ガスの窒素酸化物除去装置。
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JP2004046693A JP4461273B2 (ja) | 2004-02-23 | 2004-02-23 | 排ガスの窒素酸化物除去方法及び排ガスの窒素酸化物除去装置 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009119401A (ja) * | 2007-11-16 | 2009-06-04 | Japan Atomic Energy Agency | 汚染ガスの浄化方法及び浄化装置 |
WO2011155375A1 (ja) * | 2010-06-10 | 2011-12-15 | 三菱電機株式会社 | 回転電機の循環風路内を流れる冷却空気中に発生するオゾン及び硝酸の濃度を低減する方法、並びに装置 |
DE102012201336A1 (de) | 2011-02-01 | 2012-08-02 | Denso Corporation | Abgasreinigungsvorrichtung für eine brennkraftmaschine |
DE102012201343A1 (de) | 2011-02-01 | 2012-08-02 | Denso Corporation | Abgasemissionsreinigungsvorrichtung für eine brennkraftmaschine |
KR20230005504A (ko) * | 2021-07-01 | 2023-01-10 | 재단법인 포항산업과학연구원 | 배가스로부터 질소산화물을 제거하는 장치 및 방법 |
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CN103485864B (zh) * | 2013-10-09 | 2016-03-02 | 北京上派环境科技有限公司 | 一种介电电泳汽车尾气除尘器 |
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2004
- 2004-02-23 JP JP2004046693A patent/JP4461273B2/ja not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009119401A (ja) * | 2007-11-16 | 2009-06-04 | Japan Atomic Energy Agency | 汚染ガスの浄化方法及び浄化装置 |
WO2011155375A1 (ja) * | 2010-06-10 | 2011-12-15 | 三菱電機株式会社 | 回転電機の循環風路内を流れる冷却空気中に発生するオゾン及び硝酸の濃度を低減する方法、並びに装置 |
CN102939702A (zh) * | 2010-06-10 | 2013-02-20 | 三菱电机株式会社 | 使在旋转电机的循环风路内流动的冷却空气中所产生的臭氧及硝酸的浓度降低的方法以及装置 |
US9093879B2 (en) | 2010-06-10 | 2015-07-28 | Mitsubishi Electric Corporation | Method and device for reducing concentrations of ozone and nitric acid generated in cooling air flowing through circulating airflow paths in rotary electric machines |
DE102012201336A1 (de) | 2011-02-01 | 2012-08-02 | Denso Corporation | Abgasreinigungsvorrichtung für eine brennkraftmaschine |
DE102012201343A1 (de) | 2011-02-01 | 2012-08-02 | Denso Corporation | Abgasemissionsreinigungsvorrichtung für eine brennkraftmaschine |
KR20230005504A (ko) * | 2021-07-01 | 2023-01-10 | 재단법인 포항산업과학연구원 | 배가스로부터 질소산화물을 제거하는 장치 및 방법 |
KR102608460B1 (ko) | 2021-07-01 | 2023-12-01 | 재단법인 포항산업과학연구원 | 배가스로부터 질소산화물을 제거하는 장치 및 방법 |
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