JPWO2006001283A1 - 脱硝触媒の試験方法 - Google Patents
脱硝触媒の試験方法 Download PDFInfo
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- JPWO2006001283A1 JPWO2006001283A1 JP2006528547A JP2006528547A JPWO2006001283A1 JP WO2006001283 A1 JPWO2006001283 A1 JP WO2006001283A1 JP 2006528547 A JP2006528547 A JP 2006528547A JP 2006528547 A JP2006528547 A JP 2006528547A JP WO2006001283 A1 JPWO2006001283 A1 JP WO2006001283A1
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- 239000003054 catalyst Substances 0.000 title claims abstract description 123
- 238000010998 test method Methods 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 63
- 239000007789 gas Substances 0.000 claims abstract description 52
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003546 flue gas Substances 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 11
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 238000011156 evaluation Methods 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 239000012495 reaction gas Substances 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/10—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using catalysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/173845—Amine and quaternary ammonium
- Y10T436/175383—Ammonia
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/177692—Oxides of nitrogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/177692—Oxides of nitrogen
- Y10T436/178459—Only nitrogen dioxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T436/00—Chemistry: analytical and immunological testing
- Y10T436/17—Nitrogen containing
- Y10T436/177692—Oxides of nitrogen
- Y10T436/179228—Both nitrogen oxide and dioxide
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Immunology (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
Description
実際の排煙脱硝装置で50,000時間使用した脱硝触媒の長手方向の各部位(入口から20mmの部位から850mmの部位)の触媒をサンプリングし、各触媒について、TiO2及び表面に付着した劣化物質であるCaO、SO3の表面濃度を測定した。
実際の排煙脱硝装置で使用した脱硝触媒からガスの流れ方向に対して入口側から600mm切り出した脱硝触媒を性能試験装置に設置し、モル比(入口モル比=入口NH3/入口NOX)を0.6、0.8、1.0、1.2とし、温度を360℃とし、流体の流入流速を6m/sとして100mm刻みにそれぞれの脱硝率ηを測定した。その結果を表1及び図2に示す。
全体の大きさが600mm×6mm×6mm、ハニカム径が6mm(7mmピッチ)であるハニカム触媒を用いて、温度条件を350℃とし、流体の流入速度Uinを4、6、及び10m/sとし、シミュレーション(数値解析手法)を行った。
以上の結果より、ハニカムタイプの脱硝触媒の乱流域は、下記式で表すことができる。
本発明方法を実施する際の脱硝試験は特に限定されず、従来から知られている方法を適宜採用するができる。
ここで、ガスの組成や流入流速は実機と同一にするのが好ましいが、流入流速を実機と異なる条件としても具体的には後述するように、流入流速と反応NOx量との関係を考慮すれば実機の触媒性能を把握することができる。
新品のハニカムタイプの脱硝触媒で、長さを100mmから100mm刻みで500mmまで変化させて、ハニカム内部の流速を6m/s、SV値(100mmの試験片の場合)を59600m3N/m3h、AV値を139.7m3N/m2h、反応ガス温度360℃とし、モル比を1.0に定めることでそれぞれにおけるNH3とNOxバランスを等しくして、それぞれの脱硝率を測定した。この結果を図5に示す。
この結果より、300mm〜400mmの間の乱流持続距離を過ぎた辺りから脱硝性能が低下することがわかった。
使用済みの脱硝触媒(元の長さ770mm)から、600mmの試験片を切り出して脱硝試験を行い(第1の脱硝試験)、次いで、これを300mmに切って同様な脱硝試験を行った。
新品の脱硝触媒から、500mmの試験片を切り出して脱硝試験を行い(第1の脱硝試験)、次いで、これを300mmに切って同様な脱硝試験を行った。
この結果を表3及び図8に示す。この結果より、図8に示すように、300mmの位置及び500mmの位置での反応NOx濃度とNH3濃度とを外挿して770mm及び800mmの位置でのそれぞれの濃度を求め、これから脱硝率を求めることにより、770mmの長さ及び800mmの長さの脱硝触媒の脱硝率を求めた。
300mm及び500mmの試験片を用い、モル比(入口モル比=入口NH3/入口NOX)を0.6、0.8、1.0、1.2とし、温度を360℃として、流体の流入流速を6m/s及び9m/sに変化させて、それぞれの反応NOx量を測定した。
Claims (7)
- 排煙脱硝装置に用いられ且つ入口側から出口側へ亘って排ガスを送通するガス流路を有すると共に当該ガス流路の側壁で脱硝を行うハニカムタイプの脱硝触媒の試験方法であって、
前記脱硝触媒の入口側から前記ガス流路内に送通された被処理ガスの流れが乱れた乱流域を全て含むと共に当該乱流が整流されて層流となった層流域の少なくとも一部を含む長さの試験片を用意して当該試験片について第1の脱硝試験を実施し、次いで、前記乱流域のみの長さを切り出して第2の脱硝試験を行い、これらの試験結果から前記乱流域の触媒性能を把握すると共に前記層流域の触媒性能を把握することにより、前記脱硝触媒の触媒性能を把握することを特徴とする脱硝触媒の試験方法。 - 請求項1又は2において、前記脱硝試験が、実際の装置で処理するガスの組成を模したガスを実際の装置での流入流速で導入して触媒性能を判断するものであること特徴とする脱硝触媒の試験方法。
- 請求項1又は2において、前記脱硝試験が、実際の装置で処理するガスの組成を模したガスを実際の装置とは異なる流入流速で導入し、流入流速と反応NOxとの関係を考慮して触媒性能を判断するものであること特徴とする脱硝触媒の試験方法。
- 請求項1〜4の何れかにおいて、前記脱硝試験が、各試験片の入口側及び出口側のNOx濃度を測定すると共に各試験片の入口側及び出口側のNH3濃度を測定し、入口モル比=入口NH3/入口NOxを考慮して脱硝率ηを測定するものであること特徴とする脱硝触媒の試験方法。
- 請求項5において、前記脱硝率ηが、NH3濃度に基づいて測定されることを特徴とする脱硝触媒の試験方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004190106 | 2004-06-28 | ||
JP2004190106 | 2004-06-28 | ||
PCT/JP2005/011381 WO2006001283A1 (ja) | 2004-06-28 | 2005-06-21 | 脱硝触媒の試験方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2006001283A1 true JPWO2006001283A1 (ja) | 2008-04-17 |
JP4425275B2 JP4425275B2 (ja) | 2010-03-03 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006528547A Active JP4425275B2 (ja) | 2004-06-28 | 2005-06-21 | 脱硝触媒の試験方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7759122B2 (ja) |
EP (1) | EP1762844B1 (ja) |
JP (1) | JP4425275B2 (ja) |
KR (1) | KR100801237B1 (ja) |
CN (1) | CN1977162B (ja) |
CA (1) | CA2571044C (ja) |
DK (1) | DK1762844T3 (ja) |
PL (1) | PL1762844T3 (ja) |
TW (1) | TWI277439B (ja) |
WO (1) | WO2006001283A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2511583C (en) * | 2002-12-27 | 2012-04-17 | The Chugoku Electric Power Co., Inc. | Method for producing honeycomb catalyst, method for producing denitration catalyst of denitration device, and method for producing exhaust gas denitration device |
CN101109742B (zh) * | 2007-08-24 | 2011-05-18 | 中电投远达环保工程有限公司 | 分仓式脱硝催化剂测试分析方法 |
JP6215050B2 (ja) * | 2013-12-27 | 2017-10-18 | 株式会社堀場製作所 | 触媒評価装置 |
CN103969315A (zh) * | 2014-05-09 | 2014-08-06 | 南通亚泰船舶工程有限公司 | 脱硝催化剂检测装置及其方法 |
CN104297008A (zh) * | 2014-10-11 | 2015-01-21 | 苏州华瑞能泰发电技术有限公司 | 基于现场性能测试的脱硝装置潜能评估与预测方法 |
CN105572291A (zh) * | 2015-12-17 | 2016-05-11 | 云南电网有限责任公司电力科学研究院 | 一种锅炉脱硝系统催化剂活性检测方法 |
JP6428964B1 (ja) * | 2017-12-28 | 2018-11-28 | 中国電力株式会社 | 脱硝触媒の劣化評価方法 |
CN109884242A (zh) * | 2019-03-21 | 2019-06-14 | 青岛大学 | 一种基于催化剂负载滤料脱硝效果的测试装置及评价方法 |
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JPH06319951A (ja) * | 1993-05-14 | 1994-11-22 | Babcock Hitachi Kk | 排ガスの浄化方法と装置 |
EP0652435A3 (de) * | 1993-11-04 | 1996-11-20 | Siemens Ag | Sensor zur Bestimmung des Verlaufs der Konzentration. |
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DE19931007C2 (de) * | 1999-07-06 | 2001-10-18 | Daimler Chrysler Ag | Verfahren und Vorrichtung zur Bestimmung des Speicherzustands eines ammoniakspeichernden SCR-Katalysators |
ES2278639T3 (es) * | 1999-10-15 | 2007-08-16 | Abb Lummus Global Inc. | Conversion de oxidos de nitrogeno en presencia de un catalizador soportado por una estructura de tipo malla. |
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CA2511583C (en) * | 2002-12-27 | 2012-04-17 | The Chugoku Electric Power Co., Inc. | Method for producing honeycomb catalyst, method for producing denitration catalyst of denitration device, and method for producing exhaust gas denitration device |
AU2003289030A1 (en) * | 2003-12-11 | 2005-06-29 | The Chugoku Electric Power Co., Inc. | Method for restoring performance capabilities of exhaust gas treatment apparatus |
US7635593B2 (en) * | 2004-05-14 | 2009-12-22 | Fossil Energy Research Corp. (Ferco) | In-line localized monitoring of catalyst activity in selective catalytic NOx reduction systems |
-
2005
- 2005-06-21 WO PCT/JP2005/011381 patent/WO2006001283A1/ja not_active Application Discontinuation
- 2005-06-21 JP JP2006528547A patent/JP4425275B2/ja active Active
- 2005-06-21 CN CN2005800216236A patent/CN1977162B/zh not_active Expired - Fee Related
- 2005-06-21 DK DK05753354.9T patent/DK1762844T3/en active
- 2005-06-21 CA CA2571044A patent/CA2571044C/en not_active Expired - Fee Related
- 2005-06-21 EP EP05753354.9A patent/EP1762844B1/en active Active
- 2005-06-21 PL PL05753354T patent/PL1762844T3/pl unknown
- 2005-06-21 KR KR1020067027517A patent/KR100801237B1/ko not_active IP Right Cessation
- 2005-06-21 US US11/630,796 patent/US7759122B2/en not_active Expired - Fee Related
- 2005-06-28 TW TW094121582A patent/TWI277439B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
TWI277439B (en) | 2007-04-01 |
WO2006001283A1 (ja) | 2006-01-05 |
PL1762844T3 (pl) | 2015-03-31 |
EP1762844A4 (en) | 2009-04-01 |
CA2571044C (en) | 2010-10-26 |
CN1977162A (zh) | 2007-06-06 |
CA2571044A1 (en) | 2006-01-05 |
TW200605950A (en) | 2006-02-16 |
EP1762844A1 (en) | 2007-03-14 |
CN1977162B (zh) | 2011-02-16 |
JP4425275B2 (ja) | 2010-03-03 |
EP1762844B1 (en) | 2014-09-10 |
US20070243619A1 (en) | 2007-10-18 |
KR20070030234A (ko) | 2007-03-15 |
US7759122B2 (en) | 2010-07-20 |
DK1762844T3 (en) | 2014-12-15 |
KR100801237B1 (ko) | 2008-02-11 |
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