JP2000507491A - 触媒/吸収体の再生 - Google Patents
触媒/吸収体の再生Info
- Publication number
- JP2000507491A JP2000507491A JP08520443A JP52044396A JP2000507491A JP 2000507491 A JP2000507491 A JP 2000507491A JP 08520443 A JP08520443 A JP 08520443A JP 52044396 A JP52044396 A JP 52044396A JP 2000507491 A JP2000507491 A JP 2000507491A
- Authority
- JP
- Japan
- Prior art keywords
- absorber
- gas
- catalyst
- ppm
- regeneration
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
- B01J38/10—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst using elemental hydrogen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/90—Regeneration or reactivation
- B01J23/96—Regeneration or reactivation of catalysts comprising metals, oxides or hydroxides of the noble metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J38/00—Regeneration or reactivation of catalysts, in general
- B01J38/04—Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Catalysts (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.窒素酸化物を吸収して活力を失った吸収体から前記窒素酸化物を除去する のに有効とする量の還元ガスと、不活性キャリヤーガスとから成る再生ガスを用 意する段階と、 前記活力を失った吸収体から前記窒素酸化物を除去して再生された吸収体と するのに有効とする時間と、温度と、空間速度とによって前記再生ガスを前記活 力を失った吸収体に接触させる段階とから成る活力を失った吸収体を再生する方 法。 2.前記温度を121℃(250°F)乃至399℃(750°F)の範囲内 とする請求項1に記載の方法。 3.前記再生ガスが、さらに二酸化炭素を10%まで含むものとする請求項1 に記載の方法。 4.前記還元ガスを一酸化炭素とする請求項1に記載の方法。 5.前記還元ガスを水素とする請求項1に記載の方法。 6.前記還元ガスを一酸化炭素と水素との混合物とする請求項1に記載の方法 。 7.前記空間速度を10hr-1乃至100,000hr-1の範囲内とする請求 項1に記載の方法。 8.前記空間速度を500hr-1乃至16,000hr-1の範囲内とする請求 項7に記載の方法。 9.前記吸収体はアルカリあるいはアルカリ土類炭酸塩または重炭酸塩の被覆 を施したものとする請求項1に記載の方法。 10.前記アルカリあるいはアルカリ土類炭酸塩を炭酸カリウムとする請求項 9に記載の方法。 11.前記触媒/吸収体を水性又は非水性の白金とする請求項1に記載の方法 。 12.前記吸収体を白金の被覆を施したアルミナ支持体から成るものとする請 求項1に記載の方法。 13.アルカリあるいはアルカリ土類炭酸塩または重炭酸塩の成分を含み、そ れに窒素酸化物を吸収している活力を失った触媒/吸収体から前記窒素酸化 物を除去し、前記アルカリあるいはアルカリ土類に関して炭酸塩の形を取り戻す ために一酸化炭素と水素ガスとその混合物の中から選択した還元剤の有効量を含 有し、さらに少なくとも一酸化炭素あるいは二酸化炭素を含有することを特徴と する不活性キャリヤーガスの流れを用意する段階と; 前記活力を失った触媒/吸収体から前記窒素酸化物を除去して再生された触媒 /吸収体にするために有効とする時間をかけて、121℃(250°F)乃至3 99℃(750°F)の範囲内の温度で、10乃至100,000hr-1の範囲 内のGHSVで前記活力を失った吸収体に前記ガス流を通過させる段階とから成 る活力を失った触媒/吸収体を再生する方法。 14.前記不活性キャリヤーガスが窒素、蒸気又はその混合物から成るものと する請求項13に記載の方法。 15.前記不活性ガスが窒素から成り、前記還元剤が約500ppm乃至10% の一酸化炭素を含むものとする請求項14に記載の方法。 16.前記不活性キャリヤーガスが蒸気から成るものとする請求項14に記載 の方法。 17.前記不活性キャリヤーガスが窒素から成り、前記還元剤が約500ppm 乃至10%の水素から成るものとする請求項14に記載の方法。 18.前記アルカリあるいはアルカリ土類をリチウム、ナトリウムまたはカル シウムとする請求項14に記載の方法。 19.前記アルカリあるいはアルカリ土類をカリウムから成るものとする請求 項18に記載の方法。 20 前記不活性ガスを蒸気から成るものとする請求項14に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/371,274 | 1994-12-23 | ||
US08/371,274 US5599758A (en) | 1994-12-23 | 1994-12-23 | Regeneration of catalyst/absorber |
PCT/US1995/014548 WO1996020044A1 (en) | 1994-12-23 | 1995-10-25 | Regeneration of catalyst/absorber |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2000507491A true JP2000507491A (ja) | 2000-06-20 |
JP4110427B2 JP4110427B2 (ja) | 2008-07-02 |
Family
ID=23463274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52044396A Expired - Lifetime JP4110427B2 (ja) | 1994-12-23 | 1995-10-25 | 吸収体の再生 |
Country Status (14)
Country | Link |
---|---|
US (1) | US5599758A (ja) |
EP (1) | EP0802825B1 (ja) |
JP (1) | JP4110427B2 (ja) |
CN (1) | CN1173147A (ja) |
AT (1) | ATE257409T1 (ja) |
AU (1) | AU693966B2 (ja) |
BR (1) | BR9510481A (ja) |
CZ (1) | CZ198297A3 (ja) |
DE (1) | DE69532419T2 (ja) |
HU (1) | HUT77699A (ja) |
NZ (1) | NZ296438A (ja) |
PL (1) | PL321095A1 (ja) |
TW (1) | TW363898B (ja) |
WO (1) | WO1996020044A1 (ja) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2743010B1 (fr) * | 1995-12-29 | 1998-02-20 | Rhone Poulenc Fibres | Procede de preparation par hydrogenation de catalyseurs a base de metal de transition et de phosphine |
DE19731623B4 (de) * | 1997-07-23 | 2006-11-23 | Volkswagen Ag | Verfahren und Vorrichtung zur De-Sulfatierung von NOx-Speichern bei Dieselmotoren |
US5953911A (en) * | 1998-02-04 | 1999-09-21 | Goal Line Environmental Technologies Llc | Regeneration of catalyst/absorber |
US6560958B1 (en) * | 1998-10-29 | 2003-05-13 | Massachusetts Institute Of Technology | Emission abatement system |
US6093670A (en) * | 1998-12-11 | 2000-07-25 | Phillips Petroleum Company | Carbon monoxide oxidation catalyst and process therefor |
JP4461621B2 (ja) * | 1999-01-19 | 2010-05-12 | 弥太郎 市川 | 排気ガス処理方法とその装置及び之を装備する車両 |
JP3642273B2 (ja) * | 1999-10-21 | 2005-04-27 | 日産自動車株式会社 | 排気ガス浄化システム |
WO2001051178A1 (en) * | 2000-01-11 | 2001-07-19 | Goal Line Environmental Technologies Llc | Process, catalyst system, and apparatus for treating sulfur compound containing effluent |
DE10049040A1 (de) * | 2000-10-04 | 2002-06-13 | Alstom Switzerland Ltd | Verfahren zur Regeneration einer Katalysatoranlage und Vorrichtung zur Durchführung des Verfahrens |
US20030181314A1 (en) * | 2001-08-31 | 2003-09-25 | Texaco Inc. | Using shifted syngas to regenerate SCR type catalyst |
US20030047146A1 (en) * | 2001-09-10 | 2003-03-13 | Daniel Michael J. | Plasmatron-internal combustion engine system having an independent electrical power source |
US7014930B2 (en) * | 2002-01-25 | 2006-03-21 | Arvin Technologies, Inc. | Apparatus and method for operating a fuel reformer to generate multiple reformate gases |
US6959542B2 (en) * | 2002-01-25 | 2005-11-01 | Arvin Technologies, Inc. | Apparatus and method for operating a fuel reformer to regenerate a DPNR device |
US7021048B2 (en) * | 2002-01-25 | 2006-04-04 | Arvin Technologies, Inc. | Combination emission abatement assembly and method of operating the same |
US6976353B2 (en) * | 2002-01-25 | 2005-12-20 | Arvin Technologies, Inc. | Apparatus and method for operating a fuel reformer to provide reformate gas to both a fuel cell and an emission abatement device |
JP4244648B2 (ja) * | 2002-02-19 | 2009-03-25 | 日産自動車株式会社 | 排気ガス浄化装置 |
FR2838770B1 (fr) | 2002-04-17 | 2005-11-25 | Renault Sa | Systeme de depollution de gaz d'echappement d'un moteur diesel et procede de mise en oeuvre |
US6651597B2 (en) * | 2002-04-23 | 2003-11-25 | Arvin Technologies, Inc. | Plasmatron having an air jacket and method for operating the same |
US20030200742A1 (en) * | 2002-04-24 | 2003-10-30 | Smaling Rudolf M. | Apparatus and method for regenerating a particulate filter of an exhaust system of an internal combustion engine |
US20040020188A1 (en) * | 2002-08-05 | 2004-02-05 | Kramer Dennis A. | Method and apparatus for generating pressurized air by use of reformate gas from a fuel reformer |
US20040020447A1 (en) * | 2002-08-05 | 2004-02-05 | William Taylor | Method and apparatus for advancing air into a fuel reformer by use of an engine vacuum |
US20040020191A1 (en) * | 2002-08-05 | 2004-02-05 | Kramer Dennis A. | Method and apparatus for advancing air into a fuel reformer by use of a turbocharger |
WO2004015511A1 (en) * | 2002-08-12 | 2004-02-19 | Arvin Technologies, Inc. | Apparatus and method for controlling the oxygen-to-carbon ratio of a fuel reformer |
DE10242776B4 (de) | 2002-09-14 | 2013-05-23 | Alstom Technology Ltd. | Verfahren zum Betrieb einer Abgasreinigungsanlage |
US20040050345A1 (en) * | 2002-09-17 | 2004-03-18 | Bauer Shawn D. | Fuel reformer control system and method |
US20040052693A1 (en) * | 2002-09-18 | 2004-03-18 | Crane Samuel N. | Apparatus and method for removing NOx from the exhaust gas of an internal combustion engine |
US6758035B2 (en) * | 2002-09-18 | 2004-07-06 | Arvin Technologies, Inc. | Method and apparatus for purging SOX from a NOX trap |
US6702991B1 (en) | 2002-11-12 | 2004-03-09 | Arvin Technologies, Inc. | Apparatus and method for reducing power consumption of a plasma fuel reformer |
US6715452B1 (en) | 2002-11-13 | 2004-04-06 | Arvin Technologies, Inc. | Method and apparatus for shutting down a fuel reformer |
US6903259B2 (en) * | 2002-12-06 | 2005-06-07 | Arvin Technologies, Inc. | Thermoelectric device for use with fuel reformer and associated method |
US20040139730A1 (en) * | 2003-01-16 | 2004-07-22 | William Taylor | Method and apparatus for directing exhaust gas and reductant fluid in an emission abatement system |
US6843054B2 (en) * | 2003-01-16 | 2005-01-18 | Arvin Technologies, Inc. | Method and apparatus for removing NOx and soot from engine exhaust gas |
US20040144030A1 (en) * | 2003-01-23 | 2004-07-29 | Smaling Rudolf M. | Torch ignited partial oxidation fuel reformer and method of operating the same |
US6851398B2 (en) * | 2003-02-13 | 2005-02-08 | Arvin Technologies, Inc. | Method and apparatus for controlling a fuel reformer by use of existing vehicle control signals |
US20040216378A1 (en) * | 2003-04-29 | 2004-11-04 | Smaling Rudolf M | Plasma fuel reformer having a shaped catalytic substrate positioned in the reaction chamber thereof and method for operating the same |
US7285247B2 (en) * | 2003-10-24 | 2007-10-23 | Arvin Technologies, Inc. | Apparatus and method for operating a fuel reformer so as to purge soot therefrom |
US7244281B2 (en) * | 2003-10-24 | 2007-07-17 | Arvin Technologies, Inc. | Method and apparatus for trapping and purging soot from a fuel reformer |
US7776280B2 (en) * | 2005-05-10 | 2010-08-17 | Emcon Technologies Llc | Method and apparatus for selective catalytic reduction of NOx |
US7803338B2 (en) * | 2005-06-21 | 2010-09-28 | Exonmobil Research And Engineering Company | Method and apparatus for combination catalyst for reduction of NOx in combustion products |
US7743602B2 (en) * | 2005-06-21 | 2010-06-29 | Exxonmobil Research And Engineering Co. | Reformer assisted lean NOx catalyst aftertreatment system and method |
US20070033929A1 (en) * | 2005-08-11 | 2007-02-15 | Arvinmeritor Emissions Technologies Gmbh | Apparatus with in situ fuel reformer and associated method |
GB0806148D0 (en) * | 2008-04-04 | 2008-05-14 | Johnson Matthey Plc | Process for preparing catalysts |
CN101592449B (zh) * | 2008-05-29 | 2012-01-25 | 中国石油化工股份有限公司 | 一种烟气脱硫脱氮吸附剂再生过程中的换热方法 |
KR20110084266A (ko) | 2008-10-31 | 2011-07-21 | 에메라켐, 엘엘씨 | 가스 스트림 내의 미립자 물질을 감소시키는 방법 및 시스템 |
AU2011312732A1 (en) * | 2010-09-30 | 2013-05-02 | Exxonmobil Chemical Patents Inc. | Regeneration of metal-containing catalysts |
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US3230179A (en) * | 1963-01-28 | 1966-01-18 | Pullman Inc | Regeneration of a platinum catalyst by oxidation and treatment with a hydrogen containing gas |
US3856485A (en) * | 1967-11-11 | 1974-12-24 | Meps Inc | Apparatus and methods for treating exhaust gases of combustion |
NL7307675A (ja) * | 1972-06-16 | 1973-12-18 | ||
US3953575A (en) * | 1973-11-21 | 1976-04-27 | American Gas Association | Iron oxide sorbents for regenerative sorption of Nox |
DE3226840A1 (de) * | 1982-07-17 | 1984-02-16 | Kernforschungsanlage Jülich GmbH, 5170 Jülich | Verfahren zur abtrennung und rezyklierung von no(pfeil abwaerts)x(pfeil abwaerts)-gasanteilen durch ad- und desorption an molsieb |
DE3430887C2 (de) * | 1984-08-22 | 1987-02-05 | Didier-Werke Ag, 6200 Wiesbaden | Verfahren zur Reaktivierung eines Katalysators |
DE3523326A1 (de) * | 1985-06-29 | 1987-01-08 | Steag Ag | Verfahren zur abscheidung von no(pfeil abwaerts)x(pfeil abwaerts) aus gasen, insbesondere rauchgasen |
US5254519A (en) * | 1990-02-22 | 1993-10-19 | Engelhard Corporation | Catalyst composition containing platinum and rhodium components |
US5292695A (en) * | 1992-11-18 | 1994-03-08 | Synthetica Technologies, Inc. | Process for reactivating particulate adsorbents |
-
1994
- 1994-12-23 US US08/371,274 patent/US5599758A/en not_active Expired - Lifetime
-
1995
- 1995-10-25 BR BR9510481A patent/BR9510481A/pt not_active Application Discontinuation
- 1995-10-25 CZ CZ971982A patent/CZ198297A3/cs unknown
- 1995-10-25 HU HU9800911A patent/HUT77699A/hu unknown
- 1995-10-25 PL PL95321095A patent/PL321095A1/xx unknown
- 1995-10-25 CN CN95197424A patent/CN1173147A/zh active Pending
- 1995-10-25 DE DE69532419T patent/DE69532419T2/de not_active Expired - Lifetime
- 1995-10-25 EP EP95939101A patent/EP0802825B1/en not_active Revoked
- 1995-10-25 NZ NZ296438A patent/NZ296438A/en unknown
- 1995-10-25 JP JP52044396A patent/JP4110427B2/ja not_active Expired - Lifetime
- 1995-10-25 AU AU41056/96A patent/AU693966B2/en not_active Ceased
- 1995-10-25 WO PCT/US1995/014548 patent/WO1996020044A1/en active IP Right Grant
- 1995-10-25 AT AT95939101T patent/ATE257409T1/de not_active IP Right Cessation
-
1996
- 1996-05-02 TW TW085105253A patent/TW363898B/zh active
Also Published As
Publication number | Publication date |
---|---|
CN1173147A (zh) | 1998-02-11 |
EP0802825A1 (en) | 1997-10-29 |
AU4105696A (en) | 1996-07-19 |
HUT77699A (hu) | 1998-07-28 |
US5599758A (en) | 1997-02-04 |
JP4110427B2 (ja) | 2008-07-02 |
DE69532419D1 (de) | 2004-02-12 |
WO1996020044A1 (en) | 1996-07-04 |
PL321095A1 (en) | 1997-11-24 |
EP0802825A4 (en) | 1999-06-23 |
ATE257409T1 (de) | 2004-01-15 |
CZ198297A3 (en) | 1997-11-12 |
NZ296438A (en) | 1998-09-24 |
BR9510481A (pt) | 1998-06-02 |
DE69532419T2 (de) | 2004-11-11 |
TW363898B (en) | 1999-07-11 |
EP0802825B1 (en) | 2004-01-07 |
AU693966B2 (en) | 1998-07-09 |
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