MX9206318A - Catalizador termicamente estable de alto desempeño - Google Patents
Catalizador termicamente estable de alto desempeñoInfo
- Publication number
- MX9206318A MX9206318A MX9206318A MX9206318A MX9206318A MX 9206318 A MX9206318 A MX 9206318A MX 9206318 A MX9206318 A MX 9206318A MX 9206318 A MX9206318 A MX 9206318A MX 9206318 A MX9206318 A MX 9206318A
- Authority
- MX
- Mexico
- Prior art keywords
- high performance
- thermally stable
- stable high
- performance catalyst
- catalyst
- Prior art date
Links
Classifications
-
- 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
- B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
- B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
- B01D53/9445—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]
- B01D53/945—Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst
-
- 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
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/46—Ruthenium, rhodium, osmium or iridium
- B01J23/464—Rhodium
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/04—Mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/90—Physical characteristics of catalysts
- B01D2255/902—Multilayered catalyst
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Catalysts (AREA)
Abstract
Una composición catalítica incluye un portador sobre el cual se deposita un material catalítico que puede opcionalmente proporcionarse en recubrimientos discretos en una primera y segunda capa.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/787,192 US5212142A (en) | 1991-11-04 | 1991-11-04 | High performance thermally stable catalyst |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9206318A true MX9206318A (es) | 1993-08-01 |
Family
ID=25140696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9206318A MX9206318A (es) | 1991-11-04 | 1992-11-03 | Catalizador termicamente estable de alto desempeño |
Country Status (4)
Country | Link |
---|---|
US (1) | US5212142A (es) |
MX (1) | MX9206318A (es) |
WO (1) | WO1993009146A2 (es) |
ZA (1) | ZA928480B (es) |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1993010885A1 (en) * | 1991-11-26 | 1993-06-10 | Engelhard Corporation | Oxidation catalyst and method of use |
ATE178809T1 (de) * | 1993-06-25 | 1999-04-15 | Engelhard Corp | Zusammengesetzten schichtkatalysator |
WO1995020434A1 (en) * | 1994-01-27 | 1995-08-03 | Engelhard Corporation | Process for recovering catalyst supports |
EP0665047B1 (en) * | 1994-01-28 | 1998-08-26 | Constantinos G. Vayenas | New three-way catalysts with PT, RH and PD, each supported on a separate support |
US6044644A (en) | 1994-12-06 | 2000-04-04 | Engelhard Corporation | Close coupled catalyst |
US6497851B1 (en) | 1994-12-06 | 2002-12-24 | Englehard Corporation | Engine exhaust treatment apparatus and method of use |
US6143691A (en) * | 1995-12-27 | 2000-11-07 | Ict Co., Ltd | Purifying catalyst for exhaust gas from internal combustion engine |
US6087298A (en) * | 1996-05-14 | 2000-07-11 | Engelhard Corporation | Exhaust gas treatment system |
GB9615123D0 (en) | 1996-07-18 | 1996-09-04 | Johnson Matthey Plc | Three-way conversion catalysts and methods for the preparation therof |
US5948377A (en) * | 1996-09-04 | 1999-09-07 | Engelhard Corporation | Catalyst composition |
US5981427A (en) * | 1996-09-04 | 1999-11-09 | Engelhard Corporation | Catalyst composition |
US5948723A (en) * | 1996-09-04 | 1999-09-07 | Engelhard Corporation | Layered catalyst composite |
US5898014A (en) * | 1996-09-27 | 1999-04-27 | Engelhard Corporation | Catalyst composition containing oxygen storage components |
US6248688B1 (en) | 1996-09-27 | 2001-06-19 | Engelhard Corporation | Catalyst composition containing oxygen storage components |
TW442324B (en) | 1996-12-06 | 2001-06-23 | Engelhard Corp | Catalytic metal plate |
US6921738B2 (en) | 1996-12-06 | 2005-07-26 | Engelhard Corporation | Catalytic metal plate |
US6107240A (en) * | 1997-03-26 | 2000-08-22 | Engelhard Corporation | Catalyst composition containing an intimately mixed oxide of cerium and praseodymium |
US5888464A (en) * | 1997-04-08 | 1999-03-30 | Engelhard Corporation | Catalyst composition containing an intimately combined cerium-zirconium oxide |
DE19714536A1 (de) * | 1997-04-09 | 1998-10-15 | Degussa | Autoabgaskatalysator |
US6180075B1 (en) * | 1997-04-09 | 2001-01-30 | Degussa-H{umlaut over (u)}ls Aktiengesellschaft | Exhaust gas catalyst |
DE19726322A1 (de) * | 1997-06-20 | 1998-12-24 | Degussa | Abgasreinigungskatalysator für Verbrennungsmotoren mit zwei katalytisch aktiven Schichten auf einem Tragkörper |
US6348430B1 (en) | 1997-06-20 | 2002-02-19 | Degussa Ag | Exhaust gas treatment catalyst for internal combustion engines with two catalytically active layers on a carrier structure |
US6022825A (en) * | 1998-01-08 | 2000-02-08 | Johnson Matthey Public Limited Company | Thermally durable low H2 S three-way catalysts |
KR100326747B1 (ko) * | 1998-03-09 | 2002-03-13 | 하나와 요시카즈 | 산소 과잉 배기 가스의 정화 장치 |
US6156283A (en) | 1998-03-23 | 2000-12-05 | Engelhard Corporation | Hydrophobic catalytic materials and method of forming the same |
US6110862A (en) * | 1998-05-07 | 2000-08-29 | Engelhard Corporation | Catalytic material having improved conversion performance |
DE60042991D1 (de) * | 1999-07-09 | 2009-11-05 | Nissan Motor | Abgasreinigungskatalysator und Verfahren zu seiner Herstellung |
JP3743995B2 (ja) * | 1999-12-15 | 2006-02-08 | 日産自動車株式会社 | メタノール改質触媒 |
TWI290484B (en) * | 2000-03-28 | 2007-12-01 | Dmc2 Degussa Metals Catalysts | Single layer high performance catalyst |
JP3797081B2 (ja) * | 2000-09-08 | 2006-07-12 | トヨタ自動車株式会社 | 吸収還元型NOx浄化用触媒 |
JP2002177781A (ja) * | 2000-12-12 | 2002-06-25 | Ict:Kk | 排ガス浄化用触媒 |
WO2003008928A2 (en) * | 2001-07-16 | 2003-01-30 | Sensor Tech, Inc. | Sensor device and method for qualitative and quantitative analysis of gas phase substances |
CN1193824C (zh) * | 2001-10-19 | 2005-03-23 | 松下电器产业株式会社 | 纯化催化剂、其制备方法和气体纯化装置 |
US6764665B2 (en) | 2001-10-26 | 2004-07-20 | Engelhard Corporation | Layered catalyst composite |
US6930073B2 (en) * | 2001-11-05 | 2005-08-16 | Delphi Technologies, Inc. | NiO catalyst configurations, methods for making NOx adsorbers, and methods for reducing emissions |
WO2004000454A1 (en) * | 2002-06-20 | 2003-12-31 | The Regents Of The University Of California | Supported metal catalyst with improved thermal stability |
JP4311918B2 (ja) * | 2002-07-09 | 2009-08-12 | ダイハツ工業株式会社 | ペロブスカイト型複合酸化物の製造方法 |
JP2004041867A (ja) * | 2002-07-09 | 2004-02-12 | Daihatsu Motor Co Ltd | 排ガス浄化用触媒 |
WO2004004899A1 (ja) * | 2002-07-09 | 2004-01-15 | Daihatsu Motor Co., Ltd. | 排ガス浄化用触媒の製造方法 |
JP2004041868A (ja) * | 2002-07-09 | 2004-02-12 | Daihatsu Motor Co Ltd | 排ガス浄化用触媒 |
JP3797313B2 (ja) * | 2002-10-28 | 2006-07-19 | トヨタ自動車株式会社 | 金属酸化物粒子の製造法及び排ガス浄化用触媒 |
US7022646B2 (en) * | 2003-01-31 | 2006-04-04 | Engelhard Corporation | Layered catalyst composite |
US7037875B2 (en) * | 2003-04-04 | 2006-05-02 | Engelhard Corporation | Catalyst support |
US7374729B2 (en) * | 2004-03-30 | 2008-05-20 | Basf Catalysts Llc | Exhaust gas treatment catalyst |
US7767619B2 (en) * | 2004-07-09 | 2010-08-03 | Sud-Chemie Inc. | Promoted calcium-aluminate supported catalysts for synthesis gas generation |
JP4776206B2 (ja) * | 2004-10-22 | 2011-09-21 | 株式会社キャタラー | 自動車排気ガス用の白金−ロジウム触媒 |
US20060217263A1 (en) * | 2005-03-24 | 2006-09-28 | Tokyo Roki Co., Ltd | Exhaust gas purification catalyst |
KR100670221B1 (ko) * | 2005-10-04 | 2007-01-16 | 희성엥겔하드주식회사 | 압축천연가스 자동차 배기가스 산화활성 개선 촉매 |
JP4838258B2 (ja) * | 2005-10-05 | 2011-12-14 | 株式会社キャタラー | 排ガス浄化用触媒 |
EP2116299A4 (en) * | 2007-01-26 | 2011-09-14 | Cataler Corp | EMISSION CONTROL CATALYST |
DE502007004776D1 (de) | 2007-03-19 | 2010-09-30 | Umicore Ag & Co Kg | Palladium-Rhodium Einfachschicht Katalysator |
EP1974809B1 (de) * | 2007-03-19 | 2010-09-29 | Umicore AG & Co. KG | Doppelschichtiger Dreiweg-Katalysator |
JP4849035B2 (ja) * | 2007-08-08 | 2011-12-28 | マツダ株式会社 | 触媒付パティキュレートフィルタ |
US8038954B2 (en) * | 2008-02-14 | 2011-10-18 | Basf Corporation | CSF with low platinum/palladium ratios |
CN104971625A (zh) * | 2008-03-19 | 2015-10-14 | 优美科触媒日本有限公司 | 内燃机废气净化用催化剂和使用该催化剂的废气净化方法 |
DE102009024158A1 (de) | 2009-06-08 | 2010-12-09 | Süd-Chemie AG | Verfahren zur Herstellung eines Dreiwegekatalysators mit Rhodium und Platin geträgert auf getrennten Oxidträgern mit nur einem Beschichtungsschritt und Kalzinierschritt |
KR101326924B1 (ko) * | 2011-09-21 | 2013-11-11 | 현대자동차주식회사 | 차량의 촉매 코팅액 제조방법 및 이를 이용한 촉매체 제조방법 및 촉매체 |
JP6174115B2 (ja) | 2012-04-05 | 2017-08-02 | ユミコア アクチェンゲゼルシャフト ウント コンパニー コマンディートゲゼルシャフト | 希薄燃焼内燃機関の排ガスから一酸化炭素および炭化水素を除去するための方法 |
KR101483651B1 (ko) * | 2012-12-13 | 2015-01-16 | 현대자동차 주식회사 | 내연 기관용 가스 정화 촉매 |
JP6414043B2 (ja) * | 2015-04-08 | 2018-10-31 | トヨタ自動車株式会社 | 排ガス浄化触媒及びその製造方法 |
KR101814455B1 (ko) * | 2015-12-02 | 2018-01-04 | 희성촉매 주식회사 | Pd-Rh 합금을 포함하는 삼원촉매 |
KR102427507B1 (ko) * | 2016-06-17 | 2022-08-01 | 바스프 코포레이션 | 팔라듐 디젤 산화 촉매 |
JP2021531956A (ja) * | 2018-07-27 | 2021-11-25 | ジョンソン、マッセイ、パブリック、リミテッド、カンパニーJohnson Matthey Public Limited Company | 改良されたtwc触媒を含有する高ドーパント担体 |
CN113272044A (zh) * | 2018-12-19 | 2021-08-17 | 巴斯夫公司 | 层状催化剂组合物和催化制品以及其制造和使用方法 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE756151A (fr) * | 1969-09-16 | 1971-02-15 | Johnson Matthey & Cy Ltd | Perfectionnements relatifs a la catalyse |
US4062810A (en) * | 1974-03-14 | 1977-12-13 | Hoechst Aktiengesellschaft | Carrier-supported catalyst |
JPS572382B2 (es) * | 1974-05-14 | 1982-01-16 | ||
US4078044A (en) * | 1975-03-10 | 1978-03-07 | University Of Southern California | Process for the catalytic oxidation of ammonia and methane to hydrogen cyanide |
US4128506A (en) * | 1978-01-23 | 1978-12-05 | General Motors Corporation | Platinum-rhodium catalyst for automotive emission control |
GB2023019B (en) * | 1978-02-06 | 1982-10-13 | Gen Motors Corp | Platinum thodium and palladium catalyst for automotive emission control |
GB2027358B (en) * | 1978-07-12 | 1983-04-27 | Nippon Catalytic Chem Ind | Exhaust gas purification catalysts |
DE2907106C2 (de) * | 1979-02-23 | 1985-12-19 | Degussa Ag, 6000 Frankfurt | Abgaskatalysator und seine Verwendung zur Reinigung der Abgase von Verbrennungskraftmaschinen |
US4233189A (en) * | 1979-03-12 | 1980-11-11 | Ford Motor Company | Catalyst of rhodium on zirconia |
JPS55155739A (en) * | 1979-05-23 | 1980-12-04 | Toyota Central Res & Dev Lab Inc | Exhaust gas purifying catalyzer |
JPS5610333A (en) * | 1979-07-06 | 1981-02-02 | Toyota Motor Corp | Catalyst for cleaning up exhaust gas and manufacture of said catalyst |
FR2530489B1 (fr) * | 1982-07-26 | 1987-02-27 | Pro Catalyse | Procede de fabrication de catalyseurs pour le traitement des gaz d'echappement des moteurs a combustion interne |
JPS60110334A (ja) * | 1983-11-21 | 1985-06-15 | Nissan Motor Co Ltd | 排ガス浄化用触媒の製造方法 |
US4675308A (en) * | 1984-06-14 | 1987-06-23 | Engelhard Corporation | Three-way catalyst for lean operating engines |
JPS61157346A (ja) * | 1984-12-29 | 1986-07-17 | Matsushita Electric Ind Co Ltd | 酸化触媒 |
JPS62106826A (ja) * | 1985-11-06 | 1987-05-18 | Nippon Shokubai Kagaku Kogyo Co Ltd | デイ−ゼル排ガス中の窒素酸化物を除去する方法 |
JPH074528B2 (ja) * | 1986-06-30 | 1995-01-25 | 株式会社日本触媒 | アルコールを燃料とする内燃機関からの排気ガスの浄化用触媒の製造方法 |
US4714694A (en) * | 1986-06-30 | 1987-12-22 | Engelhard Corporation | Aluminum-stabilized ceria catalyst compositions, and methods of making the same |
JPS6320028A (ja) * | 1986-07-12 | 1988-01-27 | Nissan Motor Co Ltd | 排ガス浄化用触媒 |
JPS6377544A (ja) * | 1986-09-19 | 1988-04-07 | Nissan Motor Co Ltd | 排気ガス浄化用触媒 |
JPS6388040A (ja) * | 1986-09-30 | 1988-04-19 | Nippon Engeruharudo Kk | 車輌用排気ガス浄化用触媒及びその製造方法 |
JPS63134058A (ja) * | 1986-11-27 | 1988-06-06 | Cataler Kogyo Kk | 排気ガス浄化用触媒 |
FR2608458B1 (fr) * | 1986-12-23 | 1989-03-10 | Rhone Poulenc Chimie | Catalyseur a base d'oxyde de cerium et procede pour le traitement de gaz industriels contenant des composes du soufre |
JPS63205141A (ja) * | 1987-02-23 | 1988-08-24 | Nissan Motor Co Ltd | 排ガス浄化用触媒 |
GB8709515D0 (en) * | 1987-04-22 | 1987-05-28 | Tioxide Group Plc | Stabilised metallic oxides |
JPS6470146A (en) * | 1987-06-24 | 1989-03-15 | Toyota Motor Corp | Catalyst for purifying exhaust gas |
US4868148A (en) * | 1987-08-24 | 1989-09-19 | Allied-Signal Inc. | Layered automotive catalytic composite |
JP2537239B2 (ja) * | 1987-08-28 | 1996-09-25 | エヌ・イーケムキヤツト 株式会社 | 耐熱性に優れた内燃機関排気ガス浄化用触媒及びその製造方法 |
JPH01123636A (ja) * | 1987-11-04 | 1989-05-16 | Toyota Motor Corp | 排気ガス浄化用触媒の製造方法 |
CA1334962C (en) * | 1988-04-14 | 1995-03-28 | Tomohisa Ohata | Catalyst for purifying exhaust gas and method for production thereof |
EP0425488B1 (en) * | 1988-07-13 | 1992-04-15 | AlliedSignal Inc. | Pollution control catalyst for minimizing h2s emissions |
DE69018571T2 (de) * | 1989-06-09 | 1995-09-28 | N E Chemcat Corp | Abgasreinigungskatalysator mit ausgezeichneter thermischer beständigkeit und verfahren zu seiner herstellung. |
JPH0338250A (ja) * | 1989-07-06 | 1991-02-19 | Mazda Motor Corp | 排気ガス浄化用触媒 |
US4992405A (en) * | 1989-11-22 | 1991-02-12 | Ford Motor Company | Three-way catalyst for automotive emission control and method of making the catalyst |
US5057483A (en) * | 1990-02-22 | 1991-10-15 | Engelhard Corporation | Catalyst composition containing segregated platinum and rhodium components |
JP3061399B2 (ja) * | 1990-06-20 | 2000-07-10 | 株式会社日本触媒 | ディーゼルエンジン排ガス浄化用触媒および浄化方法 |
-
1991
- 1991-11-04 US US07/787,192 patent/US5212142A/en not_active Expired - Lifetime
-
1992
- 1992-10-28 WO PCT/US1992/009138 patent/WO1993009146A2/en active Application Filing
- 1992-11-03 ZA ZA928480A patent/ZA928480B/xx unknown
- 1992-11-03 MX MX9206318A patent/MX9206318A/es unknown
Also Published As
Publication number | Publication date |
---|---|
WO1993009146A3 (en) | 1993-08-05 |
ZA928480B (en) | 1993-06-28 |
US5212142A (en) | 1993-05-18 |
WO1993009146A2 (en) | 1993-05-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX9206318A (es) | Catalizador termicamente estable de alto desempeño | |
TW336951B (en) | Fluorescent article | |
ES2139050T3 (es) | Filtro revestido de pelicula fina y metodo de fabricacion. | |
MX9200345A (es) | Composicion adhesiva acuosa y articulo que comprende un sustrato revestido con la misma. | |
MX170956B (es) | Mejoras a compuestos de pintura | |
ES2084931T3 (es) | Aplique retrorreflector lavable con colorante. | |
DE69114709D1 (de) | Durchsichtiges band mit geprägten kennzeichnungen. | |
ES2130797T3 (es) | Lamina receptora de tintas. | |
DE69229906D1 (de) | Induktiver Dünnfilmwandler mit verbesserter Schreibfähigkeit | |
BR9708499A (pt) | Ferramenta de corte processo para a deposição de um esquema de revestimento sobre uma ferramenta de corte incluindo um substrato e substrato com um revestimento em pelo menos uma de suas partes | |
EP0506368A3 (en) | Organic functional thin film, fabrication and use thereof | |
MY102343A (en) | Transfer graphic article | |
KR950700611A (ko) | 황화카드뮴 박층을 갖는 광전지(Photovoltaic cell with thin CdS layer) | |
AR014153A1 (es) | Una estructura de pelicula multicapa biaxialmente orientada | |
ES552092A0 (es) | Un procedimiento para revestir un sustrato con una composicion de revestimiento a base de una resina olquidica modificada con uretano. | |
MY104251A (en) | Optical recording media | |
MX169888B (es) | Pelicula para el control de energia | |
ES2058525T3 (es) | Peliculas polimeras. | |
NL189885C (nl) | Magnetisch registratiemedium omvattende een polymeerondersteuningsbasis, een ferromagnetische dunne metaalfilm, een plasmapolymerisatielaag en een smeermiddellaag. | |
DE59300943D1 (de) | Transfer-Selbstklebefolie. | |
ES551785A0 (es) | Un procedimiento para revestir articulos con una composicion de resina formadora de pelicula. | |
ES2165100T3 (es) | Cuerpo estratificado con propiedades de fosforescencia, procedimiento para su produccion y su utilizacion. | |
DE69716228D1 (de) | Elektronische vorrichtungen mit dunnfilm elektronenemitter | |
MX9301628A (es) | Revestimiento impermeable. | |
ES2066526T3 (es) | Disco de freno. |