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公开(公告)号：EP1177032B1
公开(公告)日：2004-08-04
申请号：EP00920854.7
申请日：2000-04-20
发明人： BERT, Christian , GUYON, Marc , MORAL, Najat , BIRCHEM, Thierry , FRITZ, Arno , HEDOUIN, Catherine , SEGUELONG, Thierry , BOULY, Christophe , PONTIER, Thierry , SARDA, Christian
CPC分类号： B01D53/9481 , B01D53/945 , B01D2255/2042 , B01D2255/2073 , B01J20/0207 , B01J20/0211 , B01J20/0222 , B01J20/04 , B01J20/06 , B01J20/08 , B01J20/103 , B01J20/28057 , B01J20/3078 , B01J20/3204 , B01J20/3236 , B01J23/02 , B01J23/10 , B01J23/34 , B01J37/0244 , C01G25/006 , C01P2006/12 , Y02T10/22
摘要： The invention concerns a device for purifying an internal combustion engine exhaust gases comprising an internal combustion engine capable of consuming fuel with lean air-fuel mixture ratios, means for adsorbing NOx arranged in the engine exhaust line, said means being of the type which adsorb the NOx present in the exhaust gases in the presence of excess oxygen and which release the adsorbed NOx when the oxygen concentration of the exhaust gases decreases. The invention is characterised in that the NOx adsorbing means do not contain any composition capable of acting as NOx reducing catalyst and in particular no precious metal and a three-way catalyst is installed in the exhaust line downstream of the NOx adsorbing means.
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公开(公告)号：EP1177032A1
公开(公告)日：2002-02-06
申请号：EP00920854.7
申请日：2000-04-20
发明人： BERT, Christian , GUYON, Marc , MORAL, Najat , BIRCHEM, Thierry , FRITZ, Arno , HEDOUIN, Catherine , SEGUELONG, Thierry , BOULY, Christophe , PONTIER, Thierry , SARDA, Christian
CPC分类号： B01D53/9481 , B01D53/945 , B01D2255/2042 , B01D2255/2073 , B01J20/0207 , B01J20/0211 , B01J20/0222 , B01J20/04 , B01J20/06 , B01J20/08 , B01J20/103 , B01J20/28057 , B01J20/3078 , B01J20/3204 , B01J20/3236 , B01J23/02 , B01J23/10 , B01J23/34 , B01J37/0244 , C01G25/006 , C01P2006/12 , Y02T10/22
摘要： The invention concerns a device for purifying an internal combustion engine exhaust gases comprising an internal combustion engine capable of consuming fuel with lean air-fuel mixture ratios, means for adsorbing NOx arranged in the engine exhaust line, said means being of the type which adsorb the NOx present in the exhaust gases in the presence of excess oxygen and which release the adsorbed NOx when the oxygen concentration of the exhaust gases decreases. The invention is characterised in that the NOx adsorbing means do not contain any composition capable of acting as NOx reducing catalyst and in particular no precious metal and a three-way catalyst is installed in the exhaust line downstream of the NOx adsorbing means.
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3.发明公开
公开(公告)号：EP1187675A1
公开(公告)日：2002-03-20
申请号：EP00925405.3
申请日：2000-05-05
申请人： Rhodia Chimie , Ecia , RENAULT
发明人： BERT, Christian , BIRCHEM, Thierry , BOULY, Christophe , GUYON, Marc , HEDOUIN, Catherine , MORAL, Najat , PONTIER, Thierry , SARDA, Christian , SEGUELONG, Thierry
CPC分类号： B01D53/9481 , B01D53/9422 , B01D2255/2022 , B01D2255/2027 , B01D2255/2042 , B01D2255/2073 , B01D2255/9022 , B01D2255/9207 , B01J20/041 , B01J20/06 , B01J20/103 , B01J20/28057 , B01J20/3204 , B01J20/3236 , B01J23/02 , B01J23/10 , B01J23/34 , B01J37/0244 , C01G25/006 , C01P2006/12
摘要： The invention concerns a compound and its use as NOx trap in the treatment of exhaust gases. Said compound is characterised in that it comprises a combination of: a first composition comprising a support and an active phase, the active phase being based on manganese and at least another element A selected among the alkalines and alkaline earths, the manganese and the element A being chemically bound, a second composition comprising a support and an active phase based on manganese and at least another element B selected among the alkalines, the alkaline-earths and rare earths, said second composition having or capable of having a specific surface area of at least 10 m2/g after being calcined for 8 hours at 800 °C.
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公开(公告)号：EP1177033A1
公开(公告)日：2002-02-06
申请号：EP00925391.5
申请日：2000-05-04
申请人： RHODIA CHIMIE , RHODIA CHIMIE , RENAULT
发明人： BOULY, Christophe , PONTIER, Thierry , SARDA, Christian , FRITZ, Arno , HEDOUIN, Catherine , SEGUELONG, Thierry , MORAL, Najat , GUYON, Marc , BERT, Christian
IPC分类号： B01D53/94
CPC分类号： B01D53/9422 , B01D2255/2022 , B01D2255/2027 , B01D2255/2042 , B01D2255/2061 , B01D2255/2063 , B01J23/02 , B01J23/10 , B01J23/34 , B01J37/0244
摘要： The invention concerns a composition for purifying exhaust gases of an internal engine capable of consuming fuel with lean air-fuel ratios, comprising means adsorbing NOx present in the exhaust gases, in the presence of excess oxygen and which release the adsorbed NOx when the oxygen concentration of the exhaust gases decreases. The invention is characterised in that the NOx adsorbing means comprise at least a support and at least an active phase based on manganese and that furthermore, a reducing and/or a three-way catalyst function is incorporated in the NOx adsorbing composition.
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5.发明授权
公开(公告)号：EP1177034B1
公开(公告)日：2003-08-13
申请号：EP00925392.3
申请日：2000-05-04
发明人： BOULY, Christophe , PONTIER, Thierry , SARDA, Christian , BIRCHEM, Thierry , HEDOUIN, Catherine , SEGUELONG, Thierry , MORAL, Najat , GUYON, Marc , BERT, Christian
IPC分类号： B01D53/94 , B01J35/00 , B01J23/34 , B01J23/656
CPC分类号： B01D53/9422 , B01D53/9445 , B01D2255/2022 , B01D2255/2042 , B01D2255/206 , B01D2255/2073 , B01D2255/9022 , B01D2255/908 , B01J23/02 , B01J23/10 , B01J23/34 , B01J37/0244 , Y02T10/22
摘要： The invention concerns a composition for purifying exhaust gases of an internal combustion engine capable of consuming fuel with lean air-fuel ratios comprising means adsorbing the NOx present in the exhaust gases, in the presence of excess oxygen and releasing the adsorbed NOx when the oxygen concentration of the exhaust gases decreases. The invention is characterised in that the NOx adsorbing means comprise in combination: a first composition comprising a support and an active phase, the active base being based on manganese and at least another element A selected among alkalines and alkaline-earths, the manganese and element A being chemically bound; a second composition comprising a support and an active phase based on manganese and at least another element B selected among alkalines, alkaline-earths and rare earths, said second composition having or being capable of having a specific surface area of at least 80 m /g after being calcined at 800 DEG C, and furthermore, a reducing and/or three-way catalyst function is incorporated in the NOx adsorbing means.
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6.发明公开
公开(公告)号：EP1177034A1
公开(公告)日：2002-02-06
申请号：EP00925392.3
申请日：2000-05-04
发明人： BOULY, Christophe , PONTIER, Thierry , SARDA, Christian , BIRCHEM, Thierry , HEDOUIN, Catherine , SEGUELONG, Thierry , MORAL, Najat , GUYON, Marc , BERT, Christian
IPC分类号： B01D53/94 , B01J35/00 , B01J23/34 , B01J23/656
CPC分类号： B01D53/9422 , B01D53/9445 , B01D2255/2022 , B01D2255/2042 , B01D2255/206 , B01D2255/2073 , B01D2255/9022 , B01D2255/908 , B01J23/02 , B01J23/10 , B01J23/34 , B01J37/0244 , Y02T10/22
摘要： The invention concerns a composition for purifying exhaust gases of an internal combustion engine capable of consuming fuel with lean air-fuel ratios comprising means adsorbing the NOx present in the exhaust gases, in the presence of excess oxygen and releasing the adsorbed NOx when the oxygen concentration of the exhaust gases decreases. The invention is characterised in that the NOx adsorbing means comprise in combination: a first composition comprising a support and an active phase, the active base being based on manganese and at least another element A selected among alkalines and alkaline-earths, the manganese and element A being chemically bound; a second composition comprising a support and an active phase based on manganese and at least another element B selected among alkalines, alkaline-earths and rare earths, said second composition having or being capable of having a specific surface area of at least 80 m2/g after being calcined at 800 °C, and furthermore, a reducing and/or three-way catalyst function is incorporated in the NO¿x? adsorbing means.
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公开(公告)号：EP1177033B1
公开(公告)日：2006-08-23
申请号：EP00925391.5
申请日：2000-05-04
发明人： BOULY, Christophe , PONTIER, Thierry , SARDA, Christian , FRITZ, Arno , HEDOUIN, Catherine , SEGUELONG, Thierry , MORAL, Najat , GUYON, Marc , BERT, Christian
IPC分类号： B01D53/94
CPC分类号： B01D53/9422 , B01D2255/2022 , B01D2255/2027 , B01D2255/2042 , B01D2255/2061 , B01D2255/2063 , B01J23/02 , B01J23/10 , B01J23/34 , B01J37/0244
摘要： The invention concerns a composition for purifying exhaust gases of an internal engine capable of consuming fuel with lean air-fuel ratios, comprising means adsorbing NOx present in the exhaust gases, in the presence of excess oxygen and which release the adsorbed NOx when the oxygen concentration of the exhaust gases decreases. The invention is characterised in that the NOx adsorbing means comprise at least a support and at least an active phase based on manganese and that furthermore, a reducing and/or a three-way catalyst function is incorporated in the NOx adsorbing composition.
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8.发明公开
公开(公告)号：EP1090211A1
公开(公告)日：2001-04-11
申请号：EP99925063.2
申请日：1999-06-10
申请人： RHODIA CHIMIE
CPC分类号： B01D53/944 , B01D53/9422 , B01D53/9431 , B01D2255/2065 , B01D2255/2073 , B01D2255/407 , B01D2255/91 , B01D2255/915 , B01J23/90 , B01J38/04 , B01J38/12 , F01N3/023 , F01N3/0231 , F01N3/035 , F01N2610/01
摘要： The invention concerns a method for treating by combustion carbon-containing particles collected on a filter placed in an internal combustion engine exhaust circuit characterised in that said particle combustion is carried out by contacting them with a gas mixture comprising at least nitrogen dioxide generated inside said engine exhaust circuit, said particles having been seeded prior to being burnt by at least an oxidation catalyst converter.
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9.发明授权
公开(公告)号：EP1034026B1
公开(公告)日：2003-07-02
申请号：EP98955718.6
申请日：1998-11-23
申请人： RHODIA CHIMIE
CPC分类号： B01D53/9422 , B01D53/8628 , B01D2255/2027 , B01D2255/204 , B01D2255/2065 , B01D2255/2066 , B01D2255/2073 , B01D2255/407 , B01J23/34
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10.发明公开ALUMINATE DE ZINC A SURFACE SPECIFIQUE ELEVES, SON PROCEDE DE PREPARATION ET SON UTILISATION DANS LE TRAITEMENT D'AUTOMOBILE 审中-公开具有高比表面积，其生产和它的用途汽车尾气处理的铝锌
公开(公告)号：EP1098701A1
公开(公告)日：2001-05-16
申请号：EP99920906.7
申请日：1999-05-21
申请人： RHODIA CHIMIE
CPC分类号： B01D53/9418 , B01D2251/2062 , B01D2251/208 , B01D2255/2025 , B01D2255/2065 , B01D2255/20707 , B01D2255/20792 , B01D2255/2092 , B01D2255/30 , B01D2258/012 , B01J23/06 , Y02A50/2325 , Y02T10/24
摘要： The invention concerns a zinc aluminate characterised in that it has, after calcination at 800 °C for 8 hours, a specific surface area of at least 85m2/g. The invention also concerns a precursor composition of said aluminate. The method for preparing the aluminate and the composition comprises the following steps: contacting in a solvent medium a salt, a zinc sol or alkoxide and an aluminium alkoxide; hydrolyzing the resulting mixture by adding an amount of water in excess relative to the aluminium alkoxide; recuperating the formed precipitate and optionally drying it, thereby obtaining the precursor composition; if required, calcining said precipitate, thereby obtaining the aluminate. Finally, the invention concerns the use of aluminate for treating motor vehicle exhaust gases.
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