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Cu/LTA catalyst and exhaust system, and manufacturing method of Cu/LTA catalyst

An exhaust system and manufacturing method technology, applied in catalyst activation/preparation, chemical instruments and methods, physical/chemical process catalysts, etc., can solve problems such as difficult application of vehicles, structural collapse, etc., to increase regeneration time, improve elimination, The effect of improving fuel consumption efficiency

Active Publication Date: 2018-05-25
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of zeolite-based catalysts is that the structure collapses during high-temperature heat treatment, making it difficult to apply to vehicles

Method used

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  • Cu/LTA catalyst and exhaust system, and manufacturing method of Cu/LTA catalyst
  • Cu/LTA catalyst and exhaust system, and manufacturing method of Cu/LTA catalyst
  • Cu/LTA catalyst and exhaust system, and manufacturing method of Cu/LTA catalyst

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Embodiment Construction

[0045] Hereinafter, the present invention will be described more fully with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

[0046] In addition, in the exemplary embodiments, since the same reference numerals denote the same elements having the same configuration, the first exemplary embodiment will be representatively described, and in the other exemplary embodiments, only the same elements as the first will be described. An exemplary embodiment differs in configuration.

[0047] The figures are schematic and not to scale. Relative sizes and proportions of parts in the illustrated drawings are exaggerated or reduced in size for clarity and convenience, and the dimensions are merely exemplary and not restrictive. Furthermore, identical struct...

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Abstract

Provided herein is an exhaust system comprising a diesel particulate filter (SDPF) coated with a selective catalytic reduction wherein the SCR is coated with a Cu / LTA catalyst comprising a LTA zeolitethat includes copper ions and the SCR is coated on a high pore diesel particulate matter filter, wherein a ratio of copper and aluminum is from about 0.14 to about 0.48, and wherein the Si / Al ratio of the LTA zeolite is from about 8 to about 100.

Description

[0001] Cross References to Related Applications [0002] This application claims priority under 35 U.S.C. 119(a) to Korean Patent Application No. 10-2016-0152864 filed on November 16, 2016, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to a Cu / LTA catalyst (a catalyst comprising divalent copper ions completely exchanged into a high-silica LTA zeolite), an exhaust system, and a method for producing the Cu / LTA catalyst. More specifically, the present invention relates to a Cu / LTA catalyst, an exhaust system, and a method for producing the Cu / LTA catalyst capable of reducing harmful substances in exhaust gas. Background technique [0004] Generally, in the exhaust gas of a diesel engine vehicle, carbon monoxide, hydrocarbons, and nitrogen oxides are included as harmful substances. Nitrogen oxides cause environmental problems, such as photochemical smog and acid rain, as well as human disease. Therefo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01N3/035F01N3/28B01J29/76B01J37/30
CPCB01J29/7607B01J37/30F01N3/035F01N3/2066F01N3/28B01J2229/186B01J37/0246B01J29/763C01B39/145B01J2229/36B01D2255/9032B01D2255/9155B01D2258/012B01J29/80B01D53/9418B01D2255/20761B01D2255/50B01J35/56B01J29/76B01J37/0018B01D53/9413B01J35/19B01D2255/2092B01D2255/30B01D2255/915B01J37/08B01J2229/183F01N2370/04
Inventor 金平淳金昌焕郑昌镐
Owner HYUNDAI MOTOR CO LTD
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