公开(公告)号：US20160184803A1

公开(公告)日：2016-06-30

申请号：US14903152

申请日：2014-07-08

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Takahiro UMENO ,  Masaya HANZAWA ,  Yoshiyuki HAYASHI

IPC: B01J23/63 ,  B01J35/00 ,  B01D53/94 ,  B01J37/08 ,  B01J37/04 ,  B01J35/04 ,  B01J37/02

CPC classification number: B01J23/63 ,  B01D53/9418 ,  B01D53/9422 ,  B01D53/945 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/204 ,  B01D2255/2042 ,  B01D2255/2065 ,  B01D2255/2092 ,  B01D2255/9025 ,  B01D2255/91 ,  B01D2255/92 ,  B01J35/0006 ,  B01J35/04 ,  B01J35/1019 ,  B01J35/1047 ,  B01J35/1061 ,  B01J37/0203 ,  B01J37/0236 ,  B01J37/0244 ,  B01J37/0248 ,  B01J37/04 ,  B01J37/08 ,  B01J2523/00 ,  Y02T10/22 ,  B01J2523/31 ,  B01J2523/3712 ,  B01J2523/824 ,  B01J2523/828 ,  B01J2523/24 ,  B01J2523/822

Abstract: An exhaust gas purification method by which carbon monoxide (CO), hydrocarbon (HC), and nitrogen oxide (NOx), particularly NOx, which are hazardous components contained in an exhaust gas can be removed efficiently. The disclosure relates to a catalyst for exhaust gas purification including: a three-dimensional structure; and a catalyst component layer composed of one or more constituting layers on the three-dimensional structure, wherein the catalyst component layer contains (a) a noble metal-unsupported alumina having mesopores, (b) NOx storage material-supported cerium, (c) a refractory inorganic oxide, and (d) a noble metal, and the constituting layer of the uppermost surface among the one or more constituting layers contains (a) the noble metal-unsupported alumina and (b) the NOx storage material-supported cerium, a method for producing the same, and an exhaust gas purification method using the catalyst.

Abstract translation: 可以有效地除去作为废气中含有的有害成分的一氧化碳（CO），烃（HC）和氮氧化物（NOx），特别是NOx的排气净化方法。 本发明涉及一种用于废气净化的催化剂，包括：三维结构; （a）具有中孔的贵金属非负载型氧化铝，（b）担载有NOx的担载材料的铈，（c）所述催化剂成分层，所述催化剂成分层由三维结构的一个以上的构成层构成， 耐火无机氧化物和（d）贵金属，并且一个以上构成层中的最上表面的构成层包含（a）贵金属 - 无载体氧化铝和（b）负载有NOx的储存材料的铈， 其制造方法和使用该催化剂的废气净化方法。

公开(公告)号：US20150375205A1

公开(公告)日：2015-12-31

申请号：US14766618

申请日：2014-02-07

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Takahiro UMENO ,  Masaya HANZAWA ,  Yoshiyuki HAYASHI

IPC: B01J23/63 ,  B01D53/94 ,  B01J23/10

CPC classification number: B01J23/63 ,  B01D53/945 ,  B01D2255/1021 ,  B01D2255/204 ,  B01D2255/2065 ,  B01D2255/40 ,  B01D2255/91 ,  B01D2255/9207 ,  B01J23/002 ,  B01J23/10 ,  B01J35/002 ,  B01J35/04 ,  B01J37/0036 ,  B01J37/0242 ,  B01J37/0248 ,  B01J37/08 ,  B01J2523/00 ,  F01N3/0871 ,  Y02T10/22 ,  B01J2523/24 ,  B01J2523/31 ,  B01J2523/3712 ,  B01J2523/822 ,  B01J2523/828

Abstract: The present invention is to provide a NOx storage reduction catalyst for purifying exhaust gas capable of efficiently removing carbon monoxide (CO), a hydrocarbon (HC), and a nitrogen oxide (NOx), in particular NOx, which are harmful components contained in exhaust gas. The NOx storage reduction catalyst for purifying exhaust gas of the present invention is characterized by being obtained by using a complex oxide of strontium and cerium as a catalytic active component, in which the complex oxide of strontium and cerium adsorbs 1.0 mL or less of oxygen per gram in a 400° C. atmosphere, and sinters a precursor at 300° C. or more.

Abstract translation: 本发明提供一种用于净化排气的NOx还原催化剂，其能够有效地除去排气中含有的有害成分的一氧化碳（CO），烃（HC）和氮氧化物（NOx），特别是NOx 加油站。 本发明的净化废气的NOx还原催化剂的特征在于，通过使用锶和铈的复合氧化物作为催化活性成分，其中锶和铈的复合氧化物吸附1.0mL以下的氧 在400℃的气氛中烧结，并在300℃或更高温度下烧结前体。

公开(公告)号：US20160346731A1

公开(公告)日：2016-12-01

申请号：US15111643

申请日：2015-01-19

Applicant: UMICORE SHOKUBAI JAPAN CO., LTD.

Inventor： Takahiro UMENO ,  Masaya HANZAWA ,  Yoshiyuki HAYASHI

IPC: B01D53/94 ,  B01J35/04 ,  B01J37/02 ,  B01J23/63

CPC classification number: B01D53/945 ,  B01D2251/208 ,  B01D2255/1021 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2022 ,  B01D2255/2027 ,  B01D2255/2042 ,  B01D2255/2047 ,  B01D2255/2063 ,  B01D2255/2065 ,  B01D2255/2092 ,  B01D2255/40 ,  B01D2255/9022 ,  B01D2258/012 ,  B01J23/63 ,  B01J35/023 ,  B01J35/04 ,  B01J35/1019 ,  B01J37/0225 ,  B01J37/0244 ,  B01J37/0248 ,  B01J37/16 ,  B01J2523/00 ,  F01N3/28 ,  Y02C20/20 ,  Y02T10/22 ,  B01J2523/25 ,  B01J2523/31 ,  B01J2523/3706 ,  B01J2523/3712 ,  B01J2523/822 ,  B01J2523/824 ,  B01J2523/828

Abstract: It is an object to provide an exhaust gas purification catalyst for a lean burn engine having sufficient NOx purification performance.The exhaust gas purification catalyst for a lean burn engine according to the present invention has a catalyst component including noble metal and ceria supported on a three-dimensional structure. In the whole catalyst, the supported amount of ceria per 1 L of catalyst is 140 to 300 g/L, and in the whole catalyst, is 50 to 98% by mass with respect to the whole coated amount. Furthermore, it is characterized that 50% by mass or more of ceria is included in the same catalyst layer in which noble metal is included, and the amount of noble metal included in the catalyst layer is 0.1% by mass or more with respect to the amount of ceria included in the catalyst layer.

Abstract translation: 根据本发明的稀燃燃烧发动机的废气净化催化剂具有负载在三维结构上的贵金属和二氧化铈的催化剂成分。 在整个催化剂中，每1L催化剂的二氧化铈的负载量为140〜300g / L，整个催化剂的总涂布量为50〜98质量％。 此外，其特征在于，在包含贵金属的同一催化剂层中包含50质量％以上的二氧化铈，并且包含在催化剂层中的贵金属的量相对于催化剂层为0.1质量％以上 包含在催化剂层中的二氧化铈的量。