Diesel oxidation catalyst and exhaust system
US-9636634-B2 · May 2, 2017 · US
Metal filter for purifying exhaust gas from ship, and preparation method thereof
US9371765B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9371765-B2 |
| Application number | US-201314232807-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 22, 2013 |
| Priority date | Mar 28, 2012 |
| Publication date | Jun 21, 2016 |
| Grant date | Jun 21, 2016 |
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- Title
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Abstract
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The present invention relates to a metal filter for purifying the exhaust gas from a ship, and a preparation method thereof. The purpose of the present invention is to provide: a metal filter for purifying the exhaust gas from a ship, capable of reducing nitrogen oxide by 85% or more at 250-300° C.; and a preparation method thereof. The metal filter for removing nitrogen oxide contained in the exhaust gas from a ship of the present invention comprises an integrated catalyst, wherein a metal substrate comprising irregularities is coated with a low temperature active catalyst in which vanadium (V), tungsten (W) and alumina sol are supported in a Ti-pillared clay (Ti-PILC) powdered support.
First claim
Opening claim text (preview).
What is claimed is: 1. A metal filter for purifying an exhaust gas from a ship, suitable for use in removing nitrogen oxide from the exhaust gas, the metal filter comprising a metal substrate having irregularities and a low-temperature active catalyst applied onto the metal substrate and comprising Ti-PILC (Pillared Clay) as a powder support and vanadium (V), tungsten (W) and alumina sol supported thereon. 2. The metal filter of claim 1 , wherein the low-temperature active catalyst comprises, based on 100 parts by weight of Ti-PILC (Pillared Clay), 1˜10 parts by weight of V, 1˜5 parts by weight of W, and 5˜20 parts by weight of alumina sol. 3. The metal filter of claim 2 , wherein the low-temperature active catalyst further comprises, based on 100 parts by weight of Ti-PILC, 1˜5 parts by weight of cerium (Ce), 5˜20 parts by weight of titanium dioxide (TiO 2 ), 1˜6 parts by weight of iron (Fe), and 1˜5 parts by weight of sulfur dioxide (SO 2 ). 4. The metal filter of claim 1 , wherein the low-temperature active catalyst further comprises, based on 100 parts by weight of Ti-PILC, 1˜5 parts by weight of cerium (Ce), 5˜20 parts by weight of titanium dioxide (TiO 2 ), 1˜6 parts by weight of iron (Fe), and 1˜5 parts by weight of sulfur dioxide (SO 2 ).
Assignees
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Classifications
Vanadium · CPC title
Aluminium · CPC title
with catalytic reactors · CPC title
Titanium · CPC title
- F01N3/281Primary
Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates · CPC title
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- What does patent US9371765B2 cover?
- The present invention relates to a metal filter for purifying the exhaust gas from a ship, and a preparation method thereof. The purpose of the present invention is to provide: a metal filter for purifying the exhaust gas from a ship, capable of reducing nitrogen oxide by 85% or more at 250-300° C.; and a preparation method thereof. The metal filter for removing nitrogen oxide contained in the …
- Who is the assignee on this patent?
- Yang Hee-Sung, Ko Joon-Ho, Park Chan-Do, and 12 more
- What technology area does this patent fall under?
- Primary CPC classification F01N3/281. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Jun 21 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).