Factory supply modified alumina for automobile exhaust
The exhaust gases emitted from internal combustion engines usually
contain hydrocarbons, carbon monoxide, carbonyl compounds, etc.,
resulting from partial or incomplete combustion of fuels, and
nitrogen oxides produced by the reaction between oxygen and
nitrogen gases contained in the air used for the combustion of
fuels at elevated temperatures.From a view point of preventing air
pollution caused by the emission of these noxious compounds, it is
required to render the exhaust gases harmless by oxidizing carbon
monoxide, hydrocarbons, etc.
【Application】
(1) Purification and catalysis of automobile and motorcycle exhaust
gas;
(2) Industrial organic waste gas purification and indoor air
purification;
(3) Natural gas combustion catalysis.
(4) Fluid catalytic cracking in oil refining industry.
【Specification】
| TYPE | AC-100 |
| Color | white |
| Chemistry composition | La2O3 | 4±1% |
| Al2O3 | ≥95% |
| Physical property | D50(μm) | 3-6 |
| Fresh BET(m2·g-1) | >150 |
| Aged BET(1000℃ 4h/m2·g-1) | >100 |
【Product features】
The first coat includes a stabilized alumina support on which a
first platinum catalytic component is dispersed and bulk ceria, and
may also include bulk iron oxide, a metal oxide (such as bulk
nickel oxide) which is effective for the suppression of hydrogen
sulfide emissions, and one or both of baria and zirconia dispersed
throughout the first coat as a thermal stabilizer
The second coat may also include a second rhodium catalytic
component, and optionally, a third platinum catalytic component,
dispersed as an activated alumina support. The present invention
also provides a method for treating engine exhaust gases by
contacting the gases under conversion conditions with the catalyst
composition.
(1) High temperature resistance and high aging ability: the
modification of lanthanum oxide can inhibit the sintering of -Al2O3
and improve the high temperature anti-aging ability of the
products.
(2) High solubility index and viscosity: the modified alumina is
easy to gel solution and has high viscosity, which can reduce or
not use aluminum sol, improve the coating performance and reduce
the shedding rate.
(3) The particle size distribution is moderate: the medium diameter
of the material is controlled to be 3-6 μ m and the particle size
distribution is narrow.
(4) Good product stability: advanced production technology and
production equipment, standardized management, to ensure the
stability of the product.
【Packing】 25kgs/poly-drum ,500kgs/pallet
1 Q: How about the service ?
A:More than 14 years experience in this kind machine field and
fluent English ,communication barrier free. Point-to-point service
help you solve the problems timely.
2 Q: How can you get sample?
A: Free samples are available, but on the basis that you pay the
courier charges.
3 Q:What documents you provide?
A:Usually, we provide Commerical Invoice, Packing List, Bill of
loading, COA , and Origin certificate. If your markets have any
special requirements, let us know.
4 Q: What are your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30%
T/T in advance, balance before shipment.
If you have other questions, please feel free to contact us.
Our company is always paying great attention to the intellectual
property and independent development, and pursuing innovation of
science and technology. Our company has been recognized as
“High-Tech Enterprise of Shanghai” since 2008. The project of the
high-precision rare earth polishing powder passed high-tech
achievements transformation, and its annual production reaches 2000
tons.
We will always adhere to the philosophy of “quality first”
business, and improve the quality of our product and service
