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Aluminum Oxide Powder used as Carrier

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What is aluminum oxide provider? Aluminum oxide provider refers to white powder or molded Light weight aluminum oxide solid, which is the most extensively used driver provider, accountancy for around 70% of commercial sustained stimulants. Aluminum oxide has lots of kinds, not just various types have different buildings, but also the very same form has different properties as a result of its different sources, such as density, pore framework, details surface area and so forth.

These residential properties are of wonderful relevance for aluminum oxide made use of as driver provider. Aluminum oxide is primarily prepared from its hydroxide (also known as Light weight aluminum oxide hydrate or aluminum oxide hydrate).
. Light weight aluminum oxide provider shapes. Industrial light weight aluminum oxide providers are powdered, but most of them are molded. Strip, round and ingot-shaped light weight aluminum oxide are mainly made use of as catalyst carriers in fixed-bed reactors, while microspherical aluminum oxide carriers are primarily used in fluidized bed activators. It can likewise be made right into special-shaped providers for certain catalytic processes, such as ring, trefoil, honeycomb, fiber (see light weight aluminum oxide fiber), and so on. Along with solids, aluminum oxide sol is readily available up for sale. The essential specifications for selecting light weight aluminum oxide are crystal type, pureness, particular surface area, pore structure, bulk density and so forth. The certain area of α& alpha;- light weight aluminum oxide is extremely reduced( less than 1m2/g), and the specific surface of change light weight aluminum oxide is generally up to 10 ~ 102m2/g.
. Light weight aluminum oxide provider properties. The majority of the developed business light weight aluminum oxide providers are permeable materials, and the pore dimension and its circulation have an essential influence on the diffusion residential or commercial properties of catalysts in the driver bits in the catalytic procedure. The pore size of fine pores can be much less than 20 μ & mu; m, while that of crude pores can get to micron level. The pore structure differs with varieties. All change aluminum oxide consists of water basically, as well as there are some hydroxyl groups and subjected aluminum atoms externally, which shows the qualities of B acid and L acid (see acid-base driver), which has a vital influence on the homes of Aluminum oxide service provider. The surface area acidity is connected to the preparation problems, specifically to the contamination ions and also heat treatment temperature. Negative ions such as halogen will certainly enhance the surface area acidity of aluminum oxide, which will certainly advertise the catalytic function of aluminum oxide itself for hydrocarbon breaking and isomerization.
. Light weight aluminum oxide powder applications. Aluminum oxide powder packed with catalytic active components. Aluminum oxide with tiny specific area (or materials with only a small number of rugged pores) is usually used to support driver active components with high details activity. The diffusion impact in pores can be removed by using this kind of service provider, as well as the deep oxidation side reaction can be lowered in the process for the function of selective oxidation. For instance, the silver driver for the oxidation of ethylene to ethylene oxide is sustained by α& alpha;- aluminum oxide. Light weight aluminum oxide with big details area has a well-developed pore structure, which can extremely distribute the active parts of the driver into bits, and with the barrier effect of the provider, the active component bits can be prevented from sintering as well as maturing in the procedure of use. it is a type of extensively made use of aluminum oxide carrier. As an example, the precious metals platinum, rhodium and so on are dispersed on light weight aluminum oxide assistance to make hydrogenation driver, which can improve the application of precious metals.

The surface acidity of light weight aluminum oxide and the active components packed kind bifunctional stimulants. As an example, the platinum-aluminum oxide catalyst used in platinum changing, in which aluminum oxide is not only a carrier, yet also one of the active elements of the catalyst.
. Light weight aluminum oxide Powder Rate. The cost is influenced by several variables consisting of the supply and also demand on the market, market patterns, financial task, market view, and unanticipated events.
If you are trying to find the latest aluminum oxide powder price, you can send us your inquiry for a quote. (
. Aluminum oxide Powder Distributor. Modern Technology Co. Ltd. is a trusted aluminum oxide powder manufacturer and Al2O3 powder provider with over 12-year-experience. We ship our goods around the globe.

If you are looking for high-grade light weight aluminum oxide powder, please do not hesitate to call us and also send an inquiry. (

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