inert alumina ball

Inert alumina balls are ceramic products widely used in petrochemical, environmental protection and natural gas industries ‌. It is mainly used in the reactor as a catalyst support and cover material, can buffer the impact of liquid and gas into the reactor on the catalyst, protect the catalyst, and improve the distribution of liquid and gas in the reactor. ‌

peculiarity

High chemical stability: it can withstand the corrosion of acid, alkali and other organic solvents, and can still maintain stable performance under various harsh chemical environments.

Good thermal stability: can withstand high temperature, can withstand the temperature change in the production process, the heat resistance temperature is usually between 1200-1700℃, the heat resistance temperature of different materials of inert alumina balls is slightly different, such as corundum heat resistance temperature can be as high as 1700℃.

Large mechanical strength: with high strength, high compressive strength, can withstand a certain pressure and impact, not easy to break.

Low water absorption: the general water absorption rate is less than 5%, which makes it perform well in some moisture-sensitive application scenarios.

Main role

Supporting catalyst: as a supporting material for the catalyst in the reactor, it provides a stable supporting structure for the catalyst, prevents the catalyst from moving or breaking due to fluid impact during the reaction process, and ensures the activity and service life of the catalyst.

Covering protection catalyst: Covering the surface of the catalyst, play an isolation and protection role, avoid the catalyst and the reaction material impurities or harmful substances in direct contact, reduce the risk of catalyst poisoning or inactivation.

Improve fluid distribution: Increase the gas or liquid distribution points, so that the gas and liquid entering the reactor can be more evenly distributed on the catalyst bed, improve the efficiency and selectivity of the reaction, and reduce the phenomenon of local overheating or uneven reaction.

Application field

Petrochemical: In the process of petroleum refining and chemical production, it is widely used in various reactors, such as catalytic cracking, hydrofining, reforming and other devices, as a catalyst support and protection material, which helps to improve the quality and output of petroleum products.

Fertilizer production: Used in the chemical reactor of nitrogen fertilizer, phosphate fertilizer, potassium fertilizer and other fertilizer production process, to provide a good working environment for the catalyst, to ensure the efficient and stable operation of fertilizer production.

Natural gas treatment: In natural gas purification, conversion and other processes, as a filler or catalyst support, participate in desulfurization, decarbonization, methanation and other reaction processes to improve the quality and utilization value of natural gas.

Environmental protection: It can be used in environmental protection projects such as waste gas treatment and waste water treatment, as a carrier of adsorbent or catalyst to help remove harmful gas components in waste gas, such as sulfur dioxide, nitrogen oxides, etc., or to catalyze the degradation of organic pollutants in waste water treatment.

Chemical composition of inert alumina ball:

1, the chemical composition of feldspar is: Al2O3 content in 20-30%.

2, feldspar - mullite chemical composition: Al2O3 content in 30-45%.

3, the chemical composition of mullite: Al2O3 content in 45-70%.

4, mullite - corundum chemical composition: Al2O3 content in 70-90%;

5, corundum chemical composition: Al2O3 content in ≥90%

6, chemical composition of other substances: Al2O3+SiO2≥90% and Fe2O3≤1%

In addition to the chemical composition of these inert alumina balls, the technical indicators are:

1, water absorption ≤5%

2, alkali resistance ≥80~95%

3, heat resistance temperature ≥1300~1700℃