Why Choose Activated Alumina for Air Drying?

 Recently, YAMTOP's 1*20FCL High quality Activated Alumina for air drying was successfully shipped to customers. Activated alumina is a kind of alumina beads with extremely porous structure and high surface area-to-mass ratio. Activated alumina has a wide range of applications, including compressed air and gas drying. Let's take a look at how air dryer works.


Air dryer's job

Air dryer uses hygroscopic substances to collect water from the air. Desiccant is a kind of dry particles based on adsorption mechanism. Due to the interaction between molecules, the external pores of these substances serve as adsorption sites for specific molecules. The ability of this substance to do so is called physical adsorption. Silicon dioxide and activated alumina are two common physical adsorption desiccants in industry.

The desiccant substance is contained in one or more containers in the desiccant dryer. The internal components are used to keep the desiccant in place while allowing air to circulate in the container. Air usually enters from the bottom of the container and is discharged at the top of the container. As the air is transported and dried, the desiccant will be saturated, thus reducing its ability to absorb water. Before reaching this stage, the regeneration phase is carried out to restore the drying efficiency.

In short, it's like using a sieve, because water is left behind, dry air continues to pass through, and then exists.

 

Why Choose Activated Alumina for Air Drying?

 

Why use activated alumina

Activated alumina is generally considered to be the most effective air drying agent, although other desiccant materials have excellent adsorption capacity and a variety of additional advantages. This material has many unique characteristics that other materials do not have. These are some of them:

 

Ability to carry lots of water

High-quality activated alumina desiccants for desiccant air dryers optimize important factors such as volume density, surface area and permeability to extract more water in each cycle. The desiccant of poor quality can not play the greatest role, resulting in insufficient water carrying capacity. Water may enter the air system through a low-capacity activated alumina desiccant, causing rust, cooling and mechanical failure.

 

Dust-free function

In the adsorption air dryer, the wear rate of high quality activated alumina adsorbent is low. Dust from inferior activated alumina adsorbents can clog pipes, valves and instruments and require expensive maintenance or replacement.

 

Long-term durability

In pressurized air dryers, high-quality activated alumina adsorbents provide excellent water-carrying capacity for a long time. Due to the low replacement frequency of the activated alumina dehumidifier the service life is significantly prolonged and the cost is reduced.

 

Ensure a reliable dryer

The compressed air dryer runs smoothly, thanks to high quality activated alumina desiccant. Water carrying capacity, compressive strength and wear loss are all advantages of high quality activated alumina adsorbents. With the passage of time the inferior adsorbent will be physically degraded resulting in a significant reduction of the pressure of the pressurized air dryer. Once the activated alumina dehumidifier is physically degraded, it must be replaced, which leads to the poor function of the pressurized air dryer.

 

YAMTOP Activated Alumina, it has high strength, low abrasion, no soften in water, no expansion, no powdery no crack. It can widely used in the deep drying of cracked gas, ethylene and propylene, hydrogen-generation, air separation, instrument air drying and fluorine treatment for H2O2, also in the absorbing pollution material, such as H2S, SO2, HF and paraffin in the waste gas, especially in the drinking water defluorination.

Please send us a message if you need to buy them,we offer great service for you.

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