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Air Drying Desiccant

Air Drying Desiccant

Zibo Xiangrun offers a full portfolio of high-capacity air drying desiccant. High capacity molecular sieve and activated alumina adsorbents Zibo Xiangrun supply are for cryogenic and non-cryogenic air separation processes.The latest generation products are engineered to provide high capacity and selectivity for improved plant economics and greater operational flexibility.
Zibo Xiangrun adsorbents for air separation and other industrial gas plants help improve process economics. The high adsorption capacity and selectivity of these adsorbents can reduce capital and operating costs for plants producing high purity gases such as O2, N2, H2 and CO.

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Product Details

Use in Air Drying - At times, it can be easy to tell when the moisture has been removed. Within an area, the pressure dew point will be calculated and areas lower than -40F require a heatless adsorption dryer.  This is both cost effective and energy efficient. When in operation, these dryers will use a desiccant such as a Molecular Sieve or Activated Alumina. In fact, these are the two best options currently used in the industry.


Heatless Adsorption Dryer - Holding two adsorption towers of the same size, they will be filled with the chosen desiccant. Although companies will have their favorites, there isn't necessarily a 'best' option from Molecular Sieve and Activated Alumina. Since they are both effective, you shouldn't notice much of a difference in the end result. 

To start, the compressed air will travel towards the top of the tower and the moisture will be absorbed. Over time, the bed of the desiccant will start to weight down with moisture. As soon as it has reached maximum capacity, the first tower will deactivate and this will need to be removed. After this, dry compressed air will pass from the top in order to purge the desiccant and it will then connect with all the ejected moisture molecules. The second tower will have activated while all this is occurring and will work as normal. Rather than having to shut the whole set up down each time, they can be replaced continuously to keep the dried air in the system. 

As the bed of desiccant in tower one regenerates over time, the second will be working away. When there is a constant flow of dry compressed air, this suggests that both towers are working as expected. Ultimately, the adsorption dryers will perform differently depending on their operating pressure, temperature, and even the flow. When the temperature rises somewhat, a difference in production will be seen! 



 Chemical composition of activated alumina

Content

Unit

Value

AL2O3

%

≥93.5

SiO2

%

≤0.02

Fe2O3

%

≤0.02

NaO2

%

≤0.25


Physical  Parameter of activated alumina

Item

Unit

Value

size

mm

1/8"

3/16"

1/4"

8-10

Static adsorption(25℃, 50%RH)

Wt%

≥18

≥18

≥18

≥18

Bulk density

g/ml

0.74-0.88

0.74-0.88

0.74-0.88

0.65-0.75

surface area

m2/gr

≥320

≥320

≥320

≥300

crushing strength

N

≥160

≥210

≥260

≥350

loss on attrition

%

≤0.06

≤0.06

≤0.06

≤0.06

loss on ignition(1000℃)

%

≤6

≤6

≤6

≤6

pore volume

cc/g

0.45-0.5

0.45-0.5

0.45-0.5

0.4-0.5

Payment terms

T/T

Package

25kg/bag with pallet, 150kg/drum with pallet, 900kg/jumbo bag

Use

Activated alumina desiccant is used for deep drying of gas or liquid    phase of petrochemicals, air separation adsorption and adsorption drying by  automatic instruments

  

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FAQ:

Q: Does your activated alumina supplier?

A: We are professional activated alumina supplier in China.

Q: How is your research lab of activated alumina?

A: We have professional research lab and we have cooperated with famous world companies and professors in the world for activated alumina. 


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