Best Price 3-5mm Activated Alumina for Desiccant Alumina Ball Catalyst

Product Description

Product Description

 

Activated Alumina: Properties and Applications

Definition & Overview
Activated alumina (or activated aluminum oxide) is a porous, high-surface-area material with excellent thermal stability and adsorption properties. Due to its unique microstructure and catalytic activity, it is widely employed as a catalyst and catalyst support in industrial processes.
 

Key Characteristics

High Surface Area & Porosity: Provides abundant active sites for chemical reactions and adsorption.

Thermal Stability: Retains structural integrity even under high-temperature conditions.

Adjustable Surface Chemistry: Can be modified to exhibit acidic or basic properties for tailored catalytic applications.

Strong Adsorption Capacity: Effective in removing contaminants (e.g., fluoride) from water and drying gases (e.g., air,).

 

Primary Applications

•  
• Catalysis:
  • Petroleum refining (e.g., hydrodesulfurization).
  • Petrochemical processes (e.g., Claus sulfur recovery).
  • Organic synthesis reactions.
• Adsorption & Purification:
  • Water treatment (fluoride removal).
  • Gas drying and purification.
• Catalyst Support:
  • Used as a carrier for precious metals (e.g., Pt/Pd in hydrogenation catalysts).
  •  

Industrial Relevance

Activated alumina is critical in sectors like oil & gas, chemical manufacturing, and environmental engineering, where its durability and versatility ensure efficient process performance.

Product Parameters

Name	unit	Index
AL2O3	%	≥92	≥92	≥92	≥92	≥92
SiO2	%	≤0.10	≤0.10	≤0.10	≤0.10	S0.10
Fe2O3	%	≤0.04	S0.04	≤0.04	S0.04	S0.04
Na2O	%	≤0.45	S0.45	≤0.45	≤0.45	S0,45
LOI	%	≤7	≤7	≤7	≤7	≤7
Particle Size	mm	1-2	2-3	3-5	4-6	5-7
Crashing strength	N/Piece	230	≥50	≥130	≥160	≥180
Surface area	m2/g	≥300	≥300	≥300	≥300	≥300
Pore volume	ml/g	≥0.4	20.4	20.4	20.4	20.4
Bulk density	g/cm3	0.70-0.85	0.68-0.80	0.68-0.80	0.68-0.80	0.68-0.75
Abrasion loss	%	≤0.2	≤0.2	≤0.2	≤0.2	≤0.2
Static adsorption value (RH=60%)	water absorption	absorbing f action	water absorption	water absorption	water absorption
	17-19	0.2-0.3	50	50-70	17-19

Detailed Photos

 Activated Alumina: Key Characteristics and Applications

 
Structural Properties
  Activated alumina is characterized by its porous structure, high dispersion, and large surface area with a microporous surface. These features provide abundant active sites, enabling exceptional catalysis, adsorption, and thermal stability in chemical reactions.
 

 Mechanical Strength & Durability

• High compressive strength
• Resistance to bursting, wear, and pulverization
  These mechanical properties ensure long-term stability in
• demanding industrial environments.

  
   

Catalytic & Functional Advantages

1.  
2. Adsorption Performance: Effectively captures impurities (e.g., in
3. gas drying or water purification).
4. Surface Activity: Adjustable acidity/basicity for tailored catalytic
5. reactions.
6. Thermal Stability: Maintains functionality under high temperatures.
7.  

Industrial Applications

Due to these combined properties, activated alumina is widely used
as:

• A catalyst (e.g., in petroleum refining and chemical synthesis).
• A catalyst support (e.g., for precious metal catalysts).
• An adsorbent (e.g., in air/gas purification and water treatment).

 

Product Line

 

Packaging & Shipping

FAQ

Q1: Where Is Your Factory Located?
A: Our factory is located at No.1-269, Zone B, Xiangdong Industrial Park, Xiangdong District, Pingxiang City, Jiangxi, China. Welcome to your visit.

Q 2: What Are Your Main Products?
A: Our factory mainly produces various kinds of ceramic balls, molecular sieves, activated alumina, tower random packing, plastic and metal materials, environmental filter materials, high-performance ceramics and so on.

Q3: What Kind Of Payment Do You Accept?
A: We accept T/T and Western Union.

Q4:What's your terms of delivery?
A: EXW, FOB, CIF.

Q5: Can I get free samples?                                               
A: Yes, free samples 1-2 kg, please advise your contact details.

Q6: What is your MOQ?
A: The MOQ is different for different products, for example, 1 Ton for ceramic balls.