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activated alumina

activated alumina

Activated Alumina has the advantages of large surface area, many mciro-pores, well disperser, so it has a high affinity for water/impurity and actived catalyst. According to the applications of balls, there are 3 types of Activated Alumina Sorbent, Activated Alumina Desiccant and Activated Alumina Catalyst carrier. Meantime interior composition of the crystal phase was divided into mode Y and X-P.

Applications

The activated balls are widely utilized in the drying agent of multiform gas and liquid, also function is used as sorbent, desiccant, catalyst support in reactors for petrochemical industry, chemical industry, fertilizer industry and so on.

Property of activated alumina ceramic ball:

Item Property		Activated Alumina Sorbent			Activated Alumina Desiccant		Activated Alumina Catalyst support
		Common		High Strength	Common	Airing Separation
Crystal Phase		Type Y		Type X-P			Type Y
Chemical Compositions	AL₂O₃	≥92		≥93	≥90		≥95
	Na₂O	≤0.3
	Others	6-8			<10		<5
Parameters	Dimension (mm)	Φ2-3		Φ5-8	Φ2-3		Φ2-3
		Φ3-5			Φ3-5		Φ3-5
		Φ4-6			Φ4-6		Φ4-6
	Specific Suface (m²/g)	≥300		300-325	≥300	350±20	200-400
	Pore Volume (ml/g)	≥0.35		≥0.5	0.4±0.05	0.4±0.03	0.4-0.6
	Absorption (%)	≥15		17-19	≥15	≥19	≥28
	Bulk Density (g/ml)	0.68-0.72		0.74-0.77	0.68-0.72
	Abrasion (%)	≤0.04
	Compression Strength (N/pc)	Φ2-3	≥70	222-311	Φ2-3	≥70	Φ2-3	≥70
		Φ3-5	≥100		Φ3-5	≥100	Φ3-5	≥100
		Φ4-6	≥100		Φ4-6	≥100	Φ4-6	≥100