Activated Alumina for Desiccant

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Activated Alumina for Desiccant

Activated alumina ball,to be used as absorbent,desiccant and catalyst carrier.It is also a kinf of trace water desiccant and pole-molecule absorbent,according to the absorbed molecule polarization,the attachment force is strong for water,oxide,acetic acid,alkali etc.

Activated alumina defluorinates just as the anion exchange resin, but the selectivity is much strong. The defluorination effect of the activated alumina is good. The capacity is stable. 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 seperation, 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..

Physical properties

Performance/Type		KA401	KA402	KA403	KA404	KA405	KA406
Appearance		White,Sphere,No Odor,Insoluble In Water,Innocuous
Crystal Type		χ-ρ	χ-ρ	y	χ-ρ	y	χ-ρ
Chemical composition	Al2O3%	≥93	≥93	≥92	≥90	≥93	≥90
	Na2O%	≤0.3	≤0.3	≤0.5		0.15-0.3	≤0.3
	LOI	6-8	6-8	≤8	≤8	≤5	6-8
Bulk density	g/ml	0.68-0.72	0.70-0.75	0.65-0.75	0.68-0.78	0.70-0.80	0.68-0.72
Surface area	m2/g	≥280	≥280	200-260	≥300	≥200	≥300
Pore volume	ml/g	0.3-0.45	0.3-0.42	0.4-0.45	0.3-0.5	0.4	0.3-0.5
Static absorption	%	Water absorption15-17	Fluorine absorption0.12	Water absorption50	Chlorine absorption10-20	Water absorption50-70	Water absorption17-19
Activity	%	56-62
Attrition loss	%	≤0.5	≤0.5	≤0.4	≤0.5	≤0.8	0.5
Compressive strength(mm)	1-2	≥40	≥40		≥40
	2-3	≥60	≥60		≥80		80
	3-5	≥100		≥100	≥100	100	100
	4-6	≥430		≥130	≥130	140	130
	5-7	≥150	≥150	≥150	≥150	160	150
	6-8	≥200	≥200	≥200	≥200	220	200

KA401: is for as adsorbent

KA402: is for defluorinating

KA403: is for absorption in producing hydrogen perixide (H2O2)

KA404: is for catalyst carrier

KA405: is for dehydrating and drying in air seperation etc.

Activated Alumina for Desiccant