Description of Activated Alumina Pellets:
The common activated alumina size is 1/8", 3/16", However, if activated alumina is used in a regenerative dryer and the desiccant retaining screens cannot be measured, the 1/4", 8-10mm size should be used as a bed support The activated alumina desiccant is used extensively in compressed air dryers. Activated alumina is for use in both heated compressed air dryers and heatless / pressure swing compressed air dryers. Dewpoints to -40°F and lower may be achieved with activated alumina depending on dryer design and operating conditions. XR101 activated alumina is a smooth sphere of activated alumina produced by the unique manufacturing process.
Activated Alumina Pellets is an excellent desiccant for drying a wide variety of liquids and gases. Although all molecules are adsorbed to some extent on XR101 activated alumina, those molecules having the highest polarity are preferentially absorbed. Stream conditions such as pressure, concentration and molecular weight of the molecules, temperature and site competing molecules affect the efficiency of adsorption.
Parameter of XR101 activated alumina pellets:
| Item |
Unit |
Technical requirement |
|||
|
Particle size |
mm |
3-5 |
4-6 |
5-8 |
8-10 |
|
AL2O3 |
% |
≥93 |
≥93 |
≥93 |
≥93 |
|
SiO2 |
% |
≤0.10 |
≤0.10 |
≤0.10 |
≤0.10 |
|
Fe2O3 |
% |
≤0.04 |
≤0.04 |
≤0.04 |
≤0.04 |
|
Na2O |
% |
≤0.40 |
≤0.40 |
≤0.40 |
≤0.40 |
|
Attrition Loss |
% |
≤0.08 |
≤0.08 |
≤0.08 |
≤0.08 |
|
Bulk density |
g/ml |
≥0.75 |
≥0.75 |
≥0.75 |
≥0.75 |
|
Surface area |
㎡/g |
≥320 |
≥320 |
≥320 |
≥280 |
|
Pore Volume |
ml/g |
≥0.43 |
≥0.45 |
≥0.45 |
≥0.45 |
|
Water absorption |
% |
≥55 |
≥55 |
≥55 |
≥55 |
|
Crushing Strength (N/Particle) |
N/particle |
≥180 |
≥200 |
≥260 |
≥350 |
|
Technical Parameter of activated alumina balls |
||||||
|
Item |
XR-101 |
XR-105 |
XR-107 |
XR-400 |
XR-135 |
|
|
Technical Parameter of activated alumina |
||||||
|
Item |
XR-101 |
XR-105 |
XR-107 |
XR-400 |
XR-135 |
|
|
appearance |
white, sphere, odourless, insoluble in water, innocuous |
|||||
|
application |
Adsorbent, Desicccant |
defluorination |
adsorption H2O2 |
catalyst carrier |
Dehydrating and drying in air separation |
|
|
Crystal |
x-p |
x-p |
Γ |
Γ |
x-p |
|
|
chemical composition |
Al2O3 % |
≥93 |
≥93 |
≥93 |
≥93 |
≥93 |
|
Na2O % |
≤0.40 |
≤0.3 |
0.3-1.0 |
≤0.35 |
≤0.4 |
|
|
LOI |
% |
6-8 |
6-8 |
≤8 |
≤5 |
6-8 |
|
bulk density |
g/ml |
≥0.75 |
≥0.75 |
0.65-0.8 |
0.45-0.95 |
≥0.75 |
|
surface area |
㎡/g |
≥340 |
≥300 |
220-280 |
10-380 |
≥350 |
|
pore volume |
ml/g |
≥0.45 |
≥0.42 |
≥0.45 |
≥0.45 |
≥0.45 |
|
Attrition Loss |
% |
≤0.1 |
|
|
|
≤0.1 |
|
Crushing strength(N/Particle) |
ф1-2mm |
|
≥40 |
|
|
≥50 |
|
ф2-3mm |
≥70 |
≥80 |
≥80 |
≥40 |
≥70 |
|
|
ф3-5mm |
≥160 |
≥120 |
≥100 |
≥60 |
≥160 |
|
|
ф4-6mm |
≥200 |
|
≥130 |
≥80 |
≥200 |
|
|
ф5-7mm |
≥240 |
|
|
|
≥240 |
|
|
ф6-8mm |
≥260 |
|
|
|
≥260 |
|
Application of Activated alumina:
XR101 activated alumina is used for deep drying of gas or liquid phase of petrochemicals, air separation adsorption and adsorption drying by automatic instruments. Zibo Xiangrun and Shandong Bairui is the activated alumina manufacturers and activated alumina suppliers.
Activated alumina storage:
Avoid moisture, avoid scrolling, throw and sharp shocking during transportation, rainproof facilities should be readied.. lIt should be stored in dry and ventilated warehouse to prevent contamination or moisture.
Package of Activated Alumina for air Dryers:
| Type |
Plastic bag |
Drum |
Drum |
Super sack/Jumbo bag |
|
Bead |
25kg/55lb |
25 kg/ 55 lb |
150 kg/ 330 lb |
750kg/1650lb 900kg/1980lb 1000kg/ 2200 lb |
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