3-50mm 75%-90% Industrial Inert Alumina Ceramic Ball As Reactor Support Catalyst in Adsorbent Bed
3-50mm 75%-90% industrial inert alumina ceramic ball as reactor support catalyst in adsorbent bed
Product Description.
Ceramic balls are widely used as the covering or suporting materials of the catalyst in the reactors and the packing in the columns in such varied areas,for examples,petroleum,chemical industry,chemical fertilizer,natural gas and environmental protection etc.The ceramic balls have the advantages of high temperature and high pressure resistance.low water adsorption,stable chemical performance,it also resistance to acid,alkali,and some organic solvent.
1. Specification.
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Model: |
Inert Ceramic Ball |
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Color: |
Light Grey |
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Shape: |
Ball |
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Typical Technical Composition |
Value |
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Al2O3 |
75-90% |
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Fe2O3 |
≤ 1.0% |
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Al2O3 + SiO2 |
>90% |
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Physical properties |
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Index |
Value |
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Leachable Iron |
≤ 0.001% |
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Water Absorption |
<3wt.% |
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Acid Resistance |
>98% |
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Alkaline Resistance |
>90% |
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Max. Operating Temperature |
1760℃ |
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Bulk Density (Packing Density) |
1.9-2.0 g/cm3 |
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Size / |
Crush Strength |
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Nominal Size |
(KN/pc) |
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mm |
Inch |
min. |
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6 |
1/4 |
0.7 |
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10 |
3/8 |
1.5 |
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13 |
1/2 |
1.8 |
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19 |
3/4 |
2.8 |
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25 |
1 |
3.6 |
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38 |
1.5 |
5.5 |
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50 |
2 |
10.5 |
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2.Typical Application:
The main role of inert ceramic balls is to increase the distribution spots of gas or liquid, and to support and protect the activating catalyst with low strength.
Customer Case:
Inert Alumina Balls for Methanol Synthesis Towers
Technical Requirements
I. Purpose
Under methanol synthesis reaction conditions, inert alumina balls in the synthesis tower serve to buffer airflow impact and protect and support the synthesis catalyst.
II. Application and Dosage
Synthesis Gas: Synthesis gas conditions entering the synthesis tower are as follows:
Gas pressure: 5.2 MPa(G) Gas temperature: 190-230°C
Flow rate: ~503,000 Nm³/h (operating flexibility: 30%-105%)
Gas composition: See the table below (design values)
| Component | mol% |
| CO | 10-20 |
| CO₂ | CO₂ |
| H₂ | 65-80 |
| CH₄ | 0.5-2 |
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N₂ + Ar |
1-2.5 |
| Other | Trace amounts |
| Total | 100.0 |
Note: Total sulfur content in the feed gas is <0.05 ppm.
Operating Conditions: Temperature: Inlet 190-230°C, Outlet 210-260°C; Pressure: 5.2 MPa (G)
III. Technical Requirements and Quantity
1) Al2O3 Content: 75%. The lower the content of other impurities, such as heavy metals, arsenic, iron, chlorine, and sulfur, the better. (Excessive content will poison the synthesis catalyst and affect methanol production.)
2) Bulk Density: 1600-2200 kg/m3;
3) Two particle sizes: 25 mm and 8 mm;
4) Quantity:
25 mm alumina balls: 33.2 m3
8 mm alumina balls: 5.9 m3
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