Guard Bed Catalyst (Pretreater)
N-U has established guard bed technology to protect catalyst ahead of other catalyst companies. It is required to install Guard bed catalyst upstream of catalyst bed to capture and decompose catalyst poisons. Guard bed catalyst can extend life of catalyst.
Guard Bed Catalyst List
| Item／Type | NA-series | NB-2C | NC-2 |
|---|---|---|---|
| Type of Shape | Spherical | Ceramic Foam | Honeycomb Monolith |
| Base Material | Alumina | Ceramic | Ceramic |
| Standard Size, mm | φ2.5〜4.0 φ4.0〜6.0 |
430×580×t40 430×580×t60 |
150×150×t50 140×190×t40 140×190×t50 |
| ABD, g/cc | 0.3〜0.4 | 0.37〜0.46 | 0.4〜0.5 |
| Inlet Temperature, degC | 350~400 | 350~400 | 350~400 |
| Pressure Drop | High | Middle | Low |
| Performance | High | Middle | High |
| Standard SV, 1/hr | 5,000~20,000 | 30,000~50,000 | 20,000~40,000 |
| Remark | Applicable for only down-flow | --- |
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Effect of Guard Bed Catalyst for Exhaust Gas Treatment
Contact Sales Department
| Department | Environmental Catalyst Div. |
|---|---|
| Contact Form | |
| TEL | 81-3-5436-8479 |
| FAX | 81-3-5436-8680 |