Silver Catalyst Process Formaldehyde Plant
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Currently, the silver catalyst process is the most common formaldehyde process, accounting for about 70% of the various formaldehyde production devices all over the world. According to Helipont’s experience, the improvement for this process is primarily divided into the following two types:
Production Process Technical Index| Project | Normal process | Formaldehyde Plants with Off-Gas Circulation | Formaldehyde Plants with Flue-Gas Circulation |
| Methanol consumption | 445kg/t | 442kg/t | 438kg/t |
| concentration | 37-45% | 37-55% | 37-52% |
| Methanol content | ≤1.0% | ≤1.0% | ≤1.0% |
| Electricity consumption | 25kw | 28kw | 28kw |
| By-product steam | 600kg | 650kg | 650kg |
- Evaporator
- Oxidizer
- Absorption tower
- Off gas treatment
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