Acetaldehyde Plant
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Acetaldehyde production includes 3 primary process: acetylene hydration, ethylene oxidation, and alcohol oxidation. Helipont currently utilizes the alcohol oxidation process for the production acetaldehyde, because alcohol features a low costs and a wide usage range. It also features a low conversion rate. We use double towers for absorption- one tower for circulation absorption, and the other for a spraying absorption and recycling plant in order to obtain the best consumption.
Flow chart
Main Equipment for Acetaldehyde Plant
- Evaporator
- Oxidation tower
- Absorption tower
- Mix the alcohol material.
- After removing impurities such as dust via air filter, the outside air enters the evaporator via the roots blower.
- Mixed alcohol and air react in the evaporator and generate acetaldehyde.
- Cool down the acetaldehyde and unreacted alcohol.
- Rectify the acetaldehyde.
Annotation: for more information, please do not hesitate to contact us.
Performance| Name | Specification and Composition | Consumption quota |
| Alcohol | ≥95% | 1.170t/t |
| Name | Specification and Composition | 4.3t/t |
| Process Water | 25PPM（5℃）Chloridion | 6t/t |
| Steam | 0.8MPa（Gauge） | 3.0t/t |
| Instrument Compressed Gas | 0.6MPa（Gauge） | 7m3/t |
| Circulating Cooling Water | Water Inlet30℃, Water Outlet38℃, Water Pressure 0.35MPa | 410t/t |
| Chilled Water | Water Inlet7℃, Water Outlet12℃ | 160×104KJ/t |
| Electric | 380V 50Hz | 250KWH/t |
| Waste Water | Ethanol 0.03%, Acidity 0.25%, COD5000ppm, BOD2000ppm | 5t/t |
| Exhaust Gas | Acetaldehyde≤0.1%, CO+CO2 ≤0.8%, H2+ CH4 ≤1.2%, H2O≤1%, N2≥96% | 1.143t/t |
| Acetaldehyde Yield | 99.7%wt |
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