Acetaldehyde Plant

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Description of Acetaldehyde Production Process

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 Production Process 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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