Bioethanol Downstream Products

Ethyl Acetate Production by Ethanol Esterification

Ethyl acetate is produced by esterifying acetic acid with ethanol using sulfuric acid as the catalyst and a salt-based dehydration technology. The finished ethyl acetate meets GB/T 3728-2007, Ethyl Acetate for Industrial Use.

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Glacial Acetic Acid Production from Ethanol

Glacial acetic acid is produced from fermentation-derived ethanol by two-stage oxidation: ethanol is first oxidized to acetaldehyde, which is then further oxidized to acetic acid. The finished acetic acid meets GB 1903-2008, Food Additive — Glacial Acetic Acid.

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Acetaldehyde Production from Ethanol

Ethanol vapour is directly oxidized over a silver catalyst to produce dilute acetaldehyde, which is then concentrated by distillation to obtain the finished acetaldehyde product. Product specifications are: acetaldehyde ≥99.7% w/w; water ≤600 ppm; acidity ≤500 ppm.

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