Process for the purification of benzaldehyde

Details Process for the purification of benzaldehyde Process for the purification of benzaldehyde

1982-01-20

1983-04-05

Sever, Frank

Distillation: processes, separatory

With chemical reaction

Including step of adding catalyst or reacting material

203 32, 568433, 568438, B01D 334

Patent

active

043790267

ABSTRACT:
A process for the purification in the presence of water of impure benzaldehyde by which a purified benzaldehyde is prepared which has improved color stability and improved olfactory characteristics. The process is comprised of the steps of treating the impure benzaldehyde simultaneously with water and a metal less noble than hydrogen followed by distillation.

REFERENCES:
patent: 1935914 (1933-11-01), Olson
patent: 2544562 (1951-03-01), Michael

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