Raschig process


Also found in: Wikipedia.

Raschig process

[′rä·shik ′prä·səs]
(chemical engineering)
A method for production of phenol that begins with a first-stage chlorination of benzene, using an air-hydrochloric acid mixture.
References in periodicals archive ?
This behaviour is similar to that shown by Jeffrey and Wharton (1965) for the kinetics studies of the formation of hydrazine hydrate by raschig process where the yield at first increased rapidly with temperature from 75 to 160[degrees]C and then levels off at 160[degrees]C.