Published May 1979
PEP Report No. 79, issued in 1972, presented designs and cost estimates using the information then available in print on processes for production of the three dihydroxybenzene isomers: pyrocatechol (the ortho-isomer), resorcinol (meta), and hydroquinone (para).
Since that time, further technical data have been published on a number of processes for hydroquinone manufacture. The present report gives process design and economic information on five of these newer processes. The processes are:
- Hydroquinone via p-Diisopropylbenzene--Dihydroperoxide Separation by Extraction.
- Hydroquinone via p-Diisopropylbenzene--Dihydroperoxide Separation by Crystallization.
- Hydroquinone from Phenol by Hydroxylation.
- Hydroquinone from Phenol via Bisphenol A.
- Hydroquinone from Phenol and Oxygen.
Other PEP Related Reports:
