Tetramethyltetrahydronaphthalene purification process

Details Tetramethyltetrahydronaphthalene purification process Tetramethyltetrahydronaphthalene purification process

1986-09-02

1987-09-22

Metz, Andrew H.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By addition of extraneous agent, e.g., solvent, etc.

585425, 208 50, C07C 1520

Patent

active

046956719

ABSTRACT:
An improved process for the removal of by-product amounts of undesirable aromatic hydrocarbon compounds from a mixture comprised of such compounds and predominantly tetramethyltetrahydronaphthalene is provided. In accordance with the process the mixture is contacted with a concentrated sulfuric acid solution whereby the undesirable aromatic hydrocarbons are dissolved therein and the acid phase containing said hydrocarbons is removed from the mixture.

REFERENCES:
patent: 2780662 (1957-02-01), Wilson
patent: 2875257 (1959-02-01), Thompson
patent: 2955144 (1960-10-01), Sisco et al.
patent: 3311669 (1967-03-01), Bushiok
patent: 3412168 (1968-11-01), Masciantonio
patent: 3856875 (1974-12-01), Wood et al.

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