Process for extracting nitrohydroxyaromatics from aqueous soluti

Details Process for extracting nitrohydroxyaromatics from aqueous soluti Process for extracting nitrohydroxyaromatics from aqueous soluti

1987-08-12

1989-03-21

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568706, 568712, 568757, C07C 7922, C07C 3768

Patent

active

048145181

ABSTRACT:
The invention relates to a process for extracting nitrohydroxyaromatics from aqueous solutions. In this process, the extracting agent used is an amine salt which comprises an aliphatic amine having a total carbon number of 10 to 75 and a strong acid. The amine salt can be employed undiluted or diluted with an organic solvent.

REFERENCES:
patent: 3597351 (1971-08-01), Landenburg et al.
patent: 4418221 (1983-11-01), Yasuda et al.
patent: 4626605 (1986-12-01), Wojtech et al.
Winnacker-Kucher Chemische Technologie, 4th Ed., vol. 6 (Organic Technolgy II), ed. Harnisch et al., Carl Hanser Verlag, Munich, 1982, pp. 173-174.

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