Continuous reduction process

Details Continuous reduction process Continuous reduction process

1978-12-20

1980-08-12

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260509, 260510, 260580, 260378, 548363, 562433, 562456, C07C 8511, C07C14358, C07C14360, C07C14362

Patent

active

042173043

ABSTRACT:
A process for the reduction of aromatic nitro compounds to amino compounds in the liquid phase using iron as reducing agent, which comprises carrying out the reduction continuously such that the reducing iron, based on the amount of nitro compound present in the reactor, is present in an amount substantially in excess of the stoichiometric amount, and effecting the continuous removal of the reaction products such that the substantial excess of reducing iron is also constantly present in the reactor during the reduction.

REFERENCES:
patent: 2405137 (1946-08-01), Gale et al.
patent: 2619503 (1952-11-01), Benner et al.
patent: 3517063 (1970-06-01), Nason
patent: 3761521 (1973-09-01), Alheritiere et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd edition, vol. 2, pp. 83-91, 1963.

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