Recovery of oxidation catalyst metals from adipic acid productio

Details Recovery of oxidation catalyst metals from adipic acid productio Recovery of oxidation catalyst metals from adipic acid productio

1975-01-27

1976-06-22

Vertiz, Oscar R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260537P, 423 24, 423 63, C07C 5124, C07C 5500

Patent

active

039651649

ABSTRACT:
In a process for the production of adipic acid by nitric acid oxidation of cyclohexanol and/or cyclohexanone wherein copper and vanadium values are recovered by ion exchange means, the improvement which comprises utilizing the off-gas from the nitric acid oxidation to treat the solution being passed to the ion exchange zone.

REFERENCES:
patent: 3106450 (1963-10-01), Van den Berg
patent: 3148210 (1964-09-01), Johnson et al.
patent: 3186952 (1965-06-01), Brubaker et al.
patent: 3564051 (1971-02-01), Haarer et al.
patent: 3715320 (1973-02-01), Jeffries

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