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US3965164A Recovery of oxidation catalyst metals from adipic acid production 失效
从己二酸生产中回收氧化催化剂金属

Recovery of oxidation catalyst metals from adipic acid production
摘要:
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.
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