Process for oxidation of cyclohexane
A technology of cyclohexane and cyclohexanone is applied in the directions of organic chemistry methods, chemical instruments and methods, oxidation reaction preparation, etc., and can solve problems such as being unsuitable for removal
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[0014] Disclosed herein is a process for the oxidation of cyclohexane that will generally produce an NVR by-product with a low Cr content. In the process of the present invention, cyclohexane is contacted with air in an air oxidizer (1) at a temperature of about 100°C to about 175°C. Air oxidizers can be oxidation towers, stirred or non-stirred tank reactors, stirred or non-stirred autoclaves. The air oxidizer wake is in contact with water. The ratio of air oxidizer wake to water was about 100:1. After separation of the aqueous phase (2), the cyclohexyl hydroperoxide is decomposed into K and A (3).
[0015] Decomposition of CHHP can be accomplished by, for example, using thermal decomposition, catalytic decomposition, catalytic hydrogenation or other catalytic methods, such as using gold catalysts. Thermal decomposition takes place at relatively high temperatures (120-175° C.) and for long durations.
[0016] CHHP hydrogenation is carried out using a heterogeneous catalyst...
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