The cyclohexanone column was used to separate cyclohexanol and cyclohexanone by the difference of their boiling points in production of hexanolactam.
在己内酰胺生产过程中，环己酮蒸馏塔的作用是利用环己酮与环己醇沸点差异，将二者分离。
2
The wastewater of hexanolactam (nylon) fiber production in Shijiazhuang Synthetic Fiber manufactory is high concentrated with organic nitrogen compounds.
己内酰胺锦纶化纤废水属于高含氮高浓度有机废水。
3
The trends of direct oxidation of cyclohexanone to hexanolactam and developments of different routes in preparation of feed stocks of nylon-66 are also described.