技术简介

该技术原子经济、工艺简单、环境友好，主要包括苯加氢氧化制环已酮、环已酮氨厅化制环已酮、环已酮厅多级重排制已内酷胺、已内酷胺新精制四个工艺过程。其核心技术为新型钦硅分子筛催化剂与反应-膜分离新反应工程集成的环已酮氨厅化技术、非晶态合金催化剂与磁稳定床集成的已内酷胺加氢精制新技术。

Introduction

This technology, featuring the atomic economy, simple process and environmental friendliness, mainlyincludes four processes: benzene hydroxylation to cyclohexanone, cyclohexanone ammoxidation tocyclohexanone oxime, cyclohexanone oxime multi-stage rearrangement to caprolactam and new refining ofcaprolactam, The core technologies are the new ammoniation technology of cyclohexanone ammoxidationintegrated with silica molecular sieve catalyst and reaction-membrane separation project and the newhydrofining technology of caprolactam integrated with amorphous alloy catalyst and magnetic stable bed.