高校化学工程学报2016，Vol.30Issue(2)：378-383,6.DOI:10.3969/j.issn.1003-9015.2016.02.018
微管内环己烷无催化氧化工艺条件对产物分布影响研究
Effects of Process Conditions on Products Distribution of Cyclohexane Non-Catalytic Oxidation in Microcapillary
摘要
Abstract
Cyclohexanone and cyclohexanol are important raw materials for caprolactam production, and their production from non-catalytic oxidation of cyclohexane still has problems in safety and time space yield. In this paper, non-catalytic oxidation of cyclohexane was investigated in a microcapillary reactor which was made by a stainless steel tube with diameter of 1 mm and length of 5 m. Such tubes have good safety records and excellent mass and heat transfer properties. Effects of temperature, pressure, gas-liquid molar ratio and residence time on catalytic performance were studied. When the reaction is couducted under conditions of temperature 180℃, pressure 1.5 MPa, gas-liquid molar ratio 0.3 and residence time 1.5 min, the results show that the conversion of the non-catalytic cyclohexane oxidation is 3.93%, and the selectivities of cyclohexanol, cyclohexanone, adipic acid and CHHP are 23.39%, 35.95%, 26.71% and 4.78%, respectively. This study indicates that cyclohexane non-catalytic oxidation in microcapillary tubes to produce KA oil is feasible with good safety and short reaction time, which provides references to slow reaction in microcapillary.关键词
微管反应器/环己烷/无催化氧化/环己酮/产物分布Key words
microcapillary reactor/cyclohexane/non-catalytic oxidation/cyclohexanone/product distribution分类
化学化工引用本文复制引用
刘懿,朱明乔,王磊,陈新志,卢建刚..微管内环己烷无催化氧化工艺条件对产物分布影响研究[J].高校化学工程学报,2016,30(2):378-383,6.基金项目
浙江省自然科学基金(Y4080247)；浙江省重大科技计划项目(2010C01035)；广西石化资源加工及过程强化技术重点实验室开放课题基金(K002)；工业控制技术国家重点实验室开放课题基金(ICT1224)。 （Y4080247）
