环己酮肟

分光光度法测贝克曼重排产物中的微量环己酮肟

Determination of trace cyclohexanone oxime in Beckmann rearrangement product by spectrophotometry

离子液体系中催化环己酮肟重排制己内酰胺

Catalytic Beckmann Rearrangement of Cyclohexanone Oxime into ε - Caprolactam in Ionic Liquids

P2O5液相催化环己酮肟重排制己内酰胺

Beckmann rearrangement of cyclohexanone oxime into caprolactam catalyzed with phosphorus pentoxide

环己酮肟气相Beckmann重排反应B2O3/TiO2-ZrO2催化剂的失活与再生

Deactivation and Regeneration of B_2O_3 / TiO_2-ZrO_2 Catalyst for Vapor Phase Beckmann Rearrangement of Cyclohexanone Oxime

B2O3/TiO2-ZrO2催化环己酮肟气相Beckmann重排反应的研究Ⅰ.B2O3含量的影响

Study on Vapor-Phase Beckmann Rearrangement of Cyclohexanone Oxime over B_2O_3 / TiO_2-ZrO_2 Catalyst ⅰ . Effect of B_2O_3 Loading

环己酮肟在改性氧化锆催化剂上的Beckmann重排反应Ⅲ.B2O3对ZrO2的改性效应

Vapor phase Beckmann rearrangement of cyclohexanone oxime on modified zirconia catalysts ⅲ . modification effect of boron oxide on zirconia

TiO2-ZrO2制备条件对B2O3/TiO2-ZrO2催化环己酮肟气相Beckmann重排反应的影响

Effects of Preparation Conditions of TiO_2-ZrO_2 on Vapor-Phase Beckmann Rearrangement of Cyclohexanone Oxime over B_2O_3 / TiO_2-ZrO_2 Catalyst

环己酮肟气相Beckmann重排制己内酰胺催化剂研究进展

Advances in the Research on the Catalysts for VaporPhase Beckmann Rearrangement of Cyclohexanone Oxime to Caprolactam

环己酮肟在RBS-1催化剂上的气相Beckmann重排反应

Vapor phase Beckmann rearrangement of cyclohexanone oxime over RBS - 1 catalyst

其次，在离子液体和催化剂组成的反应体系中进行了环己酮肟的Beckmann重排反应研究。

Then , Beckmann rearrangement of cyclohexanone oxime has been studied in catalytic medium composed of ionic liquids and catalysts .

环己酮肟Beckmann重排反应是己内酰胺生产中重要的工艺过程之一。

Beckmann rearrangement of cyclohexanone oxime to ε - caprolactam is one of the most important processes in the production of ε - caprolactam .

采用不同极性的溶剂作为环己酮肟的溶剂，考察了溶剂极性对B2O3/TiO2-ZrO2催化环己酮肟气相Beckmann重排反应性能的影响。

The effect of solvents with different polarity on the catalytic performance of B_2O_3 / TiO_2-ZrO_2 catalyst for vapor-phase Beckmann rearrangement of cyclohexanone oxime to caprolactam was studied .

以肟化塔的优化操作为背景，测定了环己酮肟和环己酮在甲苯和磷酸缓冲溶液中的分配系数，考察了pH值和磷酸根浓度等因素对其平衡关系的影响。

The distribution coefficients of cyclohexanone and cyclohexanone oxime between toluene and aqueous phosphate buffers were measured in order to study the optimal operation of the oxime tower . The effects of various factors on the equilibrium , including pH and initial concentration of aqueous phosphate solution , were investigated .

本工作以固体磺酸代替液体发烟硫酸作为催化剂，研究了温和条件下环己酮肟的液相Beckmann重排反应，考察了不同种类的固体磺酸催化体系。

In this work , we explored the liquid-phase Beckmann rearrangement of cyclohexanone oxime under mild condition by using solid sulfonic acid instead of liquid fuming sulfuric acid as catalysts .

研究了silicalite1分子筛的不同后处理方法对其催化环己酮肟Beckmann重排制己内酰胺性能的影响，这些方法包括水（或氨）蒸气处理以及在碱性、酸性或中性条件下用NH4NO3处理。

Silicalite-1 was treated in various ways including steam treatment with water or ammonia , and treatment with ammonium nitrate aqueous solutions under acidic , neutral or basic conditions . Their catalytic performance for the vapor-phase Beckmann rearrangement were investigated .

Pd/C催化硝基环己烷氢化制备环己酮肟

Hydrogenation of nitrocyclohexane to cyclohexanone oxime catalyzed by Pd / C

环己酮肟贝克曼重排反应动力学

Kinetics of Beckmann Rearrangement Reaction of Cyclohexanone Oxime for Caprolactam

GB/T13255.8-1991工业己内酰胺环己酮肟含量的测定

Caprolactam for industrial use-Determination of cyclohexanone oxime content

环己酮肟转位反应系统设计优化

Design Optimization of Cyclohexanone Oxime Transfer Reaction System

环己酮肟气相贝克曼重排反应的研究进展

Research Development of Cyclohexanone-Oxime Gas Phase Beckmann Rearrangement

环己酮肟是生产具有广泛用途的己内酰胺的中间体。

Cyclohexanone oxime is an important fine chemical intermediate and widely used in producing caprolactam .

综述了环己酮肟贝克曼重排反应生产ε-己内酰胺研究进展。

The paper summarizes the development of Beckmann-rearrangement process which produces caprolactam from the cyclohexane oxime .

催化环己酮肟贝克曼重排反应研究进展

Research Progress on the Producing of ε - Caprolactam Using Cyclohexane Oxime Beckmann - rearrangement Process

对环己酮肟气相贝克曼重排反应工艺和催化剂的研究进展进行了综述。

Expounds comprehensively on research and development of cyclohexanone-oxime gas phase Beckmann rearrangement reaction process and catalyst .

建立了环己酮肟重排反应混合物中游离肟含量的测定方法。

Diazo coupling reaction spectrophotography has been developed for the determination of cyclohexanone oxime in Beckmann rearrangement mixture sample .

同时简略介绍了产品应用发展，特别是其在环己酮肟、环氧丙烷等生产工艺中的应用发展。

Simultaneously the development of product applications especially in the production of cyclohexanone oxime , propylene oxide , etc are briefly involved .

目前，工业上生产己内酰胺的最后一个步骤是环己酮肟的贝克曼重排反应，它是在发烟硫酸或浓硫酸的催化下进行的。

At present , the last step of commercial processes for caprolactam is Beckmann rearrangement of cyclohexanone oxime Catalyzed by fuming sulfuric acid or concentrated sulfuric acid .

环己酮肟是生产ε-己内酰胺的重要中间体，世界上90%的ε-己内酰胺都是由其重排得到的。

Cyclohexanone oxime is the most important precursors of ε - caprolactam for nylon production , 90 % of caprolactam is produced by it in the world .

本文建立了己内酰胺液相重排反应转位酯中环己酮肟含量的测定方法，为环己酮肟液相重排反应动力学的研究奠定了基础。

Method of determination of cyclohexanone oxime concentration in esters gained in liquid phase Beckmann rearrangement is set up in the paper , which is a basis of the above reaction kinetics .

以苯为原料己内酰胺生产工艺中，环己酮肟是关键中间体，传统工艺大多采用环己酮-羟胺法。

Cyclohexanone oxime is one of the most important intermediate in the industrial caprolactam technology in which benzene is used to be raw material . Conventionally it is synthesized in the cyclohexanone-hydroxylamine process .