ethyl benzene

the catalytic activity of them for the oxidation of ethyl benzene by dioxygen was examined.

将它们用于分子氧对乙苯的催化氧化过程，初步考察了它们的催化活性。

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analysis of the cracking of welding seam on ethyl benzene over-heater in styrene plant

苯乙烯装置乙苯过热器焊缝开裂原因分析

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furthermore, the utility model also relates to a reaction system for removing multi-feeding dynamic coupling which is used to produce ethyl benzene.

另外，本实用新型还涉及一种用于制备乙苯的能消除多股进料动态耦合的反应器系统。

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the possibility of preparing p-methyl styrene from p-ethyltoluene by dehydrogenation on iron oxide catalyst originally used for dehydrogenation of ethyl benzene was studied.

探讨了乙苯脱氢的氧化铁系催化剂用于对乙基甲苯脱氢制取对甲基乙烯的可能性。

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the conversion rate of ethyl benzene has been maintained at 30% to 35% and the px content in xylene at about 22% during the whole production period.

在整个生产周期中乙苯转化率保持在30%-35%，二甲苯中PX质量分数在22%左右。

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Ethyl-4'-cyano-phenyl Carboxylic ester, a liquid crystal compound, was prepared from ethyl benzene by reaction of Friedel-Crafts, haloform, acylation and esterification in 44.8% overall yield.

以乙基苯为原料，经付-克反应、卤仿反应、酰化和酯化合成了液晶化合物对乙基苯甲酸对氰基苯酚酯，四步总收率44.8%。

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Technical Economics Analysis of Ethyl Benzene/ Styrene Separation

乙苯/苯乙烯分离工艺技术经济分析

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in result, the scheme of producing 100,000 t/ a styrene by distillation was developed, through which the purity of styrene reach 99.6%, ethyl benzene 99.8% and toluene 98%.

采用该方案所得到的苯乙烯产品纯度可达99.6%，循环乙苯浓度为99.8%，副产品甲苯浓度为98%。

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the ethylene conversion of alkylation is 100% and the selectivity of ethyl benzene is more than 86.5%;

烷基化反应的乙烯转化率达100%，乙苯选择性平均在86.50%以上；

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the kinetics of liquid-phase oxidation of ethyl benzene using ethyl benzene hydroperoxide as an initiator has been studied in the temperature range of 130 ℃ to 160 ℃ for semi-batch operation.

研究了在半间歇操作条件下，在130&160℃的温度范围内，用乙苯氢过氧化物作引发剂的乙苯液相氧化反应动力学。

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Study on online simulation and optimization operating system for the ethyl benzene/ styrene distilling apparatus

乙苯/苯乙烯精馏塔在线模拟与优化操作系统

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A study on the alkylation of benzene with ethanol to ethyl benzene

苯与乙醇烷基化制乙苯的研究

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, and the pyrolytic products of WPS were benzene, methyl benzene, styrene and ethyl benzene which were identified by GC. Methylbenzene was used as the internal stand.

通过气相色谱分析可知，裂解产物为苯、甲苯、苯乙烯和乙苯。

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N, N dibutyl o ethyl aniline ( DBEA) was synthesized with o nitro ethyl benzene by reduction and alkylation.

以氯霉素生产中的副产物邻硝基乙苯为原料，经铁酸还原和相转移催化N－烷基化反应合成了N，N－二丁基邻乙基苯胺（DBEA）。

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high vacuum low bottom temperature ethyl benzene dehydrogenation liquid separation process is a kind of separation process with lower ethyl benzene loss since ethyl benzene is heated only twice in this process.

高真空低釜温乙苯脱氢液分离工艺，苯乙烯只经历2次加热，是一项苯乙烯低损耗的分离工艺。

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practice have been carried on the production process of ethyl benzene and starch content prediction, and the results show that the software can fulfill the function of trend prediction.

通过对化工生产过程苯乙烯装置乙苯含量和淀粉含量的建模软测量应用，结果表明软件能够实现软测量的趋势预测功能。

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it is showed that the industrial application of the circulation process for liquid phase is a new and advanced method for production of ethyl benzene.

工业应用结果表明液相循环工艺是一种新的、先进的生产乙苯的方法。

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Benzene, toluene and ethyl benzene in air were determined in-site by a portable gas chromatograph with microwave induced plasma ionization detector using Ar as carrier gas and support gas.

利用便携式微波等离子体离子化检测器（MIPID）气相色谱仪，以氩气为载气和工作气体，测定了空气中的苯、甲苯和乙苯。

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research on the energy recovering and utilization of the dehydrogenation process of ethyl benzene in a styrene plant

苯乙烯装置中乙苯脱氢过程能量回收利用的研究

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Determination of Benzene, Toluene and Ethyl Benzene in Air by Portable Gas Chromatograph with Microwave Induced Plasma Ionization Detector

用便携式MIPID气相色谱仪现场测定空气中的苯、甲苯和乙苯

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The Mathematical Model and Optimal Design of the Adiabatic Reactor for Dehydrogenation of Ethyl Benzene

乙苯脱氢绝热反应器的数学模型和设计优化计算

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revamping of ethyl benzene tower in mixed xylenes separation unit

混合二甲苯分离装置乙苯分离系统的改造

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the technology for producing styrene by catalytic dehydrogenation of ethyl benzene has been matured, and applied to large-scale industrial plants.

乙苯催化脱氢制苯乙烯过程的工艺是成熟的，并有大型工业装置。

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Optimization of final stage operating conditions of reverse alkylation in ethyl benzene plants

乙苯装置反烷基化反应末期操作工况的优化

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Methods of qualitative and quantitative analysis for benzene, toluene, ethyl benzene, dimethyl benzene in blood and urine.

血、尿中的苯 、 甲苯 、 乙苯 、 二甲苯的定性及定量分析方法.

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coking kinetics on catalyst during alkylation of fcc dry gas with benzene to ethyl benzene

催化裂化干气与苯烷基化制乙苯催化剂上积炭动力学

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Simulation of Axial-Radial Reactor and Its Application to Ethyl Benzene Dehydrogenation Plant

轴径向反应器的模拟及其在乙苯脱氢装置的应用

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The technology feature is to separate ethyl benzene and styrene by single tower.

其工艺特点是用单塔流程分离乙苯与苯乙烯。

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long term commercial test indicates that the development of the axial-radial reactor for ethyl benzene dehydrogenation is successful.

工业实践表明乙苯脱氢轴径向反应器的开发是成功的。

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the paper introduces new developments in dehydrogenation of ethyl benzene to prepare styrene and the separation technique.

本文介绍了乙苯脱氢制苯乙烯的分离精制工艺技术的新进展。

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