混合二甲苯

混合二甲苯结晶分离的新工艺

A New Process for Xylol Separation by Crystallization

苯乙烯和混合二甲苯的混合物，在合成硅铝酸催化剂存在下连续合成二芳基乙烷。

Diarylethane was synthesized continuously from a mixture of styrene and xylol with synthetic SiO_2-Al_2O_3 as catalyst .

MBfR降解混合二甲苯3种同分异构体之间仍然存在一定的抑制作用。

For the degradation of the isomers of mixed xylene , inhibition effect was observed .

在120℃、烷基苯配比为6、催化剂用量6%及反应时间2小时的条件下，由苯乙烯与混合二甲苯和邻二甲苯合成PXE的收率分别达76%和83%。

The yield of PXE was respectively 76 % or 83 % depending on the alkylbenzene used being xylol or o-xylene . The ratio of the alkylbenzene to styrene was 6 , the catalyst concentration was 6 % and the reaction time at 120 ℃ was 2 hours .

混合二甲苯分离装置乙苯分离系统的改造

Revamping of ethyl benzene tower in mixed xylenes separation unit

羟胺酸钴配合物催化混合二甲苯的选择性氧化

Selective catalytic oxidation of mixed xylene by hydroxamic acid cobalt complex Co ( BPHA ) _2

复合式石油钻井钻机GB3407-1990石油混合二甲苯

Mixed oil drilling rig Petroleum xylene

混合二甲苯氧化的研究

Studies on Oxidation of Xylol

T406型脱氯剂已工业应用于混合二甲苯和氢原料的脱氯，使用效果良好。

This agent has been commercially used in the dechlorination of mixed xylenes and hydrogen feedstocks with good results .

采用多柱串联连续吸附流程，利用模拟移动床从混合二甲苯中分离间二甲苯。

With the continuous adsorption process of the columns in series , m xylene was separated from mixed xylene by analog moving bed .

采用混合二甲苯二组分物系的固液相平衡方程及物料衡算和热量衡算方程对混合二甲苯连续悬浮结晶工艺进行模拟计算。

The continuous suspension crystallization process for xylene separation was optimized by calculation of solid-liquid phase equilibrium , material balance and energy balance .

目前采用吸附分离的模拟移动床工艺来分离提纯混合二甲苯的单组分异构体，是一种有效的方法，从而可以提高产品附加值和资源利用率。

It is necessary to find an effective method to separate isomer from the mixture to enhance the efficiency and extra value of the product .

本文着重针对模拟移动床装置应用于从混合二甲苯分离出对-二甲苯过程的专利工艺&Parex工艺，进行动态模型研究。

The devices of simulated moving bed were used of separating of the P-xylene from the mixed xylene process which is known as patented process-Parex process .

混合二甲苯因其工业产量高，组分大多都是重要的化工原料，因此，混合二甲苯分离技术已成为工业分离中的研究热点。

Since the industrial output of mixed xylene is high , and its components are important chemical raw materials . Therefore , mixed xylene separation technology has become a research focus in the industrial separation .

针对甲苯选择性歧化工艺能生产含高浓度对二甲苯的混合二甲苯、但不能处理C9A的特点，提出在芳烃联合装置中将甲苯选择性歧化和传统歧化组合在一起的组合工艺。

In view of the fact that selective disproportionation process , though high in p-xylene concentration in the product , is not able to convert C 9A , a new process is proposed combining toluene selective disproportionation process with traditional toluene disproportionation process in the aromatic complex unit .