精馏

Directed against disadvantages existing in the conventional process and an improved process on the basis of test, a continuous recovery process of triethyl amine in producing glyphosate was proposed, realizing continuous neutralization and rectification of mother liquor, and was applied successfully in recovery of triethyl amines in producing 5 000 t/a of glyphosate for Fujian Sannong Group Co.

针对早期的三乙胺回收工艺和在小试基础上改进的回收工艺的缺点，提出了一种三乙胺连续回收工艺，实现了母液连续中和分层及精馏，并将此工艺成功地应用于福建三农集团公司5 000 t/a草甘膦生产过程的三乙胺回收中。关键词：草甘膦；三乙胺；重力层析器

Taking trimethylbenzene precise distillation for example,a new heat integration technology for energy saving was put forward.

以三甲苯精密精馏过程为实施案例，对多塔分离过程提出了热集成节能工艺。

Firstly, A precise batch-distilling tower, which would be adaptable to operate in industry or middle scale experiment, has been designed and set up. The optimized operation conditions of reflux (80?1), vaporing quantity ( 9~10 mL?min-1), and raw material concentration (60% mass of 2-methyl-1-butanol) were found.

首先在小试研究成果的基础上，放大设计并建造了适合2-甲基-1-丁醇与3-甲基-1-丁醇的分离的中试或小规模工业化生产的间歇精馏装置，并以此装置作为实验装置进行了工业化试验，得到了该塔的最优操作条件：回流比80、汽化量9~10ml/min、原料中2-甲基-1-丁醇的质量百分浓度约为60%。

This Paper has discussed the Properties of the calendered mettalic porous corrugated sheet filler, and the effects of using this corrugated sheet filler in the fatty acids distillation process, It suggests to set up a research topic on the problem to use this special corrugated sheet filler in the absorption of the end gas in tne oil extraction plant and indicates its gratifying possibility.

本文介绍了金属压延孔板波填料的特性，以及在脂肪酸精馏技术应用中的效果。提出了在油脂浸出尾气吸收工艺中，应用金属压延孔板波填料的研究课题及可能性。

In order to prolong the running cycle of producing high purity n-hexane from reformate raffinate through adsorption-distillation technology, coking of olefins in the channels of 5A molecular sieve and regeneration of coked 5A molecular sieve were studied by microstructure analysis.

为实现吸附-精馏耦合由重整抽余油生产高纯度正己烷工艺的长周期运行，采用微结构分析方法研究了烯烃在5A分子筛孔道中的结焦行为及失活分子筛的再生工艺。

Other separation processes are distillation, dust extraction, decanting, leach ing

别的分离过程有精馏、捕尘、倾析、浸取。。。。。。

Other separation processes are distillation , dust extraction, decanting, leaching

别的分离过程有精馏、捕尘、倾析、浸取。。。。。。

Influence of magnetizing treatment on rectification process of fatty acid

为进一步研究磁化处理对脂肪酸精馏过程的影响，在不同磁感应强度的磁场中，研究了磁化处理对脂肪酸物理性质的影响。

With the development of computer technology, the modeling and simulation of rectifying process already become the mainly tools on chemical technological design and operation.

随着计算机技术的飞速发展，精馏过程的模型化与仿真已成为化工工艺设计和操作分析的主要工具。

The research related to application of this technique was just launched in the United Sates in recent years.

本研究是以甲苯和氯气为原料，在光照条件下反应精馏合成氯化苄。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。