减压蒸馏

常减压蒸馏装置双模型结构RBF神经网络建模及其应用

Development of RBF neural network with double model structure and its application to atmospheric and vacuum distillation units

采用高温高压法合成了聚碳硅烷（PCS），通过改变合成条件与减压蒸馏温度的方法对PCS分子量及其分布进行调控。

Polycarbosilanes ( PCSs ) are synthesized at high temperature under high pressure . Synthesis processing and vacuum distillation of PCS are investigated .

胜利褐煤液化油的常减压蒸馏及NMR分析

Distillation and NMR analysis of Shengli brown coal liquefaction oil

用FIX组态软件开发常减压蒸馏装置的SCADA应用

Application of FIX configuration software to SCADA of atmospheric and vacuum distillation

原油API度直接影响常减压蒸馏的一次轻质油收率。

The API ° of crude oil has a direct influence on the yields of light oil in atmospheric and vacuum unit .

FCS在常减压蒸馏装置上的应用

FCS Application in Atmospheric and Vacuum Installation

并重点介绍了常减压蒸馏装置多变量预估控制器、软仪表的设计方法，DCS接口通讯及工程实施要点。

It introduces the design methods of multi-variable predictive control CDU and soft instrument , DCS communication interface and project realization of point .

改进常减压蒸馏工艺和设备减少VGO中铁离子

Improvement of crude distillation for minimizing ferric ions in VGO

超临界CO2萃取的大蒜油中的含硫有机物明显高于水蒸气减压蒸馏。

The relative contents of total sulfide composition of garlic oil by SFE-CO_2 were distinctively higher than that by steam distillation with reduced pressure . Formative mechanism of bioactive components was discussed .

待反应结束后，减压蒸馏除去溶剂DMF，并直接进行水解反应。

After the reaction completed , removed the DMF by vacuum distillation , and the hydrolysis has been done directly .

减压蒸馏法处理化工厂二硝基重氮酚（DDNP）废水

Treating DDNP wastewater from chemical works by underpressure distillation method

IMC-PID控制器在炼油厂减压蒸馏装置的应用研究

Development and Application of Robust IMC-PID Control in Vacuum Distillation Unit of Refinery

85℃下减压蒸馏脱臭15min。

The condition is 15 min in 85 ℃ with the vacuum distillation deodorization .

以复分解法制备硝酸羟胺（HAN）水溶液，用正交实验分析了反应温度、反应时间和减压蒸馏温度对反应产率的影响。

The double decomposition method is applied to prepare hydroxylammonium nitrate solution in this paper . The effects of the reaction time , reaction temperature and distillation temperature on the reaction output are analyzed by the orthogonal experiment .

GC分析结果表明：采用减压蒸馏及乙酸乙酯重结晶并用的方法精制的TMP纯度接近于试剂级TMP。

It is reveal by GC analysis that the purity of the TMP , treated by reduced pressure distillation and recrystallization in acetic ester , approximates to that of the reagent grade TMP .

随着原油中含硫量的大大增加，石油炼制过程中设备的H2S腐蚀变得日益严重。其中，常减压蒸馏塔顶冷凝水系统腐蚀问题尤为突出。

As the sulfur content of crude oil increased significantly , the H2S corrosion has become an important problem in oil refining industry , especially in an atmospheric distillation tower overhead system .

介绍了两种酸性脱钙剂（CJ型和RPD-2型）在常减压蒸馏装置的工业试验情况。

The commercial test of two decalcification agents CJ and RPD-2 in atmospheric and vacuum distillation unit is expounded .

分别对同时蒸馏萃取法（SDE法）、顶空吸附法（HSA法）和减压蒸馏萃取法（VDE法）提取绿茶香气后茶汤的主要生化成分进行了分析研究。

The main biochemical compounds of tea liquid were analysed after aroma extraction by SDE method , headspace absorb ( HSA ) method , vacuum distillation extraction ( VDE ) method .

由常减压蒸馏方法得到的蒸馏曲线用于描述液化油的馏程分布，H-NMR方法给出液化油的平均分子结构参数。

Distillation curve is for description flowing distribution of liquefaction oil . Average molecular structure parameters of liquefaction oil are calculated based on the data obtained from high resolution H-NMR technique .

TNT用量相同时，溶液悬浮法的样品比溶剂蒸发法具有更加致密的包覆效果，其摩擦感度较低。其次，采用减压蒸馏法，用包覆剂GAP对超细AP进行表面包覆。

When the amount of TNT is same , the coating effect was better and the friction sensitivity was lower , which was prepared by the solution suspension than solvent evaporation . Secondly , GAP was selected to coat AP by distillation under reduced pressure method .

最后，通过减压蒸馏和水洗法进行溶剂回收和产品精制，最终得到亮黄色的CLAs产品，纯度为97.4%。

Furfural was recycled by vacuum distillation and the product was washed by water . Finally , bright yellow CLAs product with the purity of 97.4 % was obtained .

本文详细介绍了该技术在6.0Mt/a常减压蒸馏装置应用情况。

In this paper , the application of the technology was introduced in detail in the 6.0Mt/a CDU .

PDO中残留羰基含量是影响PTT色泽的一个重要因素，经碱化减压蒸馏，可降低其残留羰基着色度、水分等。

The content of residual carbonyl in PDO was an utmost important factor connected with yellowness index of PTT . Subjected to alkalization and underpressure distillation , PTT contained less residual carbonyl and the heat dyeing ability and water content were improved .

确定的实验室最佳制备条件为：反应时间25min，反应温度60℃，减压蒸馏温度50℃。

The optimum reaction condition gained for laboratory is that the reaction time is 25 minutes , the reaction temperature is 60 ℃ and the distillation temperature is 50 ℃ .

简要概述了化工厂DDNP废水来源及水质，详细阐述了减压蒸馏法处理DDNP废水实现水闭路循环的机理、工艺流程。

In this paper , the source and water quality in DDNP - wastewater from chemical works are introduced . The paper formulizes the mechanism and technological process of treating DDNP wastewater and of realizing water closed cycle by underpressure distillation method .

本文介绍了WS-1油溶性缓蚀剂在炼油厂常减压蒸馏塔顶抽空冷凝系统的HCl-H2S-O2-H2O腐蚀介质中，对工艺设备、管线的缓蚀效果。

The newly developed imidazoline type corrosion inhibitor , WS-1 , was commercially used in the HCl-H_2S-O_2-H_2O corrosive medium in the cooling / condensing system at the top of crude oil distillation tower and its inhibition effect on corrosion of equipments and pipes was investigated .

应用分段减压蒸馏方法使产物与溶剂甲醇（MeOH）和过量试剂乙二胺（EDA）分离，在较低真空条件下（0.06MPa），MeOH和EDA的回收率高达98.1%。

The method of segment decompression distillation was applied to separate the product and excessive methanol ( MeOH ) and ethylene diamine ( EDA ) . Under the lower vacuum conditions ( 0.06MPa ), 98.1 % of the recovery for both MeOH and EDA was achieved .

以SC-203为原料，采用常、减压蒸馏和重结晶的工艺，可以获得纯度大于99.11%的联苯，收率68.3%；

The process of combining atmospheric-vacuum distillation with solvent recrystallization was adopted to extract biphenyl from SC-203 , the biphenyl with purity of 99.11 % and a yield of 68.3 % could be obtained ;

研究了新型中和缓蚀剂SF-121B和BZH-1在常减压蒸馏塔顶H2S-HCl-H2O腐蚀系统中的缓蚀效果，结果表明随着H2S浓度增加，腐蚀速率增加；

The effect of new neutralizing corrosion inhibitors , SF-121B and BZH-1 , for inhibiting carbon steel corrosion in H_2S-HCl-H_2O system on the top of atmospheric and vacuum distillation tower was studied . The result indicated that with the H_2S concentration increasing , the corrosion rate increased .

运用校验后的常减压蒸馏装置模型，对加工3.0Mt/a高硫高酸原油和加工2.0Mt/a沙轻原油的全流程进行了模拟及水力学计算。

The whole process simulation and hydraulic calculation for processing 60 000 b / d high sulfur high acid crude and 40 000 b / d Arabian light crude have been carried out with the verified models of atmospheric and vacuum distillation unit .