order to commence是什么意思

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Predictions Catalytic Distillation Column Start-up Processes Via Artificial Neural Network;

用人工神经网络预测催化精馏塔开工过程的研究

The start-up scheme of JN60-6 type large-volume coke oven in Benxi Iron & Steel Group Co.

介绍了本溪钢铁公司JN60-6型大容积焦炉的开工方案,详述了焦炉改为正常加热、装煤、接通集气管等操作。

The process design,start-up,commissioning and other circumstances were mainly introduced for Zhongxian Natural Gas Purification Plant in this paper,The features and the related problems of the plant were evaluated,and a few suggestions were proposed for design and commissioning of the gas purification plant.

主要对忠县天然气净化厂的开工试运、工艺设计等情况进行了介绍,对装置特点及存在问题进行了工艺评价,并对天然气净化厂在设计、试运中应注意的问题提出了一些看法。

The result of pilot plant test in a 60 L commercial unit shows that the catalyst has a short start up time and there is no exothermic phenomenon during the starting up process.

器外预硫化催化剂工业放大和在60L装置上的试验结果表明,该种催化剂的开工时间短、开工过程无集中放热现象。

A new method for sulfuric acid alkylation unit start up has been successfully adopted under the condition of inadequate iso butane concentration, so the requirement on iso butane purity for sulfuric acid alkylation unit start up has been greatly reduced and the unit has been smoothly started up.

在开工用异丁烷纯度不足的情况下,运用比较启发思维法,提出和应用新的开工方法,大幅度降低了对开工异丁烷纯度的要求,实现了硫酸法烷基化装置的顺利开工。

Techno-economical analysis and comparison of oxidation catalyst and sulfurization catalyst have been carried out based on the process technology and practical start up of two catalytic reforming units.

结合两套催化重整装置工艺技术和实际开工情况 ,对氧化态和硫化态两种形态催化剂进行了技术经济综合分析和对比 ,探讨了进一步改进硫化态催化剂经济性的可能性。

Improvements in Safe Startup of FCC Plants;

催化裂化开工的安全技术改进

Presents the startup,operation and calibration results of twice full load operation of the newly-built 1.

4 Mt/a加氢裂化装置的开工、运行情况以及装置两次满负荷的标定结果。

The result of its application in the first startup showed that, this new method i.

8Mt／aRFCC装置针对以往同类装置开工初期反应压力控制存在的诸多弊端，大胆提出了全新的控制方案：引再吸收塔油气至分馏塔充压，用DN600mm和DN200mm两种火炬阀配合节流控制反应压力，并应用在首次开工过程。

The factors affecting the economic benefits of refinery projects are studied,such as crude processing loss,operating capacity,turnaround time and inconsistency of prices of crude oil and oil products.

研究了炼油项目经济效益分析中存在的原油加工损失、全厂开工负荷、装置运行周期,以及原油与产品价格的联动不一致性等现实影响因素。