1) front-end hydrogenation process
前置加氢流程
4) front-end aromatics extraction process
前置抽提流程
5) front-end hydrogenation
前加氢
1.
This paper is briefly summarized the characteristic of the front-end depropanization and front-end hydrogenation process and the commercial test of the front-end hydrogenation catalyst developed by Beijing Research Institute of Chemical Industry at Daqing Petrochemical Company.
简述了乙烯装置中前脱丙烷前加氢工艺的特点和国产前加氢催化剂在大庆石化进行工业应用试验 的情况。
2.
More and more ethylene plants use C2 front-end hydrogenation in separation process because it can simplify the flow scheme,decrease capital investment and operating cost.
采用前加氢技术的分离流程的乙烯装置具有流程简单，设备投资少，操作费用低的优点。
3.
The key designing points for front-end depropanizer and acetylene front-end hydrogenation process in ethylene plant were stated.
提出了乙烯装置前脱丙烷前加氢流程设计应考虑的主要因素,比较并分析了这些因素对系统能耗、运转周期、可靠性、操作弹性等的影响。
6) hydroprocessing unit
加氢装置
1.
The equipment corrosion forms of hydroprocessing units in processing high-sulfur crude oils are described and corrosion mechanisms and harms are analyzed.
造成加氢装置设备腐蚀的主要介质有H_2,S,H_2S,NH_4HS和NH_4Cl等,其腐蚀形态主要有氢损伤、奥氏体不锈钢连多硫酸应力腐蚀开裂、Cr-Mo钢的回火脆化、H_2S腐蚀以及NH_4HS和NH_4Cl的腐蚀。
2.
s: The corrosion of the outlet piping of high-pressure air cooler of the hydrotreating unit and the outlet piping of the overhead air cooler of amine regenerator of the low-pressure acid gas desulfurizer of the heavy oil hydroprocessing unit was analyzed.
文章对胜利炼油厂蜡油加氢装置的临氢高压空冷器出口管线及重油加氢装置低压酸性气体脱硫系统胺液再生塔顶空冷器出口管线的腐蚀进行了分析 ,指出H2 S含量、介质流速、温度及材质是影响腐蚀的主要因素 ,并提出控制介质流速在 0 。
补充资料：廐置
1.亦作"厩置"。 2.驿站。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条