1) ethylene separation process
乙烯分离工艺
2) ethylene separation
乙烯分离
1.
Recent progress in world ethylene separation technology were reviewed and compared including sequence process, front-end deethanizer process, front-end depropanizer process.
综述了世界乙烯装置分离技术特点与最新进展,对顺序流程、前脱乙烷、前脱丙烷等三大乙烯分离流程进行了分析比较。
3) extraction technology with ethyl alcohol
乙醇萃取分离工艺
4) separation technology
分离工艺
1.
Based on the disadvantages of separation technology of one-step dimethyl ether synthesis,a new separation technology,called "high pressure absorption,pressure swing adsorption" was put forward.
基于现有的一步法合成二甲醚分离工艺存在的种种缺陷,文章提出了一种新的分离工艺-"高压吸收、变压分离",并在此工艺的基础上,研发了新的分离设备-NS倾斜立体长条复合塔板(用于大气量、小液量的吸收塔板)和用于分离高纯度二甲醚的解吸精馏塔板,主要介绍塔板的特性、操作原理及工业应用。
5) Separation process
分离工艺
1.
When doing the process design for nanofiltration separation of high concentration waste liquid, the first step is to finish the separation process tests, by the tests, the mathematical functions for nanofiltration separation rule, model and membrane fouling should be determined.
当进行高浓度废液纳滤膜分离工艺设计时,必须首先进行纳滤膜分离工艺试验,通过工艺试验确定:纳滤膜型号,完成膜的筛选工作;确定纳滤膜分离规律、分离模型、膜污染规律。
2.
Two kinds of separation processes,featured with post- or pre-water washing,were designed based on results from engineering experiment,which were simulated with the Aspenplus professional software.
对MTBE裂解制异丁烯分离工艺进行了研究 ,在分离实验的基础上 ,设计了前水洗和后水洗两种分离工艺流程 ,采用Aspenplus软件对这两种分离流程进行模拟。
3.
High vacuum low bottom temperature ethyl benzene dehydrogenation liquid separation process is a kind of separation process with lower ethyl benzene loss since ethyl benzene is heated only twice in this process.
高真空低釜温乙苯脱氢液分离工艺 ,苯乙烯只经历 2次加热 ,是一项苯乙烯低损耗的分离工艺。
补充资料：聚氯乙烯/乙烯-醋酸乙烯共聚物共混物
分子式：
CAS号：
性质：系聚氯乙烯与乙烯-醋酸乙烯共聚物或氯乙烯接枝乙烯-醋酸乙烯共聚物组成的共混物。醋酸乙烯含量30％～45％左右的EVA共聚物可作为聚氯乙烯的冲击改性剂，加入5～8份可使简支梁缺口冲击强度达20kJ/m2以上，且耐候性好。用于门窗型材等户外使用的塑料建材方面，高醋酸乙烯含量的共聚物可作为增塑聚氯乙烯的永久型增塑剂，用于软制品方面。
CAS号：
性质：系聚氯乙烯与乙烯-醋酸乙烯共聚物或氯乙烯接枝乙烯-醋酸乙烯共聚物组成的共混物。醋酸乙烯含量30％～45％左右的EVA共聚物可作为聚氯乙烯的冲击改性剂，加入5～8份可使简支梁缺口冲击强度达20kJ/m2以上，且耐候性好。用于门窗型材等户外使用的塑料建材方面，高醋酸乙烯含量的共聚物可作为增塑聚氯乙烯的永久型增塑剂，用于软制品方面。
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