摘要
通过对3-羟基丙醛、丙烯醛等热敏性物质稳定性机理的研究,指出温度和受热时间是影响丙烯醛热稳定性的主要因素,开发了适用于3-羟基丙醛脱丙烯醛系统的复合型塔内件,使3-羟基丙醛脱丙烯醛系统的精馏塔处理能力提高50%,塔顶温度降低4~8℃,塔釜温度降低5~10℃,塔压降降低2~6 kPa,从而降低3-羟基丙醛、丙烯醛等热敏性物质的聚合倾向。
The stability mechanism of heat-sensitive materials is studied,it show that the temperature and heating-time is the important influence factor for heat-sensitive materials such as acrolein and 3-hydroxypropionaldehyde,using combination column internals can increase the distillation ability to 150%,the tower top temperature decreased 4-8℃,the tower bottom temperature decreased 5-10℃,the tower pressure dropped 2-6 kPa,and then decrease the polymerization possibility of acrolein and 3-hydroxypropionaldehyde.
出处
《现代化工》
CAS
CSCD
北大核心
2008年第S1期6-8,10,共4页
Modern Chemical Industry
关键词
精馏
复合塔板
热敏物质
聚合
distillation
combination tray
heat-sensitive materials
polymerization
