化学交换精馏法分离同位素硼-10研究进展  

Advances in Boron-10 Isotope Separation by Chemical Exchange Distillation

作　　者：白鹏[1] 李晓峰[1] 李鑫钢[2] 骆淑莉[1] 

机构地区：[1]天津大学化工学院,天津300072 [2]天津大学精馏技术国家工程研究中心,天津300072

出　　处：《化工进展》2005年第5期471-474,共4页Chemical Industry and Engineering Progress

摘　　要：综述了化学交换精馏法分离同位素硼10的技术进展。在介绍化学交换精馏法分离同位素硼10原理的基础上, 分析了目前工业化过程分离同位素硼10 存在的问题, 指出新的络合剂硝基甲烷(CH3NO2 )、丙酮(Acetone)、甲基异丁基酮(MIBK)、二异丁基酮(DIBK)等用于从三氟化硼分离硼10 具有更高的分离系数, 形成的络合物具有更好的稳定性, 其中CH3NO2 是现有同位素硼10分离工艺过程较为理想的替代络合剂。Advances in boron10 isotope separation by chemical exchange distillation are reviewed. On the basis of introducing the principles of separating boron10 isotope by chemical exchange distillation, the problem in largescale boron10 production is discussed. Several new donors, including nitromethane, acetone, methyl isobutyl ketone (MIBK) and diisobutyl ketone (DIBK), which have a larger separation factor if used in separation are introduced. The com plexes between these new donors and boron trifluoride (BF 3) are more stable than the donors examined before. Among these new donors nitromethane could be a promising substitute for the donor in present use to develop new technology of separating boron10.

关 键 词：硼-10的分离 化学交换精馏法 三氟化硼 硝基甲烷 

分 类 号：TQ128[化学工程—无机化工]