| 1. | Separation on the aqueous ester solution by extractive distillation with salt 加盐萃取精馏分离酯水溶液的研究 |
| 2. | A process of salt extraction with azeotropic distillation for extractlower water ethanol from fusel oil 杂醇油加盐萃取精馏提取低水乙醇的研究 |
| 3. | Method for chemical analysis of tantalum - niobium ores - determination and separation with silica gel - thiocyanate extraction photometric method 硫氰酸盐萃取光度法测定铌量 |
| 4. | Methods for chemical analysis of tantalum and niobium ores - determination of niobium content - preconcentration and separation with silica gel - thiocyanate extraction photometric method 钽矿石铌矿石化学分析方法硅胶富集分离-硫氰酸盐萃取光度法测定钽量 |
| 5. | A new process of extraction distillation with salt was developed for the triple azeotropic system of methyl acetate - ethanol - water and the selective method of the solvent and salt were studied 本文针对乙酸甲酯?乙醇?水三元共沸体系,提出了加盐萃取精馏的工艺过程,并对盐的选择和萃取剂的选择方法进行了研究。 |
| 6. | Application of the combined experiment design method to ethanol - water system has shown it ' s able to use for determination of the appropriate conditions for salt effect in extractive distillation with salt of binary close boiling or azeotropic mixtures 联合试验设计法在乙醇-水体系的应用表明:该法可用于二元共沸、近沸体系的加盐萃取精馏过程中盐效应适宜条件的确定。 |
| 7. | Glycol was the fit solvent . one set of extractive experiment equipment with continuously feed was designed and established to validate the extractive distillation and extractive distillation with salt . good results of the two technology processes and the extractive solvent recycling experiment were gained respectively 本文还设计安装了一套实验室连续进料萃取装置进行工艺的验证实验,对萃取精馏和加盐萃取精馏工艺流程分别进行了验证,并对萃取剂的回收利用进行了实验,取得了良好的效果。 |