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- Keywords isopropanol deasphalting;extraction tower;flat-ring packing;structured packing;technical reconstruction; 异丙醇脱沥青;萃取塔;扁环填料;规整填料;技术改造;
- isopropanol deasphalting 异丙醇脱沥青
- The best concentration of isopropanol in the mobile phase is 1%. 流动相中异丙醇体积分数以1%25为最佳。
- Results: The average callback rate, Isopropanol was 100.88%. 结果:平均回收率丙醇100.;88%25。
- Glass rod, Stainless steal container, Isopropanol(analytical pure). 玻璃棒;不锈钢容器;异丙醇(分析纯)。
- The best results were obtained using ethanol and isopropanol. 初步尝试出乙醇和异丙醇为较好的溶剂。
- There is an equilibrium distribution relationship between DIPE and isopropanol. 产物异丙醇和二异丙基醚间存在平衡分布。
- Propane solvent deasphalting of Oman and Iran VR blended with furfural extracts was inspected with RUSKA PVT equipment. 在RUSKA相平衡装置上研究了阿曼和伊朗渣油掺炼糠醛抽出油的丙烷溶剂脱沥青过程。
- The energy balance for reformed propane deasphalting unit was analysed.And the energy conservation trend was pointed. 对改造后的丙烷脱沥青装置能量平衡进行分析并提出今后的节能方向。
- The flour is mixed in a solution of lactic acid in aqueous isopropanol and left to stand. 将面粉与含有异丙醇的乳酸水溶液混合并保持该状态一段时间。
- The developing trends of solvent deasphalting was explored,such as wide application of the heavy mixed C4 s... 探讨了溶剂脱沥青工艺的发展趋势,如广泛使用混合C4等重溶剂,发展和完善组合工艺,综合利用脱沥青油组分等。
- After salt out process and regular distillation, the recycling purity of isopropanol can reach above 98%. 经盐析后,只需经普通蒸馏,异丙醇回收纯度即可达到98%25以上。
- So some renovations should be made,for example,increasing the solvent ratio of propane deasphalting;using hydrofinishing instead of clay treating;mo... 例如:增加丙烷脱沥青的溶剂比,用加氢补充精制代替白土精制等,此外,在含硫原油生产基础油时,对原油也应适当选择。
- Diisopropyl phosphite was directly synthesized from phosphorus trichoride and isopropanol by using the solvent method. 以三氯化磷与异丙醇为原料,用溶剂法合成了标题化合物。
- The revenue of the option of solvent deasphalting plus IGCC is 15.84%and the recovery period of investment is 7.24 years. 溶剂脱沥青加汽电一体化方案内部收益率15.;84%25,投资回收期7
- The alkylation of aniline with isopropanol was studied over HY molecular sieve catalysts. 研究了HY分子筛上苯胺和异丙醇烷基化反应。
- The reservoir bitumen was formed and precipitated in the porosity of the reservoir rock from the oil by thermal cracking, weathering and deasphalting. 储层沥青对储层的储集性能有重要影响,它可以大大降低储层的孔隙度和渗透率,改变储层的孔隙结构,甚至可以完全堵塞孔隙,形成圈闭的遮挡层。
- After salt out process and regular distillation,the recycling purity of isopropanol can reach above 98%. 经盐析后,只需经普通蒸馏,异丙醇回收纯度即可达到98%25以上。
- The phase characteristic of solvent deasphalting using Dagang residue light hydrocarbon of FCC as a stock, isobutane as a solvent was discussed. 以大港渣油及催化裂化澄清油为原料、异丁烷为溶剂,较为系统地研究了该体系的相特性。
- Triisopropyl phosphite was synthsized from phosphorus trichloride and isopropanol using pyridine as an organic base. 采用三氯化磷、异丙醇为原料,吡啶为有机碱合成亚磷酸三异丙酯。