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: 7-10. SHAN Tinliang. The design method of reactive distillation process based on quasi-binary approach[D]. Qingdao: Ocean University of China. School of Chemistry and Chemical Engineering, 2007: 7-10... method for running a batch distillation to fix the reflux ratio[J]. Computers and Applied Chemistry, 2007, 24(5): 650-652. [13] 吴微, 师佳, 周华, 等. 基于样条差值模型的间歇精馏模拟与预测控制[J]. 化工学报, 2012, 63(4): 1124-1131. WU Wei......
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Preparation and Characterization of La0.8Sr0.2MnO3-δ Cathode for SOFCs Fabricated Using Azeotropic Distillation Method Sun Kening1,Zhang Naiqing1,Zhou Derui1,Xu Shen1,Piao Jinhua1 (1.Department... by azeotropic distillation and sol-gel methods were prepared by firing at 1000 ℃ for 6 h, and the LSM sample, made by solid state reaction method was produced by sintering at 1400 ℃ for 18 h......
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for the preparation of higher-performance magnetostrictive material [1]. In general, vacuum distillation purification is an effective method to obtain high purity terbium metal. In this process, metallic terbium.... (in Chinese). [8] LI Guo-dong, LIU Yong-lin. Study on technology and optimization of purifying scandium metal by vacuum distillation method [J]. Journal of the Chinese Rare Earths Society, 2000, 18(2): 183-186......
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is the best method. The nanometer α-Al2O3 powder with non-aggregation can be manufactured using n-butanol azeotropic distillation and the average particle size is about 40 nm. key words: nanometer α-Al2O3... distillation; (c1), (c2)-n-butanol heterogeneous azeotropic distillation removed by freezing drying method by the agency of sublimation under reduced pressure. In order to obtain a satisfactory drying......
共沸蒸馏法制备超细氧化铝粉体及其表征 江祖成1,胡斌1,杜平武1,彭天右1 (1.武汉大学化学与环境科学学院化学系,武汉430072) 摘要:用改进的溶胶-凝胶法(sol-gel)制备了单分散纳米级Al2 O3粉体,研究了不同干燥方法对产品粒子性能的影响.结果表明,共沸蒸馏法能够有效地对氢氧化铝凝胶脱水,防止了硬团聚体的形成.在1150℃的温度下煅烧,可制得尺寸分布均匀,呈球形的α-Al2 O3超细粉体,其平均粒径为68nm.以透射电镜(TEM), X射线衍射( XRD),热重(TG),差热(DTA),比表面测定(BET)等手段对所得的超细Al2 O3粉体进行了表征. 关键词:溶胶-凝胶法; A12 O3粉体; 共沸蒸馏; 团聚体; sol-gel method; nanoscale alumina; heterogeneous azeotropic distillation......
Preparation and Characterization of La0.8Sr0.2MnO3-δ Cathode for SOFCs Fabricated Using Azeotropic Distillation Method朴金花,孙克宁,张乃庆,徐莘,周德瑞摘 要:<正>... distillation and sol-gel methods were prepared by firing at 1000℃for 6 h, and the LSM sample, made by solid state reaction method was produced by sintering at 1400℃for 18 h. The samples were characterized......