1) distilation
蒸馏提纯
1.
The ScF3 raw material was obtained from oxide by fluoration method with NH4HF2,and then reduced with calcium metal to yield low purity scandium metal that was further purified with vacuum distilation to high purity.
采用氟化氢铵氟化法制取氟化钪和选用高纯金属钙还原制取粗钪,再经真空蒸馏提纯可得相对纯度大于99。
2) retort
[英][rɪ'tɔ:t] [美][rɪ'tɔrt]
曲颈瓶;蒸馏器;提纯;反击
4) extractive distillation
抽提蒸馏
1.
Commercialization of sulfolane extractive distillation process in Qingdao Petrochemical apparatus;
环丁砜抽提蒸馏工艺在青岛石化苯抽提装置的应用
2.
Question for movement Of arene extractive distillation craftand the countermeasure;
芳烃抽提蒸馏工艺运行中存在的问题及对策
3.
A simply economic analysis in extractive distillation, sulfolane and Co - solvent extractive distillation, and solfolane Crafts was given.
比较了抽提蒸馏(ED)、重整汽油抽提蒸馏脱苯工艺(SED)和环丁砜工艺技术经济指标。
5) extractive distillation
提取蒸馏
6) stripping still
汽提蒸馏器
补充资料:铍蒸馏提纯
铍蒸馏提纯
distillation purification of beryllium
_________露一 真空蒸馏被装置示意图 1一保温翠;2一冷凝翠;3一冷凝铰;4一加热草; 5一氧化坡柑祸;6一保温套,7一彼熔体;8一隔热套 蒸馏前后金属被中杂质含t (质t分数坦/%)一P}zhengliu tiehun被蒸馏提纯(distillation purifieation of beryl-lium)在压力低于大气压的设备内加热金属铁熔体使之蒸发,再使其蒸气冷凝,以提纯金属被的过程。 将工业纯金属被置于纯氧化被增祸中(图),在1.33xl0一“一l.33Xlo一4Pa的真空中于1573一1723K温度下蒸发金属被熔体。增竭上部放置呈锥形的冷凝器,冷凝器由下而上保持1273一573K的温度梯度。从增祸中蒸发的敏与杂质的蒸气在此温度梯度下经过分馏、冷凝,便得到高纯金属敏。这一方法在前苏联已达一定生产规模,单体装置的产能达到每日数百克。金属被的蒸馏提纯效果见表。
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参考词条