以三氟化硼为原料制备硼粉工艺的研究进展
Research Progress of Boron Powder Preparation With Boron Trifluoride as Raw Material
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摘要: 综述了以三氟化硼为原料，分别采用金属热还原法、熔盐电解法及气相沉积法制备硼粉的三种工艺路线，分析和比较了每条工艺路线制备硼粉的纯度、产率及其优缺点，提出了一条以三氟化硼为原料先制备硼烷，再由硼烷采用流化床-化学气相沉积法高效、低能、产业化制备硼粉的工艺路线。Abstract: The three processes of preparing boron powder were described through boron trifluoride as raw materials using metal thermal reduction, molten salt electrolysis and vapor deposition, respectively. The purity, yield, advantages and disadvantages of boron powder prepared by each processe were analyzed and compared. A boron powder preparation process that was prepared from borane using boron trifluoride as raw materials by fluid bed-chemical vapor deposition method was proposed with high efficiency, low energy and easy industrialization.
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Keywords:
- boron powder /
- metal thermal reduction /
- molten salt electrolysis /
- borane /
- fluidized bed /
- vapor deposition
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