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相关概念视频

Precipitation Processes01:12

Precipitation Processes

495
The experimental conditions in a gravimetric analysis should be optimized to maximize the particle size and purity of the obtained precipitate. Ideally, the concentration of the precipitating reagent should be low with effective stirring to maintain low relative supersaturation for the growth of large crystals. In homogeneous precipitation, the precipitant is slowly generated by a chemical reaction in the solution to avoid local reagent excesses. For example, urea decomposes gradually to...
495

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Frugal Imaging Technique of Capillary Flow Through Three-Dimensional Polymeric Printing Powders
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一个简洁的粉末加工方法的简要概述,以提高流量.

Devanshi S Shah1, Kailas K Moravkar2,3, Durgesh K Jha1,4

  • 1Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Mumbai, India.

Heliyon
|June 9, 2023
PubMed
概括

了解粉末的特性对于高效的制造至关重要. 本综述详细介绍了改善粉末流动性的技术,提高工厂产量并最大限度地减少生产问题.

关键词:
流量测试仪 流量测试仪混合过程混合过程.物理化学特性 物理化学特性粉末的流动性 粉末的流动性粉末形态学 粉末形态学

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科学领域:

  • 制药科学 制药科学
  • 化学工程是化学工程的重要组成部分.
  • 材料科学 材料科学 材料科学

背景情况:

  • 粉末的特性对于固体剂型制造至关重要,其历史意义可以追溯到19世纪.
  • 较差的粉末流量可能导致制造过程中断和设备故障.
  • 有效的粉末流动对于一致的生产和产品质量至关重要.

研究的目的:

  • 总结一下在制造业中遇到的常见粉末流量问题.
  • 介绍各种改善粉末流动性的技术,特别是凝聚性粉末.
  • 提高对粉末力学的理解,以提高工厂效率.

主要方法:

  • 对评估粉末物理性质的综合和非综合方法的审查.
  • 在加工过程中,在应力和剪切下分析粉末的行为.
  • 专注于修复和改善粉末流动特性的实际方法.

主要成果:

  • 识别与糟糕的粉末流动相关的关键挑战.
  • 采用各种技术来增强粉末的流动性能.
  • 演示如何提高流动性导致提高制造效率.

结论:

  • 解决粉末流量问题对于优化制药和化学制造至关重要.
  • 实施适当的粉末流量增强技术可以显著提高工厂产量.
  • 本综述为管理和改进凝聚性粉末流量提供了全面的指南.