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在不同的漂浮溶液中模拟DAF处理以去除微塑料的CFD模拟.

Kwang Jun Kim1, Chol Hyok Ji1, Un Yong Paek1

  • 1Institute of Nano Science and Technology, Kim Chaek University of Technology, Pyongyang, Democratic People's Republic of Korea.

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PubMed
概括
此摘要是机器生成的。

溶化空气漂浮 (DAF) 有效地从废水中去除微塑料. 在DAF处理过程中增加NaCl度和pH值,提高了微塑料去除效率,NaCl度显示出更大的影响.

关键词:
计算流体动力学的流体动力学.溶化空气漂浮 (DAF) 是一种微塑料微塑料的使用人口平衡模型 (PBM)废水处理是废水处理的方法之一.

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科学领域:

  • 环境科学 环境科学
  • 化学工程是化学工程的重要组成部分.
  • 水处理技术 水处理技术

背景情况:

  • 微塑料污染对水生生态系统和人类健康构成重大威胁.
  • 有效地从各种水源中去除微塑料对于环境保护至关重要.

研究的目的:

  • 模拟和评估溶化空气漂浮 (DAF) 的有效性,以从废水中去除微塑料.
  • 研究不同NaCl度和pH值对DAF在微塑料去除方面的性能的影响.

主要方法:

  • 使用计算流体动力学 (CFD) 来模拟DAF过程.
  • 在不同的条件下分析了微塑料颗粒行为和微泡动力学.
  • 浮动性能通过不同的NaCl度 (0-12g/L) 和pH (4-9) 来评估.

主要成果:

  • CFD模拟结果与粒子和微气泡动力学的实验数据密切匹配.
  • 用DAF去除微塑料的效率随着更高的NaCl度和pH值而增加.
  • NaCl度对漂浮性能的影响比pH更为明显.

结论:

  • DAF是一种可行的方法,可以从废水中去除微塑料.
  • 优化NaCl度和pH值可以显著提高DAF在微塑料清除方面的效率.
  • 这些发现为设计工业废水处理系统提供了宝贵的见解,以打击微塑料污染.