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September 10, 2025The Canadian Journal of Chemical Engineering

Study on the analysis of flow field and enhancing the fine coal flotation by the impingement flow

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Authors

YHYouli HanUniversity of Science and TechnologyZLZhiyong LinSun Yat-sen UniversityQSQinghui ShiAnhui University of Science and Technology

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Implication

Experimental analysis enhanced coal flotation performance with optimized slurry conditions, indicating improved separation efficiency.

Key Points

  • Optimal flotation performance achieved a combustible recovery rate of 98.18%, indicating successful coal-gangue separation.
  • Flotation experiments showed that increasing impact velocity peaked strain rate at 774 s−1, enhancing reagent efficiency.
  • Self-designed slurry conditioning device utilized computational fluid dynamics to optimize flow field dynamics for better coal processing.
  • This method significantly improves coal hydrophobicity and floatability, addressing traditional limitations in coal slurry flotation.

Cite This Study

Han et al. (2025) studied this question.

synapsesocial.com/papers/68c1ac0154b1d3bfb60e47e4https://doi.org/10.1002/cjce.70047
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