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Related Experiment Video

Updated: Jul 19, 2025

Optimization of Processing of Tiebangchui with Highland Barley Wine Based on the Box-Behnken Design Combined with the Entropy Method
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Improved Harmony Search Algorithm for Enhancing Efficiency and Quality in Optimization of the Distillation Process.

Zhe Ding1,2, Haohao Zhang1,2, Hai Li1

  • 1Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China.

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A new Distillation Harmony Search Algorithm (DHSA) significantly cuts distillation production costs by optimizing equipment and energy use. This intelligent optimization method achieves higher quality solutions with less computation time and improved stability.

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Area of Science:

  • Chemical Engineering
  • Process Intensification
  • Computational Chemistry

Background:

  • Process intensification aims to reduce production costs through optimized equipment size and utility consumption.
  • Intelligent optimization algorithms are crucial for enhancing distillation efficiency and lowering operational expenses.

Purpose of the Study:

  • To develop an advanced optimization algorithm for distillation processes.
  • To reduce production costs and improve efficiency in distillation through process intensification.

Main Methods:

  • A novel Distillation Harmony Search Algorithm (DHSA) was developed, incorporating self-adaptive parameter adjustment, roulette selection, and ratio optimization strategies.
  • The DHSA was applied to optimize four distillation cases: two-column, three-column, reactive distillation, and dividing-wall extractive distillation columns.

Main Results:

  • The DHSA significantly reduced total annual costs and computation times compared to existing algorithms across all tested distillation models.
  • The highest coefficient of variation observed for DHSA was 1.25% over 10 parallel calculations, demonstrating high stability.
  • The algorithm demonstrated superior solution quality, reduced computing time, and enhanced stability.

Conclusions:

  • The DHSA offers a more efficient and stable approach to distillation process optimization.
  • The findings suggest DHSA can inspire new optimization strategies for other complex chemical processes.