基于模型的工艺优化工业染色学工艺,用于从牛奶中分离乳酸
Lukas Gerstweiler1, Paulina Schad2, Tatjana Trunzer3
1The University of Adelaide, School of Chemical Engineering, 5000 Adelaide, Australia.
Journal of chromatography. A
|October 5, 2023
概括
机械模型通过预测工艺性能和纯度来优化牛奶中的乳酸铁净化. 这种方法减少了实验力度和盐/水消耗,为工业应用提供了高效的扩展.
科学领域:
- 生物化学工程 生物化学工程
- 过程化学 过程化学
- 食品科学 食品科学 食品科学
背景情况:
- 机械建模在食品工业下游过程开发中未得到充分利用.
- 生牛奶成分和工艺水pH值的变化挑战了有效的净化.
- 乳酸净化需要强大的方法,能够适应这些变化.
研究的目的:
- 通过机械模型研究工业乳酸净化的风险排名和优化.
- 开发一种对乳酸和杂质化行为的预测模型.
- 确定关键的过程参数,以提高纯度和减少资源消耗.
主要方法:
- 利用基于一般速率模型的预测力学模型与硬质质量作用结合,扩展到pH依赖.
- 使用最小的实验室规模实验和传统的缩小研究对模型进行校准.
- 对流量,化条件和负载的变化进行模型性能评估.
主要成果:
- 该模型在各种条件下准确预测了乳酸和杂质化行为.
- 乳托费林化在pH值5.5-7.6之间是一致的,而杂质化与pH值有显著的变化.
- 确定了最佳参数:43 mS/cm用于杂质去除,95 mS/cm用于化过程中的盐使用,以及低流速 (0.2 CV/min).
结论:
- 机械建模使得用于净化乳酸的高效in-silico下游工艺开发成为可能.
- 校准模型在没有重新校准的情况下成功预测了大规模的性能,证明了其外推能力.
- 这种方法为食品工业的快速过程开发提供了一条途径,将建模与实验数据相结合.
相关概念视频
Optimizing Chromatographic Separations
426
Optimizing chromatographic separations is crucial for obtaining clean separations in a minimum amount of time. Optimization is required for several factors, including kinetic effects related to band broadening, plate height, capacity factor, and separation factor.
Band broadening refers to spreading solute bands as they travel through the column. This broadening can impact resolution. Plate height (H) represents the length required for one theoretical plate. A lower plate height corresponds to...
Band broadening refers to spreading solute bands as they travel through the column. This broadening can impact resolution. Plate height (H) represents the length required for one theoretical plate. A lower plate height corresponds to...
426
High-Performance Liquid Chromatography: Elution Process
520
In High-Performance Liquid Chromatography (HPLC), the elution process is critical to the separation of analytes and the quality of chromatographic results. Elution describes how compounds move through the column and separate based on their interactions with the mobile and stationary phases. This process determines the resolution, peak shape, and retention times in the chromatogram, which are essential for identifying and quantifying components in complex mixtures. Understanding the elution...
520
Principles Of Column Chromatography
6.9K
The chromatography technique was first invented in 1901 by Michael S. Tswett, a Russian botanist, to separate plant pigments using organic solvents. Further, in 1941, Archer John Porter Martin and R. L. M. Synge modified the technique by packing silica gel into a column. A mixture of amino acids was then separated on the packed column using chloroform and water mixture as the mobile phase. This was the first report on column chromatography. At present, column chromatography is a widely used...
6.9K
Types Of Column Chromatography
11.2K
The stability and compatibility of column material with samples are crucial for efficient purification in chromatographic techniques. Various operating parameters such as pH, temperature, or solvent affect the packing of the column material, thereby determining the purification efficiency. The choice of column material also plays an essential role in deciding the operating parameters and can be modified based on the proteins that need to be purified.
Gel Filtration Chromatography
When the...
Gel Filtration Chromatography
When the...
11.2K


