[HTML][HTML] Application of PAT-based feedback control approaches in pharmaceutical crystallization

Y Gao, T Zhang, Y Ma, F Xue, Z Gao, B Hou, J Gong - Crystals, 2021 - mdpi.com
Crystallization is one of the important unit operations for the separation and purification of
solid products in the chemical, pharmaceutical, and pesticide industries, especially for …

Deep‐learning based in situ image monitoring crystal polymorph and size distribution: Modeling and validation

T Yao, J Liu, X Wan, B Li, S Rohani, Z Gao… - AIChE …, 2024 - Wiley Online Library
In situ monitoring and closed‐loop control of the solution crystallization process are the
modern trends for pharmaceutical development, in which the critical process parameters …

A comprehensive fault detection and diagnosis method for chemical processes

S Rao, J Wang - Chemical Engineering Science, 2024 - Elsevier
Deep learning methods based on supervised learning have various applications in chemical
process fault detection and diagnosis (FDD). However, these methods as black boxes are …

Expert label for explainable fault diagnosis and for unknown fault generalization

S Rao, L Fan, J Wang - Chemical Engineering Science, 2025 - Elsevier
This study proposes the expert label that incorporates specific process knowledge into
sample labels to enhance the explainability of diagnostic results. Traditional sample label is …

Compensation of accuracy by increased data “thickness” for high timeliness in fault diagnosis of chemical process

S Rao, J Wang - Journal of the Taiwan Institute of Chemical Engineers, 2023 - Elsevier
Background Fault diagnosis rate (FDR) and fault diagnosis timeliness (FDT) are critical to a
fault diagnosis model applied to industrial processes. Generally, high FDR requires process …

Process intensification and control strategies in cooling crystallization: Crystal size and morphology optimization of α-PABA

S Jia, Y Gao, Z Li, T Zhang, J Liu, J Wang, Z Gao… - … Research and Design, 2022 - Elsevier
This study explores the process intensification techniques and process control strategies on
the product properties optimization. α-PABA, a long needle-like shape, can cause problems …

Scalable synthesis of ytterbium and erbium codoped calcium molybdate phosphors as upconversion luminescent thermometer

J Liu, Y Jiao, Y Pu, JX Wang, D Wang - AIChE Journal, 2021 - Wiley Online Library
Luminescent thermometry is a noninvasive method of temperature detection with high
sensitivity and response speed. The present study demonstrated the process‐intensified …

Direct crystal growth control: controlling crystallization processes by tracking an analogue twin

SA Schiele, R Bier, A Ommert… - Industrial & Engineering …, 2023 - ACS Publications
Due to the dynamic interactions of various crystallization phenomena, crystallization
processes are notoriously difficult to control. In some applications, supersaturation control is …

Modeling and analysis of coupled-vessels crystallization process for temperature cycling induced deracemization of enantiomers

Y **e, Y Wang, Z Ming, Z Sun, W Tang… - Chemical Engineering …, 2025 - Elsevier
The growing demand for enantiomerically pure chiral materials has prompted the
exploration of innovative enantiomer separation techniques. Coupled-vessels temperature …

Simulation and experimental investigation of a novel supersaturation feedback control strategy for cooling crystallization in semi-batch implementation

T Zhang, B Nagy, B Szilágyi, J Gong… - Chemical Engineering …, 2020 - Elsevier
A novel feedback control strategy by semi-batch implementation for cooling crystallization is
proposed, in which the supersaturation is controlled by manipulating the feed flow rate of the …