A design framework for optimized economic and inherently safe operation conditions for isoperibolic semi-batch reactors

J Zhu, L Hao, WS Bai, Z Zhu, B Zhang, H Wei - Process Safety and …, 2022 - Elsevier
Thermal runaway in the semi-batch reactors (SBRs) involving exothermic reaction can have
serious consequences and the primary driver of process design in the SBRs is economic …

Boundary diagrams safety criterion for liquid phase homogeneous semibatch reactors

KR Westerterp, M Lewak, EJ Molga - Industrial & Engineering …, 2014 - ACS Publications
In this work a summary of safety assessments based on a concept of boundary diagrams
safety criterion (BDSC) is given and adapted for liquid phase homogeneous reactions …

Kinetic-free safe optimization of a semibatch runaway reaction: nitration of 4-Chloro Benzotrifluoride

F Maestri, R Rota - Industrial & Engineering Chemistry Research, 2016 - ACS Publications
In this work the general Ψ number criterion for the safe operation of semibatch runaway
reactions has been applied to the optimization of a nitration process of primary importance in …

A new criterion to identify safe operating conditions for isoperibolic homogeneous semi-batch reactions

W Bai, L Hao, Z Guo, Y Liu, R Wang, H Wei - Chemical Engineering …, 2017 - Elsevier
The maximum temperature of a synthesis reaction (MTSR) is an important criterion for
process risk assessment and reactor design. In this paper, the variation of the dimensionless …

Synthesis of 4-Chloro-3-nitrobenzotrifluoride: Industrial thermal runaway simulation due to cooling system failure

S Copelli, M Derudi, CS Cattaneo, G Nano… - Process safety and …, 2014 - Elsevier
In pharmaceutical and fine chemical industries, fast and strongly exothermic reactions are
often carried out in semibatch reactors (SBRs) to better control the heat evolution by the …

On the divergence criterion for runaway detection: Application to complex controlled systems

S Copelli, V Torretta, C Pasturenzi, M Derudi… - Journal of loss …, 2014 - Elsevier
It is well-known that, for certain values of the operative parameters influencing the dynamic
behavior of a chemical reactor, a phenomenon known as thermal runaway (that is, a loss of …

Kinetic-free sizing criterion for the thermally controlled scale-up of batch fine-chemical processes

F Maestri, F Petrella, R Rota - Chemical Engineering Journal, 2024 - Elsevier
A number of newly developed exothermic reactions of the fine-chemical industry can be
safely tested at the industrial scale in an existing batch reactor since they cannot lead to …

Kinetic-free discontinuous to continuous transformation of fine chemical reactions: A general experimental procedure

F Maestri, S Copelli, M Barozzi, R Rota - Chemical Engineering Journal, 2020 - Elsevier
In the fine chemical and pharmaceutical industries, plants are normally operated on a
discontinuous multipurpose logic, according to which the same reactor is used for different …

Identification and optimization of thermally safe operating conditions for single kinetically controlled reactions with arbitrary orders in isoperibolic liquid-liquid …

B Zhang, H Hou, L Hao, J Zhu, Y Sun, H Wei - Chemical Engineering …, 2019 - Elsevier
To obtain thermally safe operating conditions for kinetically controlled liquid-liquid reactions
occurring in isoperibolic semibatch reactors (SBRs), an extreme scenario in which the …

Identification and prediction of inherently safe operating conditions for single diffusion controlled liquid-liquid heterogeneous reactions performed in isoperibolic …

Y Han, Y Liu, W Bai, C Ren, L Xu - Chemical Engineering Journal, 2021 - Elsevier
It is common that diffusion controlled liquid–liquid heterogeneous reactions are performed in
isoperibolic semibatch reactors (SBRs) in chemical and pharmaceutical industries. In this …