Process Control and Intensification in Chemical Engineering

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Process Control and Monitoring".

Deadline for manuscript submissions: 10 March 2026 | Viewed by 570

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College of Control Science and Engineering, Zhejiang University, Zheda Road 38, Hangzhou 310027, China
Interests: process systems engineering; systems tools and integration; integrated process–product design
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Special Issue Information

Dear Colleagues,

This Special Issue will focus on process control and intensification, which enable industries to work better, save money, and be more environmentally friendly. As companies are now required to improve their operations and follow stricter environmental rules, these methods are becoming very important.

Process control involves carefully managing factors such as temperature, pressure, and flow to ensure that everything works well and products are of a high quality. With new technology, industries can now observe and adjust these things in real time, making operations more consistent and reducing waste. Process intensification is designed to make complex processes simpler by combining several steps into fewer, more efficient ones. This will reduce the need for equipment, energy, and raw materials, leading to lower costs and a reduced impact on the environment. In industries that use a high amount of energy, improving heat recovery has helped in saving energy and increasing productivity.

For this Special Issue, we invite the submission of articles that look at both process control and intensification, either separately or together. While combining these methods involves challenges, such as dealing with more complex systems, handling data in real time, ensuring safety, and scaling up, they are key to driving innovation. Together, they can enable a more efficient and sustainable future for many industries.

Dr. Anjan K. Tula
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Processes is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • process control
  • process intensification
  • industrial intelligence
  • optimal control

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Published Papers (2 papers)

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Research

16 pages, 4798 KB  
Article
Semi-Empirical Prediction Model Modification of Hot Metal Viscosity in Blast Furnace
by Shanchao Gao, Xu Geng, Xiaobo Zhang, Chuntang Jia and Zhenghong Zhao
Processes 2026, 14(5), 755; https://doi.org/10.3390/pr14050755 - 26 Feb 2026
Abstract
The temperature and concentration dependences of viscosity for blast furnace molten iron were theoretically studied in this paper. Afterwards, a series of semi-empirical viscosity prediction models were compared, and several of which that are suitable for blast furnace molten iron were optimized. The [...] Read more.
The temperature and concentration dependences of viscosity for blast furnace molten iron were theoretically studied in this paper. Afterwards, a series of semi-empirical viscosity prediction models were compared, and several of which that are suitable for blast furnace molten iron were optimized. The Fe-C system was used as the only benchmark during the whole research to quantify the relationship between component content and melt viscosity. Then, the component action coefficient of viscosity was introduced by fitting the previous viscosity results of iron-based melt. In terms of verification, the viscosity of blast furnace molten iron was measured by using an oscillating cup viscometer, and five semi-empirical viscosity models were selected to calculate the viscosity based on the corresponding concentration of experimental samples. Consequently, by comparing the experimental and calculation results of viscosity, it was concluded that the Hirai model based on the Andrade quasi-crystal theory is the most suitable viscosity prediction model of molten iron in a blast furnace. Full article
(This article belongs to the Special Issue Process Control and Intensification in Chemical Engineering)
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12 pages, 3129 KB  
Article
In Situ Analysis of Surface Properties, Supersaturation, and Solution Density Effects on Aqueous KNO3 Incrustation in a Cooling Crystallization Process
by Mohsen H. Al-Rashed, Adel F. Alenzi, Abubaker Mohammad and Khaled H. A. E. Alkhaldi
Processes 2026, 14(2), 201; https://doi.org/10.3390/pr14020201 - 7 Jan 2026
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Abstract
The incrustation process represents a significant industrial challenge that affects various aspects of crystallization systems. It proceeds through successive stages, beginning with the induction period. This is followed by a transport phase, in which additional crystals are generated and sustained by overall supersaturation [...] Read more.
The incrustation process represents a significant industrial challenge that affects various aspects of crystallization systems. It proceeds through successive stages, beginning with the induction period. This is followed by a transport phase, in which additional crystals are generated and sustained by overall supersaturation and the presence of seed crystals, leading to further attachment to surfaces. Ultimately, the process progresses to crystal removal and aging stages. In this study, a 1.2 dm3 thermostated crystallizer was utilized to investigate the incrustation phenomenon of potassium nitrate (KNO3). Deposits formed on three smooth and artificially roughened wall-surfaces, i.e., stainless steel (Type 316), copper, and acrylic, were examined. Contact angle measurements were conducted for all surfaces. The experiments covered a saturation temperature range of 303.15–333.15 K (±0.01 K) for various KNO3 solution concentrations between 5.0 and 60.0% w/w. The results show that deposit adhesion is stronger on rough surfaces than on smooth ones, and that the induction period for incrustation is shorter on rougher surfaces. Moreover, the influence of surface wettability and contact angle on incrustation becomes more pronounced at higher degrees of surface roughness. This highlights the coupled role of surface properties and thermal control in governing incrustation behavior. Full article
(This article belongs to the Special Issue Process Control and Intensification in Chemical Engineering)
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