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1. Membrane Separation Process Design and Intensification

Author:
Salih Emre Demirel; Jianping Li; M. M. Faruque Hasan
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.19 pp. 7197-7217
ISSN:
1520-5045
Subject:
process design,   etc   ; automation; chemical industry; computer software; energy efficiency; permeability; pervaporation; prototypes; vapors;     Show all 9 Subjects
Abstract:
... Membrane separation has gained significant interest from the chemical industry due to their compactness, energy efficiency, and modularity. Recent trends in process intensification also emphasizes the importance of a more widespread adoption of membrane-based processes for significant cost savings and sustainable operation. We present a prototype software framework for the automated design, optimi ...
DOI:
10.1021/acs.iecr.0c05072

2. Integration of Material and Process Design for Kinetic Adsorption Separation

Author:
Trisha Sen; Yoshiaki Kawajiri; Matthew J. Realff
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.6 pp. 2536-2546
ISSN:
1520-5045
Subject:
process design,   etc   ; adsorption; algorithms; diffusivity; lighting; models;     Show all 6 Subjects
Abstract:
... Kinetic adsorption separation exploits differences in diffusion behavior of different adsorbates in materials and enables selection of the faster over the slower components despite possibly unfavorable equilibrium loading amounts. The aims of this article are to explore the material property space that leads to effective kinetic adsorption separation and to test the predictive value of the current ...
DOI:
10.1021/acs.iecr.0c05138

3. Mixing Performance of Planar Oscillatory Flow Reactors with Liquid Solutions and Solid Suspensions

Author:
Patrícia C. Cruz; Carolina R. Silva; Fernando A. Rocha; António M. Ferreira
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.6 pp. 2663-2676
ISSN:
1520-5045
Subject:
process design,   etc   ; geometry; liquids;     Show all 3 Subjects
Abstract:
... The mixing performance of planar oscillatory flow reactors (planar-OFRs) with liquid solutions and solid suspensions was investigated. The planar-OFR is a relatively new variant of the OFR where the conventional sharp-edged periodic constrictions are replaced with smooth periodic constrictions and the conventional circular cross-section is replaced with a rectangular cross-section. The experimenta ...
DOI:
10.1021/acs.iecr.0c04991

4. Engineering Plastic Fine Particles: Emulsion Castings Enabled by a Ternary System

Author:
Hiroshi Takezaki; Itaru Asano; Yuji Echigo; Hiroshi Kobayashi; Hidehiro Kamiya; Yohei Okada
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.2 pp. 1067-1070
ISSN:
1520-5045
Subject:
process design,   etc   ; emulsions; solvents;     Show all 3 Subjects
Abstract:
... Fine particles of condensation polymers, including engineering plastics, are in high demand for a wide range of applications since their chemical and/or physical properties have been improved compared to traditional radical polymers. However, the production of condensation polymer fine particles must be creative because oil-in-water (O/W) emulsion polymerizations are not applicable and O/W emulsio ...
DOI:
10.1021/acs.iecr.0c05477

5. Fast and Reliable Method for Evaluation of Charging Rate Avoiding Li Deposition

Author:
Yongkun Li; Zerui Chen; Chuang Wei; Feipeng Jiao; Kai Wu
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.14 pp. 5161-5166
ISSN:
1520-5045
Subject:
process design,   etc   ; chemistry; temperature;     Show all 3 Subjects
Abstract:
... Fast charging performance is the key to further marketization of lithium-ion batteries (LIBs) for electric vehicles. In this work, charging characteristics of LIBs are investigated and the maximum charging rate is quickly obtained by using a three-electrode method. It shows that the maximum charging rate of the LIB decreases exponentially as the state of charge increases, and the logarithm of the ...
DOI:
10.1021/acs.iecr.1c00351

6. Pattern Mining of Alarm Flood Sequences Using an Improved PrefixSpan Algorithm with Tolerance to Short-Term Order Ambiguity

Author:
Qun-Xiong Zhu; Chengyan Jin; Yan-Lin He; Yuan Xu
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.11 pp. 4375-4384
ISSN:
1520-5045
Subject:
process design,   etc   ; algorithms; chemistry;     Show all 3 Subjects
Abstract:
... The alarm system monitors industrial plants in real-time to ensure safe operation. The scale of modern plants is expanding rapidly, processes are becoming increasingly complicated, and the cost of alarm configuration in modern control systems is decreasing. However, alarm systems suffer from low performance. A large number of alarms are often indicated to operators within a short period, known as ...
DOI:
10.1021/acs.iecr.0c05618

7. C-IPLS–IKPLS for Modeling and Detecting Nonlinear Multimode Processes

Author:
Rongrong Sun; Youqing Wang
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.4 pp. 1684-1698
ISSN:
1520-5045
Subject:
process design,   etc   ; chemistry; models;     Show all 3 Subjects
Abstract:
... This study addresses the fault detection problem in multimode processes containing linear and nonlinear relations. The continued-improved partial least squares–improved kernel partial least squares (C-IPLS–IKPLS) model is first proposed and then the designed model is integrated into an external analysis framework. The specific concepts of the C-IPLS–IKPLS model are as follows: (1) IPLS, in which d ...
DOI:
10.1021/acs.iecr.0c04038

8. A New Adaptive Factor-Based Output Compensation Strategy for Offset Free Control of MLD–MPC with Model–Plant Mismatch

Author:
Bingyun Li; Chunyue Song; Yannan Wu; Jun Zhao
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.4 pp. 1709-1718
ISSN:
1520-5045
Subject:
process design,   etc   ; chemistry; models;     Show all 3 Subjects
Abstract:
... The mixed logical dynamical (MLD) model is a powerful framework of multimodel combinations for nonlinear systems control. Although superior control performance can be obtained by MLD-MPC, model–plant mismatch (MPM) will deteriorate the control performance. To eliminate the offset caused by MPM, a new adaptive factor-based output compensation strategy for MLD-MPC is proposed. The adaptive factor is ...
DOI:
10.1021/acs.iecr.0c04473

9. Process Design Strategies To Produce p-Xylene via Toluene Methylation: A Review

Author:
Nandana Chakinala; Anand G. Chakinala
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.15 pp. 5331-5351
ISSN:
1520-5045
Subject:
process design,   etc   ; catalysts; catalytic activity; feedstocks; mass transfer; methanol; methylation; petroleum; profitability; reaction kinetics; toluene; xylene;     Show all 12 Subjects
Abstract:
... transfer plays a vital role in the catalyst design, as well as process design and optimization strategies. This review summarizes the fundamental aspects of possible reaction mechanisms that occur in the process, useful reaction kinetics data for the process optimization studies and scaleup, with emphasis on recent developments in the catalyst design, deactivation mechanism, and process development ...
DOI:
10.1021/acs.iecr.1c00625

10. An overview to process design, simulation and sustainability evaluation of biodiesel production

Author:
Mustafa Kamal Pasha; Lingmei Dai; Dehua Liu; Miao Guo; Wei Du
Source:
Biotechnology for biofuels 2021 v.14 no.1 pp. 129
ISSN:
1754-6834
Subject:
process design,   etc   ; biodiesel; biotechnology; catalysts; cost effectiveness; feedstocks; quantitative analysis; supply chain management;     Show all 8 Subjects
Abstract:
... catalyst with efficient production methods and utilization of a variety of feedstock could be the optimum solution to bring down the production cost. Considering the complexity of biodiesel production processes, process design, quantitative evaluation and optimization of the biodiesel from whole systems perspectives is essential for unlocking the complexity and enhancing the system performances. Process ...
DOI:
10.1186/s13068-021-01977-z

11. A New Approach to Design Alarm Filters Using the Plant and Controller Knowledge

Author:
Mohammad Hossein Roohi; Tongwen Chen; Zhe Guan; Toru Yamamoto
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.9 pp. 3648-3657
ISSN:
1520-5045
Subject:
process design,   etc   ; case studies; chemistry;     Show all 3 Subjects
Abstract:
... Alarm systems are of paramount importance to the safety and proficiency of process industries. These systems aim to notify the plant operators of any possible equipment malfunction or undesired situation. An imperfect alarm system may announce false alarms in the normal operation mode or fail to raise alarms in case of some abnormalities. One mechanism for improving alarm systems is alarm filterin ...
DOI:
10.1021/acs.iecr.0c05523

12. Particle Velocity Distribution and Its Prediction in a 14 m Two-Dimensional Circulating Fluidized Bed Riser

Author:
Chengxiu Wang; Xiao Yang; Min Wang; Jiazhi Zhang; Xingying Lan; Jinsen Gao; Mao Ye; Jesse Zhu
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.4 pp. 1901-1911
ISSN:
1520-5045
Subject:
process design,   etc   ; chemistry; equations; prediction;     Show all 4 Subjects
Abstract:
... Particle velocity (Vₚ) is investigated comprehensively in a two-dimensional circulating fluidized bed (CFB) riser with a superficial gas velocity (Ug) of 5–7 m/s and a solids circulation rate (Gₛ) up to 500 kg/m²s which are similar to the industrial operating conditions. Results indicate that the lateral profile of Vₚ is nonuniform showing roughly a “core-annulus” or parabolic trend with Gₛ less t ...
DOI:
10.1021/acs.iecr.0c05330

13. Numerical Simulation of Bubbly Flow Using Partially Averaged Navier–Stokes Simulation and a Path Oscillation Model in the Euler–Lagrange Approach

Author:
Yujia Zhou; Chenru Zhao; Bingqiang Ji; Hanliang Bo
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.10 pp. 4120-4130
ISSN:
1520-5045
Subject:
process design,   etc   ; liquids; mathematical models;     Show all 3 Subjects
Abstract:
... Large bubbles always undergo asymmetric paths due to the wake instability, which was rarely considered in the simulation of bubbly flow in complex flow systems such as bubble columns. Here, we propose a bubble path oscillation model considering the zigzag lateral motion caused by the periodic vortex shedding, which is added into the rectilinear bubble motion model in the Lagrange frame. This model ...
DOI:
10.1021/acs.iecr.0c05470

14. Multiscale Model of the RTM Process: From Mesoscale Anisotropic Permeability of Woven Structures to Macroscale Resin Impregnation

Author:
Yang Xiao; Junbo Xu; Min Wang; Bingyin Wang; Shaojun Yuan; Chao Yang
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.22 pp. 8269-8279
ISSN:
1520-5045
Subject:
process design,   etc   ; anisotropy; models; permeability;     Show all 4 Subjects
Abstract:
... It is critical to figure out permeability characteristics of different woven structures for better understanding the resin impregnation and the formation of dry spot defects during the resin transfer molding (RTM) process. In this work, we proposed a multiscale model in which the permeability was derived by mesoscale simulation of the resin flow in the channel within 3D/2.5D fiber-woven composites ...
DOI:
10.1021/acs.iecr.1c01290

15. Adaptive Positive Semidefinite Matrix-Based Contribution for Nonlinear Process Diagnosis

Author:
Jinchuan Qian; Chihang Wei; Qinghua Zhang; Zhihuan Song
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.21 pp. 7868-7882
ISSN:
1520-5045
Subject:
process design,   etc   ; chemistry; data collection;     Show all 3 Subjects
Abstract:
... This paper proposed an adaptive positive semidefinite matrix-based contribution for nonlinear process fault diagnosis. The proposed method is based on the deep learning model autoencoder (AE) and its variants, aiming at exacting nonlinear features in industrial processes. In order to make full use of the extracted feature, an appropriate location in the normal-state area is estimated for local lin ...
DOI:
10.1021/acs.iecr.1c00367

16. Control-Oriented Two-Dimensional Online System Identification for Batch Processes

Author:
Kaihua Gao; Jingyi Lu; Zuhua Xu; Furong Gao
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.20 pp. 7656-7666
ISSN:
1520-5045
Subject:
process design,   etc   ; chemistry; prediction; uncertainty;     Show all 4 Subjects
Abstract:
... Robust model predictive control (MPC) is widely applied to batch processes to handle its intrinsic plant-model mismatch by considering the worst-case scenario and thus leads to conservative performance. Identification methods that make use of system repetitiveness have been invented and combined with robust MPC to reduce conservativeness. In this paper, we show that in addition to the repetitivene ...
DOI:
10.1021/acs.iecr.1c00006

17. Optimized and Scalable Green Extraction of Pristimerin, an Anticancerigen from Mortonia greggii, by Ethanol–Phosphate Aqueous Two-Phase Systems

Author:
Martha Alicia González-Félix; Luis Alberto Mejía-Manzano; Bertha A. Barba-Dávila; Sergio O. Serna-Saldívar; José González-Valdez
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.15 pp. 5403-5410
ISSN:
1520-5045
Subject:
process design,   etc   ; bioprocessing; chemistry; triterpenoids;     Show all 4 Subjects
Abstract:
... The natural triterpene pristimerin possesses interesting potential against several types of cancer. However, its production at the industrial level requires novel environmentally friendly and efficient extraction procedures. Here, we analyze an ethanol–phosphate aqueous two-phase system and the effect of its design parameters such as the tie-line length (TLL) and volume ratio (VR), on the direct e ...
DOI:
10.1021/acs.iecr.1c00473

18. A Simple Way to Control Small-Strain Cavitation in Die-Drawn Isotactic Polypropylene

Author:
Dong Lyu; Ying Lu; Glen Thompson; Fin Caton-Rose; Yuqing Lai; Phil Coates; Yongfeng Men
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.14 pp. 5151-5160
ISSN:
1520-5045
Subject:
process design,   etc   ; chemistry; deformation; polypropylenes;     Show all 4 Subjects
Abstract:
... Increasing attention has been focused on small-strain cavitation behavior of semicrystalline materials, due to the increased need of porous films with low cost and advanced chemical stability. The control of cavitation is crucial to the properties of the final product as well as the fabrication process. In this work, we proposed a simple way to regulate small-strain cavitation of isotactic polypro ...
DOI:
10.1021/acs.iecr.1c00172

19. Dimensionless Framework for Seed Recipe Design and Optimal Control of Batch Crystallization

Author:
Hao-Jen Pan; Jeffrey D. Ward
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.7 pp. 3013-3026
ISSN:
1520-5045
Subject:
process design,   etc   ; crystallization; kinetics; models;     Show all 4 Subjects
Abstract:
... In order to study and propose guidelines for the design and control of batch crystallization systems with different growth and nucleation parameters, optimal control theory and a dimensionless batch crystallization model are applied to solve multi-objective optimization problems in a nearly analytical and computationally efficient way. Optimal growth rate trajectories and the corresponding critica ...
DOI:
10.1021/acs.iecr.0c06132

20. Toward a Better Air-Assisted Flare Design for Purge Flow Conditions: Experimental and Computational Investigation of Radial Slot Flow into a Crossflow Environment

Author:
Hayder A. Alhameedi; Aso A. Hassan; Joseph D. Smith; Muthanna Al-Dahhan
Source:
Industrial & engineering chemistry process design and development 2021 v.60 no.6 pp. 2634-2641
ISSN:
1520-5045
Subject:
process design,   etc   ; aerodynamics; air; combustion;     Show all 4 Subjects
Abstract:
... Enhancing the flare gas/air mixing process above the flare tip is critical to optimizing flare performance in terms of emissions. A new flare tip design using an aerodynamic nozzle (such as that used in jet engines to increase thrust on takeoff) has been developed to control the flare gas exit velocity and the local mixing above the flare tip. The work described in this paper focuses on understand ...
DOI:
10.1021/acs.iecr.0c04313