Chemical Engineering Science
Papers 10,000
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#1Xiaoming Luo (CUP: China University of Petroleum, Beijing)H-Index: 13
#2Ke Xu (CUP: China University of Petroleum, Beijing)H-Index: 1
Last. Limin He (CUP: China University of Petroleum, Beijing)H-Index: 15
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Abstract null null In the case of fluid flow with a low Reynolds number, the internal fluid stratification can be easily observed after droplet coalescence, impeding rapid mixing of fluid. In this study, the capillary pressure difference is increased by adjusting the droplet size and the interfacial tension, so that a strong jet can be generated, resulting in a rapid mixing. Five distinct droplet mixing modes have been found. The phase diagram of the droplet mixing modes is obtained and the tran...
#1Babak Feyli (IAU: Islamic Azad University, Tehran)H-Index: 1
#2Hadi Soltani (IAU: Islamic Azad University, Tehran)H-Index: 6
Last. Alireza Eyvazzadeh (IAU: Islamic Azad University, Tehran)H-Index: 1
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Abstract null null In this paper, an efficient as well as reliable approach to deal with heat exchanger networks (HENs) synthesis problems, which is inherently known as a mixed-integer non-linear programming model, is presented. The structural variables as the discrete variables are optimized by a genetic algorithm (GA), whereas continuous variables are handled by a modified quasi-linear programming (MQLP) model. Each HEN is considered as a chromosome consisting of a sequence of genes. Each gene...
#1Wenlong Wang (DUT: Dalian University of Technology)
#2Qilei Liu (DUT: Dalian University of Technology)H-Index: 7
Last. Jian Du (DUT: Dalian University of Technology)H-Index: 21
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Abstract null null Organic synthesis plays an essential role in the pharmaceutical industry. The drug synthesis route design is a critical decision step to convert raw materials to drug products. Traditionally, knowledge-based methods are commonly used for the design of the synthesis route. However, this type of method is expensive and time-consuming, which hinders the high-throughput design of the synthesis route. In this article, a retrosynthetic analysis framework is established based on hybi...
#1A. Padash (CU: Columbia University)H-Index: 2
#2B. Chen (CU: Columbia University)
Last. Christopher M. Boyce (CU: Columbia University)H-Index: 17
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Abstract null null Optical imaging experiments were conducted to investigate regimes of bubbling when two vertical gas jets are injected into liquids. Three regimes were identified (i) bubbles break off from jets independently of one another, (ii) bubbles coalesce and break off from jets at the same time and (iii) bubbles break off from jets in an alternating pattern, nearly 180 degrees out-of-phase from one another. We identify that a mixed capillary number is key to determining the size of bub...
#1Saurabh Gupta (IITK: Indian Institute of Technology Kanpur)H-Index: 4
#2Santanu De (IITK: Indian Institute of Technology Kanpur)H-Index: 8
Last. M. K. Karmakar (CMERI: Central Mechanical Engineering Research Institute)H-Index: 6
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Abstract null null Large eddy simulation is performed on a circulating fluidized bed (CFB) based on an Eulerian-Eulerian approach. The riser of the CFB has two axial sections of different diameters joined by a diffuser. The effects of drag and subgrid-scale models are examined on hydrodynamic parameters, such as solids volume fraction ( null null null e null s null null null ), solids circulation rate ( null null null G null s null null null ), and full loop pressure profiles. A hybrid energy mi...
#1Zhuo Chen (THU: Tsinghua University)H-Index: 5
#2Shuang Song (THU: Tsinghua University)
Last. Jianhong Xu (THU: Tsinghua University)H-Index: 36
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Abstract null null Magnetic thermosensitive hydrogels stand out in the field of magnetic hyperthermia because of their dual responses of both magnetic and thermal stimulations. In this work, the microfluidic technology was utilized to prepare magnetic thermosensitive hydrogels. Two anticancer drugs, camptothecin and doxorubicin hydrochloride, were loaded in the core and shell layers of generated double emulsions to achieve the simultaneous delivery of hydrophobic and hydrophilic drugs. The targe...
#1Daliborka Nikolic (University of Belgrade)H-Index: 8
#2Carsten Seidel (OvGU: Otto-von-Guericke University Magdeburg)H-Index: 5
Last. Menka Petkovska (University of Belgrade)H-Index: 17
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Abstract null null The analysis of the potential to improve performance of a methanol synthesis reactor through forced periodical operations by Nonlinear Frequency Response method is presented. The methanol synthesis in an isothermal and isobaric lab-scale CSTR is considered. First, the analysis was performed for single input modulations (in Part I), which showed that significant improvements can’t be achieved. Here, the study is extended to analysis of simultaneous modulations of two inputs. Al...
#1Katipot Inkong (CU: Chulalongkorn University)H-Index: 4
#2Le Trung Anh (CU: Chulalongkorn University)
Last. Pramoch Rangsunvigit (CU: Chulalongkorn University)H-Index: 28
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Abstract null null The influence of activated carbon (AC) particle size on the formation and dissociation of CO2 hydrates was investigated. ACs with different particle sizes (250-420 µm; 420-841 µm; larger than 841 µm) were employed in the hydrate formation experiment at 276.2 K and 3.6 MPa in the quiescent condition. The result showed that the large AC particle size was more effective on promoting CO2 hydrate formation with shorter induction time, higher gas uptake, and higher formation rate. T...
#1Arne Vancleef (KUL: KU Leuven)H-Index: 2
#2Dominique Maes (VUB: Vrije Universiteit Brussel)H-Index: 25
Last. Leen Braeken (KUL: KU Leuven)H-Index: 25
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Abstract null null The particle size and particle size distribution are crucial parameters for the final product application of active pharmaceutical compounds. Image analysis with inline microscopy is an important tool for monitoring and controlling the crystallization process. This work proposes a flexible and reliable image analysis algorithm that works by combining edge detection with intensity thresholding and implementing an advanced watershed. The code is made open source and should be ea...
#1Kyuya Nakagawa (Kyoto University)H-Index: 22
#2Hiroki Kamisaki (Kyoto University)
Last. Noriaki Sano (Kyoto University)H-Index: 31
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Abstract null null Freeze–drying produces highly hygroscopic porous materials derived from ice microstructures. Because of this feature, moisture sorption over time during storage in contact with moist air, in the worst case, induces collapse. In this study, a mathematical model of the moisture sorption kinetics applicable to glassy freeze–dried matrices is developed. The model is based on the glass transition properties and sorption equilibrium data with a sorption rate constant, which includes...
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