Canadian Journal of Chemical Engineering最新文献_第8页

Research on multi-mechanism synergistic effects of gas cross-scale percolation in tight gas reservoirs of Yanchang oilfield 延长油田致密气藏天然气跨尺度渗流多机制协同效应研究

IF 1.6 4区工程技术

Canadian Journal of Chemical Engineering Pub Date : 2024-05-27 DOI: 10.1002/cjce.25317

Lijun Gao, Ning Bai, Linsheng Qiao, Wei Ji, Tao Miao

引用次数: 0

Impact of pressure on coking of vacuum residue 压力对真空残渣结焦的影响

IF 1.6 4区工程技术

Canadian Journal of Chemical Engineering Pub Date : 2024-05-27 DOI: 10.1002/cjce.25345

Jing Shen, Roshni Sajiv Kumar, Jason Wiens, Michael Wormsbecker, Natalia Semagina

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Protecting oil storage tanks against floods: Natech risk assessment with imprecise probabilities 保护储油罐免受洪水侵袭：不精确概率下的 Natech 风险评估

IF 1.6 4区工程技术

Canadian Journal of Chemical Engineering Pub Date : 2024-05-27 DOI: 10.1002/cjce.25349

Alireza Dehghanisanij, Nima Khakzad, Ernesto Salzano, Paul Amyotte

{"title":"Protecting oil storage tanks against floods: Natech risk assessment with imprecise probabilities","authors":"Alireza Dehghanisanij, Nima Khakzad, Ernesto Salzano, Paul Amyotte","doi":"10.1002/cjce.25349","DOIUrl":"10.1002/cjce.25349","url":null,"abstract":"Natechs are technological accidents that are triggered by natural disasters. The increase in the frequency and severity of climatic natural disasters along with the growth of industrialization has accelerated the demand for development of dedicated methodologies for risk assessment and management of Natechs. Due to a lack of accurate and sufficient data, risk assessment of Natechs has largely been based on subjective assumptions and imprecise probabilities, making the assessed risks and the subsequent risk management strategies deficient in terms of cost-effectiveness. In the present study, evidence theory, as an effective technique for dealing with imprecise probabilities, and Bayesian network, as an effective tool for reasoning under uncertainty, are combined to develop a methodology for risk analysis of Natechs based on imprecise probabilities with no attempt to increase the precision of the input data but the accuracy and cost-effectiveness of the outcomes. Flotation of oil tanks during floods has been considered to exemplify the methodology. The methodology is demonstrated to outperform conventional approaches where average probabilities or generic probability distributions are used instead of interval probabilities for risk assessment and management.","PeriodicalId":9400,"journal":{"name":"Canadian Journal of Chemical Engineering","volume":"102 10","pages":"3333-3344"},"PeriodicalIF":1.6,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cjce.25349","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141193832","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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Nitrogen-containing microporous carbon with specific morphology for non-metallic catalytic NO oxidation at room temperature: The effect of morphology and nitrogen doping 具有特定形态的含氮微孔碳用于室温下非金属催化氧化 NO：形态和氮掺杂的影响

IF 1.6 4区工程技术

Canadian Journal of Chemical Engineering Pub Date : 2024-05-26 DOI: 10.1002/cjce.25346

Jie Guan, Yujie Zhu, Jitong Wang, Xiaomin Cheng, Cheng Ma, Licheng Ling, Wenming Qiao

{"title":"Nitrogen-containing microporous carbon with specific morphology for non-metallic catalytic NO oxidation at room temperature: The effect of morphology and nitrogen doping","authors":"Jie Guan, Yujie Zhu, Jitong Wang, Xiaomin Cheng, Cheng Ma, Licheng Ling, Wenming Qiao","doi":"10.1002/cjce.25346","DOIUrl":"10.1002/cjce.25346","url":null,"abstract":"The optimization of the gas diffusion path and surface coordination environment through morphology control can improve the intrinsic activity of the catalyst in NO oxidation reactions. Microporous nanosheets, nanowires, and spheres of carbon were constructed using resorcinol and formaldehyde as carbon sources, melamine as nitrogen source, and graphene oxide or carbon nanowires as structure-directing agents to reveal the effects of morphology and nitrogen-doping on NO oxidation activity at room temperature. With the increase of coating thickness, the ultramicroporous structure becomes pronounced and the nitrogen content increases, which contribute to the improvement of steady-state NO conversion. The 2D microporous nanosheets (TDC-200) with sheet structure shows prominent diffusion and adsorption capability than 1D nanowires and sphere, which shortens the gas diffusion path and enhances the efficient utilization of ultramicropores, thereby presenting the highest NO oxidation activity of 78.4% at room temperature. The results of DFT calculations further demonstrate that doping of nitrogen atoms could significantly reduce the (2NO + O2)ads energy barrier and accelerate the reaction. This study provides a deeper understanding of the NO oxidation on non-metallic catalyst.","PeriodicalId":9400,"journal":{"name":"Canadian Journal of Chemical Engineering","volume":"102 12","pages":"4347-4358"},"PeriodicalIF":1.6,"publicationDate":"2024-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141172863","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Synthesis of fluorene-flanked diketopyrrolopyrrole-based semiconducting polymers with thermocleavable side chains and their application in organic field effect transistors 具有热裂解侧链的芴侧翼二酮吡咯基半导体聚合物的合成及其在有机场效应晶体管中的应用

IF 1.6 4区工程技术

Canadian Journal of Chemical Engineering Pub Date : 2024-05-26 DOI: 10.1002/cjce.25314

Ravinder Singh, Samala Venkateswarlu, YuFang Zhong, Yuning Li

{"title":"Synthesis of fluorene-flanked diketopyrrolopyrrole-based semiconducting polymers with thermocleavable side chains and their application in organic field effect transistors","authors":"Ravinder Singh, Samala Venkateswarlu, YuFang Zhong, Yuning Li","doi":"10.1002/cjce.25314","DOIUrl":"10.1002/cjce.25314","url":null,"abstract":"This study introduces the first fluorene-flanked diketopyrrolopyrrole (FDPP)-based semiconducting polymers, named Boc-FDPP-CoMs (CoM = TT or BT), synthesized via copolymerization of tert-butoxycarbonyl (t-Boc)-substituted FDPP as the acceptor unit with thieno[3,2-b]thiophene (TT) or bithiophene (BT) as the donor comonomers. The incorporation of t-Boc groups addresses challenges related to poor solubility and polymer backbone twisting associated with the FDPP building block. While Boc-FDPP-CoMs demonstrate solubility in common organic solvents, facilitating favourable solution-processability for uniform film fabrication, they exhibit significant backbone twisting, leading to poor charge transport properties. Post-deposition thermal annealing at a mild temperature as low as 170°C conveniently removes t-Boc groups. The resulting t-Boc-free copolymers, NH-FDPP-TT and NH-FDPP-BT, exhibit hole mobilities up to 5.0 × 10−3 and 2.2 × 10−3 cm2 V−1 s−1 in organic field effect transistors (OFETs), respectively, representing a substantial increase compared to their counterparts with t-Boc groups. This study underscores a meticulously designed strategy for achieving solution solubility and backbone coplanarity through side-chain engineering for FDPP and potentially other sterically demanding building blocks to construct high-performance semiconducting polymers for OFETs and other applications.","PeriodicalId":9400,"journal":{"name":"Canadian Journal of Chemical Engineering","volume":"102 12","pages":"4137-4151"},"PeriodicalIF":1.6,"publicationDate":"2024-05-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cjce.25314","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141172679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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An optimization of Cs2TiBr6 perovskite solar cell using SCAPS-1D simulation based on genetic algorithm 基于遗传算法的 SCAPS-1D 仿真优化 Cs2TiBr6 包晶太阳能电池

IF 1.6 4区工程技术

Canadian Journal of Chemical Engineering Pub Date : 2024-05-24 DOI: 10.1002/cjce.25315

Xiaoya Liu, Zhengxin Chen, Hairong Wang, Zhengrong Zhu, Sirui Zhao, Lingchen Kong, Haitao Man, Kai Huang, Jiang Wu, Yang Ling

{"title":"An optimization of Cs2TiBr6 perovskite solar cell using SCAPS-1D simulation based on genetic algorithm","authors":"Xiaoya Liu, Zhengxin Chen, Hairong Wang, Zhengrong Zhu, Sirui Zhao, Lingchen Kong, Haitao Man, Kai Huang, Jiang Wu, Yang Ling","doi":"10.1002/cjce.25315","DOIUrl":"10.1002/cjce.25315","url":null,"abstract":"A genetic algorithm (GA) was used in this simulation work and a well-studied double perovskite structure was chosen to verify the feasibility of the algorithm. To pursue excellent efficiency and stability of the perovskite solar cell, the experimental and simulation data were summarized to determine the adjustable range of parameters for the simulated cell structure. The GA can help us to determine the best combination among a wide range of potential possibilities. The optimal solution was obtained by substituting the best combination data into SCAPS-1D and the open circuit voltage (VOC) was 1.08 V, fill factor (FF) was 88.81%, short circuit current (JSC) was 37.06 mA/cm2, and the power conversion efficiency (PCE) was 35.54%. Compared to the initial simulation results, the efficiency was improved by 10 percentage points and the JSC increased by 12 mA/cm2. From these conclusions, it was clear that the GA provides a faster and more accurate way to find the optimal solution for perovskite solar cells.","PeriodicalId":9400,"journal":{"name":"Canadian Journal of Chemical Engineering","volume":"102 12","pages":"4193-4202"},"PeriodicalIF":1.6,"publicationDate":"2024-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141101275","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Insight into CO2 capture by aqueous solutions of N,N-diethylethanolamine promoted with potassium salts of amino acids 用氨基酸钾盐促进 N,N-二乙基乙醇胺水溶液捕获二氧化碳的深入研究

IF 1.6 4区工程技术

Canadian Journal of Chemical Engineering Pub Date : 2024-05-21 DOI: 10.1002/cjce.25309

Hitesh D. Rawate, Prakash D. Vaidya

{"title":"Insight into CO2 capture by aqueous solutions of N,N-diethylethanolamine promoted with potassium salts of amino acids","authors":"Hitesh D. Rawate, Prakash D. Vaidya","doi":"10.1002/cjce.25309","DOIUrl":"10.1002/cjce.25309","url":null,"abstract":"N,N-Diethylethanolamine (DEEA) is a potential high-capacity CO2-capturing solvent. The CO2 reactivity of DEEA can be improved by the addition of rate promoters. Both equilibrium CO2 solubility and desorption rate are also influenced by promoters. In this work, the effect of promotion of DEEA with three amino acid salts, potassium arginate (PA), potassium prolinate (PP), and potassium glycinate (PG), was investigated. In a stirred cell reactor, CO2 reactivity of the promoted solutions was studied at 303 K. Rate promotion with PA was most effective; this was then followed by PP and PG. The value of the liquid-side mass transfer coefficient (0.005 cm/s) for CO2 absorption in water inside the stirred cell was found. Equilibrium CO2 solubility in the promoted mixtures was measured. Empirical equations that predicted solubility data (accuracy 99%) were proposed. Desorption trials were performed at 363 K. PA, PP, and PG lowered sensible energy constraint by 59%, 32%, and 30%. PA was most-suited for faster desorption of aqueous solutions of DEEA. Overall, potassium salts of arginine, proline, and glycine were promising candidates for improving the performance of the tertiary amine DEEA. Finally, catalytic desorption of loaded solutions of DEEA was studied and it was found that alumina was a promising catalyst for faster desorption.","PeriodicalId":9400,"journal":{"name":"Canadian Journal of Chemical Engineering","volume":"102 12","pages":"4359-4370"},"PeriodicalIF":1.6,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141115230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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New PID parameter tuning based on improved dung beetle optimization algorithm 基于改进的蜣螂优化算法的新 PID 参数调整

IF 1.6 4区工程技术

Canadian Journal of Chemical Engineering Pub Date : 2024-05-21 DOI: 10.1002/cjce.25343

Chonggao Hu, Feng Wu, Hongbo Zou

{"title":"New PID parameter tuning based on improved dung beetle optimization algorithm","authors":"Chonggao Hu, Feng Wu, Hongbo Zou","doi":"10.1002/cjce.25343","DOIUrl":"10.1002/cjce.25343","url":null,"abstract":"In this paper, a proportional-integral-derivative (PID) controller parameter optimization method based on the improved dung beetle optimization (IDBO) algorithm is proposed, which improves the balance between the global exploration and local exploitation capabilities of the dung beetle optimization (DBO) and significantly enhances the convergence speed and optimization accuracy. Initially, the dung beetle population is initialized using piecewise linear chaotic map (PWLCM) chaotic mapping in order to increase its variety and the DBO algorithm's capacity for global exploration. Furthermore, adaptive weighting in the DBO algorithm is now balanced between the capabilities of local exploitation and global exploration with the addition of adaptive weights. After that, in order to improve the DBO algorithm's capacity for local exploitation, a triangle wandering strategy is included during the dung beetle reproductive phase. Finally, using both Lévy flying wandering and greedy strategy (GS) together make it easier to take advantage of opportunities in both local and global areas. The outcomes of the traditional benchmark function test demonstrate a significant improvement in both convergence speed and optimization accuracy when the particle swarm optimization (PSO), DBO, grey wolf optimization (GWO), and sparrow search algorithm (SSA) algorithms are compared. The performance index function incorporates an overshooting penalty term to prevent the overshooting phenomenon in the control system. Simulation experiments are carried out for the DC motor control system, and the time domain performance, frequency domain performance, and robustness performance of the closed-loop control system with ZN-PID, Lambda-PID, PSO-PID, and IDBO-PID rectified PID controller parameters are comparatively analyzed, which verifies the validity and practicability of the IDBO algorithm.","PeriodicalId":9400,"journal":{"name":"Canadian Journal of Chemical Engineering","volume":"102 12","pages":"4297-4316"},"PeriodicalIF":1.6,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141116357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

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2024 winner of the Lectureship Award 2024 年演讲奖获得者

IF 1.6 4区工程技术

Canadian Journal of Chemical Engineering Pub Date : 2024-05-21 DOI: 10.1002/cjce.25347

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Fault diagnosis for blast furnace ironmaking process based on randomized local fisher discriminant analysis 基于随机局部渔夫判别分析的高炉炼铁工艺故障诊断

IF 1.6 4区工程技术

Canadian Journal of Chemical Engineering Pub Date : 2024-05-21 DOI: 10.1002/cjce.25312

Jiawei Zhou, Ping Wu, Hejun Ye, Yunpeng Song, Xianbao Wu, Yuchen He, Haipeng Pan

{"title":"Fault diagnosis for blast furnace ironmaking process based on randomized local fisher discriminant analysis","authors":"Jiawei Zhou, Ping Wu, Hejun Ye, Yunpeng Song, Xianbao Wu, Yuchen He, Haipeng Pan","doi":"10.1002/cjce.25312","DOIUrl":"10.1002/cjce.25312","url":null,"abstract":"Fault diagnosis plays a vital role in ensuring the operation safety of blast furnaces and improving the quality of molten iron in the ironmaking and steelmaking industry. The blast furnace ironmaking process (BFIP) is intrinsically nonlinear. To address the nonlinearity issue of BFIP, a novel fault diagnosis approach that combines the randomized method, local structure information, and Fisher discriminant analysis is proposed in this paper. Using a randomized feature map, the process data is first mapped onto a randomized explicit low-dimensional feature space. Compared to kernel methods, explicit low-dimensional random Fourier features considerably reduce the computational cost, particularly for real-time fault diagnosis for a large training dataset or a large-scale process. Additionally, the local structure information contained in the randomized low-dimensional feature space is extracted. The fault diagnosis performance is improved through the exploration of the local structure of random Fourier features. Finally, the blast furnace iron-marking process state is determined using Bayesian inference. Case studies on a real-world BFIP are carried out to demonstrate the superior performance of the proposed method in comparison with other related methods.","PeriodicalId":9400,"journal":{"name":"Canadian Journal of Chemical Engineering","volume":"102 11","pages":"4026-4037"},"PeriodicalIF":1.6,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141117043","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0