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Canadian Journal of Chemical Engineering最新文献

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IF 1.6 4区 工程技术
Canadian Journal of Chemical Engineering Pub Date : 2025-06-01 DOI: 10.1002/cjce.25331
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引用次数: 0
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IF 1.6 4区 工程技术
Canadian Journal of Chemical Engineering Pub Date : 2025-05-07 DOI: 10.1002/cjce.25329
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引用次数: 0
Preface: Special series on the pathways to a circular economy of plastics 前言：关于塑料循环经济之路的特别系列
IF 1.6 4区 工程技术
Canadian Journal of Chemical Engineering Pub Date : 2025-04-24 DOI: 10.1002/cjce.25729
Dimitrios Meimaroglou
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引用次数: 0
Experimental methods in chemical engineering: Electron probe micro-analysis—EPMA 化学工程实验方法：电子探针微分析- epma
IF 1.6 4区 工程技术
Canadian Journal of Chemical Engineering Pub Date : 2025-04-23 DOI: 10.1002/cjce.25712
Viviane de Oliveira Campos, Felipe Fernandes Barbosa, Ellen Kadja Lima de Morais, Dulce Maria Araújo Melo, Jildimara de Jesus Santana, Gregory S. Patience
{"title":"Experimental methods in chemical engineering: Electron probe micro-analysis—EPMA","authors":"Viviane de Oliveira Campos,&nbsp;Felipe Fernandes Barbosa,&nbsp;Ellen Kadja Lima de Morais,&nbsp;Dulce Maria Araújo Melo,&nbsp;Jildimara de Jesus Santana,&nbsp;Gregory S. Patience","doi":"10.1002/cjce.25712","DOIUrl":"https://doi.org/10.1002/cjce.25712","url":null,"abstract":"<p>Electron probe microanalysis (EPMA) is a non-destructive spectroscopic technique to map the chemical composition—quantitative elemental distribution and layer thickness—with a micro-scale resolution. An electron beam illuminates the surface of a sample and produces backscattered electrons (BSE), secondary electrons (SE), characteristic X-rays, and light known as cathodoluminescence (CL). Combining energy dispersive spectrometry with wavelength-dispersive spectrometry improves trace analysis and differentiates overlapping X-ray lines, but the detection threshold is not much better than 100 ppm (parts per million). Implementing Monte Carlo simulation with better electronics and software are ongoing research areas to improve the method's precision, sensitivity, and spatial resolution. To detect Li, Be, and B (<span></span><math>\u0000 <mrow>\u0000 <mi>Z</mi>\u0000 <mo>&lt;</mo>\u0000 </mrow></math> 11) requires wavelength-dispersive X-ray spectroscopy (WDS), or soft X-ray emission spectroscopy (SXES), or a combination of BSE/EDS method. Researchers in metallurgy &amp; metallurgical engineering, mineralogy, geochemistry &amp; geophysics, and mining &amp; mineral processing apply the method most. Chemical engineering is ranked 21st among the 250 scientific categories that use the technique. It is also applied to reconstitute works of art and the antiquities. A bibliometric map identified four clusters of research and for each cluster the major nodes were: (1) geochemistry, (2) mechanical properties, microstructure, and alloys, (3) Fe, Cu, and Cr, and (4) phase equilibria.</p>","PeriodicalId":9400,"journal":{"name":"Canadian Journal of Chemical Engineering","volume":"103 7","pages":"3000-3011"},"PeriodicalIF":1.6,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/cjce.25712","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144191140","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}
引用次数: 0
Biorecycling of polylactide: From enzymatic depolymerization to biotransformation of released products 聚乳酸的生物回收：从酶解聚合到释放产物的生物转化
IF 1.6 4区 工程技术
Canadian Journal of Chemical Engineering Pub Date : 2025-04-23 DOI: 10.1002/cjce.25717
Alaric Catard, Isabelle Chevalot, Sandrine Hoppe
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引用次数: 0
Issue Highlights 发行亮点
IF 1.6 4区 工程技术
Canadian Journal of Chemical Engineering Pub Date : 2025-04-15 DOI: 10.1002/cjce.25327
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引用次数: 0
Issue Highlights 问题突出
IF 1.6 4区 工程技术
Canadian Journal of Chemical Engineering Pub Date : 2025-03-09 DOI: 10.1002/cjce.25325
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引用次数: 0
Experimental methods in chemical engineering: Virtual issue II preface 化学工程中的实验方法：虚拟第II期前言
IF 1.6 4区 工程技术
Canadian Journal of Chemical Engineering Pub Date : 2025-02-06 DOI: 10.1002/cjce.25632
Gregory S. Patience
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引用次数: 0
Optimum salinity brine and surfactant interaction with crude oil and carbonated rock at fluid–fluid and rock-fluid interfaces: Evaluating ion-specific effects on the system 最佳盐度盐水和表面活性剂与原油和碳酸盐岩在流体-流体和岩石-流体界面的相互作用：评估离子对系统的特定影响
IF 1.6 4区 工程技术
Canadian Journal of Chemical Engineering Pub Date : 2025-02-05 DOI: 10.1002/cjce.25593
Mohammad Maghsoudlou, Jamshid Moghadasi
{"title":"Optimum salinity brine and surfactant interaction with crude oil and carbonated rock at fluid–fluid and rock-fluid interfaces: Evaluating ion-specific effects on the system","authors":"Mohammad Maghsoudlou,&nbsp;Jamshid Moghadasi","doi":"10.1002/cjce.25593","DOIUrl":"https://doi.org/10.1002/cjce.25593","url":null,"abstract":"<p>The smart water injection (SWI) method is derived from low salinity water flooding, which aims to increase oil production. The complexity and heterogeneity of carbonate reservoirs require further investigation. Understanding the active mechanisms during SWI is crucial for designing the injected water composition to enhance the efficiency of the method. However, there is a research gap regarding the dominant factors that influence the performance of SWI, particularly both the ‘fluid–fluid’ and ‘rock–fluid’ interactions, simultaneously. To address this issue, the article through new insight into ions, solutions, and tests tries to enhance the precision of the obtained results by optimizing the solutions by changing the potential determining ions (PDI) in fixed ionic strength through contact angle measurements. Furthermore, by using a cationic surfactant, which has not been previously used in low-salinity water flooding experiments, surfactant-free solutions, and proper tests for each mechanism, including Zeta potential, pH measurements, interfacial tension, vial test, high-resolution microscopy, and Karl Fischer titration, interactions on fluid–fluid and rock-fluid interfaces were tested and investigated. The results were validated through core flood tests. The study found that coordination was observed between multivalent ion exchange and water in oil micro-dispersion, which are two current mechanisms in both micro- and macro-scale media. In surfactant-free solutions, the effect of ions was discerned in the order of SO<sub>4</sub><sup>2−</sup>, Mg<sup>2+</sup>, and Ca<sup>2+</sup>. The formation of micro-emulsions and the IFT reduction by ionic pairs of surfactants significantly increased oil recovery by up to 65%. The effective ions facilitating this performance were ranked as follows: SO<sub>4</sub><sup>2−</sup> &gt; Ca<sup>2+</sup> &gt; Mg<sup>2+</sup>.</p>","PeriodicalId":9400,"journal":{"name":"Canadian Journal of Chemical Engineering","volume":"103 7","pages":"3183-3207"},"PeriodicalIF":1.6,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144190968","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
Issue Highlights 问题突出
IF 1.6 4区 工程技术
Canadian Journal of Chemical Engineering Pub Date : 2025-02-03 DOI: 10.1002/cjce.25323
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引用次数: 0
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