Journal of the Taiwan Institute of Chemical Engineers最新文献_第2页

Enhanced efficiency of superhydrophobic coatings: A comparative analysis between dip and spray techniques using octadecyltrichlorosilane 提高超疏水涂层的效率：使用十八烷基三氯硅烷的浸镀和喷涂技术的比较分析

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-17 DOI: 10.1016/j.jtice.2025.106150

Darren Yi Sern Low , Kristian Hendrata , Chern Leing Lee , Sivakumar Manickam , Siah Ying Tang

{"title":"Enhanced efficiency of superhydrophobic coatings: A comparative analysis between dip and spray techniques using octadecyltrichlorosilane","authors":"Darren Yi Sern Low , Kristian Hendrata , Chern Leing Lee , Sivakumar Manickam , Siah Ying Tang","doi":"10.1016/j.jtice.2025.106150","DOIUrl":"10.1016/j.jtice.2025.106150","url":null,"abstract":"<div><h3>Background</h3><div>Superhydrophobic surfaces with water contact angles (WCAs) of 150° or higher have drawn significant attention due to their exceptional water-repellent properties. Despite their potential, the fabrication of such surfaces is often hindered by complex, multi-step processes. This study presents a facile, scalable approach for generating superhydrophobic coatings using an octadecyltrichlorosilane (OTS) and ethanol (EtOH) mixture, all under ambient conditions.</div></div><div><h3>Methods</h3><div>Glass substrates were coated using both spray and dip coating techniques, followed by a detailed comparative analysis of the resulting surface properties. The same coating solution was then applied to aluminium, copper, plastic, and paper substrates, using both spray and dip methods.</div></div><div><h3>Significant Findings</h3><div>Coatings produced via spraying exhibited significantly higher surface roughness and achieved superhydrophobicity after just 11 cycles, an outcome unattainable by the dipping method, even with additional cycles. The OTS concentration and the number of coating cycles were key factors influencing surface morphology and topography. Notably, the aging of the OTS coating solution was found to affect the hydrophobicity and transparency of the substrate adversely. After just 3 h of aging, WCAs dropped below the superhydrophobic threshold, and light transmittance decreased to about 4 %. Despite differences in substrate properties, the spray coating method successfully conferred surface superhydrophobicity to a variety of materials.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106150"},"PeriodicalIF":5.5,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Enhanced analysis of flow characteristics and thermal performance in multiple jet impingements: Effects of varying jet heights and spacings 强化分析多射流撞击的流动特性和热性能：不同射流高度和间距的影响

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-15 DOI: 10.1016/j.jtice.2025.106132

Jin Zhang , Yong Li , Jun Xia , Yingchun Zhang , Jiajie Zhang , Bengt Sunden , Gongnan Xie

{"title":"Enhanced analysis of flow characteristics and thermal performance in multiple jet impingements: Effects of varying jet heights and spacings","authors":"Jin Zhang , Yong Li , Jun Xia , Yingchun Zhang , Jiajie Zhang , Bengt Sunden , Gongnan Xie","doi":"10.1016/j.jtice.2025.106132","DOIUrl":"10.1016/j.jtice.2025.106132","url":null,"abstract":"<div><h3>Background</h3><div>Jet arrays are widely recognized as highly efficient cooling techniques. The focus of ongoing research has been on maximizing their heat transfer efficiency within confined spaces.</div></div><div><h3>Methods</h3><div>Experimental studies and numerical simulations have been conducted to investigate the jet impingements at varying heights (<em>H</em><sub>c</sub>) and hole spacing (<em>d</em><sub>j</sub>) on circular jets within cooling channels. Single, two, and three jets are utilized, respectively, and jet holes possess a diameter (<em>d</em>) of 2 mm. The Reynolds number (<em>Re</em>) ranges from 72,673 to 145,346, and the dimensionless distance of the jet spacing (<em>d</em><sub>j</sub>/<em>d</em>) and the height to the target (<em>H</em><sub>c</sub>/<em>d</em>) varies between 3 and 5.</div></div><div><h3>Significant finding</h3><div>Multiple jets generate significant turbulent and mixed flow patterns, with their heat transfer performance being influenced by various factors such as <em>H</em><sub>c</sub>, <em>d</em><sub>j</sub>, <em>Re</em>, and jet interactions. The heat transfer performance of two jets outperforms that of three jets, achieving its peak Nusselt number (<em>Nu</em>) value at <em>Re</em> =145,364, <em>d</em><sub>j</sub>/<em>d</em> = 3, and <em>H</em><sub>c</sub>/<em>d</em> = 5. A thorough discussion is conducted on the dimensionless parameter <em>H</em><sub>c</sub>/<em>d</em><sub>j</sub>. By appropriately adjusting <em>H</em><sub>c</sub>/<em>d</em><sub>j</sub> within a suitable range, it is possible to achieve more favorable flow dynamics, leading to enhanced cooling performance of the jet system.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106132"},"PeriodicalIF":5.5,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143828438","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Mn and Br co-substitution CsPbI3 perovskite quantum dots used for white light-emitting diodes Mn和Br共取代CsPbI3钙钛矿量子点用于白光发光二极管

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-15 DOI: 10.1016/j.jtice.2025.106139

Zhe-Cheng Li , Shi-Hong Xu , Jyh-Chiang Jiang , Liang-Yih Chen

{"title":"Mn and Br co-substitution CsPbI3 perovskite quantum dots used for white light-emitting diodes","authors":"Zhe-Cheng Li , Shi-Hong Xu , Jyh-Chiang Jiang , Liang-Yih Chen","doi":"10.1016/j.jtice.2025.106139","DOIUrl":"10.1016/j.jtice.2025.106139","url":null,"abstract":"<div><h3>Background</h3><div>CsPX₃ perovskite quantum dots (PQDs) have garnered considerable research interest due to their excellent fluorescent properties and simple synthesis process. However, the α-cubic phase CsPbI₃ PQDs are prone to transforming into the non-luminescent δ-orthorhombic phase, which poses a significant challenge to their practical application in light-emitting devices.</div></div><div><h3>Method</h3><div>In this study, red-emitting CsPbI₃ quantum dots (PQDs) were synthesized via the hot-injection method, with Mn and Br co-substituted at the B-site and X-site of the CsPbI₃ lattice. Furthermore, ab initio molecular dynamics (AIMD) simulations confirmed the robust stability of CsMnₓPb₁₋ₓ(BrᵧI₁₋<sub>y</sub>)₃ PQDs under sunlight exposure, corroborating the experimental findings.</div></div><div><h3>Significant findings</h3><div>The CsMnₓPb₁₋ₓ(Br<sub>y</sub>I₁₋<sub>y</sub>)₃ PQDs exhibited a PLQY of 96.3 %, retaining 87 % of their initial value after five months of storage. AIMD simulations revealed that the CsMnₓPb₁₋ₓ(Br<sub>y</sub>I₁₋<sub>y</sub>)₃ system underwent minimal structural deformation and effectively suppressed Pb dimer formation. Furthermore, the silyl group of the (3-aminopropyl)triethoxysilane (APTES) ligand used in the synthesis reacted with tetramethyl orthosilicate (TMOS) to form a dense silica (SiOₓ) encapsulation shell. Finally, a white light-emitting diode (WLED) was fabricated using red-emitting CsMnₓPb₁₋ₓ(BrᵧI₁₋ᵧ)₃ PQDs@SiOₓ, green-emitting CsPbBr₃ PQDs@SiOₓ, and a blue-emitting InGaN-based chip. The WLED exhibited CIE 1931 chromaticity coordinates of (0.337, 0.336) and achieved a color gamut covering nearly 128 % of the NTSC standard.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106139"},"PeriodicalIF":5.5,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143834764","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Eco-Friendly halogen-free composite for humidity control: Application in environmental humidity regulation 环保无卤调湿复合材料：在环境湿度调节中的应用

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-15 DOI: 10.1016/j.jtice.2025.106143

Jiancong Fu , Gang Lv , Ting Li , Minchen Yu , Teng Ma , Hailiang Yang , Bin Wang , Yang Zhou , Hailing Zhen , Liling Jia , Zhen Li , Zhiqin Peng

{"title":"Eco-Friendly halogen-free composite for humidity control: Application in environmental humidity regulation","authors":"Jiancong Fu , Gang Lv , Ting Li , Minchen Yu , Teng Ma , Hailiang Yang , Bin Wang , Yang Zhou , Hailing Zhen , Liling Jia , Zhen Li , Zhiqin Peng","doi":"10.1016/j.jtice.2025.106143","DOIUrl":"10.1016/j.jtice.2025.106143","url":null,"abstract":"<div><h3>Background</h3><div>The demand for effective indoor humidity control has led to the development of innovative materials, yet many existing solutions are limited by the release of harmful substances during production and high costs.</div></div><div><h3>Methods</h3><div>To address these limitations, we developed an environmentally friendly composite material composed of sodium alginate, silica gel, and inorganic salts. This halogen-free composite demonstrates high moisture absorption rates and rapid response to humidity fluctuations, making it ideal for application in artifact preservation, food storage, and electronics protection. Various analytical techniques, including scanning electron microscopy, Fourier-transform infrared spectroscopy, thermogravimetric analysis, and Brunauer-Emmett-Teller specific surface area testing, were employed to characterize the structural properties and composition of the material.</div></div><div><h3>Significant Findings</h3><div>Our findings reveal that the composite can stabilize air humidity between 65 % and 70 % relative humidity (RH) at 25 °C within 4 h and maintain this level for over 25 h. The material also exhibits a high moisture absorption capacity of up to 448.96 % of its weight, along with notable efficiency in moisture desorption.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106143"},"PeriodicalIF":5.5,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143828439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Improving the anti-corrosive performance of an epoxy coating by ionic liquid modified layered double hydroxide nanocontainer 离子液体改性层状双氢氧化物纳米容器提高环氧涂料的防腐性能

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-13 DOI: 10.1016/j.jtice.2025.106140

Kenan Sun , Yingxue Liu , Jiaqian Duan , Ya Li , Xugeng Guo

{"title":"Improving the anti-corrosive performance of an epoxy coating by ionic liquid modified layered double hydroxide nanocontainer","authors":"Kenan Sun , Yingxue Liu , Jiaqian Duan , Ya Li , Xugeng Guo","doi":"10.1016/j.jtice.2025.106140","DOIUrl":"10.1016/j.jtice.2025.106140","url":null,"abstract":"<div><h3>Background</h3><div>Functionalized composite coatings play a key role in protecting metals and alloys against corrosion in harsh environments.</div></div><div><h3>Methods</h3><div>Layered double hydroxide (LDH) modified with choline benzoate ionic liquid is successfully fabricated through coprecipitation and ion-exchange strategies, and then incorporated into an epoxy to generate the CB-LDH/EP composite coating. The anti-corrosive and self-healing abilities of the CB-LDH/EP are comprehensively evaluated.</div></div><div><h3>Significant findings</h3><div>The addition of CB-LDH active nanocontainer induces a clear increase in the polarization resistance of the coatings (from 9.36 × 10<sup>6</sup> to 4.35 × 10<sup>8</sup> Ω cm<sup>2</sup>). Moreover, the localized corrosion of the coating surface can be considerably retarded according to the long-term immersion experiments. Such an obvious enhancement in the corrosion resistance is attributed to the synergistic mechanism between the components of the polymer coating. The inherent lamellar structures of LDH enhance the physical barrier effect of the coating. Benefiting from the outstanding ion-exchange behavior, the LDH can serve as a storage station for corrosive anions like chloridion, and simultaneously the released benzoate anions from LDH galleries play a role of active corrosion protection. In addition, the choline cations can be adsorbed to the LDH surface because of their polar groups, indicative of a further improvement in the anti-corrosive performance of the coating.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106140"},"PeriodicalIF":5.5,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Introducing Rh-doped Mg(OH)2 on Ni-MOF as a symmetry electrode for accelerating urea oxidation reaction assisted hydrogen evolution 在Ni-MOF上引入掺铑Mg(OH)2作为加速尿素氧化反应的对称电极，辅助析氢

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-13 DOI: 10.1016/j.jtice.2025.106138

Zhenyu Wang , Yiming Wang , Cengceng Du , Yi Liu , Shengyin Luo , Xin Chen , Wenlong Zhang , Xinyu Liu , Wenjuan Xu , Peng Zheng , Sun Hong-bin , Guangwen Xu

{"title":"Introducing Rh-doped Mg(OH)2 on Ni-MOF as a symmetry electrode for accelerating urea oxidation reaction assisted hydrogen evolution","authors":"Zhenyu Wang , Yiming Wang , Cengceng Du , Yi Liu , Shengyin Luo , Xin Chen , Wenlong Zhang , Xinyu Liu , Wenjuan Xu , Peng Zheng , Sun Hong-bin , Guangwen Xu","doi":"10.1016/j.jtice.2025.106138","DOIUrl":"10.1016/j.jtice.2025.106138","url":null,"abstract":"<div><h3>Background</h3><div>Urea oxidation reaction (UOR) assisted H<sub>2</sub> evolution reaction (HER) holds promising for energy-saving H<sub>2</sub> production via the water electrolysis.</div></div><div><h3>Methods</h3><div>In this work, an alkaline earth metal species, Mg(OH)<sub>2</sub>, is applied to activate the catalytic performance of the Rh-based catalyst. The developed catalyst Rh-doped Mg(OH)<sub>2</sub> on Ni-MOF/NF has both excellent UOR and HER catalytic activities. Evidence is supported by experiments and calculations that the Rh/Mg(OH)<sub>2</sub> is the active site.</div></div><div><h3>Significant findings</h3><div>In a alkaline environment, the overpotential of HER is only 14 mV to 10 mA cm<sup>-2</sup> of the current density, and anodic potential of UOR is only 1.290 V. When assembling a symmetry electrolyzer, UOR assisted HER can save 200 mV compared to water electrolysis.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106138"},"PeriodicalIF":5.5,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823239","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Advanced process control for sulfur recovery units by artificial intelligence (AI) surrogate model 基于人工智能（AI）代理模型的硫磺回收装置高级过程控制

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-13 DOI: 10.1016/j.jtice.2025.106119

Jialin Liu , Hao-Che Chien , David Shan-Hill Wong , Cheng-Ting Hsieh

{"title":"Advanced process control for sulfur recovery units by artificial intelligence (AI) surrogate model","authors":"Jialin Liu , Hao-Che Chien , David Shan-Hill Wong , Cheng-Ting Hsieh","doi":"10.1016/j.jtice.2025.106119","DOIUrl":"10.1016/j.jtice.2025.106119","url":null,"abstract":"<div><h3>Background</h3><div>The modified Claus process is a major technology used for the recovery of elemental sulfur from acid gases. The process consists of two steps. In the first step, a portion of H<sub>2</sub>S is oxidized to SO<sub>2</sub> in a reaction furnace; the second step comprises the reaction of the remaining H<sub>2</sub>S with SO<sub>2</sub> at lower temperatures over a catalyst. The major manipulated variables (MVs) to maximize the sulfur recovery efficiency (SRE) are the combustion air flow rate and inlet gas temperature for the converter. However, both MVs encounter a process gain reverse problem for the controlled variable (CV), which refers to the outlet total sulfur. In addition, process control is limited by the significant time delay between the air flow rate and tail gas analyzer.</div></div><div><h3>Methods</h3><div>In this study, an artificial intelligence (AI) surrogate model was built and the movement of the MVs was evaluated using to minimize the sum of the predicted total sulfur in the prediction horizon. The assumption of future disturbance data is not necessary for the proposed approach.</div></div><div><h3>Significant findings</h3><div>In field operations, a specific H<sub>2</sub>S/SO<sub>2</sub> in the tail gas is maintained by the combustion air that is inefficient to minimize total sulfur. The total sulfur content can be reduced by approximately 12 % from 1.6 %–1.4 % compared with that of field operations by the advanced process control.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106119"},"PeriodicalIF":5.5,"publicationDate":"2025-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823237","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Optimizing Gd-Ni/MCM-41 catalyst for H2-rich syngas production via CH4 partial oxidation CH4部分氧化制富h2合成气的Gd-Ni/MCM-41催化剂优化

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-12 DOI: 10.1016/j.jtice.2025.106133

Salma A. Al-Zahrani , Ahmed S. Al-Fatesh , Ahmed Mohamed El-Toni , Najat Masood , Sahar Y. Rajeh , Ahmed Al Otaibi , Rawesh Kumar

{"title":"Optimizing Gd-Ni/MCM-41 catalyst for H2-rich syngas production via CH4 partial oxidation","authors":"Salma A. Al-Zahrani , Ahmed S. Al-Fatesh , Ahmed Mohamed El-Toni , Najat Masood , Sahar Y. Rajeh , Ahmed Al Otaibi , Rawesh Kumar","doi":"10.1016/j.jtice.2025.106133","DOIUrl":"10.1016/j.jtice.2025.106133","url":null,"abstract":"<div><h3>Background</h3><div>Methane is a highly potent greenhouse gas and one of the major culprits of global warming. Partial oxidation of methane (POM) is a catalytic route for getting hydrogen-rich syngas upon mitigation of methane. However, achieving > 80 % H<sub>2</sub> yield at low temperatures as 600 °C remains challenging.</div></div><div><h3>Methods</h3><div>Herein, 5 wt. % Ni supported over MCM-41 (an ordered mesoporous silicate) and 0.5–2 wt. % Gd promoted 5Ni/MCM-41 are prepared by impregnation method and investigated for POM at 600 °C. To validate activity results, catalysts are characterized by surface area and porosity, X-ray diffraction, Temperature programmed techniques, thermogravimetric analysis, Transmission electron microscopy, and X-ray photo electron microscopy.</div></div><div><h3>Significant findings</h3><div>Increasing loading of Gd over 5Ni/MCM-41catalysts is found to optimize the size of Ni crystallite as low as 7.6 nm (than 22.2 nm in 5Ni/MCM-41), to enhance the surface area up to 25 % and to expand the pore volume up to 28 %. At optimum Gd loading (1 wt. %), all active sites are generated, and ∼85 % H<sub>2</sub> yield with 2.3 H<sub>2</sub>/CO ratio is achieved constantly up to 240 min on stream. The low reaction temperature requirement (600 °C) and achieving consistently high H<sub>2</sub> yield make the 5Ni1Gd/MCM-41 catalyst reasonable for the next level of catalytic development for industrial applications.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":""},"PeriodicalIF":5.5,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143820325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Development of positively charged polyamide reverse osmosis membrane via polyethyleneimine spray coating for enhanced radionuclide rejection in water treatment 采用聚亚胺喷雾涂层的正电荷聚酰胺反渗透膜的研制及其对水处理中放射性核素的抑制作用

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-12 DOI: 10.1016/j.jtice.2025.106135

Muhammad ‘Adli Nor Azman , Pei Sean Goh , Ahmad Fauzi Ismail , Khairulnadzmi Jamaluddin , Nor Akalili Ahmad , Muhammad Hafizuddin Hazaraimi , Ahmad Syazwan Sahril

{"title":"Development of positively charged polyamide reverse osmosis membrane via polyethyleneimine spray coating for enhanced radionuclide rejection in water treatment","authors":"Muhammad ‘Adli Nor Azman , Pei Sean Goh , Ahmad Fauzi Ismail , Khairulnadzmi Jamaluddin , Nor Akalili Ahmad , Muhammad Hafizuddin Hazaraimi , Ahmad Syazwan Sahril","doi":"10.1016/j.jtice.2025.106135","DOIUrl":"10.1016/j.jtice.2025.106135","url":null,"abstract":"<div><div>While reverse osmosis (RO) is effective for treating radionuclide-contaminated wastewater, it is confronted by some limitations including membrane fouling and limited rejection towards ions with relatively small hydrated radii like Cs<sup>+</sup>. In this study, surface modification of PA TFC membranes is explored for the improvement of radionuclide rejection efficiency. A convenient spray coating method was employed to introduce a polyethyleneimine (PEI) layer of different concentrations on the membrane surface, thereby rendering desired positive surface charges for efficient rejection of Cs<sup>+</sup>, Cd<sup>2+</sup>, and Cr<sup>3+</sup> ions. The modified membranes were characterized in terms of their morphological changes, surface charge density, long-term stability and fouling resistance. The Cs<sup>+</sup>, Cd<sup>2+</sup> and Cr<sup>3+</sup> ion rejection of the optimized membrane, TFC membrane coated with 0.1 mg/l PEI, was significantly improved by 14.89 %, 17.39 % and 4.12 %, respectively. The surface features of the membrane remained unchanged over the 24-hour filtration testing, suggesting the stability of the coating layer. The findings of this study suggest that PEI spray coating can serve as a promising approach to improve radionuclide ion removal from aqueous systems and represents a promising approach for membrane-based wastewater treatment.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106135"},"PeriodicalIF":5.5,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Rod-shaped MoC-decorated CdS for boosted visible-light-driven H2 production 杆状moc装饰cd用于提高可见光驱动H2生产

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-12 DOI: 10.1016/j.jtice.2025.106134

Lijing Qiu, Na Li, Guoqing Zhang, Jiayang Zhang, Weizhou Jiao, Ruixin Wang

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