Journal of the Taiwan Institute of Chemical Engineers最新文献

Measurement and QSPR modeling of Flory–Huggins parameter for solvent-swollen gels, and gel catalyst informatics

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-27 DOI: 10.1016/j.jtice.2025.106159

Hideaki Tokuyama, Yuna Kamikawa, Teiji Kitajima

{"title":"Measurement and QSPR modeling of Flory–Huggins parameter for solvent-swollen gels, and gel catalyst informatics","authors":"Hideaki Tokuyama, Yuna Kamikawa, Teiji Kitajima","doi":"10.1016/j.jtice.2025.106159","DOIUrl":"10.1016/j.jtice.2025.106159","url":null,"abstract":"<div><h3>Background</h3><div>The polymer–solvent interaction parameter (Flory–Huggins parameter), <em>χ</em>, is a quantitative measure of the degree of interaction between polymer and solvent molecules, reflecting the solvent’s affinity for the polymer. Predicting <em>χ</em> using a quantitative structure–property relationship (QSPR) model helps bridge data gaps and facilitates the development of new materials. We explore the application of materials informatics to accelerate research and development (R&D) activities in laboratory-scale projects.</div></div><div><h3>Methods</h3><div>We constructed a <em>χ</em> database for amphiphilic polymer gels by synthesizing ten types of gels and determining their <em>χ</em> values with various solvents through swelling tests. QSPR modeling was employed to predict these <em>χ</em> values using the random forest machine learning algorithm based on descriptors for each polymer and solvent serving as independent variables. Gel catalyst informatics was applied by developing copolymer gels bearing sulfo groups as acidic catalysts and evaluating their performance in solvent-free esterification reactions.</div></div><div><h3>Findings</h3><div>The catalytic activities of copolymer gels were evaluated in relation to the <em>χ</em> values predicted by the QSPR model. This study presents the first predictive model for the <em>χ</em> values of amphiphilic polymer gels using QSPR modeling combined with machine learning, establishing a new database and contributing to the advanced design of functional materials for chemical engineering applications.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"173 ","pages":"Article 106159"},"PeriodicalIF":5.5,"publicationDate":"2025-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143877613","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

Improvement in fouling behavior of polyacrylonitrile membrane using dome-shaped support fabricated via 3D printing

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-27 DOI: 10.1016/j.jtice.2025.106152

Seyedeh Maral Hariri, Seyed Mahmoud Mousavi, Ehsan Saljoughi, Hamed Karkhanechi

{"title":"Improvement in fouling behavior of polyacrylonitrile membrane using dome-shaped support fabricated via 3D printing","authors":"Seyedeh Maral Hariri, Seyed Mahmoud Mousavi, Ehsan Saljoughi, Hamed Karkhanechi","doi":"10.1016/j.jtice.2025.106152","DOIUrl":"10.1016/j.jtice.2025.106152","url":null,"abstract":"<div><h3>Background</h3><div>Membrane fouling is one of the major concerns associated with membrane processes.</div></div><div><h3>Methods</h3><div>A novel dome-shaped composite membrane using 3D printing technology and a flat membrane were fabricated. In addition to investigating the characteristics of the membranes, their fouling behavior was evaluated using the wastewater of automotive hoses washing and also sodium alginate (SA) in three different concentrations of 300, 500, and 700 ppm. Also, the membranes’ chemical cleaning was investigated using sodium dodecyl sulfate (SDS) and sodium hypochlorite (NaClO).</div></div><div><h3>Significant findings</h3><div>Fouling results at 700 ppm concentration of SA solution, which was the highest concentration in this study, revealed that the total fouling ratio (R<sub>t</sub>) in the 1st cycle was obtained 26 % for the 3D composite membrane, while that for the flat membrane was calculated 53 %. The cleaning efficiencies for SDS and NaClO in the case of the flat membrane were nearly 89 %, while these values for the 3D composite membrane were almost equal to 100 %.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"173 ","pages":"Article 106152"},"PeriodicalIF":5.5,"publicationDate":"2025-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143877614","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

Understanding the adsorption of imidazo-pyrimidine derivative corrosion inhibitor at the P110 steel/CO2+H2S saturated simulated formation water interface: experimental and theoretical elucidation

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-27 DOI: 10.1016/j.jtice.2025.106149

Kashif Rahmani Ansari , Ambrish Singh , Ashutosh Tripathi , Ismat H. Ali , Pengjie Wang , M.A. Quraishi , Abdullah K. Alanazi , Yuanhua Lin

{"title":"Understanding the adsorption of imidazo-pyrimidine derivative corrosion inhibitor at the P110 steel/CO2+H2S saturated simulated formation water interface: experimental and theoretical elucidation","authors":"Kashif Rahmani Ansari , Ambrish Singh , Ashutosh Tripathi , Ismat H. Ali , Pengjie Wang , M.A. Quraishi , Abdullah K. Alanazi , Yuanhua Lin","doi":"10.1016/j.jtice.2025.106149","DOIUrl":"10.1016/j.jtice.2025.106149","url":null,"abstract":"<div><div>In order to improve energy safety and variation, sour gas reserves are important energy assets featuring a great deal of future growth possibilities. Nevertheless, due to its acidic character, sour gas manufacturing and utilization present significant difficulties. The available research shows that there aren't many effective environmental inhibitory compounds for sour medium due to conventional inhibitors frequently lead to ecological problems. The imidazo-pyrimidine derivative (IMPY), which is extremely degradable and excellent for inhibiting sour corrosion, was synthesized herein. The findings of the investigation showed that the inclusion of IMPY significantly decreased the rate of corrosion, with an inhibitory performance of 98.22 % at a dose of 75 mg/L. Chemical adsorption controls the inhibitory effectiveness, which is consistent to the Langmuir isotherms approach. Surfaces study (SEM, AFM, and SKP) showed that IMPY may have impeding properties. The atomic core of IMPY relationship was discovered by theoretical assessments, and docking research demonstrated its inhibiting capability towards proteins such as COVID-19, NADPH oxidase, xanthine oxidase, and Acidithiobacillus ferrooxidans (1H10).</div><div>The relative binding strengths indicate that IMPY has better xanthine oxidase inhibiting action. These outcomes demonstrate IMPY intriguing multifaceted qualities, establishing its status as a safe corrosion suppressor for P110 steel and suggesting possible uses in biomedicine. Additionally, the DFT and MD studies validate the quantitative outcomes and show a greater adhesion capability for IMPY.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"173 ","pages":"Article 106149"},"PeriodicalIF":5.5,"publicationDate":"2025-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143877237","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

Semi-industrial experiment on efficient preparation of nickel-iron alloy from laterite nickel ore: a suspension roasting pre-reduction electric furnace melting (SRPEF) process

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-27 DOI: 10.1016/j.jtice.2025.106164

Mingxing Wang , Qinglong Fan , Zhe Bai , Shuai Yuan , Yanjun Li , Yuexin Han

{"title":"Semi-industrial experiment on efficient preparation of nickel-iron alloy from laterite nickel ore: a suspension roasting pre-reduction electric furnace melting (SRPEF) process","authors":"Mingxing Wang , Qinglong Fan , Zhe Bai , Shuai Yuan , Yanjun Li , Yuexin Han","doi":"10.1016/j.jtice.2025.106164","DOIUrl":"10.1016/j.jtice.2025.106164","url":null,"abstract":"<div><h3>Background</h3><div>The rotary kiln-electric furnace (RKEF) smelting process is the primary method for producing ferronickel from laterite nickel ore. However, the temperature of the pre-reduced product is relatively low, and the degree of reduction is insufficient.</div></div><div><h3>Method</h3><div>This study proposes an innovative suspension roasting pre-reduction electric furnace smelting (SRPEF) process and conducts semi-industrial trials using laterite nickel ore.</div></div><div><h3>Significant findings</h3><div>The results indicate that under a pre-reduction temperature of 850 °C, a fluidizing air volume of 13 m<sup>3</sup>/h, a coal blending ratio of 14 %, and a feed rate of 80 kg/h, the roasted material achieved a ferronickel alloy with a nickel grade of 14.28 % and an iron grade of 79.89 % after entering the electric furnace. The pre-reduction products exhibited a high degree of reduction, with some metallization, which helps shorten the reduction time in the electric furnace. The equipment maintained continuous and stable operation for 48 h. Product analysis revealed the phase transformations and migration behavior of nickel and iron elements during the SRPEF process, offering a novel and efficient approach for utilizing laterite nickel ore.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"173 ","pages":"Article 106164"},"PeriodicalIF":5.5,"publicationDate":"2025-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143877615","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

Interfacial nanoarchitectonics of SiOx via CVD carbon coating and vapor-phase polymerized PEDOT for enhanced lithium-ion battery anode performance

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-27 DOI: 10.1016/j.jtice.2025.106148

Yu-Sheng Hsiao , Hsueh-Sheng Tseng , Lin-Yang Weng , Sheng-Wei Liao , Jen-Hsien Huang , Wei Kong Pang , Shih-Chieh Hsu , Huei Chu Weng , Yu-Ching Huang

{"title":"Interfacial nanoarchitectonics of SiOx via CVD carbon coating and vapor-phase polymerized PEDOT for enhanced lithium-ion battery anode performance","authors":"Yu-Sheng Hsiao , Hsueh-Sheng Tseng , Lin-Yang Weng , Sheng-Wei Liao , Jen-Hsien Huang , Wei Kong Pang , Shih-Chieh Hsu , Huei Chu Weng , Yu-Ching Huang","doi":"10.1016/j.jtice.2025.106148","DOIUrl":"10.1016/j.jtice.2025.106148","url":null,"abstract":"<div><h3>Background</h3><div>Thanks to the high theoretical capacity, silicon oxides (SiO<sub>x</sub>) hold great potential as anode materials for the next-generation high-performance lithium-ion batteries (LIBs). However, the low conductivity and substantial volume fluctuations of SiO<sub>x</sub> result in significant polarization and rapid capacity fading, greatly hindering its electrochemical performance and practical application.</div></div><div><h3>Methods</h3><div>To overcome the inherent challenges of SiO<sub>x</sub>, herein, a dual surface modification consisting of a carbon layer and conducting polymer layer is coated on SiO<sub>x</sub>. The process involves chemical vapor deposition (CVD) with C<sub>2</sub>H<sub>2</sub> as the carbon source, followed by vapor-phase polymerization (VPP) to form high-quality carbon and poly(3,4-ethylenedioxythiophene) (PEDOT) layers on SiO<sub>x</sub>.</div></div><div><h3>Significant findings</h3><div>The dual-modified layers provide the resulting SiO<sub>x</sub> with enhanced electrical conductivity and improved structural stability. The modified SiO<sub>x</sub> demonstrates a high charge capacity of 1660.1 mAh/g at 0.1C, remarkable rate performance with the charge capacity of 945.0 mAh/g at 3C, and superior cycling span (∼812.7 mAh/g over 200 cycles). In addition, the modified SiO<sub>x</sub> demonstrates excellent compatibility with conventional graphite (GP) anode material, significantly enhancing its electrochemical performance.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"173 ","pages":"Article 106148"},"PeriodicalIF":5.5,"publicationDate":"2025-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143877236","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

Superior adsorption of tetracycline onto magnetic rectorite/algal sludge/lake sediment composite

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-19 DOI: 10.1016/j.jtice.2025.106141

Ting Zeng , Rui Liu , Peijiang Zhou , Guiling Gao , Chaoqi Chen

{"title":"Superior adsorption of tetracycline onto magnetic rectorite/algal sludge/lake sediment composite","authors":"Ting Zeng , Rui Liu , Peijiang Zhou , Guiling Gao , Chaoqi Chen","doi":"10.1016/j.jtice.2025.106141","DOIUrl":"10.1016/j.jtice.2025.106141","url":null,"abstract":"<div><h3>Background</h3><div>The development of effective technologies for removing tetracycline (TC) from aquatic environments is crucial. In this study, the superior adsorption and separation properties of Fe-RASs for TC were investigated, and the removal mechanism of TC was proposed.</div></div><div><h3>Methods</h3><div>Fe-RASs were synthesized by metal modification methods (impregnation and co-precipitation) and iron valences (Fe<sup>2+</sup>, Fe<sup>3+</sup>, and Fe<sup>6+</sup>). The structure and physicochemical properties of Fe-RASs were characterized by SEM, XRD, FTIR, BET, XPS, and VSM. The influence of pH and temperature on the adsorption characteristics, as well as the adsorption isotherm and kinetics was investigated.</div></div><div><h3>Significant findings</h3><div>Fe<sup>6+</sup>-RAS, prepared by pyrolysis following impregnation with K<sub>2</sub>FeO<sub>4</sub>, shows superior TC adsorption capacity (Q<sub>m</sub>: 191.32 mg/g), presenting an efficient and eco-friendly adsorbent. The adsorption mechanism mainly includes pore filling, surface complexation, π-π interaction, hydrogen bonding and electrostatic interaction. Fe-RASs are easy to recover and reduce secondary contamination. In summary, this study realizes the conversion of solid waste into value-added products for environmental remediation, and is expected to offer valuable references on the synthesis method and appropriate iron sources for the pyrolysis of magnetic materials.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106141"},"PeriodicalIF":5.5,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143850575","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

Enhancing physical, mechanical, and durability properties of slag-based geopolymers through ceramic waste incorporation: A comprehensive optimization study

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-19 DOI: 10.1016/j.jtice.2025.106144

Amirouche Berkouche , Ahmed Abderraouf Belkadi , Lysa Benaddache , Tahar Tayebi , Salima Aggoun

{"title":"Enhancing physical, mechanical, and durability properties of slag-based geopolymers through ceramic waste incorporation: A comprehensive optimization study","authors":"Amirouche Berkouche , Ahmed Abderraouf Belkadi , Lysa Benaddache , Tahar Tayebi , Salima Aggoun","doi":"10.1016/j.jtice.2025.106144","DOIUrl":"10.1016/j.jtice.2025.106144","url":null,"abstract":"<div><h3>Background</h3><div>The demand for sustainable construction materials has driven research into geopolymer mortars (GPs) as an alternative to cement-based materials. This study explores the use of ceramic waste powder (CWP) as a partial replacement for ground blast furnace slag (GBFS) in GPs, optimizing mix design to enhance workability, mechanical performance, and durability. The influence of CWP content and activator-to-precursor (Ac/Pr) ratio was systematically evaluated.</div></div><div><h3>Methods</h3><div>Nine GP mixtures were formulated using a central composite design (CCD), varying CWP content (0–25 %) and Ac/Pr ratio (0.7–0.75). Workability was assessed via slump test, compressive strength at 7 and 28 days, and water absorption to evaluate porosity. Sulfuric acid resistance was tested after 60-day immersion in a 3.5 % acid solution. Phase composition was analyzed using FTIR and SEM/EDX, and desirability optimization identified the optimal mix.</div></div><div><h3>Significant Findings</h3><div>Increasing CWP content improved workability and long-term compressive strength, with the optimal mix (21.693 % CWP, Ac/Pr = 0.725) achieving 86.343 MPa at 28 days and 6.093 % water absorption. CWP enhanced acid resistance, reducing strength loss to 35.531 % due to a stable aluminosilicate network. FTIR confirmed degradation mechanisms, including decalcification and dealumination. The study highlights CWP's potential in GPs, balancing workability, strength, and durability. Its enhanced resistance to acidic environments makes it a promising material for sustainable construction, particularly in wastewater treatment infrastructures and industrial flooring exposed to harsh chemical conditions.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106144"},"PeriodicalIF":5.5,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143847634","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

Investigation of the pore structure and surface properties of polysulfone membrane on the resultant polyamide layer and the performance of the reverse osmosis membrane

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-19 DOI: 10.1016/j.jtice.2025.106147

Lu Gao , Yingying Zhao , Xiaowen Huo , Haitao Wang , Jun Li , Na Chang

{"title":"Investigation of the pore structure and surface properties of polysulfone membrane on the resultant polyamide layer and the performance of the reverse osmosis membrane","authors":"Lu Gao , Yingying Zhao , Xiaowen Huo , Haitao Wang , Jun Li , Na Chang","doi":"10.1016/j.jtice.2025.106147","DOIUrl":"10.1016/j.jtice.2025.106147","url":null,"abstract":"<div><h3>Background</h3><div>Polyamide (PA) thin-film composite reverse osmosis (RO) membranes are mainly composed of nonwoven fabric layer, polysulfone (PSF) ultrafiltration support layer, and polyamide separation layer. The structure of PSF membrane plays a decisive role for the properties and morphology of the PA layer. However, the properties and structural parameters of PSF membranes suitable for fabricating high-performance RO membrane are ambiguous, and the relationship between the structure of PSF membrane and the property of PA layer are still unclear.</div></div><div><h3>Methods</h3><div>Here, PSF membranes with different cross-sectional structures, pore-size distributions, surface porosity, and hydrophilicity were prepared by introducing PEG with different molecular weight and concentration, which altered the viscosity of the casting solution and the solvent/nonsolvent exchange rate. Based on these PSF membranes, RO membranes were fabricated to investigate the impact of PSF membrane on the structure of PA layer.</div></div><div><h3>Significant findings</h3><div>PSF membrane with larger pore-size (> 100 nm) and hydrophobic surface resulted to defects of the PA layer due to the uneven dispersion of the MPD-containing aqueous solution, while PSF membrane with relative high porosity (3–5 %) and hydrophilic surface lead to irregular PA layer originated from excessive penetration of aqueous solution to the PSF membrane. Thus, PSF membranes suitable for the formation of uniform and dense PA thin-layer should have a relatively dense cross-sectional structure, smaller pore-size (40–60 nm) and lower surface porosity (<3 %).</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"173 ","pages":"Article 106147"},"PeriodicalIF":5.5,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143850657","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

Robust hollow fiber nanofiltration membranes with high stability for wastewater process by dynamic layer-by-layer assembly

IF 5.5 3区工程技术

Journal of the Taiwan Institute of Chemical Engineers Pub Date : 2025-04-19 DOI: 10.1016/j.jtice.2025.106146

Liu Ye , Yingbo Chen , Linzhe Xu , Shuang Fu , Xintong Wu

{"title":"Robust hollow fiber nanofiltration membranes with high stability for wastewater process by dynamic layer-by-layer assembly","authors":"Liu Ye , Yingbo Chen , Linzhe Xu , Shuang Fu , Xintong Wu","doi":"10.1016/j.jtice.2025.106146","DOIUrl":"10.1016/j.jtice.2025.106146","url":null,"abstract":"<div><div>The stability of nanofiltration membranes in wastewater treatment represents a primary constraint to their development. In this work, hollow fiber nanofiltration membranes with robust stability were prepared by dynamic layer-by-layer (LBL) assembly of poly (sodium 4-benzenesulfonate) (PSS) and poly (diallyldimethyl ammonium chloride) (PDDA) on the internal surface of poly (ether sulfone) (PES) hollow fiber ultrafiltration membranes. The effect of different coating layers on the membrane performance was assessed, and the findings revealed that the LBL membrane with the optimal coating layer of 2 had a pure water permeance of 9.59 L m<sup>−2</sup> h<sup>−1</sup> bar<sup>−1</sup> with rejection of 92.11 % and 87.28 % for Na<sub>2</sub>SO<sub>4</sub> and MgSO<sub>4</sub>, respectively. Consistent pure water permeance was attained even after four cycles of anti-fouling testing, at varied pH values and backwashing. In the actual wastewater treatment, the membrane still maintained a stable permeance, the rejection of Ca<sup>2+</sup>, Mg<sup>2+</sup> and SO<sub>4</sub><sup>2−</sup> ions in the wastewater were 81.25 %, 87.81 % and 76.79 % respectively, and the rejection of total organic carbon reached up to 92.90 %. In summary, the membranes that had been developed exhibit economic efficiency and held significant potential for use in industrial production and real wastewater treatment procedures.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106146"},"PeriodicalIF":5.5,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143850576","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

Synthesis of alkaline protease modified ALPs-V2O5/MCM-41 nanocomposite and their multifunctional applications as an efficient photocatalytic, antibacterial and DPPH radicals stabilizing agent

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.2025.106136

Khalil ur Rehman , Imen Zghab , Mohammed Alissa , Kamran Tahir , Amira K. Hajri , Ferjeni Zouidi , Abdullah Alghamdi , Suad A. Alghamdi , Mohammed A. Alshehri , Alaa S. Alhegaili

{"title":"Synthesis of alkaline protease modified ALPs-V2O5/MCM-41 nanocomposite and their multifunctional applications as an efficient photocatalytic, antibacterial and DPPH radicals stabilizing agent","authors":"Khalil ur Rehman , Imen Zghab , Mohammed Alissa , Kamran Tahir , Amira K. Hajri , Ferjeni Zouidi , Abdullah Alghamdi , Suad A. Alghamdi , Mohammed A. Alshehri , Alaa S. Alhegaili","doi":"10.1016/j.jtice.2025.106136","DOIUrl":"10.1016/j.jtice.2025.106136","url":null,"abstract":"<div><h3>Background</h3><div>The development of eco-friendly and sustainable nanomaterials is crucial for environmental safety and biomedical applications. This study presents a novel approach to synthesizing vanadium oxide-doped MCM-41 nanocomposites (V₂O₅/MCM-41) using an alkaline protease (ALPs) extracted from <em>Phalaris minor</em> seeds.</div></div><div><h3>Method</h3><div>The ALPs-assisted synthesis method was employed for the first time to fabricate V₂O₅/MCM-41 nanocomposites, and their physicochemical properties were characterized to determine size, morphology, and crystallinity.</div></div><div><h3>Significant findings</h3><div>The synthesized ALPs-V₂O₅/MCM-41 nanocomposites exhibited outstanding photocatalytic performance, achieving 97 % degradation of bromothymol blue (BTB) within 50 min of irradiation. Additionally, the synthesized nanocomposites exhibited strong antibacterial properties against <em>Escherichia coli</em> and Staphylococcus aureus, with inhibition zones measuring between 22(±0.3) mm and 31(±0.4) mm under both illuminated and non-illuminated conditions. Moreover, they exhibited remarkable antioxidant properties, with an 88 % scavenging efficacy against 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicals.</div></div><div><h3>Conclusion</h3><div>These findings highlight the potential of ALPs-V₂O₅/MCM-41 nanocomposites as a sustainable and multifunctional material for environmental remediation and antimicrobial applications, paving the way for further research in eco-friendly nanotechnology.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"172 ","pages":"Article 106136"},"PeriodicalIF":5.5,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844307","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