Journal of the Taiwan Institute of Chemical Engineers最新文献

{"title":"Synthesis of highly porous covalent organic frameworks for green hydrogen storage applications","authors":"Amani Chrouda ,&nbsp;Chaker Briki ,&nbsp;Khalifa Slimi ,&nbsp;Abdelmajid Jemni ,&nbsp;Mohsen Ahmadipour","doi":"10.1016/j.jtice.2025.106005","DOIUrl":"10.1016/j.jtice.2025.106005","url":null,"abstract":"<div><h3>Background</h3><div>Hydrogen is a clean energy source that is commonly available in the natural world. As an alternative energy option, hydrogen proves exceptionally valuable as green fuel. Hydrogen fuel cells further contribute to unprecedented vehicle efficiencies. One of the main obstacles to hydrogen's widespread use as an energy source is its safe and effective storage. Because of their intrinsic characteristics, COF-MTF stands out as a new family exhibit notable flexibility and a porous structure making them versatile for hydrogen storage and clean energy applications.</div></div><div><h3>Methods</h3><div>This study aimed to develop an innovative Covalent Organic Framework based on melamine-terephthalaldehyde (COF-MTF) for efficient and sustainable hydrogen storage. The COF-MTF was prepared by directly reacting melamine with terephthalaldehyde through a schiff base reaction. Characterization of the sample was conducted using various techniques, including thermogravimetric analysis (TGA), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and Brunauer-Emmett-Teller (BET) surface area analysis.</div></div><div><h3>Significant findings</h3><div>The synthesized COF-MTF networks demonstrated a significant BET surface area of 1986 m².g^-1. It demonstrated notable isosteric heat of adsorption values between 28.7 and 33.5 kJ/mol and achieved a maximum N₂ uptake of 171 mg (N₂)/g at 298 K and 25 atm. Subjected to repeated cycles of H₂ gas adsorption, COF-MTF highlighted exceptional adsorbent stability, maintaining over 99.9 % of its adsorption capacity after 10 cycles. The calculated isosteric heat of hydrogen adsorption by the COF-MTF compound equals 8.447 KJ.mol⁻¹. With relatively high H₂ uptake, this study highlighted COF-MTF as a promising candidate for advancing green hydrogen storage technologies to achieve sustainable development goals (SDGs).</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"170 ","pages":"Article 106005"},"PeriodicalIF":5.5,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143395458","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}

{"title":"Revisiting the softening and melting behavior of sinter under simulated blast furnace conditions: Part I – Thermodynamic and experimental insights on working line","authors":"Yu-ning Chiu ,&nbsp;Kai-chun Chang ,&nbsp;Wen-chien Tsai ,&nbsp;Yu-jia Hu ,&nbsp;Jia-shyan Shiau ,&nbsp;Ke-miao Lu ,&nbsp;Tsung-yen Huang ,&nbsp;Shan-wen Du ,&nbsp;Ping-chieh Cheng ,&nbsp;Yi-chen Kuo ,&nbsp;Ker-chang Hsieh ,&nbsp;Hao-long Chen ,&nbsp;Shih-kang Lin","doi":"10.1016/j.jtice.2025.106013","DOIUrl":"10.1016/j.jtice.2025.106013","url":null,"abstract":"<div><h3>Background</h3><div>Due to the complex reaction conditions within the blast furnace (BF), often termed a “black box”, previous research has largely relied on oversimplified experimental setups. This limitation has significantly impeded the accurate investigation of the detailed mechanisms governing the softening and melting (S&amp;M) behaviors of sinter ore. To address these challenges, this study establishes experimental conditions designed to more closely replicate the internal BF environment, guided by the concept of the BF working line.</div></div><div><h3>Methods</h3><div>A novel Blast Furnace Simulator, equipped with an in-line mass spectrometry (MS) gas analyzer, was employed to replicate the BF conditions with high fidelity. The exhaust gas compositions were continuously monitored and quantified, enabling precise calculations of the indirect, direct, and overall reduction degrees during the experiment.</div></div><div><h3>Significant Findings</h3><div>A mechanistic understanding of key S&amp;M behaviors, including mechanical softening at 1000 °C, physico-chemical softening at 1150 °C, and the sharp pressure drop accompanied by the collapse of the core-shell structure at 1330 °C, is characterized. The findings underscore the critical role of the core-shell structure in maintaining gas diffusion pathways, which are closely tied to the permeability performance of BF operations. These insights into S&amp;M mechanisms under simulated BF conditions provide a strong foundation for advancing research on hydrogen-enriched BF operations.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"170 ","pages":"Article 106013"},"PeriodicalIF":5.5,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143395461","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}

{"title":"Enhanced performance of air gap membrane distillation for azo dye wastewater treatment using oxygen-plasma-modified PVDF and PTFE membranes","authors":"Hismi Susane ,&nbsp;Ya-Fen Wang ,&nbsp;Sheng-Jie You","doi":"10.1016/j.jtice.2025.106006","DOIUrl":"10.1016/j.jtice.2025.106006","url":null,"abstract":"<div><h3>Background</h3><div>Membrane distillation (MD) faces challenges, such as low permeate flux, membrane fouling, and wetting. Recent advancements have focused on membrane surface modification to improve efficiency of MD, with plasma irradiation emerging as a promising technique.</div></div><div><h3>Methods</h3><div>Polytetrafluoroethylene (PTFE) and polyvinylidene fluoride (PVDF) membranes were modified by oxygen plasma irradiation and applied in air gap membrane distillation (AGMD) to treat dye wastewater, specifically CI Reactive Red 241 (RR) and CI Acid Yellow 79 (AY). Permeate flux, color removal efficiency, and fouling factors were also evaluated.</div></div><div><h3>Significant Findings</h3><div>The modified membranes exhibited changes in surface morphology and increased surface roughness with water contact angles of 135° (PVDF) and 145° (PTFE). The highest average permeate flux for the modified PTFE was 9.53 kg/m².h during the water test, and decreased with increasing dye concentration. The color removal exceeded 99 % with fouling factors of 24.57 % for RR and 35.10 % for AY. The modified PVDF membrane achieved a permeate flux of 17.50 kg/m².h for AY. However, the color removal was only 48.92 %, suggesting wetting issues. Plasma-modified PTFE can potentially improve the AGMD performance in dye treatment; however, further optimization of the modified PVDF is needed. This study emphasizes the importance of understanding the chemical interactions between dyes and membrane materials for optimizing the AGMD processes.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"170 ","pages":"Article 106006"},"PeriodicalIF":5.5,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143395459","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}

{"title":"Corrigendum to “Sun-light-driven Z-scheme photocatalytic annihilation of Rhodamine B, Hydrogen production and stability assessment via facile hydrothermal preparation of novel nanocomposite Nb2O5/TiS2” [Journal of the Taiwan Institute of Chemical Engineers 169 (2025) 105976-105989]","authors":"Muhammad Tanveer ,&nbsp;M.A Qadeer ,&nbsp;Ahmad Ruhan Ali ,&nbsp;Jineetkumar Gawad ,&nbsp;Husnain Haider Cheema ,&nbsp;Safeera Yasmeen ,&nbsp;Abdulaziz Bentalib ,&nbsp;Muhammad Tahir","doi":"10.1016/j.jtice.2025.106010","DOIUrl":"10.1016/j.jtice.2025.106010","url":null,"abstract":"","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"170 ","pages":"Article 106010"},"PeriodicalIF":5.5,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143378952","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}

{"title":"Engineering heterojunction of multi-morphologies and bifunctional hybrid rGO-V2O5 embedded CeO2 nanostructures for robust visible-light-driven dye degradation and supercapacitor","authors":"Sahil S Magdum ,&nbsp;Mrunal Bhosale ,&nbsp;Gowthami Palanisamy ,&nbsp;Karuppaiah Selvakumar ,&nbsp;Sadhasivam Thangarasu ,&nbsp;Tae Hwan Oh","doi":"10.1016/j.jtice.2025.106002","DOIUrl":"10.1016/j.jtice.2025.106002","url":null,"abstract":"<div><h3>Background</h3><div>The photocatalytic degradation of organic pollutants utilizing advanced semiconductor materials has attracted significant attention for achieving pollutant-free water systems. Assessing the photocatalytic properties of materials for energy storage applications within the framework of designing a singular material capable of fulfilling multiple functions.</div></div><div><h3>Methods</h3><div>The fabrication of a ternary nanostructured heterojunction photocatalyst composed of rGO, V₂O₅, and CeO₂ developed through a facile solvothermal process. Systematic investigations of rGO-V₂O₅-CeO₂ (rG-V-C) photocatalysts were conducted by varying catalyst compositions, doses, and pH levels.</div></div><div><h3>Significant Findings</h3><div>The nanostructured rG-V-C enhances the surface properties of photocatalyst, which creates abundant active sites, and significantly facilitate charge carrier transfer for boosting dye degradation efficiency. The optimal rG-V-C-1 catalyst demonstrated remarkable photocatalytic performance, achieving 94.15 % rhodamine B (RhB) degradation under visible-light irradiation within 90 min. Scavenger tests indicated that generating O₂^•− and ^•OH radicals is the primary mechanism for enhanced RhB degradation. The excellent photocatalytic performance of rG-V-C composite is attributed to compelling synergy, which prevents photogenerated electron-hole recombination, and enhances charge separation and transfer. Furthermore, the rG-V-C composite showed efficient supercapacitor performances due to the existence of a synergetic effect via effective interaction between each compound in the composite structure (462 F/g at 1A g⁻¹ in a 1MLiClO₄-PC).</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"170 ","pages":"Article 106002"},"PeriodicalIF":5.5,"publicationDate":"2025-02-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143378951","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}

{"title":"Investigation of transport and acoustic properties of binary mixtures of 2–amino–1–butanol with isomeric butanol at 298.15 K–318.15 K: Graph theoretical approach and bloomfield–Devan model","authors":"Sweety Verma ,&nbsp;Kavitha Kumari ,&nbsp;Suman Gahlyan ,&nbsp;Seung Jun Baek ,&nbsp;Juwon Min ,&nbsp;Sanjeev Maken","doi":"10.1016/j.jtice.2025.106001","DOIUrl":"10.1016/j.jtice.2025.106001","url":null,"abstract":"<div><h3>Background</h3><div>Transport and acoustic properties for binary mixtures of 2–amino-1–butanol (2AB) with isomeric butanol were measured across the temperature range (298.15–318.15) K. This study focuses on the deviation in viscosity (<span><math><mrow><mstyle><mi>Δ</mi></mstyle><mi>η</mi></mrow></math></span>), speed of sound (<span><math><mrow><mstyle><mi>Δ</mi></mstyle><mi>u</mi></mrow></math></span>), and excess isentropic compressibility (<span><math><msubsup><mi>κ</mi><mi>S</mi><mi>E</mi></msubsup></math></span>) to explore the intermolecular interactions in the mixtures.</div></div><div><h3>Methodology</h3><div>The <span><math><mrow><mstyle><mi>Δ</mi></mstyle><mi>η</mi></mrow></math></span>, <span><math><mrow><mstyle><mi>Δ</mi></mstyle><mi>u</mi></mrow></math></span>, and <span><math><msubsup><mi>κ</mi><mi>S</mi><mi>E</mi></msubsup></math></span> were derived from experimental measurements. The Bloomfield–Devan model (BFD) and the Graph theoretical approach (GTA) were applied to analyze the <span><math><mrow><mstyle><mi>Δ</mi></mstyle><mi>η</mi></mrow></math></span> and <span><math><msubsup><mi>κ</mi><mi>S</mi><mi>E</mi></msubsup></math></span> data at 298.15 K, respectively. Several empirical relations–such as Nomoto, Van Dael, Impedance, and Schaaff's collision factor (CFT) theory were used to corroborate the <span><math><mrow><mstyle><mi>Δ</mi></mstyle><mi>u</mi></mrow></math></span>data. In contrast, Jacobson's free length theory (JFLT) was employed to predict the <span><math><mrow><mstyle><mi>Δ</mi></mstyle><mi>u</mi></mrow></math></span>data.</div></div><div><h3>Significant Findings</h3><div>The excess/deviation in properties was analyzed to elucidate intermolecular interactions in the mixtures. The <span><math><mrow><mstyle><mi>Δ</mi></mstyle><mi>η</mi></mrow></math></span> values exhibit the pattern: <em>tert</em>–butanol &gt; <em>sec</em>–butanol &gt; isobutanol &gt; <em>n</em>–butanol whereas <span><math><mrow><mstyle><mi>Δ</mi></mstyle><mi>u</mi></mrow></math></span> values follow an opposite trend. Theoretical predictions aligned closely with experimental results, and the impact of temperature on the observed properties was also analyzed.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"170 ","pages":"Article 106001"},"PeriodicalIF":5.5,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143377003","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}

{"title":"Solubility, solvent effects and thermodynamic properties of N-Ethyl-p-toluenesulfonamide in twelve pure organic solvents","authors":"Xiao Bian ,&nbsp;Guangle Wang ,&nbsp;Weibing Dong ,&nbsp;Xiaobo Yang ,&nbsp;Zhiguo Song ,&nbsp;Yongwen Ying ,&nbsp;Yi Zhang","doi":"10.1016/j.jtice.2025.106009","DOIUrl":"10.1016/j.jtice.2025.106009","url":null,"abstract":"<div><h3>Background</h3><div>The investigation of the solubility of N-Ethyl-p-toluenesulfonamide (N-PTSA) in organic solvents is crucial for its separation and purification in industrial processes.</div></div><div><h3>Methods</h3><div>The main interaction sites and interaction forces between N-PTSA molecules were identified through surface electrostatic, Hirshfeld surface, and 2D fingerprints analysis. And, the impact of solvent type on solubility was forecasted. Then, we utilized a traditional gravimetric method to determine the solubility of N-PTSA within a group of twelve pure solvents. These solvents included alcohols, esters, as well as ketones. The temperature ranging from 278.15 K to 323.15 K.</div></div><div><h3>Significant Findings</h3><div>The solubility of N-PTSA increases consistently with rising temperature across all solvents. Additionally, the solubility data was correlated using the modified Apelblat model, λh model, van't Hoff model, and NRTL model. The average values of average relative deviation are all below 5 %, indicates that all four selected models demonstrate accurate fits on the solubility data. In addition, the solute-solvent interaction results obtained from activity coefficient calculation further explain the reasons for the solubility differences of N-PTSA in different types of solvents. Finally, the positive apparent thermodynamic parameters values of Δ_sol<em>H</em>⁰, Δ_sol<em>G</em>⁰, and Δ_sol<em>S</em>⁰ reveals that the dissolution of N-PTSA in all the neat solvents is an endothermic, non-spontaneous and entropy-driven process.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"170 ","pages":"Article 106009"},"PeriodicalIF":5.5,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143348018","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}

{"title":"Multi-Technique assessment of zaleplon for corrosion control in mild steel using 1M HCl media: A study incorporating molecular dynamics, electrochemical testing, and morphological evaluation","authors":"Abhinay Thakur ,&nbsp;Omar Dagdag ,&nbsp;Avni Berisha ,&nbsp;Valentine Chikaodili Anadebe ,&nbsp;Deepak Sharma ,&nbsp;Hari Om ,&nbsp;Ashish Kumar","doi":"10.1016/j.jtice.2025.105995","DOIUrl":"10.1016/j.jtice.2025.105995","url":null,"abstract":"<div><h3>Background</h3><div>Corrosion of mild steel in acidic environments is a significant concern, leading to material degradation and failure in several industrial applications. This study investigates the efficacy of Zaleplon as a corrosion inhibitor for mild steel in 1 M HCl media, a critical concern for the longevity and safety of steel structures.</div></div><div><h3>Methods</h3><div>The study employed various analytical techniques including electrochemical impedance spectroscopy, potentiodynamic polarization, and surface analysis methods such as scanning electron microscopy, energy-dispersive X-ray spectroscopy, etc. Additionally, Density Functional Theory, Monte Carlo and Molecular Dynamics Simulations were performed to understand the interaction mechanisms at the molecular level.</div></div><div><h3>Significant Findings</h3><div>The results demonstrated that Zaleplon significantly enhances the corrosion resistance of mild steel. Weight loss measurements showed Zaleplon reduced mild steel corrosion rate by achieving 90.4% inhibition efficiency at 600 ppm. EIS data indicated charge transfer resistance increased from 59.88 Ω cm² (untreated) to 131.67 Ω cm² (600 ppm), with 94.57% efficiency. SEM revealed fewer corrosion pits in treated samples, and EDX confirmed higher iron content. Activation energy rose from 19.975 kJ/mol (untreated) to 49.973 kJ/mol (600 ppm). Molecular dynamics simulations showed strong Zaleplon adsorption with -226.05 kcal/mol energy, highlighting Zaleplon's potential for protecting mild steel in acidic environments.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"170 ","pages":"Article 105995"},"PeriodicalIF":5.5,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143144503","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}

{"title":"Effect of Co doping on active oxygen species of CoxCe1-xOy mixed oxide catalysts derived from MOF materials for soot combustion","authors":"Junhao Jing ,&nbsp;Zhitao Han ,&nbsp;Yubin Liu ,&nbsp;Chuanqiu Gao ,&nbsp;Tingjun Liu ,&nbsp;Liangzheng Lin ,&nbsp;Sihan Yin ,&nbsp;Dong Ma","doi":"10.1016/j.jtice.2025.106003","DOIUrl":"10.1016/j.jtice.2025.106003","url":null,"abstract":"<div><h3>Background</h3><div>Cerium-based materials have the potential to be used as catalysts for diesel particulate filters. The development of Cerium-based MOF derived catalysts is an important way to explore these materials for DPF applications.</div></div><div><h3>Methods</h3><div>In this work, Co<em>_x</em>Ce_1-<em>_x</em>O<em>_y</em> catalysts were synthesized by calcining cobalt-cerium bimetallic MOF precursors. The prepared catalysts were characterized using XRD, Raman, SEM, N₂ adsorption-desorption, XPS, H₂-TPR, and O₂-TPD, and tested for soot oxidation activity and performed DFT calculations.</div></div><div><h3>Significant findings</h3><div>Raman spectra analysis revealed that Co_0.2Ce_0.8O<em>_y</em> catalyst had a larger maximum half-width and was more likely to form oxygen defects. Compared with CeO₂ catalyst, N₂ adsorption-desorption results demonstrated that Co_0.2Ce_0.8O<em>_y</em> catalyst possessed a larger specific surface area (61.4 m²·g⁻¹). XPS, H₂-TPR, and O₂-TPD characterizations indicated that Co_0.2Ce_0.8O<em>_y</em> catalyst possessed a higher content of active oxygen (45.2 %), a greater consumption amount of hydrogen (7.5 mmol·g⁻¹), and a larger total desorption amount of oxygen species (1.16 mmol·g⁻¹). Catalytic activity test results showed that Co_0.2Ce_0.8O<em>_y</em> catalyst exhibited better soot oxidation activity (T₉₀ = 406 °C). DFT calculations demonstrated that Co_0.2Ce_0.8O<em>_y</em> catalyst had a larger surface energy (0.44 J/m²) and a smaller oxygen vacancy formation energy (2.26 eV).</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"170 ","pages":"Article 106003"},"PeriodicalIF":5.5,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143144527","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}

{"title":"Production of MWCNTs from plastic wastes: Method selection through Multi-Criteria Decision-Making techniques","authors":"Prabakar P ,&nbsp;L N Sajith ,&nbsp;Sivagami K ,&nbsp;Kavindra A I ,&nbsp;Muruganandam L ,&nbsp;Samarshi Chakraborty","doi":"10.1016/j.jtice.2025.106000","DOIUrl":"10.1016/j.jtice.2025.106000","url":null,"abstract":"<div><h3>Background</h3><div>The global challenge of plastic waste generation warrants innovative, cost-effective, sustainable, and scalable solutions. Conversion of different non-recyclable plastic waste into value-added products (waste to wealth) such as carbon nanotubes (CNTs), graphene, carbon black, etc. holds significant promise in the waste management/valorization sectors with economic viability. This study focuses on identifying the optimal method for producing multiwall carbon nanotubes (MWCNT) from plastic wastes from several popular MWCNT synthesis methods such as chemical vapor deposition, pyrolysis, spray pyrolysis, gasification, microwave-assisted pyrolysis, etc.</div></div><div><h3>Methods</h3><div>The authors implemented Multi-Criteria Decision-Making (MCDM) techniques. They ranked different MWCNT production methods from waste plastic based on several operational, economic, and qualitative parameters, including raw material cost, operating temperature, reaction time, pressure, production yield, and MWCNT diameter. MCDM methods like TOPSIS, Grey Relational Analysis, and Simple Additive Weighting rank different synthesis processes.</div></div><div><h3>Findings</h3><div>MCDM analysis performed using subjective and objective criteria weighting concluded that gasification is the most sustainable and cost-effective method having a high assessment score above 0.9 for MWCNT production. In contrast, pyrolysis and spray pyrolysis are the least favoured options with an assessment score ranging between 0.3 to 0.6. The current research provides a clear roadmap for developing a sustainable, economically viable solution for plastic waste valorization. It also helps us to find sustainable and efficient MWCNT manufacturing techniques from non-recyclable plastic waste that have the potential to pave the way for greener sustainable waste management.</div></div>","PeriodicalId":381,"journal":{"name":"Journal of the Taiwan Institute of Chemical Engineers","volume":"169 ","pages":"Article 106000"},"PeriodicalIF":5.5,"publicationDate":"2025-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143292636","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}