Next Sustainability最新文献

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Carbonization of golden shower pods to high surface area biochar for decontamination of cationic dyes and regeneration study by gamma radiations 通过碳化金色淋浴豆荚制备高比表面积生物炭,用于阳离子染料的净化和伽马射线再生研究
Next Sustainability Pub Date : 2024-08-07 DOI: 10.1016/j.nxsust.2024.100064
Apurva Bambal , Ravin Jugade , Maithili Khapre , D. Saravanan
{"title":"Carbonization of golden shower pods to high surface area biochar for decontamination of cationic dyes and regeneration study by gamma radiations","authors":"Apurva Bambal ,&nbsp;Ravin Jugade ,&nbsp;Maithili Khapre ,&nbsp;D. Saravanan","doi":"10.1016/j.nxsust.2024.100064","DOIUrl":"10.1016/j.nxsust.2024.100064","url":null,"abstract":"<div><p>Detoxification of water resources is the need of the hour and a number of environment friendly materials are proposed by scientist to deal with water pollution issues. The present study deals with preparation and characterization of porous activated carbon from golden shower pods, a waste ligno-cellulosic biomass, for the removal of dye contaminants from aqueous solution. The synthesized material, golden shower biochar (GSBC) was characterized using various analytical techniques to confirm the presence of active sites. The BET analysis of GSBC revealed high surface area of 1120 m<sup>2</sup>/g with total pore volume of 1.099 cm<sup>3</sup>/g and average pore radius 19.618 Å. Operational parameters were optimized using batch studies by taking GSBC dose of 50 mg which showed complete removal of target dyes with an initial dye concentration of 200 mg/L with just 60 min interaction time; based on these results, a fixed bed column of GSBC was designed and column studies were performed. Adsorption isotherm studies were carried out using Langmuir and Freundlich models, of which Langmuir model was found to be best-fit with maximum adsorption capacities of 208.86 mg/g, 284.35 mg/g and 327.56 mg/g for Crystal violet, Brilliant green and Methylene blue dyes respectively. Analysis of kinetics and thermodynamics revealed that the best-fit model was pseudo second-order with spontaneous reaction course and exothermic nature. Regeneration was carried out using gamma irradiation of dye loaded GSBC, followed by leaching in alcohol. It was observed that a 30 KGy dose was just sufficient to completely degrade the dye on the adsorbent surface. GSBC has shown immense potential for eradication of dyes from water effluents and it is easily recovered with negligible loss in efficacy.</p></div>","PeriodicalId":100960,"journal":{"name":"Next Sustainability","volume":"5 ","pages":"Article 100064"},"PeriodicalIF":0.0,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949823624000412/pdfft?md5=8a9fd733c4d0ddb8a2721c560f2f7b7f&pid=1-s2.0-S2949823624000412-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141950674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of shading heaviness on voltage, current and power of the solar photovoltaic string 遮阳程度对太阳能光伏组串的电压、电流和功率的影响
Next Sustainability Pub Date : 2024-08-07 DOI: 10.1016/j.nxsust.2024.100062
Sameera , Mohd Tariq , Mohd Rihan
{"title":"Impact of shading heaviness on voltage, current and power of the solar photovoltaic string","authors":"Sameera ,&nbsp;Mohd Tariq ,&nbsp;Mohd Rihan","doi":"10.1016/j.nxsust.2024.100062","DOIUrl":"10.1016/j.nxsust.2024.100062","url":null,"abstract":"<div><p>The short-term power output variability of solar photovoltaic (PV) systems caused by passing clouds is becoming a major concern for grid operators. As the penetration of utility-scale PV systems boosts, the rapid power fluctuations greatly challenge the grid's transient stability. A photo voltaic system is greatly vulnerable to Partial Shading. The performance analysis of PV systems clearly suggests that the maximum power of partially shaded PV systems is inversely proportional to the heaviness of shading. However, some literatures are not of the same opinion; for them, the maximum power of a partially shaded system is invulnerable to shading heaviness, often at certain critical points. According to research on the P-V characteristic curve under various numbers of shaded modules and shading levels, the irradiance of the shaded modules reaches a certain turning point or critical point. The PV array becomes insensitive to high-level shading, categorically for the series topology. This paper presents an experimental results of performance parameters with varying shading heaviness. The experiment is performed on a Photovoltaics string of series connected modules, a 119KW grid-connected rooftop solar power plant using the Power Quality analyser for continuous recording of various parameters under changing shading heaviness. The degree or heaviness of shading decides the critical point. The critical point can vary based on the number of the shaded modules.</p></div>","PeriodicalId":100960,"journal":{"name":"Next Sustainability","volume":"5 ","pages":"Article 100062"},"PeriodicalIF":0.0,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949823624000394/pdfft?md5=95119dd297c9d89bbb9ce28827a458eb&pid=1-s2.0-S2949823624000394-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141950672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermodynamic analysis of MnWO4 as an oxygen carrier in a chemical looping scheme for hydrogen production 化学循环制氢方案中作为氧载体的 MnWO4 的热力学分析
Next Sustainability Pub Date : 2024-01-01 DOI: 10.1016/j.nxsust.2024.100033
Juliana López van der Horst , Francisco Pompeo
{"title":"Thermodynamic analysis of MnWO4 as an oxygen carrier in a chemical looping scheme for hydrogen production","authors":"Juliana López van der Horst ,&nbsp;Francisco Pompeo","doi":"10.1016/j.nxsust.2024.100033","DOIUrl":"https://doi.org/10.1016/j.nxsust.2024.100033","url":null,"abstract":"<div><p>In the last few years, hydrogen has attracted much attention because of its importance in the transition to a sustainable energy system and its use as a raw material in many industrial processes. In this context, chemical looping is proposed as an alternative to traditional methane reforming processes, where methane is partially oxidized by the lattice oxygen of a solid oxygen carrier instead of using water or pure oxygen. This work presents a thermodynamic analysis of MnWO<sub>4</sub> as an oxygen carrier and the compositions at equilibrium were calculated by minimizing the total Gibbs free energy of the system. To evaluate its possible integration into a chemical looping scheme, this study assesses the optimal reaction temperature and reactant molar ratio to attain high hydrogen yield while avoiding carbon formation. The findings suggest that temperatures exceeding 775°C and ratios above stoichiometry are necessary. For successful regeneration, air or water can be used. In the former case a stoichiometric ratio of 1.5:1 of O<sub>2</sub> to MnO/W is required, while for the latter, an excess of water in necessary.</p></div>","PeriodicalId":100960,"journal":{"name":"Next Sustainability","volume":"3 ","pages":"Article 100033"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949823624000102/pdfft?md5=04ed14eccd31ee8a113e118146ea787d&pid=1-s2.0-S2949823624000102-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140295866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Facile and affordable synthesis of sulfonated and phosphonated poly (p-terphenyl perfluorophenyl)s for proton exchange membrane fuel cells 用于质子交换膜燃料电池的磺化和膦化聚(对三联苯全氟苯基)的简便而经济的合成方法
Next Sustainability Pub Date : 2024-01-01 DOI: 10.1016/j.nxsust.2023.100021
Tao Wei , Yun Zhao , Zhiwei Ren , Yangkai Han , Haitao Zhang , Zhigang Shao
{"title":"Facile and affordable synthesis of sulfonated and phosphonated poly (p-terphenyl perfluorophenyl)s for proton exchange membrane fuel cells","authors":"Tao Wei ,&nbsp;Yun Zhao ,&nbsp;Zhiwei Ren ,&nbsp;Yangkai Han ,&nbsp;Haitao Zhang ,&nbsp;Zhigang Shao","doi":"10.1016/j.nxsust.2023.100021","DOIUrl":"https://doi.org/10.1016/j.nxsust.2023.100021","url":null,"abstract":"<div><p>Hydrocarbon proton exchange membranes (PEMs) which exhibit low-cost, improved robustness, and simple synthesis relative to perfluorosulfonic acid (PFSA) membranes, are of great significance for proton exchange membrane fuel cells (PEMFCs). Herein, we report a facile and affordable preparation of sulfonated and phosphonated poly (p-terphenyl perfluorophenyl)s PEMs via superacid-catalyzed Friedel−Crafts condensation of p-terphenyl and pentafluorobenzaldehyde monomers, following by highly selective para-substitution of fluorobenzene to graft ion exchange groups. The rigid and well-defined polymer structure with precisely controlled anionic groups, enables good phase separation and efficient ionic clustering to promote proton transport. Sulfonated and phosphonated PEMs show modest proton conductivities of 150 and 120 mS cm<sup>−1</sup> at 90 °C, and achieve H<sub>2</sub>/air PEMFC peak power densities of 360 and 237 mW cm<sup>−2</sup> at 80 ℃, respectively. Interestingly, we find that phosphonated PEMs have significantly higher resistance to free radicals than sulfonated PEMs. Overall, the results suggest that our prepared hydrocarbon PEMs have potential applications for fuel cells.</p></div>","PeriodicalId":100960,"journal":{"name":"Next Sustainability","volume":"3 ","pages":"Article 100021"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949823623000211/pdfft?md5=a90f11b17a2344b8233389483480b24e&pid=1-s2.0-S2949823623000211-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139435829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mechanical properties and applications of a fiber reinforced biofoam from Amazonian palm leaves 亚马逊棕榈叶纤维增强生物泡沫的机械特性与应用
Next Sustainability Pub Date : 2024-01-01 DOI: 10.1016/j.nxsust.2024.100063
Bruno Monteiro Balboni , Thiago Augusto de Sousa Moreira , Alessandra Silva Batista , José Nivaldo Garcia , Marcelo Leite Ribeiro , C. Brand Wessels , Luciana Rodrigues
{"title":"Mechanical properties and applications of a fiber reinforced biofoam from Amazonian palm leaves","authors":"Bruno Monteiro Balboni ,&nbsp;Thiago Augusto de Sousa Moreira ,&nbsp;Alessandra Silva Batista ,&nbsp;José Nivaldo Garcia ,&nbsp;Marcelo Leite Ribeiro ,&nbsp;C. Brand Wessels ,&nbsp;Luciana Rodrigues","doi":"10.1016/j.nxsust.2024.100063","DOIUrl":"10.1016/j.nxsust.2024.100063","url":null,"abstract":"<div><p><em>Miriti</em>, derived from the leaves of the Amazon palm tree <em>Mauritia flexuosa</em>, is a foam-like material that can serve as a natural substitute for synthetic foams, offering the advantage of natural internal fiber reinforcement. This study assessed <em>miriti</em>’s mechanical properties and potential applications. With an average specific mass of 63 kg.m<sup>–3</sup>, <em>miriti</em> is amongst the lightest natural solid materials. Its internal fiber reinforcement provides mechanical properties seven to 30 times higher than synthetic foams of similar density in the parallel-to-grain direction. <em>Miriti</em> is a green material and shows high potential for use in sandwich panel cores, thermal/acoustic applications requiring higher strength and stiffness, and load-bearing walls of small structures. Sustainable management of <em>M. flexuosa</em> by local communities is feasible, promoting their sustainable development. Additionally, <em>miriti</em> can inspire the design of synthetic foams reinforced with internal fibers.</p></div>","PeriodicalId":100960,"journal":{"name":"Next Sustainability","volume":"4 ","pages":"Article 100063"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949823624000400/pdfft?md5=3c71096837d252455bcdc243b78ecb72&pid=1-s2.0-S2949823624000400-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141729424","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Recent progress on cathode materials for protonic ceramic fuel cells 质子陶瓷燃料电池阴极材料的最新进展
Next Sustainability Pub Date : 2024-01-01 DOI: 10.1016/j.nxsust.2024.100028
Wenwen Zhang, Xiaomin Zhang, Yuefeng Song, Guoxiong Wang
{"title":"Recent progress on cathode materials for protonic ceramic fuel cells","authors":"Wenwen Zhang,&nbsp;Xiaomin Zhang,&nbsp;Yuefeng Song,&nbsp;Guoxiong Wang","doi":"10.1016/j.nxsust.2024.100028","DOIUrl":"https://doi.org/10.1016/j.nxsust.2024.100028","url":null,"abstract":"<div><p>Protonic ceramic fuel cells (PCFCs) have recently garnered significant interest due to their high efficiency and low emissions operating in the intermediate temperature range (400−700 °C). However, due to the lack of efficient key cell materials, especially cathode materials with triple-conducting (O<sup>2−</sup>/H<sup>+</sup>/e<sup>−</sup>) characteristics, the practical application of PCFCs lags behind other energy conversion technologies. Over the past decade, considerable efforts have been devoted to the development of efficient triple-conducting cathode materials, leading to a remarkable progress in PCFCs performance. This review provides a comprehensive summary of the development of cathode materials in PCFCs, including the reaction mechanism, essential cathode material features, regulation strategies, and recent advancements. Challenges and research perspectives in this field are also presented. The focus is on harnessing the fundamental principles of compositional engineering and advanced technologies to provide valuable guidance for the design and development of novel cathode materials for high-performance PCFCs and related fields.</p></div>","PeriodicalId":100960,"journal":{"name":"Next Sustainability","volume":"3 ","pages":"Article 100028"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949823624000059/pdfft?md5=f6d4269d1c74aab91552f029e4a6a7a3&pid=1-s2.0-S2949823624000059-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139731856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of concrete structures durability on its sustainability and climate resiliency 混凝土结构耐久性对其可持续性和气候适应性的影响
Next Sustainability Pub Date : 2024-01-01 DOI: 10.1016/j.nxsust.2024.100025
Adeyemi Adesina , Jieying Zhang
{"title":"Impact of concrete structures durability on its sustainability and climate resiliency","authors":"Adeyemi Adesina ,&nbsp;Jieying Zhang","doi":"10.1016/j.nxsust.2024.100025","DOIUrl":"https://doi.org/10.1016/j.nxsust.2024.100025","url":null,"abstract":"<div><p>Durability property is a critical performance indicator of concrete in different environments and locations. However, durability also plays a key role in the sustainability and climate resiliency of concrete structures which is mostly ignored in the context of ways to improve the sustainability of concrete materials and structures. Hence, this paper aims to bring focus to this area by presenting an overview of the critical role of concrete properties especially durability on the sustainability and climate resiliency of concrete structures. This paper first presents a general overview of concrete materials followed by the connection of concrete to sustainability and climate resiliency. Discussions from this paper indicate that to improve concrete sustainability, there is a need to use materials with lower environmental impacts upfront in addition to producing concrete with improved durability to ensure long-term performance. In other words, merely reducing the upfront embodied carbon of materials is not sufficient to achieve sustainable concrete if the impact of such alternative low-carbon materials used to replace the traditional materials in concrete is not considered. On the other hand, the climate resiliency of concrete structures is mostly dependent on improved durability which would sustain their adaptation over time to the impacts of the changing climate conditions. Overall, to achieve sustainability and climate resilience of concrete structures; lower environmental impact, higher durability performance and resilience to applicable climatic conditions must be achieved.</p></div>","PeriodicalId":100960,"journal":{"name":"Next Sustainability","volume":"3 ","pages":"Article 100025"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949823624000023/pdfft?md5=1a8a0f2cae4a59e456a3c01c34257df6&pid=1-s2.0-S2949823624000023-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140342262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spontaneous formation, gene regulation of Trichoderma and slow decomposition in cocopeat 椰糠中毛霉的自发形成、基因调控和缓慢分解
Next Sustainability Pub Date : 2024-01-01 DOI: 10.1016/j.nxsust.2024.100051
Avinash Sharma , Mainu Hazarika , Punabati Heisnam , Himanshu Pandey , V.S. Devadas , Praveen Kumar , Devendra Singh , Amit Vashishth , Monoj Sutradhar , Rani Jha
{"title":"Spontaneous formation, gene regulation of Trichoderma and slow decomposition in cocopeat","authors":"Avinash Sharma ,&nbsp;Mainu Hazarika ,&nbsp;Punabati Heisnam ,&nbsp;Himanshu Pandey ,&nbsp;V.S. Devadas ,&nbsp;Praveen Kumar ,&nbsp;Devendra Singh ,&nbsp;Amit Vashishth ,&nbsp;Monoj Sutradhar ,&nbsp;Rani Jha","doi":"10.1016/j.nxsust.2024.100051","DOIUrl":"https://doi.org/10.1016/j.nxsust.2024.100051","url":null,"abstract":"<div><p>Cocopeat has various distinguishing properties that encourage the slow decomposition and spontaneous <em>Trichoderma</em> growth. The cocopeat synthesizes responsive chemicals and regulatory mechanisms which assist in the <em>Trichoderma</em> growth. The exact chemical stimulant and efficient mechanisms governing the spontaneous <em>Trichoderma</em> growth in cocopeat remain unknown. The high lignin and cellulose concentration produces actinomycetes and deuteromycetes, which trigger slow decomposition in cocopeat. The chemical components, temperature, pH, nutrients, and aeration all have a direct impact <em>Trichoderma</em> growth and slow decomposition. The chemical constituents lignin, suberin, cutin, pectin, cellulose, and hemicellulose are analyzed with sodium hydroxide solution and examined using scanning electron microscopy (SEM), energy dispersive x-ray spectroscopy (EDAX), fourier transform infrared (FTIR) spectra, x-ray diffraction (XRD), and thermogravimetry. The decomposition dynamics are determined using a mettler thermogravimetric analyzer. Simultaneously thermogravimetry and differential scanning calorimetry are used to examine the stages of decomposition. The decomposition reactions are investigated using the distributed active energy model (DAEM). The glucose Murashige and Skoog (MS) media, chitin Murashige and Skoog (MS) media, Murashige and Skoog (MS) basal media, high-density oligonucleotide microarray, expressed sequence tag-based transcript and Blast2GO suite, hierarchical clustering and heat representation are involved in examination of <em>Trichoderma</em> species. The Upside regulating genes respond to signal transduction, transcription, translation, post-translational modification, and protein folding with the signal transcription factor Pac1 (PacC) for <em>Trichoderma</em> species growth. The dye decolorization assay, genome-wide gene family evolutionary analysis, and whole-genome sequencing were used to discover prospective genes for detecting high or slow decomposition in fungi. The methodologies and technology have the potential to investigate <em>Trichoderma</em> type, response chemicals, and mechanisms underlying <em>Trichoderma</em> growth and slow decomposition in cocopeat.</p></div>","PeriodicalId":100960,"journal":{"name":"Next Sustainability","volume":"4 ","pages":"Article 100051"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S294982362400028X/pdfft?md5=2459b0b65ac6efc08de4aa3a532dad6e&pid=1-s2.0-S294982362400028X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141323056","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Adsorptive performance of cottonseed cakes biosorbent and derived activated carbon towards Cu2+ ions removal from aqueous solution: Kinetics modelling, isotherms analysis and thermodynamics 棉籽饼生物吸附剂和衍生活性炭对去除水溶液中 Cu2+ 离子的吸附性能:动力学建模、等温线分析和热力学
Next Sustainability Pub Date : 2024-01-01 DOI: 10.1016/j.nxsust.2024.100052
Yowe Kidwe , Djakba Raphaël , Wangmene Bagamla , Mouhamadou Sali , Abia Daouda , Tcheka Constant , Harouna Massai
{"title":"Adsorptive performance of cottonseed cakes biosorbent and derived activated carbon towards Cu2+ ions removal from aqueous solution: Kinetics modelling, isotherms analysis and thermodynamics","authors":"Yowe Kidwe ,&nbsp;Djakba Raphaël ,&nbsp;Wangmene Bagamla ,&nbsp;Mouhamadou Sali ,&nbsp;Abia Daouda ,&nbsp;Tcheka Constant ,&nbsp;Harouna Massai","doi":"10.1016/j.nxsust.2024.100052","DOIUrl":"https://doi.org/10.1016/j.nxsust.2024.100052","url":null,"abstract":"<div><p>Compatible and environmentally clean activated carbon material was prepared via physicochemical method and used for harmful pollutant removal from aqueous solution. The performance of the pristine cottonseed cakes and its activated carbon was examined towards copper ions removal as targeted pollutant through adsorption process. The physicochemical properties of adsorbents were evaluated by numerous experimental techniques such as Fourier transform infra-red spectroscopy, Raman spectroscopy, scanning electron microscopy, the point of zero charge, iodine number and specific surface area. The effect of several key operational parameters such as contact time, adsorbent dose, pH, concentration and temperature were considered. Results of the adsorption tests exhibited significant sensitivity towards copper ions elimination at optimum conditions; the copper uptake capacity was enhanced with time up to equilibrium of 30 min with a minimum adsorbent dose of 0.1 g at alkaline pH of 10 for maximum concentration of 50 mg/L at room temperature (25 °C) and achieved appropriate adsorbed quantities of 51.56 mg/g for cottonseed cakes activated carbon (CCAC) and 48.5 mg/g for cottonseed cakes biosorbent (CCB). The values of point of zero charge are 2.63 and 6.32 for CCB and CCAC respectively which present high electrostatic attraction between positive charge of copper ions and negative charge of the surface at basic medium. Iodine number of 30.35 and 41.92 mg/g indicates random distribution of micropores. The specific surface area of CCAC (30.35 m<sup>2</sup>/g) is higher than the one of CCB (11.94 m<sup>2</sup>/g). FTIR shows good surface chemistry with various functional groups while Raman spectroscopy and SEM analyses revealed myriad morphological features and carbon phases (graphite and diamond). The adsorption of copper ions was described by pseudo second order kinetic model and favoured by Redlich Peterson isotherm corresponding to physisorption on CCB while the one CCAC involves chemical bonding and can be qualified as chemisorption mechanism as confirm by ΔH° of both materials.</p></div>","PeriodicalId":100960,"journal":{"name":"Next Sustainability","volume":"4 ","pages":"Article 100052"},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2949823624000291/pdfft?md5=403ff05ed279b1ab71a6b34606df5472&pid=1-s2.0-S2949823624000291-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141292362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance scrutiny of spent lithium-ion batteries cathode material as a catalyst for oxidation of benzyl alcohol 废锂离子电池正极材料作为苯甲醇氧化催化剂的性能检测
Next Sustainability Pub Date : 2024-01-01 DOI: 10.1016/j.nxsust.2023.100017
Bogalera Papaiah Shivamurthy , Swapnali P. Kirdant , Sudeep Katakam , Purnima Rawat , Vrushali H. Jadhav , Girish Praveen Nayaka
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