E. M. Abu Elgoud, S. E. A. Sharaf El-Deen, A. El-khalafawy
{"title":"Separation of La(III) and Ni(II) from Binary System Using Manganese Oxide Nanorods","authors":"E. M. Abu Elgoud, S. E. A. Sharaf El-Deen, A. El-khalafawy","doi":"10.1007/s10904-025-03704-9","DOIUrl":"10.1007/s10904-025-03704-9","url":null,"abstract":"<div><p>The recovery and separation of lanthanum from a La(III)/Ni(II) mixture present a significant challenge in obtaining high-purity lanthanum, which is necessary for many applications in various industries. In the present study, manganese oxide nanorods were prepared and characterized by TEM, EDX, SEM, FT-IR, TGA, and XRD. The TEM images reported that the manganese oxide nanoparticles were arranged into rod-shaped structures with pores between them. Batch adsorption experiments were performed to evaluate the sorption efficiency and separation of La(III) and Ni(II) from the binary system under varying conditions, including shaking time, solution pH, initial metal ion concentration, adsorbent dosage, and temperature. The results obtained showed that the sorption process of La(III) and Ni(II) using MnO<sub>2</sub>-nanorods fit well with the pseudo-second-order kinetics and the Langmuir isotherm model. The experimental sorption capacities according to the Langmuir isotherm model were found to be 13.757 mg/g and 0.766 mg/g for La(III) and Ni(II), respectively. According to thermodynamic results, the sorption process for Ni(II) and La(III) was endothermic and spontaneous was verified by the positive ΔH<sup>o</sup> and the negative ΔG<sup>o</sup> values. Furthermore, the MnO<sub>2</sub>-nanorods presented excellent selectivity and separation of lanthanum from the La(III)/Ni(II) mixture at pH 3.0, shaking time 30.0 min, and 0.05 adsorbent dosage at room temperature.</p></div>","PeriodicalId":639,"journal":{"name":"Journal of Inorganic and Organometallic Polymers and Materials","volume":"35 8","pages":"6940 - 6960"},"PeriodicalIF":4.9,"publicationDate":"2025-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10904-025-03704-9.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Chemisorption of Emerging Contaminants (F−, AsIII/V, Pb2+) Using MOF for Sustainable Water Treatment: A Critical Review","authors":"Arnab Mukherjee, Eshika Mahanty, Debasis Dhak","doi":"10.1007/s10904-025-03714-7","DOIUrl":"10.1007/s10904-025-03714-7","url":null,"abstract":"<div><p>Groundwater is a major source of drinking water and ~ 2.5 billion people solely depend on groundwater daily across the globe. Emerging pollutants e.g., fluoride (F<sup>–</sup>), arsenic (As<sup>III/V</sup>), lead (Pb<sup>2+</sup>), etc. are continuously contaminating the water bodies and environment via various geogenic and anthropogenic reasons. Water scarcity and its related health hazards are alarming issues in this modern world. Consumption of fluoride containing water beyond the permissible limit causes dental/skeletal fluorosis. The metalloid arsenic causes black foot disease, and also affects the glycolytic path. Pb<sup>2+</sup> affects the haemoglobin production. Adsorption is a successful and promising approach for pollutant removal as it is a low expense, easy to handle/design, and shows high removal efficiency (> 95%). Metal-organic frameworks (MOFs) are inorganic-organic hybrid networks that are efficient in removing these emerging pollutants from wastewater through chemisorption. The purpose of this review is to locate the sources of contaminants through proper geochemistry and removal of contaminants using MOF through chemisorption, followed by regeneration. This study aims the chemisorption process as an active approach for water treatment. This review provides a complete visual of the hazardous effects of these emerging pollutants on human with proper molecular toxicity mechanisms. It also elaborates the regeneration process along with development of water treatment process to prevent secondary pollution which will help to meet The United Nations sustainable development goal, SDG 6: Clean water and sanitation.</p></div>","PeriodicalId":639,"journal":{"name":"Journal of Inorganic and Organometallic Polymers and Materials","volume":"35 8","pages":"6147 - 6175"},"PeriodicalIF":4.9,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Elkenany Brens Elkenany, Hasan B. Albargi, R. Dhahri, A. M. Al-Syadi, E. Salim
{"title":"Optimization and Enhancement Optoelectronic Performances of NiO and CuO Nanoparticles Incorporated Organic Photovoltaic Devices","authors":"Elkenany Brens Elkenany, Hasan B. Albargi, R. Dhahri, A. M. Al-Syadi, E. Salim","doi":"10.1007/s10904-025-03674-y","DOIUrl":"10.1007/s10904-025-03674-y","url":null,"abstract":"<div><p>The restricted carrier mobility and optical absorption coefficient of the organic solar cells (OSCs) provide a challenge in achieving both effective carrier extraction and light absorption. This article introduces the concept of “carrier routes” by incorporating NiO and CuO nanoparticles (NPs) into the active layer of OSCs. NiO and CuO NPs provide a simple network route for hole transport and collection, increasing the interfaces between an active exciton production region and ultimately hole-conducting oxide material. NiO/CuO NPs promote poly 3-hexylthiophene (P3HT) absorption, boosting optical absorption and light harvesting. The optimal NiO/CuO NPs 0.0250/0.0250 ratio in the active layer improves P3HT/PC61BM crystallinity and absorbance. Results showed that compared to the free NPs device, the one based on the optimal concentration of both NiO/CuO increased power conversion efficiency by around 40.8%. A higher hole mobility of 4.68 × 10<sup>–5</sup> cm<sup>2</sup> V<sup>−1</sup> s<sup>−1</sup> was shown by the most efficient device compared to the others. Further addition of NiO and CuO NPs leads to significant agglomeration, causing degraded device parameters.</p></div>","PeriodicalId":639,"journal":{"name":"Journal of Inorganic and Organometallic Polymers and Materials","volume":"35 8","pages":"6521 - 6531"},"PeriodicalIF":4.9,"publicationDate":"2025-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Remya Simon, Sohini Chakraborty, D. Elias Jesu Packiam, Dona Mary Sam, K. S. Darshini, Nisha George, N. L. Mary
{"title":"ZnO Doped GO Decorated on Poly (Styrene-Co-Maleic Anhydride) for High Performance Supercapacitors","authors":"Remya Simon, Sohini Chakraborty, D. Elias Jesu Packiam, Dona Mary Sam, K. S. Darshini, Nisha George, N. L. Mary","doi":"10.1007/s10904-025-03668-w","DOIUrl":"10.1007/s10904-025-03668-w","url":null,"abstract":"<div><p>Due to the recent surge in the development of novel energy storage technologies, unique compositions have emerged which aim to broaden this field of study. Our earlier investigations have depicted the electrochemical performances of thiadiazole and diamine modified poly (styrene-co-maleic anhydride) and their nanocomposites for efficient energy storage devices. Here, we aim to improve this scaffold further through the incorporation of Graphene oxide (GO) and Zinc oxide (ZnO) nanoparticles to the polymer matrix of poly (styrene-co-maleic anhydride). GO and ZnO NPs impart synergistic effects of both pseudocapacitance and electrical double layer capacitance to the resultant nanocomposite. These samples have been characterized extensively to substantiate their spectral, morphological and thermal properties. Additionally, they have been subjected to electrochemical testing to evaluate their supercapacitive performance. The developed supercapacitor electrodes exhibit a high specific capacitance of 850 Fg<sup>− 1</sup> at 5 mV s<sup>−1</sup> coupled with a capacitance retention of 93% after 1000 cycles at 1 A g<sup>− 1</sup>. Based on these attributes, the prepared nanocomposites exhibited great potential to be considered as potential alternatives to conventional supercapacitors.</p></div>","PeriodicalId":639,"journal":{"name":"Journal of Inorganic and Organometallic Polymers and Materials","volume":"35 8","pages":"6458 - 6465"},"PeriodicalIF":4.9,"publicationDate":"2025-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021583","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sheema, Salman Zafar, Sardar Khan, Qaisar Jamal, Muhammad Uzair, Sajeela Akbar, Moeen Uddin, Mehwish Abbas, Asim Ali, Hamza Ali
{"title":"Green Synthesis, Biological Potential, and Semiconducting Properties of MnO:ZnO Bimetallic Nanocomposites","authors":"Sheema, Salman Zafar, Sardar Khan, Qaisar Jamal, Muhammad Uzair, Sajeela Akbar, Moeen Uddin, Mehwish Abbas, Asim Ali, Hamza Ali","doi":"10.1007/s10904-025-03689-5","DOIUrl":"10.1007/s10904-025-03689-5","url":null,"abstract":"<div><p>This study reports the successful fabrication of manganese oxide: zinc oxide bimetallic nanocomposites, employing aqueous extract of <i>Curcuma zedoaria.</i> Biological potential and electrical properties of the composites have also been evaluated. The composites were fabricated using manganese and zinc salts in different ratios, i.e., 1:1, 1:2, and 2:1, referred to as MnO<sub>1</sub>:ZnO<sub>1</sub>, MnO<sub>1</sub>:ZnO<sub>2</sub>, and MnO<sub>2</sub>:ZnO<sub>1</sub>, respectively. X-ray diffraction studies revealed the crystalline nature of the composites, with crystallite sizes of 21 nm for both MnO<sub>1</sub>:ZnO<sub>1</sub> and MnO<sub>1</sub>:ZnO<sub>2</sub>, and 23 nm for MnO<sub>2</sub>:ZnO<sub>1</sub>. Moreover, the composites were demonstrated to be quite stable at high temperature. The MnO<sub>2</sub>:ZnO<sub>1</sub> composite exhibited the strongest anti-bacterial (zone of inhibition = 21 mm) and anti-fungal (zone of inhibition = 18 nm) activities, as compared to the other composites. On the other hand, the MnO<sub>1</sub>:ZnO<sub>2</sub> composite inhibited the DPPH radical strongly. Strong anti-leishmanial activity was shown by all the composites with IC<sub>50</sub> values of 0.03 (MnO<sub>1</sub>:ZnO<sub>1</sub>), 0.14 (MnO<sub>1</sub>:ZnO<sub>2</sub>), and 4.3 (MnO<sub>2</sub>:ZnO<sub>1</sub>) <i>µ</i>g/mL. The nanocomposites also displayed optimum energy storage and semiconducting abilities. The band gaps calculated for MnO<sub>1</sub>:ZnO<sub>1</sub>, MnO<sub>1</sub>:ZnO<sub>2</sub>, and MnO<sub>2</sub>:ZnO<sub>1</sub> were found to be 3.18, 3.26, and 3.11 eV, respectively. Optimum value of dielectric constant (~ 0.95) and capacitance (~ 1.0 pF) were observed for MnO<sub>2</sub>:ZnO<sub>1</sub>, while the MnO<sub>1</sub>:ZnO<sub>2</sub> composite exhibited the best AC conductivity (1.8 × 10<sup>− 9</sup> S/m). All the samples exhibited the inverse relationship between capacitance and AC conductivity. The work thus shows that the combination of Mn and Zn imparts special characteristics to the nanocomposite, making it biologically effective and at the same time a suitable candidate for use in semiconductors.</p></div>","PeriodicalId":639,"journal":{"name":"Journal of Inorganic and Organometallic Polymers and Materials","volume":"35 8","pages":"6688 - 6708"},"PeriodicalIF":4.9,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
B. M. Santhosh, B. A. Rohini, K. R. Mahanthesha, H. P. Shivarudrappa, N. Hareesha, C. K. Rashmi, M. K. Raviraj
{"title":"Recent Developments on Electrochemical Sensors for Neurotransmitters Using Composite Transition Metal Oxide Nanoparticles","authors":"B. M. Santhosh, B. A. Rohini, K. R. Mahanthesha, H. P. Shivarudrappa, N. Hareesha, C. K. Rashmi, M. K. Raviraj","doi":"10.1007/s10904-025-03677-9","DOIUrl":"10.1007/s10904-025-03677-9","url":null,"abstract":"<div><p>This review article describes the development of various electrochemical sensors via morphologically diverse transition metal-oxides (TMO) and carbon-based materials (Carbon nanotubes (CNTs), multiwalled-carbon nanotubes (MWCNTs), graphene, and carbon paste electrode (CPE) materials) for the analysis of neurotransmitters. Analysis of brain problems is particularly challenging for the medical community; hence, identifying and finding relevant neurological diseases is a critical one. Electrochemical approaches over TMO-modified electrodes have seemed like a good methods for analysing neurotransmitters. This review aims to determine the latest developments prepared in the TMO-altered electrodes that altered the non-enzymatic electrochemical analysis of significant neurotransmitters in the past few years. A complete report on neurotransmitters, biochemistry, and their effect on living bodies is also addressed. A little account of the coming outcomes of the electrochemical analysis of neurotransmitters is assumed to stress the wearable sensors for their in vivo analysis. This article emphasizes the importance of TMO nanoparticles (NPs) as a potential material for the creation of sensors. The review paper gives conclusions based on an appropriate discussion, current challenges, and forthcoming opportunities.</p></div>","PeriodicalId":639,"journal":{"name":"Journal of Inorganic and Organometallic Polymers and Materials","volume":"35 8","pages":"6113 - 6129"},"PeriodicalIF":4.9,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. Pradeep Kumar, G. Prabhakaran, S. Vishvanathperumal, M. Karthikeyan
{"title":"Hybrid Reinforcement of NR/EPDM Blends Using Graphene Oxide and Halloysite Nanotubes via Mechanical Blending","authors":"S. Pradeep Kumar, G. Prabhakaran, S. Vishvanathperumal, M. Karthikeyan","doi":"10.1007/s10904-025-03702-x","DOIUrl":"10.1007/s10904-025-03702-x","url":null,"abstract":"<div><p>To address the need for enhanced mechanical properties and swelling resistance in industrial applications, this study developed hybrid nanofillers combining graphene oxide (GO) with halloysite nanotubes (HNTs) for natural rubber/ethylene-propylene-diene rubber (NR/EPDM) blends. Through mechanical blending, these fillers exhibited synergistic effects by uniformly distributing within the matrix and forming strong interactions with the polymer. The NR/EPDM composites demonstrated significant improvements, with tensile strength, stress at 100% elongation, tear strength, and abrasion resistance increasing by 92%, 31%, 60%, and 22%, respectively, over the base compounds. However, elongation at break and rebound resilience decreased by 28% and 31%, respectively. The enhancement in properties up to 6 phr was attributed to improved dispersion, increased polymer-filler interactions, and enhanced crosslinking density. Beyond this filler content, the benefits declined due to filler agglomeration, which led to stress concentration points, increased stiffness, and reduced elasticity, thereby compromising mechanical performance. Field emission scanning electron microscopy (FESEM) confirmed uniform dispersion at lower filler loadings, while higher concentrations resulted in localized agglomerations and microcracks, reducing overall efficiency.</p></div>","PeriodicalId":639,"journal":{"name":"Journal of Inorganic and Organometallic Polymers and Materials","volume":"35 8","pages":"6893 - 6917"},"PeriodicalIF":4.9,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Afaf Ghais Abadi, Mohammed Saif AlSaidi, Wedad Khamis AL Shibli
{"title":"DFT-Driven Approaches to Optimizing Small Bandgap Doping Structures: A Brief Review","authors":"Afaf Ghais Abadi, Mohammed Saif AlSaidi, Wedad Khamis AL Shibli","doi":"10.1007/s10904-025-03688-6","DOIUrl":"10.1007/s10904-025-03688-6","url":null,"abstract":"<div><p>Photoelectrochemical (PEC) efficiency, is crucial for absorbing sunlight to initiate water splitting for hydrogen generation, is influenced by material’s structure. Small bandgap metal oxides (SBGMO) with bandgaps < 2.8 eV are promising candidates for PEC water splitting due to their visible light absorption and thermal stability. However, drawbacks such as low catalytic activity, charge carrier mobility and high recombination rates can be addressed through cation and anion doping for structural modification. Computational tools like density functional theory (DFT) are essential for optimizing the doped SBGMO structures, reducing experimental time and resources. This brief review examines properties such as band gaps, density of states, band structure, and adsorption energy in predicting the SBGMO structures before experimental testing. Optimizing these parameters improves visible sunlight absorption, sun to hydrogen efficiency, material’s catalytic activity and water adsorption energy, thereby addressing the drawbacks of SBGMO. Despite the narrow scope of the review, it provides insights into the comparison between the theoretical and experimental performance of the SBGMO and their modified doping structures. This study demonstrates that DFT-optimized structures can provide valuable guidance for material selection through real experimental work that overcomes DFT limitation and approximations.</p></div>","PeriodicalId":639,"journal":{"name":"Journal of Inorganic and Organometallic Polymers and Materials","volume":"35 8","pages":"6130 - 6146"},"PeriodicalIF":4.9,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021494","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
K. Manimegala, S. Stella Mary, Mohd Shkir, Nasir A. Siddiqui, Aslam Khan, M. Saravanakumar, M. Sakthivel
{"title":"Hydrothermally Synthesized rGO-Coated NiCo2O4/MoS2 Cubes as High-Performance Positive Electrode for Asymmetric Supercapacitors","authors":"K. Manimegala, S. Stella Mary, Mohd Shkir, Nasir A. Siddiqui, Aslam Khan, M. Saravanakumar, M. Sakthivel","doi":"10.1007/s10904-025-03685-9","DOIUrl":"10.1007/s10904-025-03685-9","url":null,"abstract":"<div><p>A novel hierarchical NiCo<sub>2</sub>O<sub>4</sub>/MoS<sub>2</sub>@rGO composite was synthesized to improve the electrochemical properties of supercapacitors. The nanocomposite combines the enhance capacity of NiCo<sub>2</sub>O<sub>4</sub>, the excellent ion storage capability of MoS<sub>2</sub>, and the conductive support of rGO, addressing challenges related to energy density, cycle life performance. The NiCo<sub>2</sub>O<sub>4</sub>/MoS<sub>2</sub>@rGO nanocomposite exhibits an impressive specific capacitance of 1696 F g<sup>−1</sup> at 1 A g<sup>−1</sup>, and the resulting asymmetric supercapacitor (NiCo<sub>2</sub>O<sub>4</sub>/MoS<sub>2</sub>@rGO//AC) demonstrates an increased energy density of 56.45 Wh kg<sup>−1</sup> and a power density of 750 W kg<sup>−1</sup>. Moreover, the composite retains 95.2% of its initial capacitance over 10,000 cycles at 1 A g<sup>−1</sup>, showing exceptional cycling performance. These improvements are due to the synergistic interaction of NiCo<sub>2</sub>O<sub>4</sub>, MoS<sub>2</sub>, and rGO, where MoS<sub>2</sub> serves as an effective ion buffer, enhancing ion diffusion and transport, while rGO improves conductivity and structural stability. The NiCo<sub>2</sub>O<sub>4</sub>/MoS<sub>2</sub>@rGO composite exhibits great promise for advanced asymmetric supercapacitor applications, offering large energy capacity, rapid charge/discharge performance, and exceptional longevity.</p></div>","PeriodicalId":639,"journal":{"name":"Journal of Inorganic and Organometallic Polymers and Materials","volume":"35 8","pages":"6659 - 6675"},"PeriodicalIF":4.9,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ibrahim Bondouk, Kh. M. Omar, Ahmed M. ElKhatib, Ahmed Hamdy, Mostafa Elkhatib
{"title":"Preparation of the Nanocomposites (Nano ZnO/Multi Wall CNTs) by the Arc Discharge Method for Adsorbing (Fe3+) from Water Samples Contain FeCl3 Salt","authors":"Ibrahim Bondouk, Kh. M. Omar, Ahmed M. ElKhatib, Ahmed Hamdy, Mostafa Elkhatib","doi":"10.1007/s10904-025-03681-z","DOIUrl":"10.1007/s10904-025-03681-z","url":null,"abstract":"<div><p>The maximum limit for dissolved iron allowed to be in the drinking water is (0.3 mg/L). Ferric chloride is an important coagulant which used in drinking water treatment plants. The removal of residual Fe<sup>3+</sup> is required after the treatment process. Therefore, the presented work studied the removal of Fe<sup>3+</sup> from FeCl<sub>3</sub> aqueous solutions by using a novel nanocomposites (Nano ZnO/MWCNTs) which had been synthesized by the arc discharge method at (I<sub>ac</sub>=15 A, 70 V and 25 °C) in deionized water. TEM, XRD, EDX and FTIR have confirmed the synthesizing success. The average nano size of Nano ZnO and outer diameter of MWCNTs were 15.68 and 18.03 nm, respectively. The optimum dose was (5.0 mg/100 mL) with shaking at 200 rpm in an alkaline medium for a contact time of 60 min. The Fe<sup>3+</sup> concentration was reduced from 1.0120 to 0.1646 mg/L at (pH = 7.0) and from 4.020 to 0.9947 mg/L at (pH = 9.0) and from 6.060 to 0.6749 mg/L at (pH = 12.0). The high maximum adsorption capacity of Fe<sup>3+</sup> on the surface of (Nano ZnO/MWCNTs) is 258.78 mg/g according to Langmuir isotherm model at (pH = 12.0). This adsorption is a multilayer physical process according to Freundlich isotherm model and an exothermic process according to Temkin isotherm model. Moreover, this adsorption obeys pseudo-first order kinetic model and Intra-particle diffusion kinetic model. Nano ZnO/MWCNTs is suitable for drinking water treatment from Fe<sup>3+</sup> at pH = 7 and pH = 8. It can be used for polluted water treatment from Fe<sup>3+</sup> before discharging it in to rivers or lakes at (pH = 9.0).</p><h3>Graphical Abstract</h3><div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":639,"journal":{"name":"Journal of Inorganic and Organometallic Polymers and Materials","volume":"35 8","pages":"6594 - 6610"},"PeriodicalIF":4.9,"publicationDate":"2025-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s10904-025-03681-z.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}