Journal of Water Chemistry and Technology最新文献

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Ammonia Extraction of Nonferrous Metals from Electroplating Sludge 氨法萃取电镀污泥中的有色金属
IF 0.5 4区 化学
Journal of Water Chemistry and Technology Pub Date : 2025-11-12 DOI: 10.3103/S1063455X25060050
R. E. Klishchenko, R. D. Chebotareva, S. V. Remez
{"title":"Ammonia Extraction of Nonferrous Metals from Electroplating Sludge","authors":"R. E. Klishchenko,&nbsp;R. D. Chebotareva,&nbsp;S. V. Remez","doi":"10.3103/S1063455X25060050","DOIUrl":"10.3103/S1063455X25060050","url":null,"abstract":"<p>The study investigates the process of ammonia leaching of copper, zinc, and nickel from solid electroplating sludge. The research determines the kinetics and optimal conditions for copper extraction from the sludge, including ammonia concentration, pH, and solution temperature, and establishes, using copper as an example, the regimes of electroextraction that yield metal of high purity. The results show that equilibrium formation depends only slightly on solution temperature, which characterizes processes with external diffusion kinetics. At an ammonia concentration above 10 wt %, up to 99% of copper salts dissolve, and the copper ion concentration reaches 12 g/dm<sup>3</sup>. In contrast, the concentrations of nickel and zinc in the sludge remain much lower, and at equilibrium their concentrations reach 1.2 and 2.4 g/dm<sup>3</sup>, respectively. Copper deposits on the cathode as a dense, compact layer. At a current density of 1.5 A/dm<sup>2</sup> and a copper concentration in the solution above 5 g/dm<sup>3</sup>, the current efficiency of copper approaches 100%.</p>","PeriodicalId":680,"journal":{"name":"Journal of Water Chemistry and Technology","volume":"47 6","pages":"612 - 616"},"PeriodicalIF":0.5,"publicationDate":"2025-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145493385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Response Surface Modeling for Optimizing Camphor Adsorption from Aqueous Environment Using Jowar Straw Based Nanobiochar 基于Jowar秸秆的纳米炭吸附水中樟脑的响应面建模研究
IF 0.5 4区 化学
Journal of Water Chemistry and Technology Pub Date : 2025-11-12 DOI: 10.3103/S1063455X25060062
Poludasu Rama Mohan
{"title":"Response Surface Modeling for Optimizing Camphor Adsorption from Aqueous Environment Using Jowar Straw Based Nanobiochar","authors":"Poludasu Rama Mohan","doi":"10.3103/S1063455X25060062","DOIUrl":"10.3103/S1063455X25060062","url":null,"abstract":"<p>Water pollution poses a significant threat to aquatic ecosystems, requiring effective remediation strategies. This study investigates the use of jowar straw nanobiochar (JNBC) as a bio-adsorbent for camphor removal from water, optimizing its performance using response surface methodology (RSM). JNBC, with a particle size of 71.8 nm and a zeta potential of –46.5 mV, was characterized using Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and scanning electron microscope (SEM). XRD peak shifts and SEM observations confirmed successful camphor adsorption, with new FTIR peaks appearing post-adsorption. Using central composite design (CCD), optimal conditions for 96% camphor removal were identified: pH 6, initial camphor concentration 60 mg/L, surfactant (Tergitol) concentration 4 mg/L, and contact time 120 min. Experimental results matched the model predictions (desirability value = 0.972). The adsorption data fit well with the Langmuir isotherm model, while the pseudo-second-order kinetic model showed excellent precision. JNBC maintained 74% removal efficiency over six regeneration cycles, demonstrating its potential as a sustainable and effective adsorbent for environmental remediation.</p>","PeriodicalId":680,"journal":{"name":"Journal of Water Chemistry and Technology","volume":"47 6","pages":"556 - 572"},"PeriodicalIF":0.5,"publicationDate":"2025-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145493384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Holistic Evaluation of Reservoir Water Quality and Its Effects on Dam Health 水库水质综合评价及其对大坝健康的影响
IF 0.5 4区 化学
Journal of Water Chemistry and Technology Pub Date : 2025-11-12 DOI: 10.3103/S1063455X25060025
J. M. Behera, S. Behera, P. K. Pradhan
{"title":"Holistic Evaluation of Reservoir Water Quality and Its Effects on Dam Health","authors":"J. M. Behera,&nbsp;S. Behera,&nbsp;P. K. Pradhan","doi":"10.3103/S1063455X25060025","DOIUrl":"10.3103/S1063455X25060025","url":null,"abstract":"<p>This study evaluates the variability of water quality in the Hirakud dam reservoir by analyzing thirteen key parameters. There exist significant seasonal variations in both reservoir and seepage water. The results indicate that most parameters, including pH, electrical conductivity (EC), and total dissolved solids (TDS), were elevated during the summer months due to factors such as geological composition, evaporation, and anthropogenic inputs from the Ib-Jharsuguda valley. The Langelier saturation index (LSI) indicates that reservoir water was corrosive during winter, spring, and summer, as it was unsaturated with CaCO<sub>3</sub>, leading to potential concrete deterioration. Conversely, during the monsoon, CaCO<sub>3</sub> precipitation provided a protective layer, reduces the corrosiveness. The aggressive index (AI) corroborated these findings, showing moderate corrosiveness in winter, spring, and summer, and non-corrosiveness in the monsoon. The Ryznar stability index (RSI) further supported the LSI and AI results, highlighting seasonal stability and corrosivity, with CaCO<sub>3</sub> precipitation observed in the monsoon. Seepage water from the dam’s foundation gallery exhibits higher chloride and sulfate concentrations during summer compared to reservoir water. Elevated pH values indicated increased alkalinity and ongoing leaching from concrete, which may impact concrete integrity and rebar corrosion. Overall, while reservoir water quality meets standards, seepage water poses corrosion risks to concrete structures. Regular monitoring of concrete strength and rebar condition is recommended. Establishing a comprehensive water quality assessment system and extending the study period are essential for understanding long-term impacts and tracking water quality trends.</p>","PeriodicalId":680,"journal":{"name":"Journal of Water Chemistry and Technology","volume":"47 6","pages":"544 - 555"},"PeriodicalIF":0.5,"publicationDate":"2025-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145493585","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Removal of Microplastics from Wastewater by Methods of Electrocoagulation and Adsorption 电絮凝-吸附法去除废水中的微塑料
IF 0.5 4区 化学
Journal of Water Chemistry and Technology Pub Date : 2025-11-12 DOI: 10.3103/S1063455X25060098
C. Rusinthar, R. Saravanathamizhan
{"title":"Removal of Microplastics from Wastewater by Methods of Electrocoagulation and Adsorption","authors":"C. Rusinthar,&nbsp;R. Saravanathamizhan","doi":"10.3103/S1063455X25060098","DOIUrl":"10.3103/S1063455X25060098","url":null,"abstract":"<p>Microplastics are spread widely in aquatic environments, and it is a growing threat to the ecosystem. It is important to remove microplastics from wastewater, hence successful technology is required. Various techniques are used such as physical, chemical, and biological approaches to remove the microplastics present in the wastewater. One of the techniques is the membrane filtration method to remove the plastic but it creates membrane fouling and replacing a new membrane frequently is expensive. Another method of microplastic removal is biodegradation. However, biological method takes a longer time for degradation and its efficiency is very low. Hence an electrochemical and adsorption method has been adopted to remove the microplastics present in the wastewater. Aluminum–stainless steel (Al–SS) and iron–copper (Fe–Cu) electrodes were used to study the microplastic removal using the electrocoagulation process. The removal percentage was 85.5% for Al–SS and 92.5% for the Fe–Cu electrode. An adsorption technique has also been attempted using magnetic iron oxide as an adsorbent and 96% removal of microplastics was achieved. A quantitative technique has been proposed to measure the microplastic present before and after the treatment process.</p>","PeriodicalId":680,"journal":{"name":"Journal of Water Chemistry and Technology","volume":"47 6","pages":"534 - 543"},"PeriodicalIF":0.5,"publicationDate":"2025-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145493337","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Determining the Mechanism of the Formation of a Dynamic Membrane on a Ceramic Membrane Made of Clay Minerals 粘土矿物陶瓷膜动态膜形成机理的研究
IF 0.5 4区 化学
Journal of Water Chemistry and Technology Pub Date : 2025-11-12 DOI: 10.3103/S1063455X25060037
T. Yu. Dulneva, L. A. Deremeshko, A. I. Baranov, A. O. Troianskyi
{"title":"Determining the Mechanism of the Formation of a Dynamic Membrane on a Ceramic Membrane Made of Clay Minerals","authors":"T. Yu. Dulneva,&nbsp;L. A. Deremeshko,&nbsp;A. I. Baranov,&nbsp;A. O. Troianskyi","doi":"10.3103/S1063455X25060037","DOIUrl":"10.3103/S1063455X25060037","url":null,"abstract":"<p>Using the mathematical tools of convective filtration theory, the experimental data on the change in the specific capacity of a tubular microfiltration ceramic membrane made of clay mineral in the process of water purification from Al(III) compounds were analyzed. The mechanism and conditions of the formation of a dynamic membrane from Al(III) hydroxo compounds in the studied microfiltration process were established, and its role in improving purification efficiency and ensuring high permeate quality by the content of aluminum compounds was demonstrated. The study was carried out on a model AlCl<sub>3</sub> solution with an Al(ІІІ) concentration of 65 mg/dm<sup>3</sup> and pH of 7 at a working pressure of 1.0 MPa. Based on the results of this study, the processing of kinetic data was performed. Using the Darcy and Hagen–Poiseuille equations for constant-pressure filtration, the mechanism of the formation of a dynamic membrane under the above-specified conditions was established. It has been shown that, in the process of water purification from Al(III) on the ceramic membrane, its specific capacity decreases with time due to the precipitation of insoluble hydrolyzed Al(III) forms (hydroxo compounds) onto its surface. It has been established that, in this process, the filtration mechanism is changed from the gradual clogging of pores with several particles to the deposition of a precipitate from Al(III) hydroxo compounds onto the microfilter surface with the formation of a dynamic membrane. To decrease the size of pores and improve the selective properties of the microfiltration ceramic membrane made of clay minerals, its modification via the formation of a dynamic membrane from hydroxo compounds of metals on its surface in the process of water purification from these compounds was proposed.</p>","PeriodicalId":680,"journal":{"name":"Journal of Water Chemistry and Technology","volume":"47 6","pages":"586 - 591"},"PeriodicalIF":0.5,"publicationDate":"2025-11-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145493587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Technical Efficiency Assessment and Economic Cost Analysis of Leachate Treatment Systems in Waste Incineration Power Plants in China 中国垃圾焚烧发电厂渗滤液处理系统技术效率评价及经济成本分析
IF 0.5 4区 化学
Journal of Water Chemistry and Technology Pub Date : 2025-09-10 DOI: 10.3103/S1063455X25050030
Chao Sun,  Jisheng Long
{"title":"Technical Efficiency Assessment and Economic Cost Analysis of Leachate Treatment Systems in Waste Incineration Power Plants in China","authors":"Chao Sun,&nbsp; Jisheng Long","doi":"10.3103/S1063455X25050030","DOIUrl":"10.3103/S1063455X25050030","url":null,"abstract":"<p>The waste stockpiling before its incineration often leads to the production of substantial leachate. Climate might affect the leachate production and its treatment. Here, a systematic investigation of leachate quality and the operational status of leachate treatment stations in 9 incineration power plants from subtropical and temperate regions in China was carried out. The results indicated that the average annual leachate production rates of waste incineration power plants in both regions were 17%, with higher production amounts in summer and lower in winter. When compared to subtropical projects, those in temperate zones exhibited greater annual fluctuations in leachate production, poorer raw leachate water quality, and higher treatment loads during the summer. These characteristics posed higher operational management demands for the temperate leachate systems. The “pretreatment + biological treatment + membrane advanced treatment” system is the main technology for leachate treatment in waste incineration power plants. It could be found that the removal rates for chemical oxygen demand (COD), ammonia nitrogen (NH<sub>3</sub>–N), and chloride ions (Cl<sup>–</sup>) could reach 99.94, 99.88, and 95.70%, respectively. Meanwhile, the treated water met the reuse standards, proving the technology’s high efficiency and stability across different temperature zones. The average annual total operating cost of leachate treatment stations was approximately 50.62 yuan/t. Among the total cost, the electric cost accounted for about 50.95%, making it a key factor in cost reduction and efficiency improvement for leachate treatment systems. This study will provide valuable data and technical support for the efficient and economical leachate treatment in waste incineration power plants.</p>","PeriodicalId":680,"journal":{"name":"Journal of Water Chemistry and Technology","volume":"47 5","pages":"464 - 475"},"PeriodicalIF":0.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145028316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hydrogeochemical Characteristics of Spatiotemporal Variation, Controlling Factors and Travertine Deposition Capacity of the Springs and the Secondary Conversion Springs in Huanglong, a World Natural Heritage, Sichuan, China 世界自然遗产四川黄龙温泉及次生转化泉水文地球化学时空变化特征、控制因素及石灰华沉积能力
IF 0.5 4区 化学
Journal of Water Chemistry and Technology Pub Date : 2025-09-10 DOI: 10.3103/S1063455X25050042
Jiyu Tang, Wenhao Gao, Xinze Liu, Zhilin Chen, Dong Sun, Liang Qin, Zhipeng Zhang, Shupu Liu, Jianxing Dong, Shikuan Wang, Qingming Zhang, Liping Jiang, Shu Tang, Qingle Zeng
{"title":"Hydrogeochemical Characteristics of Spatiotemporal Variation, Controlling Factors and Travertine Deposition Capacity of the Springs and the Secondary Conversion Springs in Huanglong, a World Natural Heritage, Sichuan, China","authors":"Jiyu Tang,&nbsp;Wenhao Gao,&nbsp;Xinze Liu,&nbsp;Zhilin Chen,&nbsp;Dong Sun,&nbsp;Liang Qin,&nbsp;Zhipeng Zhang,&nbsp;Shupu Liu,&nbsp;Jianxing Dong,&nbsp;Shikuan Wang,&nbsp;Qingming Zhang,&nbsp;Liping Jiang,&nbsp;Shu Tang,&nbsp;Qingle Zeng","doi":"10.3103/S1063455X25050042","DOIUrl":"10.3103/S1063455X25050042","url":null,"abstract":"<p>To investigate the hydrochemical properties, influencing factors, and travertine deposition potential of the Springs and the Secondary Conversion Springs in the Huanglong Scenic Area, 14 surface water samples were gathered from two aquifers. The composition and controlling factors of hydrochemical elements in the region’s surface water were analysed using statistical methods, Pearson correlation, Piper diagrams, Gibbs diagrams, ion ratio analysis, and principal component analysis. The findings are as follows: (1) The dominant hydrochemical classification in the region is <span>({text{HCO}}_{3}^{ - })</span>–Ca<sup>2+</sup>. (2) The Springs exhibit significant spatial variability in hydrochemical traits, heavily influenced by factors such as temperature, aquifer materials, and terrain. In contrast, the Secondary Conversion Springs are less impacted by these variables. (3) The hydrochemical composition of the Springs and the Secondary Conversion Springs in July and September remained stable over time, primarily influenced by a single factor—water−rock interaction. The hydrochemical profile was mainly governed by the dissolution of carbonate rocks, with minor contributions from halite and gypsum dissolution. (4) The Springs in the study area are characterised by high <span>({{P}_{{{text{C}}{{{text{O}}}_{{text{2}}}}}}})</span>, high <span>({text{HCO}}_{3}^{ - })</span> and high Ca<sup>2+</sup>, concentrations, providing the main sources of calcium and carbon for travertine deposition in the Secondary Conversion Springs, and the deposition capacity of travertine is mainly affected by Ca<sup>2+</sup>, <span>({text{HCO}}_{3}^{ - })</span>, <span>({{P}_{{{text{C}}{{{text{O}}}_{{text{2}}}}}}})</span> and pH.</p>","PeriodicalId":680,"journal":{"name":"Journal of Water Chemistry and Technology","volume":"47 5","pages":"439 - 454"},"PeriodicalIF":0.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145028313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photodegradation of Pharmaceuticals from Aqueous Solutions Using TiO2, Composite Nanofiber PAN-MWCNT/TiO2, and PAN-MWCNT/TiO2–NH2 as Photocatalysts under Ultraviolet and Visible Light 紫外光和可见光下TiO2、复合纳米纤维PAN-MWCNT/TiO2和PAN-MWCNT/TiO2 - nh2光催化剂对水溶液中药物的光降解
IF 0.5 4区 化学
Journal of Water Chemistry and Technology Pub Date : 2025-09-10 DOI: 10.3103/S1063455X25050029
Mousumi Chakraborty,  Vineet Kumar Rathore
{"title":"Photodegradation of Pharmaceuticals from Aqueous Solutions Using TiO2, Composite Nanofiber PAN-MWCNT/TiO2, and PAN-MWCNT/TiO2–NH2 as Photocatalysts under Ultraviolet and Visible Light","authors":"Mousumi Chakraborty,&nbsp; Vineet Kumar Rathore","doi":"10.3103/S1063455X25050029","DOIUrl":"10.3103/S1063455X25050029","url":null,"abstract":"<p>The present study investigates the degradation of tetracycline (TCH), amoxicillin (AMX), and diclofenac sodium (DCF) under ultraviolet (UV) and visible light conditions using TiO<sub>2</sub> and two composite nanofibers, PAN-MWCNT/TiO<sub>2</sub>−NH<sub>2</sub> and PAN-MWCNT/TiO<sub>2</sub>, as photocatalysts. The nanofiber catalysts were prepared by the force-spinning method and characterised by Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), Raman spectroscopy and scanning electron microscopy (SEM). Maximum degradation percentage was achieved by optimising various parameters, in particular feed pH (3–11), concentration of feed (50–100 mg/L), and dosing of the catalyst (0.5–1.5 g/L). TiO<sub>2</sub>-based nanofiber adjusts the band gap and increase its capability to absorb UV and visible light selectively. The effectiveness of AMX, TCH, and DCF (50 mg/L) degradation was investigated using UV and solar radiation with various photocatalysts (1 g/L) at pH 3 for AMX and DCF and pH 11 for TCH. This study revealed that PAN-MWCNT/TiO<sub>2</sub> was the most efficient catalyst under UV radiation, which showed the maximum degradation percentage of the pollutants, i.e., 97% for AMX, 95% for TCH, and 91% for DCF in 90 min, whereas PAN-MWCNT/TiO<sub>2</sub>–NH<sub>2</sub> was highly effective in visible light and resulted in 64% for AMX, 72% for TCH, and 67% for DCF degradation in 6 h. Chemical oxygen demand (COD) analysis was performed before and after the degradation process. 70–80% COD removal efficiencies suggested partial oxidation of the pollutants (AMX/TCH/DCF). To spot the intermediate compounds produced during the degradation process, Liquid chromatography-mass spectrometry (LC-MS) analysis was also performed.</p>","PeriodicalId":680,"journal":{"name":"Journal of Water Chemistry and Technology","volume":"47 5","pages":"426 - 438"},"PeriodicalIF":0.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145028312","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Novel and Sustainable Approach for Wastewater Treatment and Contaminant Removal by Biohybrids: Contemporary Situations and Prospective Futures 一种新的、可持续的生物杂交废水处理和污染物去除方法:当代情况和未来展望
IF 0.5 4区 化学
Journal of Water Chemistry and Technology Pub Date : 2025-09-10 DOI: 10.3103/S1063455X25050054
Manoj Kumar, Prakash C. Sahoo, Kulamani Parida
{"title":"A Novel and Sustainable Approach for Wastewater Treatment and Contaminant Removal by Biohybrids: Contemporary Situations and Prospective Futures","authors":"Manoj Kumar,&nbsp;Prakash C. Sahoo,&nbsp;Kulamani Parida","doi":"10.3103/S1063455X25050054","DOIUrl":"10.3103/S1063455X25050054","url":null,"abstract":"<p>The synthesis of biohybrids is a fascinating field of study at the node of materials engineering and bioscience involving combining functional materials with biological entities. Tailoring the physicochemical properties of nanomaterials in conjunction with biological systems has been made easy by developments in novel material design and processing technologies. Because biohybrids have more active sites and a larger surface area than polycrystalline materials, they demonstrate better catalytic activity. Thus, employing microbes in nanomaterials can offer a fresh method for decontaminating and treating wastewater. Various nanomaterials have been incorporated into biological systems up to this point, ranging from essential enzymes to complex multicellular species. Here, we offer a critical review of current advancements in biohybrids, which open up new or enhanced biological applications that can potentially treat wastewater. These enticing biohybrids explore the most recent developments of integrated biotechnology and nanotechnology that may work together to transform wastewater management. An overview of the possible uses of different biohybrids in various water treatments is given in this review. Consequently, this review has also recognized and examined the drawbacks and difficulties of using biohybrids. The information presented in this review offers fresh perspectives and opportunities for further study and advancement to increase the applicability of biohybrids.</p>","PeriodicalId":680,"journal":{"name":"Journal of Water Chemistry and Technology","volume":"47 5","pages":"492 - 508"},"PeriodicalIF":0.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145028315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Modeling the Structure of Water–Oil–Coal Emulsions Based on Anthracite and Waste Water 基于无烟煤和废水的水-油-煤乳剂结构建模
IF 0.5 4区 化学
Journal of Water Chemistry and Technology Pub Date : 2025-09-10 DOI: 10.3103/S1063455X2505008X
A. S. Makarov, Yu. M. Kryuchkov, R. E. Klishchenko, I. M. Kosygina, I. M. Potapchuk
{"title":"Modeling the Structure of Water–Oil–Coal Emulsions Based on Anthracite and Waste Water","authors":"A. S. Makarov,&nbsp;Yu. M. Kryuchkov,&nbsp;R. E. Klishchenko,&nbsp;I. M. Kosygina,&nbsp;I. M. Potapchuk","doi":"10.3103/S1063455X2505008X","DOIUrl":"10.3103/S1063455X2505008X","url":null,"abstract":"<p>A structural model of water–oil–coal emulsions (WOCEs) based on large spherical anthracite particles dispersed in a matrix phase composed of small spherical anthracite particles, oil, industrial waste water, and an emulsifier is proposed. The model provides the calculation of average coordination numbers for both large and small particles along with the interparticle distance by using the specified or calculated coordination numbers. This makes it possible to optimize the process of achieving desirable properties, in particular, with waste water to promote more efficient utilization for water–oil–coal emulsions in the power production sector. The utilization of water–oil–coal emulsions contributes to rational resource management, reduces environment pollution, and provides a comprehensive solution for industrial wastewater disposal. Due to stable combustion within a broad range of temperatures and a high calorific value, such systems essentially reduce the thermal power production expenditures. The cost of heat production by WOCE combustion per 1 Gcal is twice lower as compared to traditional fossil fuels, so its utilization becomes economically reasonable and promising for power production industry.</p>","PeriodicalId":680,"journal":{"name":"Journal of Water Chemistry and Technology","volume":"47 5","pages":"421 - 425"},"PeriodicalIF":0.5,"publicationDate":"2025-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145028250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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