Environmental Progress & Sustainable Energy最新文献

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Screening and identification of plant growth promoting bacteria and their influence on soil heavy metal forms 植物促生菌的筛选鉴定及其对土壤重金属形态的影响
IF 2.3 4区 环境科学与生态学
Environmental Progress & Sustainable Energy Pub Date : 2025-05-19 DOI: 10.1002/ep.14633
Yi Deng, Xuewen Wu, Nan Hu, Weihua Gu, Mengjun Chen
{"title":"Screening and identification of plant growth promoting bacteria and their influence on soil heavy metal forms","authors":"Yi Deng,&nbsp;Xuewen Wu,&nbsp;Nan Hu,&nbsp;Weihua Gu,&nbsp;Mengjun Chen","doi":"10.1002/ep.14633","DOIUrl":"10.1002/ep.14633","url":null,"abstract":"<p>The unregulated dismantling of electronic products has led to heavy metal contamination of soil at electronic waste dismantling sites, causing serious environmental problems and not conducive to environmentally sustainable development. Therefore, we screened four bacterial strains from soil collected from a contaminated e-waste site. The objectives of the study were: to identify plant growth-promoting strains with useful characteristics; to determine the behavior of the strains by various qualitative and quantitative tests; to determine the effect of each strain on the migration of different forms of heavy metals from the soil by shake flask tests; and to determine the mechanisms by which this migration occurs. This study investigated the nitrogen fixation, inorganic phosphorus solubilization, iron carrier production, indole-3-acetic acid secretion, and metal tolerance of each bacterial strain, and used 16S rDNA analysis to determine its taxonomic status and growth characteristics. The 16S rDNA analysis revealed that strains RH1 and RH3 belonged to the genus <i>Rhizobium</i>, and strains MO2 and MO4 belonged to the genus <i>Microbacterium</i>. MO4 had the highest indole-3-acetic acid production capacity of 26.98 mg/L; RH3 had the highest inorganic phosphorus solubilization capacity of 1.33; RH1, MO2, RH3, and MO4 were capable of fixing nitrogen; and MO2 and MO4 were capable of producing iron carriers. A series of tests showed that the strains affected the levels of different forms of heavy metals and played a mobilizing role. In conclusion, RH3 and MO4 are excellent plant growth-promoting bacteria and have considerable potential for the green remediation of soils contaminated with heavy metals.</p>","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 4","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental investigation on preparation, characterization and stability of Al2O3 nanofluid in application of PV thermal management Al2O3纳米流体制备、表征及稳定性在PV热管理中的应用实验研究
IF 2.3 4区 环境科学与生态学
Environmental Progress & Sustainable Energy Pub Date : 2025-05-19 DOI: 10.1002/ep.14648
Mukul Kant Paliwal, Sanjeev Jakhar, Bhisham Kumar Dhurandher, Vikrant Sharma
{"title":"Experimental investigation on preparation, characterization and stability of Al2O3 nanofluid in application of PV thermal management","authors":"Mukul Kant Paliwal,&nbsp;Sanjeev Jakhar,&nbsp;Bhisham Kumar Dhurandher,&nbsp;Vikrant Sharma","doi":"10.1002/ep.14648","DOIUrl":"10.1002/ep.14648","url":null,"abstract":"<p>This study investigates the preparation, characterization, and stability mechanisms of Al<sub>2</sub>O<sub>3</sub> nanofluid for photovoltaic thermal management applications. The experimental preparation of Al<sub>2</sub>O<sub>3</sub> nanofluids is described using two-step methods, as well as the influence of parameters such as particle size, concentration, and base fluid selection. Thermal conductivity, specific heat, viscosity, and stability tests were conducted to evaluate its suitability for PV cooling for sustainable development. Further, Al<sub>2</sub>O<sub>3</sub> nanofluid was experimentally investigated for PV cooling using 0.5%, 1%, 1.5%, 2%, and 2.5% volume fractions. From the results, it was observed that the PV panel temperature varies from 19.35 to 87.95°C for the time duration of 0 to 60 min in the case of without cooling. On the other hand, the PV panel temperature ranged from 10.9 to 60.85°C with the nanofluid cooling for a volume fraction of 2.5% at a mass flow rate of 0.010 kg/s. The maximum electrical efficiency was achieved as 4.39% with a nanoparticle volume fraction of 2.5% at a flow rate of 0.010 kg/s. The use of nanofluid cooling resulted in an approximate 1% increase in electrical efficiency. Experimental results indicate that Al<sub>2</sub>O<sub>3</sub> nanofluid significantly enhances heat dissipation in PV systems, reducing its temperature and increasing electrical efficiency.</p>","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 4","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A naked-eye, highly sensitive and recyclable cliometric acid–base indicator based on xylenol orange functionalized polyvinyl alcohol fiber 一种基于二甲酚橙功能化聚乙烯醇纤维的裸眼、高灵敏度、可回收的测温酸碱指示剂
IF 2.3 4区 环境科学与生态学
Environmental Progress & Sustainable Energy Pub Date : 2025-05-19 DOI: 10.1002/ep.14645
Haitao Cui, Pengyu Li, Yongqiang Chen, Yahui Yuan, Senhao Wang, Chengxiao Yang, Wenying Ai, Xianlei Shi, Mingli Jiao
{"title":"A naked-eye, highly sensitive and recyclable cliometric acid–base indicator based on xylenol orange functionalized polyvinyl alcohol fiber","authors":"Haitao Cui,&nbsp;Pengyu Li,&nbsp;Yongqiang Chen,&nbsp;Yahui Yuan,&nbsp;Senhao Wang,&nbsp;Chengxiao Yang,&nbsp;Wenying Ai,&nbsp;Xianlei Shi,&nbsp;Mingli Jiao","doi":"10.1002/ep.14645","DOIUrl":"10.1002/ep.14645","url":null,"abstract":"<p>In this work, a novel xylenol orange functionalized polyvinyl alcohol fiber (PVAF-XO) was designed and prepared through a simple one-step reaction and characterized using elemental analysis, x-ray powder diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). The prepared PVAF-XO exhibits excellent sensitivity to acid and base solutions, featuring a remarkable visual color change from pale yellow to orange red (acid) or purple (base) within 1 s. It is shown that PVAF-XO has the advantages of excellent acid–base double response color change, low naked-eye detection limit (8 × 10<sup>−4</sup> mol/L), excellent reusability (&gt;500 times), high photostability (90 days) and concentrated acid–base stability, etc. This research is an important exploration for the application of functionalized polyvinyl alcohol fibers to pollution prevention.</p>","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 4","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sustainable use of propylene glycol monomethyl ether in epoxy composite coatings for marine corrosion prevention 丙二醇单甲醚在海洋防腐环氧复合涂料中的可持续应用
IF 2.3 4区 环境科学与生态学
Environmental Progress & Sustainable Energy Pub Date : 2025-05-16 DOI: 10.1002/ep.14641
Surendran Subramaniam, Nursyahmira Farhana Mohd Shah, Noorfazlida Mohamed, Mohd Jumain Jalil, Intan Suhada Azmi, Asiah Nusaibah Masri, Izni Mariah Ibrahim
{"title":"Sustainable use of propylene glycol monomethyl ether in epoxy composite coatings for marine corrosion prevention","authors":"Surendran Subramaniam,&nbsp;Nursyahmira Farhana Mohd Shah,&nbsp;Noorfazlida Mohamed,&nbsp;Mohd Jumain Jalil,&nbsp;Intan Suhada Azmi,&nbsp;Asiah Nusaibah Masri,&nbsp;Izni Mariah Ibrahim","doi":"10.1002/ep.14641","DOIUrl":"10.1002/ep.14641","url":null,"abstract":"<p>Conventional epoxy coatings emit harmful Volatile Organic Compounds (VOCs), particularly xylene, during application. This research investigated the use of propylene glycol monomethyl ether (PM) as a sustainable substitute for xylene in high-solid epoxy composite coatings. Five formulations with varying xylene-to-PM ratios (100:0, 0:100, 30:70, 50:50 and 70:30) were tested for VOC emissions, viscosity, and corrosion resistance. PM significantly reduced VOC emissions across all formulations, with the 100:0 PM formulation achieving an 80% reduction in VOC content compared to the xylene control. Corrosion resistance was assessed using weight loss tests, where the 100:0 PM formulation demonstrated a corrosion rate of 8.71 mpy, which, despite being higher than the xylene control's 2.18 mpy, still exhibited 66.67% inhibition efficiency. The results showed that PM-containing formulations performed comparably to or better than the xylene-based formulation in terms of VOC reduction and corrosion protection. This study demonstrates the potential of PM as a sustainable and environmentally friendly alternative to xylene in high-solid epoxy composite coatings, paving the way for cleaner corrosion protection methods in marine applications.</p>","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 4","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Achieving the targets of sustainable development goals 7 and 12 in Norway: An application of wavelet tools 在挪威实现可持续发展目标7和12:小波工具的应用
IF 2.3 4区 环境科学与生态学
Environmental Progress & Sustainable Energy Pub Date : 2025-05-15 DOI: 10.1002/ep.14634
Tomiwa Sunday Adebayo
{"title":"Achieving the targets of sustainable development goals 7 and 12 in Norway: An application of wavelet tools","authors":"Tomiwa Sunday Adebayo","doi":"10.1002/ep.14634","DOIUrl":"10.1002/ep.14634","url":null,"abstract":"<p>This research fills a critical gap in previous studies by examining Norway from new and innovative perspectives. First, it provides a comprehensive analysis of the impact of technological innovations (TI) and political globalization (PG) on renewable energy intensity (REI) using updated data spanning from 1980Q1 to 2022Q4. Second, it uniquely incorporates financial institutions (FIS) and financial markets (FM) as key variables, which have been largely overlooked in earlier studies. Third, the study utilizes advanced wavelet tools, offering methodological improvements that ensure robust empirical estimates and policy relevance across different time periods. Finally, it introduces the novel application of wavelet Granger causality in this context, providing fresh insights into the dynamic relationships shaping REI. The results of the wavelet coherence show that FM and REI exhibited positive coherence in the late 1990s and early 2010s, while PG showed negative coherence in the 2000s. In addition, TI consistently displayed positive coherence, with partial and multiple wavelet coherence results highlighting the combined influence of FIS, FM, and TI in shaping REI over time. These findings provide valuable insights for policymakers in Norway, enabling them to implement informed policy adjustments aimed at increasing renewable energy intensity.</p>","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 4","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022324","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
From waste to wealth: Transforming Bahrain's households' leftovers into high-quality compost compared to animal-based compost 从废物到财富:与动物堆肥相比,将巴林家庭的剩菜转化为高质量的堆肥
IF 2.3 4区 环境科学与生态学
Environmental Progress & Sustainable Energy Pub Date : 2025-05-14 DOI: 10.1002/ep.14646
Shaikha Adel, Iftikhar Ahmad, Adel Aawan, Ahmed M. Abdelrhman, Shahbaz Khan, Syed Asad Imam, Subramanian Chithambaram
{"title":"From waste to wealth: Transforming Bahrain's households' leftovers into high-quality compost compared to animal-based compost","authors":"Shaikha Adel,&nbsp;Iftikhar Ahmad,&nbsp;Adel Aawan,&nbsp;Ahmed M. Abdelrhman,&nbsp;Shahbaz Khan,&nbsp;Syed Asad Imam,&nbsp;Subramanian Chithambaram","doi":"10.1002/ep.14646","DOIUrl":"10.1002/ep.14646","url":null,"abstract":"<p>Composting is a sustainable method for treating food waste (FW) in Bahrain, where FW management typically involves incineration or landfilling. This study explores converting FW into organic compost for national afforestation, offering an alternative to animal-based compost. A 20 kg FW sample was composted over six weeks, producing 12 kg of compost that met all nine local organic compost standards. Adopting FW compost could save 21,024 Bahraini Dinars annually, reduce landfill volume by 60%, and cut costs by 31%. This approach could significantly mitigate the environmental impact of FW, promoting a more sustainable future.</p>","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 4","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of curved surface geometry on the productivity of solar distillation system: A review 曲面几何形状对太阳能蒸馏系统产率的影响
IF 2.3 4区 环境科学与生态学
Environmental Progress & Sustainable Energy Pub Date : 2025-05-14 DOI: 10.1002/ep.14635
Mahmoud Bady, Sohaib Zia Khan, Asad A. Zaidi, Abd Elnaby Kabeel, Mohammed El-Hadi Attia, Faisal Mahroogi
{"title":"Effect of curved surface geometry on the productivity of solar distillation system: A review","authors":"Mahmoud Bady,&nbsp;Sohaib Zia Khan,&nbsp;Asad A. Zaidi,&nbsp;Abd Elnaby Kabeel,&nbsp;Mohammed El-Hadi Attia,&nbsp;Faisal Mahroogi","doi":"10.1002/ep.14635","DOIUrl":"10.1002/ep.14635","url":null,"abstract":"<p>This paper carefully looks at how curved shapes affect the efficiency of making freshwater using solar distillation systems. It highlights the important role this has in renewable energy and water conservation. Solar distillation, harnessing the power of solar energy, emerges as a vital response to pressing global water scarcity issues by leveraging sustainable energy alternatives. This analysis accentuates the pivotal role of various curved geometries, including hemispherical, spherical, concave, and tubular shapes. These demonstrably enhance condensation surfaces and elevate productivity compared to conventional flat-surface distillers. Such innovative designs promote superior water yield by refining the interplay of heat and mass transfer phenomena. Empirical evidence substantiates that these curved geometries, in isolation from supplementary modifications, exhibit remarkable superiority over flat condensation surfaces, with productivity enhancements reaching notable levels and sometimes doubling the output. Moreover, incorporating sophisticated methodologies, such as integrating phase change materials, optimizing water basin designs, and applying nanotechnology, magnifies these advantages further. The ramifications of these technological advancements resonate profoundly, enhancing the efficiency and sustainability of desalination systems, thereby rendering them more feasible for combatting water scarcity in isolated and off-grid locales. The discourse presented within this paper synthesizes prevailing advancements, elucidates existing challenges, and delineates prospective research avenues within renewable water treatment technologies. Using clear and simple language helps everyone understand this study's importance, results, and wider effects for researchers and professionals.</p>","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 4","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022356","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improvement of radiative cooling paints by surface functionalization of filler particles 填料颗粒表面功能化改进辐射冷却涂料
IF 2.3 4区 环境科学与生态学
Environmental Progress & Sustainable Energy Pub Date : 2025-05-14 DOI: 10.1002/ep.14647
Sarun Atiganyanun, Chonlakorn Hasuchon, Pisist Kumnorkaew
{"title":"Improvement of radiative cooling paints by surface functionalization of filler particles","authors":"Sarun Atiganyanun,&nbsp;Chonlakorn Hasuchon,&nbsp;Pisist Kumnorkaew","doi":"10.1002/ep.14647","DOIUrl":"10.1002/ep.14647","url":null,"abstract":"<p>Radiative cooling is a sustainable path toward the reduction of energy used for cooling. Exterior paints remain the most accessible format of radiative cooling. To reduce costs, filler particles have been incorporated into paints along with titanium dioxide (TiO<sub>2</sub>) pigment without contributing to their cooling capabilities. This work investigated the surface functionalization of calcium carbonate (CaCO<sub>3</sub>), barium sulfate (BaSO<sub>4</sub>), and silica (SiO<sub>2</sub>) filler particles with methyltrimethoxysilane (MTMS) for improving paint cooling performance. Functionalized fillers improved paint solar reflectance, but this effect became minimal when the fillers were incorporated along with TiO<sub>2</sub> pigment. MTMS-modified CaCO<sub>3</sub> and BaSO<sub>4</sub> fillers, incorporated alone or along with TiO<sub>2</sub>, enhanced paint infrared emission in the atmospheric transparency window, while the functionalization of SiO<sub>2</sub> fillers had little impact on the emission. The MTMS functionalization also improved the thermal emissivity of BaSO<sub>4</sub> and CaCO<sub>3</sub> paints with TiO<sub>2</sub> pigment but reduced that of SiO<sub>2</sub>. Outdoor testing demonstrated that the use of MTMS-modified BaSO<sub>4</sub> fillers led to an additional reduction of paint temperature by 2.3°C during the daytime. Therefore, the functionalization of BaSO<sub>4</sub> filler particles is a simple and inexpensive method for improving the performance of radiative cooling paints without requiring significantly altering industrial paint production processes.</p>","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 4","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Uncertainty in inventories for life cycle assessment: State-of-the-art, challenges, and new technologies 生命周期评估中库存的不确定性:最新技术、挑战和新技术
IF 2.3 4区 环境科学与生态学
Environmental Progress & Sustainable Energy Pub Date : 2025-05-12 DOI: 10.1002/ep.14644
Eric C. D. Tan, Qingshi Tu, Antonio A. Martins, Yuan Yao, Aydin Sunol, Raymond L. Smith
{"title":"Uncertainty in inventories for life cycle assessment: State-of-the-art, challenges, and new technologies","authors":"Eric C. D. Tan,&nbsp;Qingshi Tu,&nbsp;Antonio A. Martins,&nbsp;Yuan Yao,&nbsp;Aydin Sunol,&nbsp;Raymond L. Smith","doi":"10.1002/ep.14644","DOIUrl":"10.1002/ep.14644","url":null,"abstract":"<p>Uncertainty is a critical factor that can hinder the quality and potential applications of life cycle assessment (LCA) results. A prominent source of uncertainty stems from the life cycle inventory (LCI) data. Various methodologies exist to estimate the uncertainty associated with LCI data, primarily based on the widely used structured pedigree matrix approach or the computationally intensive Monte Carlo simulation. This perspective review explores how new technologies (e.g., computational algorithms and data collection methods) from data science and related fields can contribute to identifying, quantifying, and reducing uncertainty in LCI modeling. A brief overview of the sources of uncertainty in LCI modeling and how they are addressed in current LCA practice is provided. Additionally, several new technologies are identified, and the potential benefits of their implementation in reducing uncertainties in LCI modeling are discussed. This perspective review concludes by identifying potential areas that require further development for these technologies.</p>","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 4","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://aiche.onlinelibrary.wiley.com/doi/epdf/10.1002/ep.14644","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145022190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Temporal profiling of Congo red degradation products during exposure to microalgae in synthetic wastewater 合成废水中微藻对刚果红降解产物的影响
IF 2.3 4区 环境科学与生态学
Environmental Progress & Sustainable Energy Pub Date : 2025-05-09 DOI: 10.1002/ep.14642
Palak Saket, Abhijeet Joshi, Pritam Sangwan, Kiran Bala
{"title":"Temporal profiling of Congo red degradation products during exposure to microalgae in synthetic wastewater","authors":"Palak Saket,&nbsp;Abhijeet Joshi,&nbsp;Pritam Sangwan,&nbsp;Kiran Bala","doi":"10.1002/ep.14642","DOIUrl":"10.1002/ep.14642","url":null,"abstract":"<p>This study is focused on the degradation mechanism and decolourisation efficiency of diazo dye Congo red with time when exposed to live <i>Scenedesmus</i> sp. in synthetic wastewater. The maximum decolourisation efficiency in synthetic wastewater achieved was 63.1 ± 3.8% on the 15th day of the experiment. For dye degradation analysis, UV–Visible spectroscopy was performed, which showed the breakage of the azo bond in the Congo red dye molecule after treatment. Gas chromatography–mass spectroscopy analysis performed on the 5th day of the experiment in synthetic wastewater revealed the formation of degradation products like benzene sulfonic acid, benzidine, and an unstable dinitro-naphthalene-1-sulfonic acid after the cleavage of the azo bond in Congo red dye. It was also assumed that the degradation products subsequently underwent further degradation into simpler forms by the 15th day and led to the formation of simpler compounds. Further, Fourier transform infrared spectroscopy analysis elucidated the significance of functional groups, providing evidence of Congo red dye molecule attachment on the surface of algal cells. Scanning electron microscopy showed the morphological deformation in <i>Scenedesmus</i> sp. in the presence of dye-containing wastewater. Phytotoxicity assessment revealed a decrease in the phytotoxic effects of the treated Congo red dye.</p>","PeriodicalId":11701,"journal":{"name":"Environmental Progress & Sustainable Energy","volume":"44 4","pages":""},"PeriodicalIF":2.3,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145021839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"环境科学与生态学","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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