Environmental Technology最新文献

{"title":"Correction.","authors":"","doi":"10.1080/09593330.2024.2378506","DOIUrl":"10.1080/09593330.2024.2378506","url":null,"abstract":"","PeriodicalId":12009,"journal":{"name":"Environmental Technology","volume":" ","pages":"i"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141579346","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}

{"title":"Conversion of cobalt from spent LIBs to Co₃O₄ electrode material for application in supercapacitors.","authors":"Tang Ping, Chen Li, Yu Yezhe","doi":"10.1080/09593330.2024.2376288","DOIUrl":"10.1080/09593330.2024.2376288","url":null,"abstract":"<p><p>The cathode material of lithium-ion batteries (LIBs) is endowed with valuable metals, such as cobalt. The improper treatment of these batteries pollutes the environment and causes enormous resource waste. Therefore, the recovery of valuable metals from spent LIBs has attracted widespread attention. In this study, Co₃O₄ electrode materials were prepared by a simple homogeneous precipitation method and heat treatment using a leaching solution of spent LIBs-positive electrode material as the cobalt source. The crystal structure and morphology of the products were examined at different annealing temperatures, and their electrochemical performance was analyzed. The results show that low-temperature annealing contributes to grain refinement. The Co₃O₄ material prepared at 300°C annealing temperature has a rod-like structure with distinct pores and a specific surface area of 58.98 m2 g^-1. Furthermore, electrochemical performance testing reveals that Co₃O₄ prepared at 300°C displays the best electrochemical performance as an electrode material, with a specific capacitance of 97.93 F g^-1 and a cycle retention rate of 79.12% after 500 charge-discharge cycles. These findings demonstrate the feasibility of recycling valuable metal cobalt from spent LIBs cathode materials to produce Co₃O₄ materials for use as supercapacitor electrode materials, opening up new avenues for the recycling and utilisation of spent LIBs.</p>","PeriodicalId":12009,"journal":{"name":"Environmental Technology","volume":" ","pages":"1072-1085"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141603528","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}

{"title":"Enhancing adsorption capacity of carbon nanotubes through sand filters for the removal of organic pollutants: a column investigation.","authors":"Mohamadreza Fadaei Tehrani, Saeed Skandari, Gholamreza Nabi Bidhendi","doi":"10.1080/09593330.2024.2375004","DOIUrl":"10.1080/09593330.2024.2375004","url":null,"abstract":"<p><p>Dissolved organic pollutants caused by paints, detergents, herbicides, and toxins cannot be removed by conventional water treatment processes such as filtration. Different figures of activated carbon such as carbon nanotubes (CNTs) are substances to obliterate these contaminants. Although these CNTs have higher ability to decompose organic contaminants, using the slurry form of CNTs is not suitable due to the removal requirement at the end of the treatment procedure. In this study, upgraded CNTs attached to particles of sand filters (CNT_sand) were synthesised and applied to remove dissolved organic pollutants. The results revealed the high capacity of the CNT_sand to extract organic contaminants. The column test with natural water compared to the distilled water had a more extended breakpoint, higher adsorption capacity, and consequently, further removal efficiency, such that for the surface area loading rate of 4.8 ml/min, the breakpoint increased from 739 minutes to 936 minutes as well as the volume of passed water grew from 3546 ml to 4493 ml; Therefore, the maximum adsorption capacity was enhanced from 67.3 mg/g to 89.5 mg/g. In conclusion, the adequacy and efficiency of the upgraded nanotube coating on sand grains to remove organic pollutants were confirmed.</p>","PeriodicalId":12009,"journal":{"name":"Environmental Technology","volume":" ","pages":"991-1004"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141874526","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}

{"title":"Internal and external spatial analysis of trace elements in local crayfish.","authors":"Joseph A Kazery, Jacob W Garteiser, Carlee M Cockrell, Andrew D Doubert, Javian E Ervin, Madeline S Brown, Kevin E Burns, Scoty M Hearst","doi":"10.1080/09593330.2024.2380396","DOIUrl":"10.1080/09593330.2024.2380396","url":null,"abstract":"<p><p>Pollution in urban environments is a major health concern for humans as well as the local wildlife and aquatic species. Anthropogenic waste and discharge from storm drainage accumulate nutrients and environmental contaminants in local water systems. Locating contaminated sites using water samples over the vast landscape is a daunting task. Crayfish thrive in urban environments and have been used for biomonitoring pollutants. This study aimed to use crayfish as sentinels to monitor for elements in local environments. In this study, crayfish were used to measure metals and metalloids in lotic environments using ICP-OES analysis of abdominal and exoskeletal tissue. Using cluster analysis, geographical zones of trace element accumulation were determined. Eighteen total elements were analysed providing baseline data on local genera, biometric data, and element concentrations averaging 267.3 mg/kg Mn in the exoskeleton and with Zn averaging 6.88 mg/kg being significantly higher in the abdomen. Correlations of elements with biometric data allowed for internal analyses of elements. The elements As, Cr, Hg, Ni, and Tl demonstrated equivalent concentrations in both tissues. The crayfish locations with high abundance of elements allowed for the determination of contaminated areas with higher accumulations being areas of active urban development. These analyses gave measurable results of metal and metalloid to pinpoint potential sources of pollutants. Since crayfish are consumed globally as a food source, these methods can be used to determine the risk of toxic metals being passed through the food chain to the public.</p>","PeriodicalId":12009,"journal":{"name":"Environmental Technology","volume":" ","pages":"1215-1228"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141626390","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}

{"title":"Recovery of ammonia nitrogen from simulated reject water by bipolar membrane electrodialysis.","authors":"Ming Zhu, Yongzhi Chi, Weifeng Zhou, Fuqiang Chen, Hanwen Huang, Feiyu He, Sufeng Tian, Xueke Wang, Yu-You Li, Cuilian Fu","doi":"10.1080/09593330.2024.2377795","DOIUrl":"10.1080/09593330.2024.2377795","url":null,"abstract":"<p><p>Ammonia monohydrate (NH₃·H₂O) is an important chemical widely used in industrial, agricultural, and pharmaceutical fields. Reject water is used as the raw material in self-built bipolar membrane electrodialysis (BMED) to produce NH₃·H₂O. The effects of electrode materials, membrane stack structure, and operating conditions (current density, initial concentrations of the reject water, and initial volume ratio) on the BMED process were investigated, and the economic costs were analyzed. The results showed that compared with graphite electrodes, ruthenium-iridium-titanium electrodes as electrode plates for BMED could increase current efficiency (25%) and reduce energy consumption (26%). Compared with two-compartment BMED, three-compartment BMED had a higher ammonia nitrogen conversion rate (86.6%) and lower energy consumption (3.5 kW· h/kg). Higher current density (15 mA/cm²) could achieve better current efficiency (79%). The BMED performances were improved when the initial <math><msubsup><mrow><mi>NH</mi></mrow><mn>4</mn><mo>+</mo></msubsup></math> concentrations of the reject water increased from 500 mg <math><msubsup><mrow><mi>NH</mi></mrow><mn>4</mn><mo>+</mo></msubsup></math>/L to 1000 mg <math><msubsup><mrow><mi>NH</mi></mrow><mn>4</mn><mo>+</mo></msubsup></math>/L, but the performance decreased as the concentration increased from 1000 mg <math><msubsup><mrow><mi>NH</mi></mrow><mn>4</mn><mo>+</mo></msubsup></math>/L to 1500 mg <math><msubsup><mrow><mi>NH</mi></mrow><mn>4</mn><mo>+</mo></msubsup></math>/L. High initial volume ratio of the salt compartment and product compartment was beneficial for reducing energy consumption. Under the optimal operating conditions, only 0.13 $/kg reject water was needed to eliminate the environmental impact of reject water accumulation. This work indicates that BMED can not only achieve desalination of reject water, but also generate products that alleviate the operational pressure of factories.</p>","PeriodicalId":12009,"journal":{"name":"Environmental Technology","volume":" ","pages":"1147-1159"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141632990","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}

{"title":"New insights into chicken processing wastewater treatment: the role of the microalgae <i>Parachlorella kessleri</i> on nitrogen removal.","authors":"Thais Agda R da C Primo, Luana Búrigo Vargas, Rafaela Dexcheimer Alves, Fabio de Farias Neves, Everton Skoronski","doi":"10.1080/09593330.2024.2381643","DOIUrl":"10.1080/09593330.2024.2381643","url":null,"abstract":"<p><p>Microalgal Technologies have recently been employed as an alternative treatment for high nitrogen content wastewater. Nitrogen is an essential nutrient for microalgae growth, and its presence in wastewater may be an alternative source to synthetic medium, contributing to a circular economy. This study aimed to investigate the effect of using <i>Parachlorella kessleri</i> cultivated in wastewater from the thermal processing of chicken meat. Experiments were performed to obtain the ideal sampling site, <i>inoculum</i> dosage, and contact time. <i>P. kessleri</i> had better growth in the sample from the settling basin. Nitrogen removal was 95% (0,15 mg TNK/10⁷ cells) in 9 days, and the final nitrogen concentration was lower than 20 mg/L, and the nitrate concentration was lower than 1 mg/L. However, during the third cycle in the kinetic assay, there was a decline in the microalgae growth, occasioned by the accumulation of nitrite (38,4 mg/L) in the inside of the cell. The study demonstrated that nitrogen concentration is directly related to the cell growth of the algae. <i>Parachlorella kessleri</i> efficiently removed nitrogen from chicken meat thermal processing wastewater and is a potential option for tertiary treatment and valorisation of such effluent as a nitrogen source.</p>","PeriodicalId":12009,"journal":{"name":"Environmental Technology","volume":" ","pages":"1229-1241"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141757935","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}

{"title":"The denitrification characteristics of Na₂S₂O₈ solution in a falling film reactor.","authors":"Jing Liu, Jingxuan Jiang, Xiangwen Xing, Hao Zhang, Juan Chen, Yong Dong","doi":"10.1080/09593330.2024.2376292","DOIUrl":"10.1080/09593330.2024.2376292","url":null,"abstract":"<p><p>Wet scrubbing technology is an effective emission control technology for marine diesel engines. Nitric oxide (NO) is one of the main component of ship emissions, the sodium persulfate (Na₂S₂O₈) can facilitate the NO mass transfer process to a rapid reaction. Falling film reactors are widely used in rapid gas-liquid reactions, however, the reaction characteristics of denitrification using Na₂S₂O₈ solution in a falling film reactor are not clear, which were investigated in this paper. The factors of NO mass transfer flux were tested with the liquid-gas ratio of 15 L/m³. The effects of solution properties and temperatures on the reaction driving force were studied by calculating the chemical reaction equilibrium constants and Gibbs free energy changes. The results showed that the NO mass transfer flux increased with the increase of temperature, Na₂S₂O₈ concentration, O₂ concentration and NO concentration. NO mass transfer flux increased by 41.00% and then decreased by 2.12% as the pH value increased from 7 to 10 and then rising to 12. The Gibbs free energy changes of alkaline solutions were 114.22%-130.99% lower than those of acidic solution at 303-343 K, and the chemical reaction equilibrium constants were higher. Na₂S₂O₈/seawater system has great application potential in marine exhaust gas purification.</p>","PeriodicalId":12009,"journal":{"name":"Environmental Technology","volume":" ","pages":"1138-1146"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141603531","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}

{"title":"Facile construction of copper-doped metal organic framework as a novel visible light-responsive photocatalyst for contaminant degradation.","authors":"Yingjie Li, Wenyan Bi, Haoyu Yang, Yingli Yue, Sixu Liu, Guangshun Hou","doi":"10.1080/09593330.2024.2376290","DOIUrl":"10.1080/09593330.2024.2376290","url":null,"abstract":"<p><p><b>ABSTRACT</b>Metal-organic frameworks (MOFs) with photocatalytic activity have garnered significant attentions in environmental remediation. Herein, copper-doped zeolitic imidazolate framework-7 (Cu-doped ZIF-7) was synthesized rapidly and easily using a microwave-assisted technique. Various analytical and spectroscopic methods were employed to access the framework, morphology, light absorption, photo-electrochemical and photocatalytic performance of the synthesized materials. Compared to ZIF-7, Cu/ZIF-7 (molar ratio of Cu²⁺ to Zn²⁺ is 1:1) demonstrates superior visible light absorption ability, narrower band gap, enhanced charge separation capability, and reduced electron-hole recombination performance. Under visible light irradiation, Cu/ZIF-7 serves as a Fenton-like catalyst and demonstrates exceptional activity for contaminant degradation, while virgin ZIF-7 remains inactive. With the addition of 9.8 mmol H₂O₂ and exposure to visible light for 30 min, 10 mg of Cu/ZIF-7 can completely decompose RhB solution (10 mg/L, 50 mL). The synergistic effect of the Cu/ZIF-7/H₂O₂/visible light system is attributed to visible light photocatalysis and Fenton-like reactions. Cu/ZIF-7 demonstrates excellent catalytic performance stability, with only a slight decrease in degradation efficiency from an initial 97.0% to 95.4% over four cycles. Additionally, spin-trapping ESR measurements and active species trapping experiments revealed that h⁺ and ·OH occupied a significant position for Rhodamine B (RhB) degradation. Degradation intermediate products of Rhodamine B have been identified using UPLC-MS, and the degradation pathways have been proposed and discussed. This work offers a facile and efficient technique for developing MOF-based visible light photocatalysts for water purification.</p>","PeriodicalId":12009,"journal":{"name":"Environmental Technology","volume":" ","pages":"1099-1111"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141603530","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}

{"title":"Electrochemical biofilter enhances performance of volatile organic compounds abatement.","authors":"Marvin Yeung, Guangchun Wang, Bairen Yang, Jinying Xi","doi":"10.1080/09593330.2024.2375009","DOIUrl":"10.1080/09593330.2024.2375009","url":null,"abstract":"<p><p>An electrochemical biofilter (EBF) was developed for enhancing the removal of volatile organic compounds (VOCs) through current. The removal efficiency (RE) of toluene exhibited a notable increase of 15% while the biomass growth rate exhibited a corresponding decline of 46% under an optimal current intensity of 50 mA. Meanwhile, the efficacy of the EBF system was markedly enhanced upon the removal of n-hexane, styrene, dichloromethane, and diisobutylene. The results indicated that there was an 11% to 49% increase in RE and a 0% to 64% reduction in biomass growth rates under the influence of the current. The current stimulation inhibited the accumulation of microorganisms, thereby alleviating biofilm clogging. The relative abundance of gram-positive phyla, including Firmicutes and Actinobacteria, increased by 15% and 23%, respectively, while the traditionally dominant genera within the Proteobacteria phylum, such as <i>Rhodococcus and Dokdonella</i>, exhibited a decline. In addition, the presence of hydrogen peroxide, free chlorine, and superoxides in the leachate indicated that the oxidative reaction increased in EBF system. This study provides an attractive pathway for current stimulation to enhance degradation of VOCs and alleviate biofilm clogging.</p>","PeriodicalId":12009,"journal":{"name":"Environmental Technology","volume":" ","pages":"1062-1071"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141579347","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}

{"title":"Innovative microbial water quality management in water distribution systems using in-pipe hydropowered UV disinfection: envisioning futuristic water-energy systems.","authors":"Daniel Ma, Clarissa Belloni, Natalie M Hull","doi":"10.1080/09593330.2024.2375008","DOIUrl":"10.1080/09593330.2024.2375008","url":null,"abstract":"<p><p>Hydropower UV disinfection has not been explored as a possible alternative for off-grid disinfection. Hydropowered UV LED technology was developed using off-the-shelf UV-C LEDs and pico - and femto-scale hydro turbine generators and evaluated across point-of-use relevant flow rates. Commercially available UV LED flow through reactors were subjected to microorganism challenge testing with 3 power schemes: wall-plug, hydropower, and hydropower-charged battery. UV LEDs powered by hydropower-charged battery demonstrated similar disinfection as wall-plug powered UV LEDs, achieving 0.5-1.8 MS2 log₁₀ reduction at flow rates 0.5-2.3 L min^-1, corresponding to reduction equivalent doses (RED) up to 16 or 30 mJ/cm² for 254 and 285 nm, respectively. With hydropowered UV LEDs alone, MS2 log₁₀ reduction decreased to <0.3 log₁₀ reduction due to an underperforming and grossly inefficient turbine, with RED of 8 or 18 mJ/cm² for 254 and 285 nm, respectively. Assessment of existing markets of UV disinfection systems and pico-hydro turbines demonstrated that hydropowered UV systems are already theoretically feasible for scales at point-of-entry (POE) and above. Economic feasibility will improve if turbines and/or UV system efficiencies improve. Prototype hydropower UV LED systems ranged from $145 to 220 depending on the UV LED reactor, and the battery system added $81. This study demonstrates the practicality of sustainable, renewable energy POU UV disinfection technology that can benefit decentralised, off-grid, rural and remote communities. The system may also scale up to provide renewable energy disinfection at larger scales, such as buildings and water distribution systems, for protecting human health in highly populated areas.</p>","PeriodicalId":12009,"journal":{"name":"Environmental Technology","volume":" ","pages":"1045-1061"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141619696","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}