Environmental Engineering Research最新文献

Fabrication of nitrogen-doped MXene composite electrode for efficient removal of sulfadiazine in homogeneous electro-Fenton system 均相电- fenton体系中高效去除磺胺嘧啶的氮掺杂MXene复合电极的制备

4区环境科学与生态学

Environmental Engineering Research Pub Date : 2024-10-30 DOI: 10.4491/eer.2024.441

Huilai Liu, Zhihao Li, Defeng Kong, Xing Chen

{"title":"Fabrication of nitrogen-doped MXene composite electrode for efficient removal of sulfadiazine in homogeneous electro-Fenton system","authors":"Huilai Liu, Zhihao Li, Defeng Kong, Xing Chen","doi":"10.4491/eer.2024.441","DOIUrl":"https://doi.org/10.4491/eer.2024.441","url":null,"abstract":"In this study, N-MXene-x (x denotes N loading) nanocomposites were successfully prepared by thermostatic ultrasonication and used as a cathode to construct a homogeneous electro-Fenton (EF) system for the degradation of sulphadiazine (SDZ). The characterization results that the electrocatalytic activity of the N-doped composites is significantly increased, which facilitates the two-electron oxygen reduction reaction (2e--ORR) and thus promotes the generation of hydrogen peroxide (H2O2) in the system. Experimental findings demonstrate that the N-MXene-3 cathode exhibits exceptional degradation performance for SDZ (97% removal in 60 min) during the homogeneous EF process. The catalytic oxidation mechanism of the N-MXene-3/EF system was explored by free radical quenching, electron paramagnetic resonance and frontier orbital theory studies, in which the main active substance for degrading SDZ was •OH. DFT calculations combined with the analysis of LC-MS results showed that SDZ was degraded mainly through amino oxidation, hydroxylation of heterocyclic roots, heterocyclic root ring opening, and C-S bond breaks. In addition, the N-MXene-3 cathode catalyst prepared in this study showed excellent stability through repeated experiments and also showed good performance in real water sample.","PeriodicalId":11704,"journal":{"name":"Environmental Engineering Research","volume":"30 3","pages":"240441-0"},"PeriodicalIF":0.0,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147334059","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

Super-hydrophobic blended needle-punched nonwovens integrated with silica-aerogels for PM2.5 filtration 超疏水混合针刺非织造布与二氧化硅气凝胶相结合，用于PM2.5过滤

4区环境科学与生态学

Environmental Engineering Research Pub Date : 2024-10-01 DOI: 10.4491/eer.2024.404

Hanur Meku Yesuf, Syed Rashedul Islam, Xueping Zhang, Xiaohong Qin

{"title":"Super-hydrophobic blended needle-punched nonwovens integrated with silica-aerogels for PM2.5 filtration","authors":"Hanur Meku Yesuf, Syed Rashedul Islam, Xueping Zhang, Xiaohong Qin","doi":"10.4491/eer.2024.404","DOIUrl":"https://doi.org/10.4491/eer.2024.404","url":null,"abstract":"This study investigated the hydrophobic and PM2.5 filtration properties of blended needle-punched nonwovens with the treatment of silica-aerogel. The treatment was done by padding. The BET, SEM and FTIR studies were used to investigate the influence of silica-aerogel on needle-punched nonwovens such as surface properties and molecular interaction. All the treated samples showed super-hydrophobic properties with water contact angle (WCA) of around 154.2 - 154.79o, filtration efficiency of 99.07 - 99.21%, pressure drop of 72.83 - 79.71 Pa and dust-holding capacity of 3,459,520 - 3,472,060 particles/cm2. The findings demonstrated that silica-aerogel played a vital role in enhancing the hydrophobicity, filtration efficiency, dust-holding capacity and fabric density of blended needle-punched nonwovens with statistically significant performance (p<0.05). There was no statistically significant difference in pressure drop, air permeability, porosity, and fabric thickness, which indicated that the treated samples could perform without structure loss as compared to the untreated.","PeriodicalId":11704,"journal":{"name":"Environmental Engineering Research","volume":"30 3","pages":"240404-0"},"PeriodicalIF":0.0,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"http://www.eeer.org/upload/eer-2024-404.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147332518","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

Correlation between carbonaceous materials and fine particulate matters in urban school classrooms 城市学校教室中碳质材料与细颗粒物之间的相关性

IF 3.5 4区环境科学与生态学

Environmental Engineering Research Pub Date : 2023-12-21 DOI: 10.4491/eer.2023.516

Seokwon Kang, Gusugsen Ren, Taejung Lee, Youngmin Jo

引用次数: 0

Separation of Cr and Mn by polysulfone (PSF) based ultrafiltration (UF) membranes anchored with nanoparticles - Mathematical analysis of rejection properties 用锚定了纳米颗粒的聚砜（PSF）超滤（UF）膜分离铬和锰--排斥特性的数学分析

IF 3.5 4区环境科学与生态学

Environmental Engineering Research Pub Date : 2023-12-19 DOI: 10.4491/eer.2023.543

Pallavi Mahajan-Tatpate, S. Dhume, Naveenkumar Jayakumar, Y. Chendake, Sachin Chavan, Ramdas Khomane, Vinayak Wadagaonkar

引用次数: 0

Analysis of influencing parameters and reactive substance for enrofloxacin degradation in a dielectric barrier discharge plasma/peroxydisulfate system 介质阻挡放电等离子体/过氧化二硫酸盐系统中恩诺沙星降解的影响参数和反应物质分析

IF 3.5 4区环境科学与生态学

Environmental Engineering Research Pub Date : 2023-12-16 DOI: 10.4491/eer.2023.717

Shili Song, Huijuan Wang, Yuyue Huang, Yixing Ma

引用次数: 0

Increasing the stability of LiMn2O4 electrodes under high-current-density conditions via SoC control in an electrochemical lithium recovery system 在电化学锂回收系统中通过 SoC 控制提高高电流密度条件下锰酸锂电极的稳定性

IF 3.5 4区环境科学与生态学

Environmental Engineering Research Pub Date : 2023-12-15 DOI: 10.4491/eer.2023.677

Eunhee Kim, Byunghyun Kim, Jaehan Lee

引用次数: 0

Acidophiles enable pollution forensics in soil environments 嗜酸性生物可对土壤环境中的污染进行取证

IF 3.5 4区环境科学与生态学

Environmental Engineering Research Pub Date : 2023-12-13 DOI: 10.4491/eer.2023.631

Suin Park, Minh Thi Nguyen, Junbeom Jeon, Hyokwan Bae

引用次数: 0

Integrated bioelectroremediation: Simultaneous treatment of industrial effluents and bioenergy generation 综合生物电修复：同时处理工业废水和生物发电

IF 3.5 4区环境科学与生态学

Environmental Engineering Research Pub Date : 2023-12-11 DOI: 10.4491/eer.2023.657

S. Bhadra, S. Sevda

引用次数: 0

Evaluation of energy saving and emission reduction effect of distributed energy system 分布式能源系统节能减排效果评估

IF 3.5 4区环境科学与生态学

Environmental Engineering Research Pub Date : 2023-11-07 DOI: 10.4491/eer.2023.529

Rong Ma, Yaotian Guo

{"title":"Evaluation of energy saving and emission reduction effect of distributed energy system","authors":"Rong Ma, Yaotian Guo","doi":"10.4491/eer.2023.529","DOIUrl":"https://doi.org/10.4491/eer.2023.529","url":null,"abstract":"The conventional evaluation methods of energy conservation and emission reduction lack the discussion of quantification index of energy conservation and emission reduction potential, and the evaluation effect is poor. Therefore, an evaluation method for energy conservation and emission reduction of distributed energy systems is proposed, which considers system dynamics and demand response. According to the requirements of system dynamics analysis, the relational variables in the system dynamics model are determined. The input-output relationship of energy saving, and emission reduction effect evaluation is described by system dynamics equation, and the input-output relationship of energy saving, and emission reduction effect evaluation is determined. Based on the maximum profit objective function and the minimum cost objective function of the user, the continuum equation of the medium transmission process in the distributed energy system is obtained. The evaluation indexes of energy saving, and emission reduction effect are selected from the three aspects of power consumption side, power generation side and the system itself to realize the evaluation of energy saving and emission reduction effect. The experimental results show that the evaluation curve obtained by this method is basically consistent with the actual curve, and the evaluation accuracy is high.","PeriodicalId":11704,"journal":{"name":"Environmental Engineering Research","volume":"59 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139287174","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

Acetic acid production by the two-step thermal treatment of tobacco filter 烟草过滤嘴两步热处理法生产醋酸

IF 3.5 4区环境科学与生态学

Environmental Engineering Research Pub Date : 2023-11-05 DOI: 10.4491/eer.2023.601

Byeongcheol Lee, Huijeong Kim, Woo-Bin Lee, Young-Min Kim

引用次数: 0