ACS ES&T engineering最新文献_第4页

Fast Perfluorooctanoic Acid (PFOA) Removal with Honeycomb-like Nitrogen-Doped Carbon Nanosheets: Mechanisms for the Selective Adsorption of PFOA over Competing Contaminants/Water Matrix 利用蜂窝状掺氮碳纳米片快速去除全氟辛酸（PFOA）：竞争污染物/水基质选择性吸附全氟辛酸的机理

IF 7.1

ACS ES&T engineering Pub Date : 2024-09-09 DOI: 10.1021/acsestengg.4c00418

Lingyu Chen, Kuanchang He, Wei Li, Dongmei Ma, Xiaodong Xin, Gang Wang, Qian Liu, Lihui Yang, Faliang Cheng, Sihao Lv, Defeng Xing

{"title":"Fast Perfluorooctanoic Acid (PFOA) Removal with Honeycomb-like Nitrogen-Doped Carbon Nanosheets: Mechanisms for the Selective Adsorption of PFOA over Competing Contaminants/Water Matrix","authors":"Lingyu Chen, Kuanchang He, Wei Li, Dongmei Ma, Xiaodong Xin, Gang Wang, Qian Liu, Lihui Yang, Faliang Cheng, Sihao Lv, Defeng Xing","doi":"10.1021/acsestengg.4c00418","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00418","url":null,"abstract":"Carbon-based adsorbents have been recently identified as advanced materials for the efficient removal of perfluorooctanoic acid (PFOA); however, the fundamental understanding of the selective adsorption of PFOA over competing contaminants/water matrix is still lacking. Herein, a novel honeycomb-like nitrogen-doped carbon nanosheet (HL-NC@Ni-800) material was reported for the rapid adsorption of PFOA. The PFOA selective adsorption was attributed to (i) favorable steric hindrance that allowed rapid and stable PFOA adsorption, (ii) abundant adsorption sites provided by the honeycomb-like mesoporous structure, (iii) electrostatic attraction between the PFOA anion and nickel cation, (iv) hydrophobic effect between the PFOA tail and nitrogen functional groups, and (v) Lewis acid–base effect. Consequently, PFOA was efficiently removed from the competing contaminants such as 1,4-dioxane and sulfamethoxazole by 94.6 and 89.6%, respectively, as well as the water matrix such as inorganic anions by ∼84–94% and real high-salinity seawater by 75.6–78.4%. The calculated maximum adsorption capacities (qm) of HL-NC@Ni-800 for PFOA soared to 184.89 mg·g–1. In addition, the thermodynamically favorable adsorption of PFOA with different steric conformations on HL-NC@Ni-800 provided theoretical explanations for its high-efficiency adsorption performance toward PFOA. This study provides a novel strategy for the synthesis method of efficient adsorbents for PFOA and also elucidates the mechanistic understandings of PFOA selective adsorption over competing contaminants/water matrix, for guiding the design of more efficient adsorbents to treat PFOA-contaminated water.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":null,"pages":null},"PeriodicalIF":7.1,"publicationDate":"2024-09-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142204235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Flower-like Polymorphic MnOx Constructed by In Situ L–T Transition with Superior Performance in the Catalytic Ozonation of Dimethyl Sulfide under Humid Conditions 通过原位 L-T 转变构建的花状多晶氧化锰在潮湿条件下催化臭氧氧化二甲基硫醚时性能卓越

IF 7.1

ACS ES&T engineering Pub Date : 2024-09-05 DOI: 10.1021/acsestengg.4c00404

Feiyang He, Wenji Feng, Xinru Chen, Yunshuo Wu, Haiqiang Wang, Zhongbiao Wu

{"title":"Flower-like Polymorphic MnOx Constructed by In Situ L–T Transition with Superior Performance in the Catalytic Ozonation of Dimethyl Sulfide under Humid Conditions","authors":"Feiyang He, Wenji Feng, Xinru Chen, Yunshuo Wu, Haiqiang Wang, Zhongbiao Wu","doi":"10.1021/acsestengg.4c00404","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00404","url":null,"abstract":"To improve the water resistance of manganese oxide (MnOx) in the catalytic ozonation of dimethyl sulfide (DMS) under humid conditions, polymorphic MnOx was synthesized based on δ-MnO2 with reference to the in situ layer-to-tunnel (L–T) transition of minerals in a natural environment. The constructed polymorphic MnOx(Mn–SH) possessed abundant α–δ (α(Mn)-O-δ(Mn)) interfaces and exhibited superior catalytic activity for the conversion of DMS, ensuring more than 91% of DMS removal under harsh conditions [relative humidity (RH) = 80%] and excellent stability after testing for 20 h (RH = 60–80%). In situ DRIFTS spectra and theoretical calculations demonstrated that α–δ interfaces facilitated the formation of active hydroxyl groups (−OH) through H2O dissociation, which can participate in ozone (O3) activation and avoid the deactivation caused by H2O. Simultaneously, more Brønsted acid sites formed through H2O dissociation, which promoted DMS adsorption and decomposition. This study gives an understanding of the role of α–δ interfaces in promoting activity for catalytic ozonation and provides a convenient strategy to construct polymorphic MnOx with enhanced water resistance, which can be applied to existing MnOx used for catalytic ozonation of sulfur-containing compounds from livestock farms and the petroleum industries.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":null,"pages":null},"PeriodicalIF":7.1,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142204229","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

New Insights into the Persistent Shock Resistance of Anaerobic Granular Sludge Based on Quorum Sensing Regulation: A Novel Gene Regulatory Mechanism 基于定量感应调控的厌氧颗粒污泥持久抗冲击性的新见解：一种新型基因调控机制

IF 7.1

ACS ES&T engineering Pub Date : 2024-09-03 DOI: 10.1021/acsestengg.4c00334

Longyi Lv, Ziyin Wei, Chendi Feng, Jiarui Chen, Weiguang Li, Jiyong Bian, Zhijun Ren, Guangming Zhang

{"title":"New Insights into the Persistent Shock Resistance of Anaerobic Granular Sludge Based on Quorum Sensing Regulation: A Novel Gene Regulatory Mechanism","authors":"Longyi Lv, Ziyin Wei, Chendi Feng, Jiarui Chen, Weiguang Li, Jiyong Bian, Zhijun Ren, Guangming Zhang","doi":"10.1021/acsestengg.4c00334","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00334","url":null,"abstract":"Anaerobic granular sludge (AnGS) is valuable for the treatment of high concentration organic wastewater but is hampered from further development by poor stability. Quorum sensing (QS) has been shown as an effective strategy to enhance the stability of AnGS, whereas the long-term resistance and underlying mechanisms remain uncertain. This work investigates the reinforcing effect of the QS on AnGS and the internal regulation mechanisms. The chemical oxygen demand (COD) removal was maintained at preshock level (90–93%) after multiple temperature shocks in the N-acyl-homoserine lactones (AHLs)-induced system. AHLs-mediated QS led to an increase in gene abundance of the four hydrophobic amino acids with protein (PN) increasing by 33.1%, which optimized the construction of the protective barrier of extracellular polymeric substances (EPS). AHLs also reshaped the functional microbial community and enhanced metabolic activities, promoting both the hydrogenotrophic and methanotrophic methanogenic pathways. In addition, the abundance of Geobacter and Methanothrix was increased by 4.4% and 2.3% under the stimulation of exogenous AHLs, which enhanced the direct interspecies electron transfer (DIET) pathway. This study provides a strategy for enhancing the stability of AnGS in the face of environmental shocks and gives a comprehensive theoretical foundation for exogenous AHLs-mediated QS regulation of anaerobic biological treatment.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":null,"pages":null},"PeriodicalIF":7.1,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142204230","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Oxygen Vacancies-Mediated Z-Scheme Mechanism Promotes Synergistic Photoelectrocatalysis for Hydroxyl Radical and Singlet Oxygen-Cooperating on Selective Pollutant Degradation 氧空位介导的 Z-梯级机制促进羟基自由基和单线态氧的协同光电催化--合作选择性降解污染物

IF 7.1

ACS ES&T engineering Pub Date : 2024-09-03 DOI: 10.1021/acsestengg.4c00453

Duoduo Fang, Di Luo, Han Xiao, Jiaxing Li, Lin Ma, Jiangzhi Zi, Zichao Lian

{"title":"Oxygen Vacancies-Mediated Z-Scheme Mechanism Promotes Synergistic Photoelectrocatalysis for Hydroxyl Radical and Singlet Oxygen-Cooperating on Selective Pollutant Degradation","authors":"Duoduo Fang, Di Luo, Han Xiao, Jiaxing Li, Lin Ma, Jiangzhi Zi, Zichao Lian","doi":"10.1021/acsestengg.4c00453","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00453","url":null,"abstract":"Achieving high effective degradation of organic pollutants in sewage having adverse effects on human health and ecosystems remains a major challenge. In this study, an oxygen vacancy (Ov)-mediated Z-scheme Co3O4/Ov-TiO2 heterojunction was first reported for simultaneous selective photoelectrocatalytic pollutant degradation and hydrogen production under visible light irradiation. The optimized Co3O4/Ov-TiO2 exhibited excellent photoelectrocatalytic performance in the degradation of the organic pollutants under visible light irradiation due to the formation of a Z-scheme heterojunction for the utilization of highly reductive photogenerated electrons and oxidative holes. The mechanistic investigation suggested that the synergistic effects of hydroxyl radical and singlet oxygen as the dominant reactive species facilitated the ring-open reactions of the rhodamine B for the mineralization processes. This work provides a deep understanding of designing Z-scheme heterojunction photoelectrocatalysts through defect engineering technologies for sewage treatment.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":null,"pages":null},"PeriodicalIF":7.1,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142204231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Enhanced Selectivity in PMS Activation via Non-Metal Doping for Efficient 1O2 Generation in Emerging Organic Pollutants Degradation 通过非金属掺杂提高 PMS 活化的选择性，从而在新兴有机污染物降解过程中高效生成 1O2

IF 7.1

ACS ES&T engineering Pub Date : 2024-08-30 DOI: 10.1021/acsestengg.4c00400

Yi Shen, Mingzheng Yang, Chao Zhu, Haizhong Zhang, Renlan Liu, Jun Wang, Qile Fang, Shuang Song, Baoliang Chen

{"title":"Enhanced Selectivity in PMS Activation via Non-Metal Doping for Efficient 1O2 Generation in Emerging Organic Pollutants Degradation","authors":"Yi Shen, Mingzheng Yang, Chao Zhu, Haizhong Zhang, Renlan Liu, Jun Wang, Qile Fang, Shuang Song, Baoliang Chen","doi":"10.1021/acsestengg.4c00400","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00400","url":null,"abstract":"The activation of peroxymonosulfate (PMS) to generate singlet oxygen (1O2) for the removal of emerging organic pollutants (EOPs) from complex aqueous environments has garnered widespread attention. However, the low efficiency and selectivity of current PMS activation for 1O2 generation result in suboptimal EOP degradation. To enhance the selectivity of PMS activation and promote the non-radical pathway, non-metal heteroatoms with varying electronegativities were introduced to disrupt the symmetrical coordination structure of Fe active sites in Fe single-atom catalysts. The results showed that, in the B-Fe1/GLCNs/PMS system, the pseudo-first-order kinetic rate for bisphenol A (BPA) degradation reached 4.435 min–1, which is 7.4 times higher than that of the unmodified control group. Experimental and theoretical calculations demonstrated that the doping of non-metal heteroatoms altered the electron density and distribution at the Fe active sites, thereby modulating the adsorption configuration of HSO5– and increasing the selectivity for PMS activation to generate 1O2. Additionally, the degradation of EOPs by 1O2 produced intermediate products with lower biological toxicity, and 1O2 demonstrated strong anti-interference capability. The change in HSO5– morphology improved the rate of 1O2 generation. This study provides deep insights into designing high-performance PMS activation catalysts via non-metal doping to regulate the electronic structure of active sites for a selective non-radical pathway.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":null,"pages":null},"PeriodicalIF":7.1,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142204233","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Visualization Isolation of Electrochemically Active Bacteria by Using a Gelled Electrode-Based Electrochemical Plate 使用胶状电极电化学板可视化分离电化学活性细菌

IF 7.4

ACS ES&T engineering Pub Date : 2024-08-30 DOI: 10.1021/acsestengg.4c0030810.1021/acsestengg.4c00308

Bo Cao, Yuxuan Zang, Beizhen Xie, Ting Zhao, Hongyu Zhao, Yanhong Ge, Hong Liu* and Yue Yi*,

{"title":"Visualization Isolation of Electrochemically Active Bacteria by Using a Gelled Electrode-Based Electrochemical Plate","authors":"Bo Cao, Yuxuan Zang, Beizhen Xie, Ting Zhao, Hongyu Zhao, Yanhong Ge, Hong Liu* and Yue Yi*, ","doi":"10.1021/acsestengg.4c0030810.1021/acsestengg.4c00308","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00308https://doi.org/10.1021/acsestengg.4c00308","url":null,"abstract":"Electrochemically active bacteria (EAB) are catalysts of microbial electrogenesis and electrosynthesis, showing great prospects in wastewater treatment and biochemical engineering. However, isolating EAB is difficult, and only a few pure-cultured EAB have been reported. In this study, a novel gelled electrode based on an electrochemical plate is established, which for the first time realizes the selective screening of EAB strains and visible colony formation. A new EAB, Rhodococcus qingshengii C6, is isolated by using the method. R. qingshengii C6 is capable of electricity generation with a wide range of substrate spectra and is capable of reducing common electron acceptors by consuming electricity. The bidirectional extracellular electron transfer mechanism is preliminarily investigated, and exogenous redox mediators play an important role in extracellular electron transfer. This study provides an easy and simple method for the isolation and purification of EAB, contributing to the valuable bacterial resources exploration.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":null,"pages":null},"PeriodicalIF":7.4,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142436791","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Visualization Isolation of Electrochemically Active Bacteria by Using a Gelled Electrode-Based Electrochemical Plate 使用胶状电极电化学板可视化分离电化学活性细菌

IF 7.1

ACS ES&T engineering Pub Date : 2024-08-30 DOI: 10.1021/acsestengg.4c00308

Bo Cao, Yuxuan Zang, Beizhen Xie, Ting Zhao, Hongyu Zhao, Yanhong Ge, Hong Liu, Yue Yi

引用次数: 0

Catalytic Methane Mitigation Over Mesoporosity-Engineered Hierarchically Porous Pd/SSZ-13 Zeolites 在中硼酸盐工程层状多孔钯/SSZ-13 沸石上催化甲烷减排

IF 7.1

ACS ES&T engineering Pub Date : 2024-08-30 DOI: 10.1021/acsestengg.4c00347

Gaozhou Liang, Anqi Guo, Wuwan Xiong, Dongdong Chen, Ulrich Simon, Daiqi Ye, Haibao Huang, Peirong Chen

{"title":"Catalytic Methane Mitigation Over Mesoporosity-Engineered Hierarchically Porous Pd/SSZ-13 Zeolites","authors":"Gaozhou Liang, Anqi Guo, Wuwan Xiong, Dongdong Chen, Ulrich Simon, Daiqi Ye, Haibao Huang, Peirong Chen","doi":"10.1021/acsestengg.4c00347","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00347","url":null,"abstract":"Palladium-zeolites are active catalysts for abating methane (CH4), the second largest greenhouse gas contributing to climate change, via catalytic combustion. Yet, it remains challenging to improve the activity of Pd-zeolites in CH4 combustion, in particular under humid conditions. Here, using small-pore SSZ-13 zeolite as a showcase, we demonstrate mesoporosity engineering as an effective approach to boost the CH4 combustion performance of Pd-zeolites. A newly designed gemini quaternary ammonium surfactant, namely C18–4N2MP, was fabricated using inexpensive reagents and employed as a mesoporogen in the hydrothermal synthesis of hierarchically micro–meso–macro–porous SSZ-13 product. High-dispersion Pd catalysts were achieved by using the hierarchically porous SSZ-13 zeolites as supports. Physicochemical characterization and reaction kinetics disclosed that rational mesoporosity engineering of the hierarchically porous SSZ-13, simply by optimizing C18–4N2MP addition in the precursor gel prior to hydrothermal crystallization, favored the formation of highly dispersed PdOx active phase and, in turn, the CH4 combustion without noticeable accumulation of carbonaceous intermediates on the surface. Additionally, mesoporosity-optimized Pd/SSZ-13 displayed improved durability and outstanding moisture resistance during CH4 combustion. This study sheds new light on the fabrication of high-performance Pd-zeolite catalysts for CH4 emission abatement by facile engineering of zeolite mesoporosity.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":null,"pages":null},"PeriodicalIF":7.1,"publicationDate":"2024-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142226150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Confined Manganese-Based Catalysts for Gaseous Pollutant Removal: A Critical Review 用于去除气态污染物的密闭锰基催化剂：评论

IF 7.1

ACS ES&T engineering Pub Date : 2024-08-28 DOI: 10.1021/acsestengg.4c00355

Jialin Li, Zhijian Xiao, Jingling Yang, Mingshan Zhu

引用次数: 0

Confined Manganese-Based Catalysts for Gaseous Pollutant Removal: A Critical Review 用于去除气态污染物的密闭锰基催化剂：评论

IF 7.4

ACS ES&T engineering Pub Date : 2024-08-28 DOI: 10.1021/acsestengg.4c0035510.1021/acsestengg.4c00355

Jialin Li, Zhijian Xiao, Jingling Yang* and Mingshan Zhu*,

{"title":"Confined Manganese-Based Catalysts for Gaseous Pollutant Removal: A Critical Review","authors":"Jialin Li, Zhijian Xiao, Jingling Yang* and Mingshan Zhu*, ","doi":"10.1021/acsestengg.4c0035510.1021/acsestengg.4c00355","DOIUrl":"https://doi.org/10.1021/acsestengg.4c00355https://doi.org/10.1021/acsestengg.4c00355","url":null,"abstract":"Manganese-based materials are widely applied as catalysts for catalytic removal of gaseous pollutants due to their low cost and excellent redox performance. However, existing challenges such as unsatisfactory activity and stability hinder the application of manganese-based catalysts. Confining manganese-based materials into specific regions has the potential to influence intermolecular arrangement and mass diffusion and lower the activation energy barrier, thereby enhancing reaction stability and the catalyst’s activity. In this critical review, we briefly summarize the common reported nanoconfined manganese-based analogues for gaseous pollutant elimination including nitrogen oxides (NOx) and volatile organic compounds (VOCs). Details of the commonly reported hosts for confined catalysts and their impact on catalytic behavior and an in-depth discussion of the related mechanism are included. Through this critical review, we aim to raise the research attention on using confined catalysis as a fundamental guide or even tool to improve the catalytic performance of gaseous pollutant elimination.","PeriodicalId":7008,"journal":{"name":"ACS ES&T engineering","volume":null,"pages":null},"PeriodicalIF":7.4,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142228402","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0