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Research on quinoline degradation in drinking water by a large volume strong ionization dielectric barrier discharge reaction system

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Plasma Science and Technology 2021年第8期23卷 135-149页

作者： rongjie yi Chengwu yi Daolin DU Qi ZHANG Haijun YU Liu YANG School of Environment and Safety Engineering Jiangsu UniversityZhenjiang 212013People's Republic of China

Quinoline is widely used in the production of drugs as a highly effective insecticide,and its derivatives can also be used to produce *** has a teratogenic carcinogen to wildlife and humans once entering into the aquatic *** this study,the degradation mechanism of quinoline in drinking water by a strong ionization dielectric barrier discharge(DBD)lowtemperature plasma with large volume was *** concentration of hydroxyl radical(·OH)(0.74 mmol l^(-1))and ozone(O3)(58.2 mg l^(-1))produced by strongly ionized discharge DBD system were quantitatively analyzed based on the results of electron spin resonance and O3 *** influencing reaction conditions of input voltages,initial pH value,·OH inhibitors,initial concentration and inorganic ions on the removal efficiency of quinoline were systematically *** obtained results showed that the removal efficiency and TOC removal of quinoline achieved 94.8%and 32.2%,degradation kinetic constant was 0.050 min^(-1) at 3.8 k V and in a neutral pH(7.2).The proposed pathways of quinoline were suggested based on identified intermediates as hydroxy pyridine,fumaric acid,oxalic acid,and other small molecular acids by high-performance liquid chromatography/tandem mass spectrometry ***,the toxicity analysis on the intermediates demonstrated that its acute toxicity,bioaccumulation factor and mutagenicity were *** overall findings provided theoretical and experimental basis for the application of a high capacity strong ionization DBD water treatment system in the removal of quinoline from drinking water.

关键词： dielectric barrier discharge hydroxyl radical ozone quinoline strong ionization discharge toxicity

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改进折点的双涡旋极板电除尘器数值模拟

高电压技术 2017年第8期43卷 2638-2644页

作者：依成武顾亚川依蓉婕王慧娟刘诗雯王晶江苏大学环境与安全工程学院镇江212013

为了解决电除尘器(ESP)超微细粉尘除尘效率低、设计参数不足等问题,设计了1种改良型的双涡旋极板电除尘器,收尘极板为改进折点弧度的双涡旋形式并垂直于气流方向放置,每排极板前面加了1排电极,并采用ANSYS14.0中的FLUENT流体仿真软件对... 详细信息

为了解决电除尘器(ESP)超微细粉尘除尘效率低、设计参数不足等问题,设计了1种改良型的双涡旋极板电除尘器,收尘极板为改进折点弧度的双涡旋形式并垂直于气流方向放置,每排极板前面加了1排电极,并采用ANSYS14.0中的FLUENT流体仿真软件对电除尘器除尘区域内的流场进行了数值模拟;设置了极板高度H、极板排间距d、粒径dp等影响参数。模拟结果表明:这种改良型极板的电除尘器弥补了以往设计中由于电极和极板间的距离过大而造成的部分区域电场强度较弱的漏洞;H约为14 mm、d约为110 mm时,收尘区域能形成较为良好的涡旋气流;入口平均气流速度v为3 m/s时,极板缝隙最高气流速度可达8.8 m/s,极板附近气流速度可低至0.5 m/s,压力损失约为260 Pa;颗粒停留时间能增加约3倍。该研究考虑了电场、流场等各方面的因素,使研究科学、准确;这种新电除尘器性能优势十分明显,为设计研究和工业应用提供了相应的参数和依据。

关键词：双涡旋极板电除尘器 ESP 数值模拟 UDF 电场

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甲硫醇恶臭气体治理技术的研究现状及展望

江苏大学学报（自然科学版） 2022年第6期43卷 724-731页

作者：依蓉婕姜苗依成武贾渊张琪江苏大学环境与安全工程学院江苏镇江212013 镇江市姚桥镇人民政府江苏镇江212344

针对甲硫醇(CHSH)的气味恶臭、嗅阈值低、来源广泛、对人体和环境都会产生巨大危害的问题,阐述了国内外甲硫醇常用治理技术的研究现状,重点介绍了近年来新兴热门的催化分解法、催化氧化法、光催化氧化法以及低温等离子体法等甲硫醇处理... 详细信息

针对甲硫醇(CHSH)的气味恶臭、嗅阈值低、来源广泛、对人体和环境都会产生巨大危害的问题,阐述了国内外甲硫醇常用治理技术的研究现状,重点介绍了近年来新兴热门的催化分解法、催化氧化法、光催化氧化法以及低温等离子体法等甲硫醇处理技术,并指出了其各自的适用范围和优缺点.结果表明:催化分解法、催化氧化法和光催化氧化法均具有处理效率高、适应性好和产物危害小等优点,但也存在催化剂的活性与稳定性差等问题;低温等离子体法具有高效、灵活的特点,但存在能量利用率低、易产生有毒副产物等缺点;在单一处理工艺很难满足经济性的情况下,要想高效处理甲硫醇,就应协同使用多种处理工艺,同时还需要进一步探究降解机理.

关键词：甲硫醇恶臭污染低温等离子体法催化分解法催化氧化法光催化氧化法

单区式双涡旋型极板电除尘器除尘性能实验研究

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高电压技术 2016年第8期42卷 2651-2658页

作者：依成武刘诗雯史雪欣顾亚川依蓉婕杜彦生江苏大学环境与安全工程学院镇江212013

为解决现有电除尘器（ESP）体积庞大、微细粉尘去除效率低的问题,设计了一套烟气流量为3 000 m3/h的单区式双涡旋型极板电除尘器,并通过实验研究了工作电压U、有效收尘面积A、烟气流速υ以及粉尘粒径dp等因素对单区式双涡旋型极板电除... 详细信息

为解决现有电除尘器（ESP）体积庞大、微细粉尘去除效率低的问题,设计了一套烟气流量为3 000 m3/h的单区式双涡旋型极板电除尘器,并通过实验研究了工作电压U、有效收尘面积A、烟气流速υ以及粉尘粒径dp等因素对单区式双涡旋型极板电除尘器除尘效率的影响,同时比较了该除尘器与传统结构电除尘器在性能上的差异。实验结果表明：当工作电压U为18~19 k V、有效除尘面积A为2.7 m2、烟气流速υ为2.5~3.5 m/s时,除尘效率η可以维持在99%以上;粒径在0~10μm范围内时,尘粒的捕集效率稍低,但也能够达到93.66%。研究结果表明单区式双涡旋型极板电除尘器具有明显的技术经济优势,有望解决现有电除尘器中存在的技术问题,可为该种除尘器的工业应用和推广提供理论依据。

关键词：电除尘器双涡旋型极板单区式微细粒子除尘效率分级粒径

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影响涡旋型电除尘器离子产生浓度的因素分析

工业安全与环保 2017年第4期43卷 48-51,55页

作者：陆从相依成武王晶依蓉婕崔苗江苏大学环境与安全工程学院江苏镇江212013 盐城工业职业技术学院机电工程学院江苏盐城224005

通过回归正交设计,建立涡旋型电除尘器电场中的离子浓度n_e与放电电压U、电场风速v_0和同排极板空隙距离D这3个因素之间的函数关系式。通过编程求解回归模型,获得离子浓度较高的优化结果:当U为17.8 k V,v_0为3 m/s,D为40 mm时,n_e可达6... 详细信息

通过回归正交设计,建立涡旋型电除尘器电场中的离子浓度n_e与放电电压U、电场风速v_0和同排极板空隙距离D这3个因素之间的函数关系式。通过编程求解回归模型,获得离子浓度较高的优化结果:当U为17.8 k V,v_0为3 m/s,D为40 mm时,n_e可达6.97×10~9个/cm^3以上。根据粒子成像测速法,可以得出放电极附近的风速约为v_0的2.5倍以上。通过收尘试验可知,对于粉尘粒径小于15μm的微细粉尘,涡旋型电除尘器收尘效率可达到90.2%。

关键词：涡旋型电除尘器微细粉尘离子浓度回归方程风速收尘效率

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涡旋型电除尘器收尘效率公式的研究

工业安全与环保 2017年第12期43卷 41-45页

作者：陆从相依成武崔苗依蓉婕王晶黄亚楠江苏大学环境与安全工程学院江苏镇江212013 盐城工业职业技术学院机电工程学院江苏盐城224005

根据紊流传质原理,建立荷电粒子的输运方程,并结合边界条件求解输运方程,进而得到收尘效率公式。将涡旋电除尘器分段、粉尘粒径分级,结合凝并方程,推导得到考虑粉尘凝并情况下的收尘效率值。对比粉尘的理论计算电凝并收尘效率,多依奇计... 详细信息

根据紊流传质原理,建立荷电粒子的输运方程,并结合边界条件求解输运方程,进而得到收尘效率公式。将涡旋电除尘器分段、粉尘粒径分级,结合凝并方程,推导得到考虑粉尘凝并情况下的收尘效率值。对比粉尘的理论计算电凝并收尘效率,多依奇计算收尘效率和实验收尘效率值可知,电凝并收尘效率略大于实验收尘效率,两者最大差值为3.7%;而多依奇计算收尘效率与实验收尘效率相差较大,两者最大差值为17.2%,可见,电凝并收尘效率公式的计算结果更接近实际。

关键词：涡旋电除尘器粉尘输运方程收尘效率

稀土气态配合物PrAl_3Cl_(12)的热力学研究

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中国稀土学报 1997年第4期15卷 304-308页

作者：王林山高荣杰苏轶王之昌东北大学化学系

用骤冷法对氯化镨与氯化铝形成气态配合物的反应（ＰｒＣｌ３（ｓ）＋（ｘ／２）Ａｌ２Ｃｌ６（ｇ）＝ＰｒＡｌｘＣｌ３ｘ＋３），进行了研究。实验显示，在６０４～８２７Ｋ、００５～０１５ＭＰａ条件下，ＰｒＡｌ３Ｃｌ１２配合... 详细信息

用骤冷法对氯化镨与氯化铝形成气态配合物的反应（ＰｒＣｌ３（ｓ）＋（ｘ／２）Ａｌ２Ｃｌ６（ｇ）＝ＰｒＡｌｘＣｌ３ｘ＋３），进行了研究。实验显示，在６０４～８２７Ｋ、００５～０１５ＭＰａ条件下，ＰｒＡｌ３Ｃｌ１２配合物是唯一产物。测定了配合物的稳定常数，计算了反应的焓变和熵变，并讨论了其误差。结果为，ΔＨ０２９８＝３８２±２ｋＪ·ｍｏｌ－１，ΔＳ０２９８＝１２±３Ｊ·ｍｏｌ－１·Ｋ－１，与其它稀土气态配合物的数据相吻合。

关键词：稀土氯化镨氯化铝镨气态配合物热力学性质

Identifying the dynamic behaviors in complete reconstruction of Co-based complex precatalysts during electrocatalytic oxygen evolution

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Journal of Energy Chemistry 2025年第1期100卷 226-233页

作者： Jingfang Zhang Danyang Wu Linke Cai Youluan Lu Fanpeng Cheng Lijuan Shi Qun yi Yao Liu yi Huang Key Laboratory of Green Chemical Engineering Process of Ministry of Education Engineering Research Center of Phosphorus Resources Development and Utilization of Ministry of Education Hubei Key Laboratory of Novel Reactor and Green Chemical Technology School of Chemical Engineering & Pharmacy Wuhan Institute of Technology Key Laboratory of Pesticide & Chemical Biology of Ministry of Education Engineering Research Center of Photoenergy Utilization for Pollution Control and Carbon Reduction of Ministry of Education College of Chemistry Central China Normal University College of Materials Science and Engineering Fuzhou University

Transition metal-based nanomaterials have emerged as promising electrocatalysts for oxygen evolution reaction（OER）. Considerable research efforts have shown that self-reconstruction occurs on these nanomaterials under operating conditions of OER process. However, most of them undergo incomplete reconstruction with limited thickness of reconstruction layer, leading to low component utilization and arduous exploration of real catalytic mechanism. Herein, we identify the dynamic behaviors in complete reconstruction of Co-based complexes during OER. The hollow phytic acid（PA） cross-linked CoFe-based complex nanoboxes with porous nanowalls are designed because of their good electrolyte penetration and mass transport ability, in favor of the fast and complete reconstruction. A series of experiment characterizations demonstrate that the reconstruction process includes the fast substitution of PA by OH-to form Co（Fe）(OH)xand subsequent potential-driven oxidation to Co（Fe）OOH. The obtained CoFeOOH delivers a low overpotential of 290 mV at a current density of 10 mA cm-2and a long-term *** experiment results together with theory calculations reveal that the Fe incorporation can result in the electron rearrangement of reconstructed CoFeOOH and optimization of their electronic structure,accounting for the enhanced OER activity. The work provides new insights into complete reconstruction of metal-based complexes during OER and offers guidelines for rational design of high-performance electrocatalysts.

关键词： Complete reconstruction Co-based complex Precatalysts Oxygen evolution reaction

Electrocatalytic cleavage of a lignin β-O-4 model compound and coupling with nitrogen-containing aromatics using Prussian blue analogue-derived nickel–cobalt spinel

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Journal of Energy Chemistry 2025年第1期100卷 628-636页

作者： yi Qi Xueying Chen Bowen Liu Xuliang Lin Xueqing Qiu Yanlin Qin Guangdong Provincial Key Laboratory of Plant Resources Biorefinery School of Chemical Engineering and Light Industry Guangdong University of Technology Guangdong Provincial Laboratory of Chemistry and Fine Chemical Engineering Jieyang Center Guangdong Basic Research Center of Excellence for Ecological Security and Green Development Guangdong University of Technology

Electrochemical conversion of lignin for the production of high-value heterocyclic aromatic compounds has great *** demonstrate the targeted synthesis and cation modulation of NiCo2O4spinel nanoboxes,synthesized via cation exchange and calcination *** catalysts exhibit excellent efficacy in the electrocatalytic conversion of lignin model compounds,specifically 2-phenoxy-1-phenylethanol,into nitrogen-containing aromatics,achieving high conversion rates and *** catalysts were synthesized via a cation exchange and calcination oxidation process,using Prussian blue nanocubes as *** porous architecture and polymetallic composition of the NiCo2O4spinel demonstrated superior performance in electrocatalytic oxidative coupling,achieving a 99.2 wt%conversion rate of the 2-phenoxy-1-phenylethanol with selectivities of 37.5 wt%for quinoline derivatives and 31.5 wt%for *** innovations include the development of a sustainable one-pot synthesis method for quinoline derivatives,the elucidation of a multistage reaction pathway involving CAO bond cleavage,hydroxyaldol condensation,and CAN bond formation,and a deeper mechanistic understanding derived from DFT *** work establishes a new strategy for lignin valorization,offering a sustainable route to produce high-value nitrogen-containing aromatics from renewable biomass under mild conditions,without the need for additional reagents.

关键词： Spinel Biomass valorization Electrocatalysis Lignin oxidation Coupling