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Efficient activation of peroxymonosulfate for catalytic degradation of organic pollutants by simultaneously using low-level cobalt ions and calcium carbonate micro-particles

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Journal of Environmental Sciences 2025年第5期151卷 113-124页

作者： Yu Zhou xiaobo wang Nan wang Shuangshuang Huang Lihua Zhu College of Chemistry and Chemical Engineering Huazhong University of Science and TechnologyWuhan 430074China College of Chemistry and Chemical Engineering Hubei Polytechnic UniversityHuangshi 435003China College of Chemistry and Environmental Engineering Wuhan Polytechnic UniversityWuhan 430023China School of Physics and Technology Center for Electron MicroscopyWuhan UniversityWuhan 430072China

An efficient catalytic system was developed to remove various organic pollutants by simultaneously using low-level cobalt ions,calcium carbonate micro-particles and peroxymonosulfate(PMS).A simple base-induced precipitation was used to successfully loaded Co-centered reactive sites onto the surface of CaCO_(3)*** optimal conditions at 25°C,10 mg/L methylene blue(MB)could be completely degraded within 10 min with 480μg/L Co^(2+),0.4 g/L CaCO_(3)microparticles(or 0.4 g/L Co@CaCO_(3))and 0.1 g/L *** MB degradation followed the pseudo first order kinetics with a rate constant of 0.583 min^(−1),being 8.3,11.5 and 53.0 times that by using Co-OH(0.07 min^(−1)),Co^(2+)(0.044 min^(−1))and CaCO_(3)(0.011 min^(−1))as the catalyst,*** was confirmed that there was a synergistic effect in the catalytic activity between Co species and the CaCO_(3)particles but the major contributor was the highly dispersed Co *** Co^(2+)-containing simulated electroplating wastewater was used as the Co^(2+)source,not only the added MB was also completely degraded within 5 min in this catalytic system,but also the coexisting heavy metal ions were substantially *** presently developed method was applied to simultaneously treat organic wastewater and heavy metals *** present method was also successfully used to efficiently degrade other organic pollutants including bisphenol A,sulfamethoxazole,rhodamine B,tetrabromobisphenol A,ofloxacin and benzoic acid.A catalytic mechanism was proposed for the PMS activation by Co@CaCO_(3).The surface of CaCO_(3)particles favors the adsorption of Co^(2+).More importantly,the surface of CaCO_(3)particles provides plentiful surface-OH and-CO_(3)^(2+),and these surface groups complex with Co^(2+)to producemore catalytically active species such as surface[CoOH]^(−),resulting in rapid Co^(2+)/Co^(3+)cycling and electron *** interactions cause the observed synergistic effect between Co species and Ca

关键词： CaCO3 Low-level cobalt Peroxymonosulfate Oxidative degradation

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Formation mechanism of deep natural hydrogen in the Sichuan Basin

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Science China Earth Sciences 2025年第2期68卷 581-597页

作者： Xiaomei wang Kun HE Chunlong YANG Hao XIE xiaobo wang Yitong LYU Linfeng XIE Shuichang ZHANG Research Institute of Petroleum Exploration&Development PetroChinaBeijing 100083China Key Laboratory of Petroleum Geochemistry China National Petroleum CorporationBeijing 100083China International Center for Isotope Effects Research School of Earth Science and EngineeringNanjing UniversityNanjing 210023China

As a potential renewable and clean energy source,the distribution and exploration prospects of natural hydrogen have garnered widespread ***,the limitations in understanding the formation mechanisms and accumulation patterns of underground natural hydrogen have significantly constrained its efficient exploration and *** study reports H_(2)content and isotopes in natural gas from deep formations in sedimentary basins through geochemical analysis of 58 conventional gas samples from the Sinian to Triassic strata in the central Sichuan *** discovered that H_(2)content in deep natural gas in central Sichuan generally exceeds 0.1%,with a maximum of 1.6%,and hydrogen isotopes(δ^(2)H_(H_(2)))range from-850‰to-586‰.Analysis of the geological conditions,hydrogen generation mechanisms,and isotope fractionation characteristics in the study area confirms that microbial fermentation or in-situ organic matter cracking are not effective pathways for deep H_(2)*** with helium content and isotope analysis of the natural gas,it is inferred that the volcanic basement in the central Sichuan area is the potential source rock for natural H_(2)in the Sinian to Triassic ***,H_(2)originates from the radiolysis of water and hydrothermal reactions of Fe(Ⅱ)in the basement ***,a diffusion fractionation model reveals significant isotope fractionation during the migration and accumulation of deep H_(2)into sedimentary reservoirs,which lead to anomalously light δ^(2)H_(H_(2))in deep natural gas in central *** indicates that the underground natural hydrogen accumulation is in a long-term dynamic process,with simultaneous H_(2)accumulation and dissipation in the gas *** research not only elucidates the formation mechanism of deep H_(2)but also provides insights for the resource potential of natural hydrogen in sedimentary basins.

关键词： Natural H2 Sichuan Basin Hydrogen generation mechanism Isotope fractionation

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火焰喷雾热解制单原子催化剂研究进展

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燃料化学学报(中英文) 2025年第1期53卷 15-23页

作者：王琳茹赵宁王晓波黄鑫太原理工大学安全与应急管理工程学院山西太原030024 中国科学院山西煤炭化学研究所山西太原030001 山西大学化学化工学院山西太原030006

随着全球能源和环境问题的日益严重,单原子催化剂兼具100%原子利用率和独特的电子结构,受到研究机构的广泛关注。单原子催化剂商业化应用的关键在于其规模化制备及在重要工业反应的应用。近年来,火焰喷雾热解法是一种简单、高效、可规... 详细信息

随着全球能源和环境问题的日益严重,单原子催化剂兼具100%原子利用率和独特的电子结构,受到研究机构的广泛关注。单原子催化剂商业化应用的关键在于其规模化制备及在重要工业反应的应用。近年来,火焰喷雾热解法是一种简单、高效、可规模化制备单原子催化剂的合成策略。本综述对单原子催化剂规模化制备方法和火焰喷雾热解制单原子催化剂的研究进展进行综合评述。总结了火焰喷雾热解制Mo、Pt、Pd、La、Zr基单原子催化剂在甲烷无氧转化、CO氧化、CO_(2)加氢制甲醇和光催化反应的研究进展。相比于传统的湿式制备方法,火焰喷雾热解法所制单原子催化剂具有良好的高温结构稳定性、抗积炭性、各组分的物相及其空间分布可控等优势。对火焰喷雾热解制单原子催化剂的发展方向进行了展望。

关键词：火焰喷雾热解单原子催化规模化制备催化稳定性

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掺氨条件下生物质单颗粒着火特性研究

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工程热物理学报 2025年第1期46卷 319-325页

作者：陈晨霖王智化王晓波何勇翁武斌浙江大学能源清洁利用国家重点实验室杭州310027

基于CH*自发光信号图像,系统研究了常规及掺氨条件下生物质单颗粒燃烧过程的着火特性,分析生物质种类、氨气掺混、背景烟气氧浓度、生物质单颗粒粒径等因素对生物质燃料着火延迟时间等燃烧特性参数的影响。结果表明:掺氨工况下生物质单... 详细信息

基于CH*自发光信号图像,系统研究了常规及掺氨条件下生物质单颗粒燃烧过程的着火特性,分析生物质种类、氨气掺混、背景烟气氧浓度、生物质单颗粒粒径等因素对生物质燃料着火延迟时间等燃烧特性参数的影响。结果表明:掺氨工况下生物质单颗粒的脱挥发分过程和燃烧反应速率显著加快,玉米秸秆及小麦秸秆单颗粒的着火延迟时间缩短、燃烧强度提高;生物质单颗粒粒径的减小和背景烟气氧浓度的增加均会使得生物质燃料着火过程提前。

关键词：氨气掺混燃烧生物质能着火延迟时间碳中和

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A telomere-to-telomere genome assembly of the cultivated peanut

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Molecular Plant 2025年第1期18卷 5-8页

作者： xiaobo wang Ziqi Sun Feiyan Qi Zhiyuan Zhou Pei Du Lei Shi Wenzhao Dong Bingyan Huang Suoyi Han Stefano Pavan Meng Zhang Mengjie Cui Jing Xu Hua Liu Li Qin Zhongxin Zhang Xiaodong Dai Wei Gao Lijuan Miao Ruifang Zhao Juan wang Mengmeng wang Chenyang Zhi Yaojun Hu Huanhuan Zhao Linjie Chen Xiaodong Jin Yanhui Sun Zheng Zheng Xinyou Zhang The Shennong Laboratory Zhengzhou 450002China Institute of Crop Molecular Breeding Henan Academy of Agricultural SciencesZhengzhou 450002China Henan Provincial Key Laboratory for Genetic Improvement of Oil Crops Zhengzhou 450002China National Innovation Centre for Bio-breeding Industry Xinxiang 453000China Department of Soil Plant and Food SciencesUniversity of Bari Aldo MoroBari 70126Italy

Dear Editor,Cultivated peanut(peanut in short)(Arachis hypogaea,2n=4x=40,genome type AABB)is a legume crop serving globally as a crucial source of edible oil and *** peanut reference genome sequences obtained for the cultivars"Tifrunner,""Shitouqi,"and"Fuhuasheng"were assembled or patched using third-generation sequencing technologies and significantly contributed to advancements in peanut genetics and breeding(Bertioli et al.,2019;Chen et al.,2019;Zhuang et al.,2019).However,unresolved gaps persist in these assemblies,particularly in regions of biological importance such as centromeres and telomeres(Supplemental Figure 1),hindering comprehensive exploration of their functional and evolutionary significance.

关键词： breeding cultivar Figure

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地铁供电系统开关编号优化分析

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城市轨道交通研究 2025年第1期28卷 262-266页

作者：王晓博常航西安市轨道交通集团有限公司西安710016

[目的]随着地铁线网的不断完善,各级供电系统开关的名称已无法准确辨别其所属系统,同时编号也出现了重复或不够用的情况,因此需对地铁供电系统开关编号进行优化。[方法]以西安地铁为例,对其供电系统开关编号方案现状进行了评估。通过与... 详细信息

[目的]随着地铁线网的不断完善,各级供电系统开关的名称已无法准确辨别其所属系统,同时编号也出现了重复或不够用的情况,因此需对地铁供电系统开关编号进行优化。[方法]以西安地铁为例,对其供电系统开关编号方案现状进行了评估。通过与国内其他城市地铁、电气化铁路及国家电网供电系统对比,分析存在问题并提出具体解决方案。从供电系统开关编号特征入手,立足开关编号的唯一性和相关性,结合地铁线路的规划,优化供电系统开关编号,提出新型编号方式并对其进行可行性分析。[结果及结论]地铁供电系统开关编号优化方案,基本上解决了编号重复、零乱,以及条理性和规律性较差等问题,同时解决了馈线分类、母线分类、电压等级辨识等问题,保证了设备名称及其编号在各网区内的唯一性。

关键词：地铁供电系统开关编号

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Fe_2O_3 particles as superior catalysts for low temperature selective catalytic reduction of NO with NH_3

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Journal of Environmental Sciences 2013年第12期25卷 2469-2475页

作者： xiaobo wang Keting Gui Key Laboratory of Energy Thermal Conversion and Control of Ministry of Education School of Energy and EnvironmentSoutheast University

Fe203 particle catalysts were experimentally studied in the low temperature selective catalytic reduction （SCR） of NO with NH3. The effects of reaction temperature, oxygen concentration, [NH3]/[NO] molar ratio and residence time on SCR activity were studied. It was found that Fe203 catalysts had high activity for the SCR of NO with NH3 in a broad temperature range of 150-270℃, and more than 95% NO conversion was obtained at 180℃ when the molar ratio [NH3]/[NO] = 1, the residence time was 0.48 seconds and 02 volume fraction was 3%. In addition, the effect of SO2 on SCR catalytic activity was also investigated at the temperature of 180℃. The results showed that deactivation of the Fe2O3 particles occurred due to the presence of SO2 and the NO conversion decreased from 99.2% to 58% in 240 min, since SO2 gradually decreased the catalytic activity of the catalysts. In addition, X-ray diffraction, Thermogravimetric analysis and Fourier transform infrared spectroscopy were used to characterize the fresh and deactivated Fe2O3 catalysts. The results showed that the deactivation caused by SO2 was due to the formation of metal sulfates and ammonium sulfates on the catalyst surface during the de-NO reaction, which could cause pore plugging and result in suppression of the catalytic activity.

关键词： low-temperature SCR Fe203 NO FT-IR SO2

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Improving Prediction Accuracy of a Rate-Based Model of an MEA-BasedCarbon Capture Process for Large-Scale Commercial Deployment

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Engineering 2017年第2期3卷 232-243页

作者： xiaobo Luo Meihong wang Department of Chemical and Biological Engineering The University of Sheffield. Sheffield Sl 3JD UK

Carbon capture and storage （CCS） technology will play a critical role in reducing anthropogenic carbondioxide （CO2） emission from fossil-fired power plants and other energy-intensive processes. However, theincrement of energy cost caused by equipping a carbon capture process is the main barrier to its commer-cial deployment. To reduce the capital and operating costs of carbon capture, great efforts have been madeto achieve optimal design and operation through process modeling, simulation, and optimization. Accuratemodels form an essential foundation for this purpose. This paper presents a study on developing a moreaccurate rate-based model in Aspen Plus for the monoethanolamine （MEA）-based carbon capture processby multistage model validations. The modeling framework for this process was established first. The steady-state process model was then developed and validated at three stages, which included a thermodynamicmodel, physical properties calculations, and a process model at the pilot plant scale, covering a wide rangeof pressures, temperatures, and CO2 loadings. The calculation correlations of liquid density and interfacialarea were updated by coding Fortran subroutines in Aspen Plus. The validation results show that the cor-relation combination for the thermodynamic model used in this study has higher accuracy than those ofthree other key publications and the model prediction of the process model has a good agreement with thepilot plant experimental data. A case study was carried out for carbon capture from a 250 MWe combinedcycle gas turbine （CCGT） power plant. Shorter packing height and lower specific duty were achieved usingthis accurate model.

关键词： Process modeling Model validation Monoethanolamine Carbon capture Combined cycle gas turbine power plant Carbon capture and storage

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New deghosting method based on generalized triangulation

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Journal of Systems Engineering and Electronics 2009年第3期20卷 504-511页

作者： Bai Jing wang Guohong Xiu Jianjuan wang xiaobo Inst. of Information Fusion Naval Aeronautical and Astronautical Univ. Yantai 264001 P. R. China

A new deghosting method based on the generalized triangulation is presented. First, two intersection points corresponding to the emitter position are obtained by utilizing two azimuth angles and two elevation angles from two jammed 3-D radars （or 2-D passive sensors）. Then, hypothesis testing based deghosting method in the multiple target scenarios is proposed using the two intersection points. In order to analyze the performance of the proposed method, the correct association probability of the true targets and the incorrect association probability of the ghost targets are defined. Finally, the Monte Carlo simulations are given for the proposed method compared with the hinge angle method in the cases of both two and three radars. The simulation results show that the proposed method has better performance than the hinge angle method in three radars case.

关键词： deghosting generalized triangulation hinge angle distributed radar network hypothesis testing

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大豆LOX基因家族的全基因组鉴定及GmLOX15A1基因等位变异对百粒重的影响

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中国农业科学 2025年第1期58卷 10-29页

作者：王伟吴传磊胡晓渝李佳佳白鹏宇王郭伋苗龙王晓波安徽农业大学农学院

【目的】基于全基因组鉴定分析大豆LOX基因家族成员，了解各成员的分类进化关系，研究各基因成员在不同组织中的表达特异性以及对非生物胁迫的响应，为进一步研究LOX基因家族的分子特征、进化历程以及功能研究提供理论基础。【方法】基... 详细信息

【目的】基于全基因组鉴定分析大豆LOX基因家族成员，了解各成员的分类进化关系，研究各基因成员在不同组织中的表达特异性以及对非生物胁迫的响应，为进一步研究LOX基因家族的分子特征、进化历程以及功能研究提供理论基础。【方法】基于Ensembl数据库中水稻和拟南芥物种LOX蛋白序列，在大豆全基因组数据库中BLASTP比对同源LOX蛋白序列，使用MEGA X软件构建系统进化树；采用网站MEME进行蛋白保守基序分析；运用在线软件GSDS 2.0分析基因结构；运用TBtools进行染色体定位绘制；用McscanX分析大豆LOX家族复制基因；利用PlantCARE网站预测大豆LOX基因家族启动子元件；通过TBtools绘制不同组织及非生物胁迫下大豆基因表达热图，并对与百粒重显著相关的优异等位变异位点GmLOX15A1-G/A进行分子标记开发。【结果】大豆中共鉴定到43个LOX基因，不均匀地分布在13条染色体上。共线性分析表明，GmLOX基因在进化过程中经历了广泛的复制。同时，在LOX基因启动子中检测到39种不同类型的顺式调控元件，表明它们可能参与了不同的生长发育、光反应、应激反应与激素诱导等途径。表达模式分析发现LOX基因在大豆不同组织中具有不同的表达程度，表明该家族成员具有组织和时空表达特异性。干旱胁迫条件下，GmLOX基因在大豆根系和叶片中表达差异显著（P<0.05），其中，GmLOX3A3、GmLOX7A1、GmLOX20B1、GmLOX13A1和GmLOX20A2在根系和叶片中均显著上调或下调表达，推测GmLOX基因可能在逆境胁迫响应中发挥重要作用。同时，发现GmLOX15A1在籽粒组织中高表达且在该基因编码区第七外显子存在一处G/A优异等位变异，对该变异位点开发分子标记，并利用来自不同生态区1 200份大豆种质资源2年的百粒重数据，分析GmLOX15A1不同单倍型与百粒重的相关性，结果表明，相较于GmLOX15A1-A基因型，携带GmLOX15A1-G等位基因大豆种质的平均百粒重提高2.33 g（P<0.001）。【结论】在大豆中共鉴定到43个LOX家族成员，可分为3个亚家族。GmLOX基因启动子区存在大量激素和胁迫响应的顺式作用元件，在干旱胁迫响应中发挥不同的作用。其中，GmLOX15A1在籽粒组织中高表达且该基因编码区第七外显子存在一处G/A优异等位变异，相较于GmLOX15A1-A基因型，携带GmLOX15A1-G等位基因大豆种质的平均百粒重显著提高2.33 g，该位点可作为大豆籽粒大小遗传改良的优异单倍型。

关键词：大豆脂肪氧合酶生物信息学表达分析逆境响应百粒重

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