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Research in Cold and Arid Regions 2024年第1期16卷 1-4页

作者： JiZu Chen XingYu Xue wentao du State Key Laboratory of Cryospheric Science Northwest Institute of Eco-Environment and ResourcesChinese Academy of Sciences(CAS)LanzhouGansu 730000China Gansu Provincial Industry Technology Center of Intelligent Equipment and Big Data for Disaster Prevention Northwest Institute of Eco-Environment and ResourcesChinese Academy of Science(CAS)LanzhouGansu 730000China Zhangye Meteorological Bureau ZhangyeGansu 734000China College of Resources and Environment University of Chinese Academy of Sciences(UCAS)Beijing 100049China

In the hydrological year 2022/2023,the glaciers in the Qilian Mountains experienced unprecedented mass *** glacier-wide mass balance was-1,188 mm w.e.,in contrast to-350 mm of average mass balance since 1990 over the Bailanghe Glacier No.12 in the middle of Qilian *** temperature during 2022–2023 reached the highest value ever recorded,second only to 2022,while at the same time the precipitation amount was less compared to other year since 2000,which together led to the strongest glacier mass loss during 2022–*** atmospheric circulation analysis shows that the high temperature in the Qilian Mountains in 2023 was jointly caused by the Arctic air mass and East Asian monsoon.

关键词： Bailanghe Glacier No.21 Glacier mass loss Extreme high temperature Atmospheric circulation

Recent progress in ternary mixed matrix membranes for CO_(2) separation

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Green Energy & Environment 2024年第5期9卷 831-858页

作者： Zikang Qin Yulei Ma Jing Wei Hongfang Guo Bangda Wang Jing Deng Chunhai Yi Nanwen Li Shouliang Yi Yi Deng wentao du Jian Shen Wenju Jiang Lu Yao Lin Yang Zhongde Dai College of Architecture and Environment Sichuan UniversityChengdu610065China College of Carbon Neutrality Future Technology Sichuan UniversityChengdu610065China National Engineering Research Centre for Flue Gas Desulfurization Chengdu610065China Carbon Neutral Technology Innovation Center of Sichuan Chengdu610065China School of Chemical Biological and Materials EngineeringUniversity of OklahomaNormanOK73019USA Shaanxi Key Laboratory of Energy Chemical Process Intensification School of Chemical Engineering and TechnologyXi'an Jiaotong UniversityXi'an710049China State Key Laboratory of Coal Conversion Institute of Coal ChemistryChinese Academy of SciencesTaiyuan030001China US DOE Natl Energy Technol Lab626 Cochrans Mill RdPittsburghPA 15236USA DongFang Boiler Co. Ltd.China Clean Combustion and Flue Gas Purification Key Laboratory of Sichuan Province Chengdu611731China College of Environment and Resources Xiangtan UniversityXiangtan411105China

Mixed matrix membranes(MMMs)could combine the advantages of both polymeric membranes and porousﬁllers,making them an effective alternative to conventional polymer ***,interfacial incompatibility issues,such as the presence of interfacial voids,hardening of polymer chains,and blockage of micropores by polymers between common MMMsﬁllers and the polymer matrix,currently limit the gas sep-aration performance of *** phase MMMs(consisting of aﬁller,an additive,and a matrix)made by adding a third compound,usually functionalized additives,can overcome the structural problems of binary phase MMMs and positively impact membrane separation *** review introduces the structure and fabrication processes for ternary MMMs,categorizes various nanoﬁllers and the third component,and summarizes and analyzes in detail the CO_(2) separation performance of newly developed ternary MMMs based on both rubbery and glassy *** on this separation data,the challenges of ternary MMMs are also ***,future directions for ternary MMMs are proposed.

关键词： CO_(2) separation Mixed matrix membranes Ternary phase

考虑伦理因素的建筑工程项目经理胜任力评价研究

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建筑经济 2024年第S01期45卷 201-204页

作者：杜文涛中核华辰建筑工程有限公司陕西西安710000

建筑工程项目经理的胜任力水平关乎项目目标的顺利实现。在考虑伦理因素的基础上,采用文献研究法并结合工程实践,构建建筑工程项目经理胜任力评价指标体系;接着,基于集对分析理论,建立建筑工程项目经理胜任力评价模型;最后,进行实证研... 详细信息

建筑工程项目经理的胜任力水平关乎项目目标的顺利实现。在考虑伦理因素的基础上,采用文献研究法并结合工程实践,构建建筑工程项目经理胜任力评价指标体系;接着,基于集对分析理论,建立建筑工程项目经理胜任力评价模型;最后,进行实证研究。结果表明,考虑伦理因素的建筑工程项目经理胜任力评价模型更具有科学性和适用性。研究结果对提升建筑工程项目经理胜任力水平具有重要参考意义。

关键词：工程伦理建筑工程项目经理胜任力评价

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洛宁盆地多源遥感地热信息提取方法研究

地质与勘探 2024年第3期60卷 552-562页

作者：李新萍杜文涛蔡铁刚张景业郭卿河南省地质矿产勘查开发局第一地质矿产调查院河南洛阳471000 河南省金银多金属成矿系列与深部预测重点实验室河南洛阳471000

为探明洛宁盆地地热资源范围,为后期科学合理开发地热资源提供数据支撑,本文提出多源多时相遥感技术的综合预测方法。分别使用大气校正法、发射率归一化法对Landsat 8、ASTER数据进行地表昼夜温度反演,提取温度异常区。结果表明:此方法... 详细信息

为探明洛宁盆地地热资源范围,为后期科学合理开发地热资源提供数据支撑,本文提出多源多时相遥感技术的综合预测方法。分别使用大气校正法、发射率归一化法对Landsat 8、ASTER数据进行地表昼夜温度反演,提取温度异常区。结果表明:此方法能够消除太阳辐射的影响,昼夜温度二者呈负相关;温度高异常区主要分布在水体、城镇区域,呈线状延伸。再结合多时相卫星数据对蚀变和构造信息进行提取,叠加温度、蚀变和构造图层,并结合已有地质资料综合分析,最终圈定3处靶区。其中金家庄-广武庙一带、霍家岭-岭东一带通过实地踏勘发现7处温泉点,验证了方法的可靠性。本文以地热形成理论为背景,结合遥感技术,综合利用地质资料,圈定地热靶区,其结果具有较高的精度。所采用的方法能够快速预测地热资源分布范围,具有低成本、周期短的特点以及较好的应用价值。

关键词：多源遥感地热构造解译蚀变提取温度反演洛宁盆地

用于CO_(2)分离的含氨基酸盐促进传递膜研究进展

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膜科学与技术 2024年第2期44卷 165-176页

作者：马玉磊魏静银登国冯超杜文韬黄娅代忠德四川大学建筑与环境学院成都610207 国家烟气脱硫工程技术研究中心成都610207 四川省碳中和技术创新中心成都610207 四川大学碳中和未来技术学院成都610207 东方电气集团东方锅炉股份有限公司自贡643001 成都信息工程大学资源与环境学院成都610225

膜分离法由于其高度模块化、占地面积小、化学排放低或无化学排放和易于操作等优势,被广泛认为是有前途的CO_(2)分离技术.然而,对于气体分离,大多数聚合物膜遵循溶解-扩散机制,因此需要在气体渗透性和选择性之间进行权衡,使CO_(2)分离... 详细信息

膜分离法由于其高度模块化、占地面积小、化学排放低或无化学排放和易于操作等优势,被广泛认为是有前途的CO_(2)分离技术.然而,对于气体分离,大多数聚合物膜遵循溶解-扩散机制,因此需要在气体渗透性和选择性之间进行权衡,使CO_(2)分离膜在工业应用中受到限制.而促进传递膜被认为是克服这一限制的有效解决方案.本文综述了用于CO_(2)捕集的含氨基酸盐促进传递膜的研究进展,并针对目前存在的问题,对未来含氨基酸盐的促进传递膜的发展方向提出了建议.

关键词：氨基酸盐促进传递膜 CO_(2)捕集膜分离

Cryosphere as a temporal sink and source of microplastics in the Arcticregion

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Geoscience Frontiers 2023年第4期14卷 187-199页

作者： Yulan Zhang Tanguang Gao Shichang Kang Deonie Allen Zhaoqing Wang Xi Luo Ling Yang Jinlei Chen Zhaofu Hu Pengfei Chen wentao du Steve Allen State Key Laboratory of Cryospheric Science Northwest Institute of Eco-Environment and ResourcesChinese Academy of SciencesLanzhou 730000China College of Earth and Environmental Sciences Lanzhou UniversityLanzhou 730000China School of Geography Earth and Environmental SciencesUniversity of BirminghamEdgbastonBirminghamB152TTUK School for Resource and Environmental Studies Dalhousie UniversityHalifaxNova Scotia B3H 4R2Canada University of Chinese Academy of Sciences Beijing 100049China

Microplastics(MPs)pollution has become a serious environmental issue of growing global concern due to the increasing plastic production and *** climate warming,the cryosphere,defined as the part of Earth’s layer characterized by the low temperatures and the presence of frozen water,has been experiencing significant *** Arctic cryosphere(e.g.,sea ice,snow cover,Greenland ice sheet,permafrost)can store and release pollutants into environments,making Arctic an important temporal sink and source of ***,we summarized the distributions of MPs in Arctic snow,sea ice,seawater,rivers,and sediments,to illustrate their potential sources,transport pathways,storage and release,and possible effects in this sentinel *** concentrations of MPs in snow and ice varied about 1-6 orders of magnitude in different regions,which were mostly attributed to the different sampling and measurement methods,and potential sources of *** concentrations from Arctic seawater,river/lake water,and sediments also fluctuated largely,ranging from several items of per unit to>40,000 items m^(-3),100 items m^(-3),and 10,000 items kg^(-1) dw,*** land snow cover can be a temporal storage of MPs,with MPs deposition flux of about(4.9-14.26)×10^(8) items km^(-2) yr^(-1).MPs transported by rivers to Arctic ocean was estimated to be approximately 8-48 ton/yr,with discharge flux of MPs at about(1.65-9.35)×10^(8) items/*** storage of MPs in sea ice was estimated to be about 6.1×10^(18) items,with annual release of about 5.1×10^(18) *** transport of MPs from long-distance terrestrial sources contributed significantly to MPs deposition in Arctic land snow cover,sea ice and oceanic surface *** Great Rivers can flow MPs into the Arctic *** ice can temporally store,transport and then release MPs in the surrounded *** currents from the Atlantic brought high concentrations of MPs into the ***,there existed large u

关键词： Microplastics Arctic Sea ice Snow Seawater Sediments

Lanthanum-doped Cu-Mn composite oxide catalysts for catalytic oxidation of toluene

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Journal of Rare Earths 2019年第6期37卷 602-608页

作者： Jing Pan wentao du Yongjun Liu Yan Cheng Shandong Yuan College of Architecture and Environment Sichuan University National Engineering Research Center for Flue Gas Desulfurization Faculty of Geosciences and Environmental Engineering Southwest Jiaotong University

CuMn mixed oxides catalysts doped with La were prepared following a co-precipitation method and used for the catalytic oxidation of toluene. Catalysts properties of the catalysts were investigated by X-ray diffraction, N_2 adsorption/desorption,scanning electron microscopy, H_2-temperature-programmed reduction(H_2-TPR), O_2-temperature-programmed desorption(O_2-TPD) and X-ray photoelectron spectroscopy techniques. Characterization data reveal that the phase change and decrease in crystallinity of the La-doped catalysts increase the number of oxygen vacancies. Improvements in reducibility and an increase in the amount of chemisorbed oxygen of the La-doped catalysts were also verified by H_2-TPR and O_2-TPD. The activity of the CuMn mixed oxides catalysts is significantly improved by the addition of a nominal amount of La. The CuMn/La-4 mol% catalyst exhibits the best catalytic activity, with a 90%conversion temperature of 255 ℃,attributed to a high Mn^(3+)ratio, superficial chemisorbed oxygen,and high surface area. This study indicates La to be a promising dopant for Cu-Mn catalysts toward toluene oxidation.

关键词： Manganese Copper Lanthanum Catalytic combustion Toluene Rare earths

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高炉热风炉烟气超低排放技术路线研究

东方电气评论 2024年第2期38卷 37-41,74页

作者：李灵均周东锋甘丽江魏文丁杜文韬张晶辉任江武娟东方电气集团东方锅炉股份有限公司成都611731 清洁燃烧与烟气净化四川省重点实验室成都611731 安阳钢铁集团有限公司河南安阳455000

高炉热风炉是钢铁行业生产过程中主要的烟气污染物排放源之一,通过分析当前高炉热风炉烟气污染物排放标准,结合高炉热风炉的烟气特点,提出两种适用于高炉热风炉烟气超低排放的技术路线,经过技术经济对比发现,采用中高温烟气脱硝更具优势。

关键词：热风炉超低排放

Potential Effect of Black Carbon on Glacier Mass Balance during the Past 55 Years of Laohugou Glacier No. 12, Western Qilian Mountains

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Journal of Earth Science 2020年第2期31卷 410-418页

作者： Jizu Chen Xiang Qin Shichang Kang wentao du Weijun Sun Yushuo Liu Qilian Shan Station of Glaciology and Ecological Environment State Key Laboratory of Cryospheric SciencesNorthwest Institute of Eco-Environment and ResourcesChinese Academy of Sciences(CAS)Lanzhou 730000China CAS Center for Excellence in Tibetan Plateau Earth Sciences Beijing 100085China College of Geography and Environment Shandong Normal UniversityJinan 250014China

This study reconstructed the annual mass balance(MB)of Laohugou Glacier No.12 in the western Qilian Mountains during 1961–*** annual MB was calculated based on a temperature-index and an accumulation model with inputs of daily air temperature and precipitation recorded by surrounding meteorological *** model was calibrated by in-situ MB measurements conducted on the glacier during 2010–*** in constructed annual MB had three *** Phase Ⅰ(1961-1984),glacier-wide MB values were slightly positive with an average MB of 24±276 mm w.e.(water equivalent).during Phase Ⅱ(1984-1995),the MB values became slightly negative with an average MB of?50±276 mm w.e..The most negative MB values were found during Phase Ⅲ(1996–2015),with an average MB of?377±276 mm *** analysis showed that the warming led to accelerated glacier mass loss despite a persistent increase of precipitation during the analysis ***,an increase of black carbon deposited on the glacier surface since the 1980s could have contributed to intensified glacier *** simulations and measurements of MB on the Urumqi Glacier No.1,26%of glacier melt caused by black carbon could be identified.

关键词： Laohugou Glacier No.12 climate change temperature-index model mass balance black carbon

基于膜分离的沼气及烟气CO_(2)捕集技术应用进展

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能源环境保护 2024年第3期38卷 43-51页

作者：银登国周志斌魏静马玉磊秦子康邓敏吴元明杜文韬代忠德四川大学建筑与环境学院四川成都610065 东方电气集团东方锅炉股份有限公司四川自贡643001 中石化南京化工研究院有限公司江苏南京210048 国家烟气脱硫工程技术研究中心四川成都610065 四川省碳中和技术创新中心四川成都610065 四川大学碳中和未来技术学院四川成都610065

在实现“碳达峰、碳中和”目标过程中,碳捕集技术成为当下研究热点之一。目前,碳捕集技术主要包括吸收法、吸附法、膜分离法等。在众多碳捕集技术中,膜分离法利用气体分子在膜内渗透速率的差异实现分离,具有节能、高效、操作方便且无二... 详细信息

在实现“碳达峰、碳中和”目标过程中,碳捕集技术成为当下研究热点之一。目前,碳捕集技术主要包括吸收法、吸附法、膜分离法等。在众多碳捕集技术中,膜分离法利用气体分子在膜内渗透速率的差异实现分离,具有节能、高效、操作方便且无二次污染等优势,是近些年发展迅速的CO_(2)捕集技术。在过去的几十年里,虽然在文献中有许多种不同的碳捕集膜材料被报道,其CO_(2)分离性能远超Robeson上限,但只有少数膜材料被应用于工业过程中,或正在向工业应用方向发展。事实上,许多膜的研究在实验室规模下进行,测试膜面积较小,且对于膜分离法的实际应用报告较少。结合工业CO_(2)分离/捕集过程,介绍了商业膜和经过中试规模测试的膜的应用,分析了膜分离技术用于沼气脱碳和烟气碳捕集的试验进展及工程应用案例,并针对当前存在的问题,提出对未来基于膜分离法的工业碳捕集的发展方向的建议。

关键词：沼气烟道气 CO_(2)捕集膜分离工程案例