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含钒转炉渣中和钛白废酸的试验研究钱强1(1.四川省攀枝花市攀钢集团钢城企业总公司 )摘 要:攀钢在钒钛资源综合利用过程中产生了大量的含钒转炉渣和钛白废酸固,液废弃物,通过实施"以废治废"的新型利用理念,在常温下,液固比为5∶1进行配比,浸泡1 h后钒浸出率达到71.16%,酸浸液可作为提钒原料使用,而酸浸渣则可作为石膏替代品,在达到中和目的的同时,实现废弃资源的再利用.关键词:含钒转炉渣; 钛白废酸; 中和; 浸出率; 石膏替代品......
Carbonaceous Nanofibers-titanium Dioxide Nanocomposites: Synthesis and Use as a Platform for Removal of Dye Pollutants郭洪影,JIANG Shan,WANG Chaoyuan,LI Shenwan,FENG Jianjian,孙红梅,ZHU Hongda,GUO Huiling...="ChDivSummary">A mild chemistry route was developed to prepare carbonaceous nanofibers-titanium dioxide(CNF-TiO2) nanocomposites for removal of dye pollutants. In the process of the template-directed......
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添加Fe3+对二氧化钛薄膜吸收光谱及光催化活性的影响 沈嘉年1,杨建纯1,刘冬1,肖美群1,李谋成1,武朋飞1 (1.上海大学材料研究所,上海,200072) 摘要:用阳极氧化法制备多孔状的纳米晶二氧化钛薄膜,通过往阳极氧化的电解液中添加Fe3+,使其进入二氧化钛薄膜中,研究了掺杂Fe3+对二氧化钛薄膜吸收光谱和光催化活性的影响.在阳性氧化时通过往电解液中添加不同含量的Fe3+可以制得掺杂Fe3+浓度不同的薄膜,研究了掺杂Fe3+浓度不同对薄膜吸收光谱和光催化活性的影响.用X射线衍射,扫描电子显微镜,紫外-可见吸收光谱仪和X光电子能谱对薄膜进行了表征.实验发现掺杂Fe3+使二氧化钛薄膜对入射光的吸收带边发生红移,讨论了其作用机制. 关键词:二氧化钛薄膜; 掺杂Fe3+离子; 光吸收; 光催化活性; titanium dioxide film; Fe3+ doped......
Article ID: 1003-6326(2005)05-1156-05 Preparation of titanium dioxide/silver sulfate powder and its antibacterial activity PENG Bing(彭 兵), YUAN Chun(苑 春), CHAI Li-yuan(柴立元), WEI Shun-wen(韦顺文), YU Yan-fen(于延芬), SU Wei-feng(苏维丰) (School of Metallurgical Science and Engineering, Central South University, Changsha 410083, China) Abstract: Antibacterial powders of titanium dioxide......
) Abstract:A series of europium-doped titanium dioxide (TiO2) fluorescent nano-materials prepared by sol-gel method is presented. The phase structure and crystalline sizes of TiO2∶Eu, which is doped... of the fluorescence lifetimes, it can be seen that the fluorescence lifetime could be prolonged when europium is incorporated in TiO2. Key words:fluorescence; europium; nano-material; titanium dioxide......
Analysis of trace mercury in water by solid phase extraction using dithizone modified nanometer titanium dioxide and cold vapor atomic absorption spectrometryMA Xiaoguo1), HUANG Bei1), and CHENG...-modified nanometer titanium dioxide (TiO2) as a solid phase extractant and determination by cold vapor atomic adsorption spectrometry (CVAAS). Dithizone was dissolved with alcohol and loaded on the surface......
Effect of hydroxyl groups on hydrophilic and photocatalytic activities of rare earth doped titanium dioxide thin films杜军,吴其,钟汕,顾馨,刘娇,郭海志,张文龙,彭海龙,邹建国Key Lab of Poyang Lake Ecology and Bio-resource Utilization (Ministry of Education), Department of Chemical Engineering, College of Environmental and Chemical Engineering, Nanchang University摘 要:Rare earth(Y......
Effect of hydroxyl groups on hydrophilic and photocatalytic activities of rare earth doped titanium dioxide thin films杜军,吴其,钟汕,顾馨,刘娇,郭海志,张文龙,彭海龙,邹建国Key Lab of Poyang Lake Ecology and Bio-resource Utilization (Ministry of Education), Department of Chemical Engineering, College of Environmental and Chemical Engineering, Nanchang University摘 要:Rare earth(Y......
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