云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(51374249)

国家自然科学基金(51374249): 作品数：17被引量：63H指数：5; 导出分析报告; 相关作者：顾帼华邓莎林清泉王晖陈雄更多>>; 相关机构：中南大学江西铜业集团有限公司湖南有色金属职业技术学院中国地质科学院更多>>; 相关期刊：《有色金属（选矿部分）》《International Journal of Minerals,Metallurgy and Materials》《Transactions of Nonferrous Metals Society of China》《中南大学学报（自然科学版）》更多>>; 相关主题：FLOTATION浸出黄铁矿BIOLEACHING砷黄铁矿更多>>; 相关领域：冶金工程矿业工程化学工程天文地球更多>>

酸性体系下不同成因黄铁矿的浸出行为与电化学性质差异被引量：2: 《矿冶工程》2021年第1期85-89,共5页邓莎顾帼华贺国帅; 陕西省自然科学基础研究计划(2020JQ-666);国家自然科学基金(51374249);国家重点基础研究发展计划(973计划)项目(2010CB630903);湖南省研究生科研创新项目(CX2018B064)。; 以同沉积型黄铁矿和中温热液型黄铁矿为研究对象,考察了酸性培养基体系下2种不同成因黄铁矿的浸出行为和电化学性质。浸出试验结果表明:同沉积型黄铁矿浸出率为7.59%,而中温热液型黄铁矿浸出率仅为3.68%,同沉积型黄铁矿的浸出活性高于...; 关键词：黄铁矿同沉积型黄铁矿中温热液型黄铁矿酸性培养基浸出电化学

微生物浸出磁黄铁矿的试验研究被引量：8: 《有色金属（选矿部分）》2019年第3期23-27,32,共6页何威赵开乐; 采用矿驯化以及矿坑的嗜酸嗜铁混合菌(Acidthiobacillus ferrooxidans与Leptospirillum ferriphilum)进行了磁黄铁矿浸出试验,并探讨了混合菌浸出磁黄铁矿的机理。结果表明,与矿驯化菌相比,矿坑混合菌对磁黄铁矿具有更强的吸附能力;细...; 关键词：磁黄铁矿嗜酸嗜铁混合菌浸出

微细粒辉钼矿的浮选动力学研究被引量：9: 《中南大学学报（自然科学版）》2018年第7期1573-1581,共9页林清泉顾帼华陈雄邓莎许宝科李丽娟; 国家自然科学基金资助项目(51374249);中南大学中央高校基本科研业务费专项资金资助项目(2016zzts103);国家科技支撑计划项目(2015BAB12B02)~~; 采用一级动力学模型研究粒度低于38μm的微细粒辉钼矿在不添加或者添加柴油时的浮选动力学。研究结果表明:不添加柴油时微细粒辉钼矿的浮选速率常数小,浮选回收率低;而在添加柴油的体系中,柴油用量的增加可以增大疏水团聚体的粒径,提高...; 关键词：微细粒辉钼矿浮选动力学浮选速率常数疏水聚团

An effective approach for improving flotation recovery of molybdenite fines from a finely-disseminated molybdenum ore被引量：2: 《Journal of Central South University》2018年第6期1326-1339,共14页LIN Qing-quan GU Guo-hua WANG Hui WANG Chong-qing LIU You-cai FU Jian-gang ZHU Ren-feng; Project（2016zztsl03） supported by the Fundamental Research Funds for the Central Universities, China; Project（51374249） supported by the National Natural Science Foundation of China; Project（2015BAB12B02） supported by the National Key Technology R＆D Program of China; Project（2013B090800016） supported by Guangdong Provincial Science and Technology Plan, China; An effective flotation approach is proposed for improving the recovery of molybdenite fines from a finely-disseminated molybdenum ore. To maximize the flotation recovery of molybdenum, process mineralogy of raw ore, c...; 关键词：molybdenite fines molybdenum ore particle size oil agglomerate flotation transformer oil froth flotation

Flotation and electrochemical behaviors of chalcopyrite and pyrite in the presence of N-propyl-N′-ethoxycarbonyl thiourea被引量：7: 《Transactions of Nonferrous Metals Society of China》2018年第6期1241-1247,共7页Shuang-ke LI Guo-hua GU Guan-zhou QIU Zhi-xiang CHEN; Project(51374249)supported by the National Natural Science Foundation of China; The characteristics of N-propyl-N′-ethoxycarbonyl thiourea（PECTU） were studied in the flotation experiments of chalcopyrite and pyrite compared with butyl xanthate（BX）. The interaction mechanism between mineral a...; 关键词：CHALCOPYRITE PYRITE FLOTATION N-propyl-N＇-ethoxycarbonyl thiourea electrochemical behavior

Flotation mechanisms of molybdenite fines by neutral oils被引量：3: 《International Journal of Minerals,Metallurgy and Materials》2018年第1期1-10,共10页Qing-quan Lin Guo-hua Gu Hui Wang You-cai Liu Jian-gang Fu Chong-qing Wang; financial support by the Fundamental Research Funds for the Central Universities of Central South University (No. 2016zzts103);the National Natural Science Foundation of China (No. 51374249);the National Science-technology Support Plan (No. 2015BAB12B02);the technical support provided by Guangdong Provincial Science and Technology Plan (No. 2013B090800016); The flotation mechanisms of molybdenite fines by neutral oils were investigated through microflotation test, turbidity measure- ments, infrared spectroscopy, and interracial interaction calculations. The results of th...; 关键词：molybdenite fines FLOTATION MECHANISMS neutral oils interfacial interaction hydrophobic attraction

Recovery of molybdenum and copper from porphyry ore via iso-flotability flotation被引量：13: 《Transactions of Nonferrous Metals Society of China》2017年第10期2260-2271,共12页Qing-quan LIN Guo-hua GU Hui WANG You-cai LIU Chong-qing WANG Jian-gang FU Jun-yao ZHAO Luo-luo HUANG; Project(51374249)supported by the National Natural Science Foundation of China;Project(2016zzts103)supported by the Fundamental Research Funds for the Central Universities of China;Project(2015BAB12B02)supported by the National Science-Technology Support Plan,China;Project(2013B090800016)supported by Guangdong Provincial Science and Technology Plan,China; A copper-molybdenum iso-flotability flotation process has been developed to efficiently improve the recovery ofmolybdenite from Duobaoshan porphyry Cu-Mo ores.The effects of flotation approach,type of collector,feed p...; 关键词：copper-molybdenum ore iso-flotability flotation oily collector interfacial interaction flotation separation

中等嗜热菌和嗜酸中温古生菌浸出砷黄铁矿的行为: 《湿法冶金》2016年第5期383-388,398,共7页徐雄依顾帼华武子滕暨静邓莎; 国家自然科学基金资助项目(51374249);国家重大基础研究项目(973)2010CB630903; 研究了用中等嗜热菌(sul fobacillum thermosul fidao xidans,s.t)和极端嗜酸中温古生菌(ferroplasma thermo philum,f.t)浸出砷黄铁矿,通过摇瓶试验考察了不同矿浆浓度和细菌接种量对细菌浸出行为的影响。结果表明:提高浸出体系矿浆浓...; 关键词：中等嗜热菌嗜酸中温古生菌砷黄铁矿浸出

Preparation of manganese sulfate from low-grade manganese carbonate ores by sulfuric acid leaching被引量：5: 《International Journal of Minerals,Metallurgy and Materials》2016年第5期491-500,共10页Qing-quan Lin Guo-hua Gu Hui Wang Ren-feng Zhu You-cai Liu Jian-gang Fu; supported by the National Natural Science Foundation of China (51374249); In this study, a method for preparing pure manganese sulfate from low-grade ores with a granule mean size of 0.47 mm by direct acid leaching was developed. The effects of the types of leaching agents, sulfitric acid c...; 关键词：manganese ore treamaent manganese carbonate LEACHING leaching kinetics manganese sulfate

Separation of manganese from calcium and magnesium in sulfate solutions via carbonate precipitation被引量：8: 《Transactions of Nonferrous Metals Society of China》2016年第4期1118-1125,共8页林清泉顾帼华王晖王重庆刘有才朱仁锋符剑刚; Project(51374249)supported by the National Natural Science Foundation of China; The separation of manganese from sulfate solutions containing 14.59 g/L Mn2+, 1.89 g/L Mg2+ and 1.54 g/L Ca2+ was preformed successfully by carbonate precipitation. The results of thermodynamic analysis and tests indi...; 关键词：carbonate precipitation SEPARATION MANGANESE CALCIUM MAGNESIUM

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