PYRITE

作品数：330被引量：972H指数：14
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Mechanisms of nanobubble-enhanced flotation of galena from pyrite
《International Journal of Minerals,Metallurgy and Materials》2025年第4期817-824,共8页Chao Wang Zhongxian Wu Tongbo Wang Bo Qiao Hao Huang Jincheng Ran Guangxi Ma Dongping Tao 
financial support from the Major Science and Technology Special Project of Yunnan Province,China(No.202302AB080012);the National Natural Science Foundation of China(No.52204274);the Shandong Provincial Natural Science Foundation,China(No.ZR2021QE122).
To investigate the mechanisms of how nanobubbles enhance the flotation separation performance of galena from pyrite,the effects of nanobubbles on the surface properties of galena and pyrite and the interactions betwee...
关键词：GALENA PYRITE NANOBUBBLE FLOTATION 
Insight into the crystal facet-dependent Cr(VI)reduction:A comparative study of pyrite{100}and{111}facets
《Journal of Environmental Sciences》2025年第4期78-90,共13页Binlin Tang Jinye Liang Zhilin Wen Yueqiang Zhou Zhiqiang Yan Yihao Zhou Peng He Chunyao Gu Min Gan Jianyu Zhu 
supported by the National Natural Science Foundation of China(No.42277256);the Natural Science Foundation of Hunan Province(No.2022JJ30710);Hunan Province Environmental Protection Research Program(No.HBKT-2021014);Guangdong Province Dabaoshan Mining Co.Ltd Technology Program(Semi-industrial test of 200T/time low-grade copper ore bio-heap leaching).
The migration and transformation of hexavalent chromium(Cr(VI))in the environment are regulated by pyrite(FeS2).However,variations in pyrite crystal facets influence the adsorption behavior and electron transfer betwe...
关键词：PYRITE Cr(VI)reduction Facet-dependent Fe/S arrangement DFT calculation 
Pyrite-based materials for heavy metals wastewater remediation:progress and challenges
《Frontiers of Environmental Science & Engineering》2025年第3期229-244,共16页Kaixuan Zheng Fuli Li Kuang He Xiangrui Kong Wei Wang Yanzhi Chen Renli Yin Na Liu Yong Wen Hongtao Wang 
supported by the National Key R&D Program of China(No.2018YFC1802300);Special Project for Basic Scientific Research Operations of Public Welfare Research Institutes at the Central Level(Self-supporting Projects of Institutes)(China)(PM-zx703-202406-192).
The heavy metal pollution in water,largely driven by human activities,has become a significant concern in China.Pyrite has gained attention for treating heavy metal wastewater due to its excellent adsorptive and redox...
关键词：PYRITE MODIFICATION Heavy metal Redox ADSORPTION 
Consistent crystal orientation of core and rim pyrites indicates an epitaxial growth of rim in Carlin-type gold deposits
《Geoscience Frontiers》2025年第1期223-234,共12页Jingdan Xiao Zhuojun Xie Yong Xia Phillip Gopon Qinping Tan 
supported by grants from the National Natural Science Foundation of China(42073044);National Key R&D Program of China(2023YFC2906801);Geological Exploration Fund of Guizhou Province(No.2024-2;520000214TLCOG7DGTNRG);Youth Innovation Promotion Association,Chinese Academy of Sciences(2022402);Science and Technology Foundation of Guizhou Province(Qiankehepingtairencai-CXTD[2021]007);West Light Foundation of the Chinese Academy of Sciences(xbzg-zdsys-202108).
The gold-bearing arsenian pyrite in Carlin-type gold deposits typically grows around the gold/arsenic-poor pyrite core,forming core-rim textured pyrite.However,the causes of rim pyrite precipitation around the early-f...
关键词：Core-rim textured pyrite Epitaxial growth Carlin-type gold deposits SHUIYINDONG Lannigou 
Effect of pyrite content on chalcopyrite flotation under different regrinding conditions
《International Journal of Minerals,Metallurgy and Materials》2025年第1期49-57,共9页Zejun Wang Qing Shi Guofan Zhang Yuxuan Zhu Binbin Li 
financially supported by the National Key Research and Development Plan of China(No.2022YFC2904603);the National Natural Science Foundation of China(No.52174268)。
This study aimed to investigate the effect of varying pyrite(Py)content on copper(Cu)in the presence of different regrinding conditions,which were altered using different types of grinding media:iron,ceramic balls,and...
关键词：CHALCOPYRITE regrinding media PYRITE galvanic corrosion FLOTATION 
Flotation separation of chalcopyrite from pyrite using mineral fulvic acid as selective depressant under weakly alkaline conditions
《Transactions of Nonferrous Metals Society of China》2025年第1期313-325,共13页Zhi-hao SHEN Shu-ming WEN Jia-mei HAO Qi-cheng FENG 
supported by Fundamental Research Projects of Yunnan Province,China(Nos.202101BE070001-009,202301AU070189).
Mineral fulvic acid(MFA)was used as an eco-friendly pyrite depressant to recover chalcopyrite by flotation with the use of the butyl xanthate as a collector.Flotation experiments showed that MFA produced a stronger in...
关键词：mineral fulvic acid CHALCOPYRITE PYRITE flotation separation 
CFD-DEM investigation on effects of particle size distribution and gas temperature on minimum fluidization velocity of pyrites
《Particuology》2025年第1期244-255,共12页Wei Long Jingbo Ji Wei Zeng Zhiming Han Hao Zhang Xizhong An Shengqiang Jiang 
the National Natural Science Foundation of China(grant Nos.12072071,12411530070);Liaoning Province Science and Technology Plan Joint Program(Key Research and Development Program Project)(grant No.2023JH2/101800058)for the financial support.
The multiphase reactive flow behavior of pyrites in fluidized roasters is closely related to particle size distribution (PSD) and gas temperature. The coupled computational fluid dynamics-discrete element method (CFD-...
关键词：PYRITE Particle size distribution CFD-DEM Minimum fluidization velocity 
Aqueous oxidation of coal‑associated pyrite and standard pyrite mineral towards understanding the depyritization kinetics and acid formations
《International Journal of Coal Science & Technology》2024年第6期158-172,共15页Angana Mahanta Binud Attry Binoy K.Saikia 
Ministry of Earth Science(Govt.of India)(GPP-0364).
In coal mining areas,the ambient atmospheric and aqueous oxidation of pyrite minerals(FeS2)associated with coal as well as the other accompanying strata is significant in understanding the extent of acid mine drainage...
关键词：Coal pyrite Oxidation of pyrite Aqueous leaching of coal Acid mine drainage Kinetics of pyrite oxidation 
Ore-forming mechanism of Huxu Au-dominated polymetallic deposit in the Dongxiang Basin,South China:Constraints from in-situ trace elements and S-Pb isotopes of pyrite
《Acta Geochimica》2024年第6期1223-1240,共18页Hongze Gao Jiajie Chen Chengbiao Leng Yuhui Hu Huidan Xie Zenghua Li 
jointly supported by the foundation from Department of Science and Technology of Jiangxi Province(No.20232BAB213064);National Natural Science Foundation of China(No.42102088);foundation from the State Key Laboratory of Nuclear Resources and Environment(2022NRE33)。
The Huxu Au-dominated polymetallic deposit is a hydrothermal deposit located in the Dongxiang volcanic basin in the middle section of the Gan-Hang tectonic belt in South China.The orebodies primarily occur within the ...
关键词：Au-dominated Polymetallic deposit Intermediate sulfidation Epithermal deposit PYRITE Trace element S-Pb isotope Tectonic belt 
Sedimentary Expressions of the Early Jurassic Jenkyns Event in an Inland Lacustrine System in the Yin'gen-Ejinaqi Basin,North China
《Acta Geologica Sinica(English Edition)》2024年第5期1359-1375,共17页YANG Bing XU Guozhen HUI Guangji WEI Yi ZHANG Xinzhi YI Jinjun SUN Siyuan ZHANG Sujiang 
financially supported by China Geological Survey Project(DD20230138;DD20242504);The National Natural Science Foundation of China(Grant Numbers 41702366);The Sinopec Project(34550000-21FW2099-0055)。
The Jenkyns Event,more widely known as the Toarcian Oceanic Anoxic Event(T-OAE),is marked by globally distributed negative carbon-isotope excursions,widespread oxygen depletion,and large-scale organic carbon burial,wh...
关键词：spore-pollen assemblages clay minerals pyrite framboids organic carbon isotope Jenkyns event 
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