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氯离子存在条件下嗜热酸性生物浸出硫化铜精矿
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作者 Mahboube BAKHSHOUDE esmaeel darezereshki Fereshteh BAKHTIARI 《Journal of Central South University》 SCIE EI CAS CSCD 2023年第3期749-762,共14页
本文研究了在生物浸出Midouk Shahrr-e-Babak铜矿复合体系中,氯离子对用极端嗜热菌Sulfolobus acidocalarius生物浸出硫化铜精矿的影响。细菌在pH=1.5时逐渐适应氯离子,说明溶液中氯离子的存在只是降低了细菌的繁殖和生长速度,但并没有... 本文研究了在生物浸出Midouk Shahrr-e-Babak铜矿复合体系中,氯离子对用极端嗜热菌Sulfolobus acidocalarius生物浸出硫化铜精矿的影响。细菌在pH=1.5时逐渐适应氯离子,说明溶液中氯离子的存在只是降低了细菌的繁殖和生长速度,但并没有阻止细菌的生长。当pH从2.0降低到1.5时,在前几天铜的浸出率逐步提高,9 d后铜的浸出率接近100%。随着溶液中固体含量从1%增加到3%,铜浸出时间延长了6 d。在pH=1.5、固体含量为1%、Na Cl浓度为0.5 mol/L和1.0 mol/L的条件下,9 d后的浸出率分别为98%和80%;21 d后,浸出率分别达到近100%和90%。在无微生物但其他条件相同的情况下,铜的浸出率仅为62%。 展开更多
关键词 生物浸出 Sulfolobus acidocalarius 硫化铜精矿 氯离子
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Review of electrodeposition methods for the preparation of high-entropy alloys
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作者 Zahra Shojaei Gholam Reza Khayati esmaeel darezereshki 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2022年第9期1683-1696,共14页
High-entropy alloys(HEAs)are suitable for engineering applications requiring excellent mechanical,corrosion,thermal,and magnetic properties.In the last decade,electrodeposition has emerged as a promising synthesis tec... High-entropy alloys(HEAs)are suitable for engineering applications requiring excellent mechanical,corrosion,thermal,and magnetic properties.In the last decade,electrodeposition has emerged as a promising synthesis technique for HEAs.Research has focused on the influence of procedure parameters on the deposition of different HEA layers and the effect of their microstructure on their corrosion and magnetic properties.This review of current literature provides comprehensive information on HEAs and the use of direct and pulse electrodeposition as a synthesis technique for these materials.This review also addresses the research gaps on HEA production via electrodeposition,such as using other ceramic particles instead of graphene oxide in composite structures based on HEAs. 展开更多
关键词 high-entropy alloy ELECTRODEPOSITION corrosion resistance magnetic properties
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