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with different valences in spent catalysts before and after microwave treatment 废催化剂经过碱性浸出,钒,钼和少部分铝被浸出提取,过滤后的不溶物为富含镍和铝的原料,可采用酸浸工艺进行回收,由于非本研究主要工序,此处不详细讲述. 钒萃取工序:首先采用调节pH值的方法进行溶液的净化除杂,由于共沉淀的原因,原料中3.63... petrochemical catalysts in China[J]. China Resources Comprehensive Utilization, 2015, 33(6): 38-42. [2] MA Z Y, LIU Y, ZHOU J K, et al. Recovery of vanadium and molybdenum from spent petrochemical catalyst......
; 文献标志码:A Floatability of Co-enriched crushed products of spent lithium-ion batteries LI Hong1, HE Ya-qun1, 2, ZHANG Tao1, HUANG Ya-jun1, ZHU Xiang-nan1 (1. School of Chemical Engineering... increases from 15.66% to 50.71%. The organic impurity containing C, F, P and O covers on rough surface of recovered material obtained from disassembled spent lithium-ion batteries. The impurity leads......
, Co and Mn from spent lithium-ion batteries CHEN Liang1, TANG Xin-cun 1, 2, ZHANG Yang1, QU Yi1, WANG Zhi-min1 (1. School of Chemistry and Chemical Engineering, Central South University..., copper and aluminum in the leach liquor, the loss rates of Ni, Co and Mn are 1.5%, 0.57% and 4.56%, respectively. Overall, 95% of Ni, Co and Mn can be recovered from the spent lithium-ion batteries......
Trans. Nonferrous Met. Soc. China 29(2019) 200-212 Carbothermic reduction of chromite fluxed with aluminum spent potlining Dawei YU1,2, Dogan PAKTUNC1 1. CanmetMINING, Natural Resources Canada 555...: Aluminum spent potlining (SPL) was employed as both the fluxing agent and a source of carbonaceous reductant for the carbothermic reduction of chromite, aiming to allow effective separation of alloy from......
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Recovery of copper from simulated ammoniacal spent etchant using sterically hindered beta-diketone LIANG Qi-wen, HU Hui-ping, FU Weng, YE Ting, CHEN Qi-yuan School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China Received 22 October 2010; accepted 25 January 2011 Abstract: The solvent extraction of copper from simulated ammoniacal spent etchant with 1......
, ZHANG L, et al. Microwave-absorbing properties of cathode material during reduction roasting for spent lithium-ion battery recycling[J]. Journal of Hazardous Materials, 2020, 384: 121487. [3] 张涛, 吴彩斌, 王成彦, 等. 废弃手机锂离子电池机械破碎的基础研究[J]. 中南大学学报(自然科学版), 2012, 43(9): 3355-3362. ZHANG Tao, WU Caibin, WANG Chenyan, et al. Mechanical crushing properties of spent cell phone lithium-ion batteries[J]. Journal......
Trans. Nonferrous Met. Soc. China 30(2020) 1956-1963 Footprint of harmful substances in spent pot lining of aluminum reduction cell Feng-qin LIU1,2, Ming-zhuang XIE1,2, Wei LIU1,2, Hong-liang... Abstract: Spent pot lining (SPL) from aluminum reduction cells is considered to be hazardous materials due to containing a large amount of soluble fluoride salts and trace toxic cyanides......
Electrochemical behavior of bioleaching LiCoO2 from spent lithium-ion batteries by Thiobacillus ferrooxidans DENG Xiao-rong1, ZENG Gui-sheng1, 2, LUO Sheng-lian1, 2, LUO Xu-biao1, ZOU Jian-ping1 (1. Key... between the interfaces of electrode/solution with the addition of T. ferrooxidans. Key words: spent lithium-ion batteries; LiCoO2; bioleaching; electrochemical 锂离子电池具有质量轻,体积小,电压高等优点,成为手机,手提电脑和数码相机等的主要电源[1......
; 文献标志码:A 文章编号:1672-7207(2011)10-2966-05 Preparation and performance of two new chelants for recycling Co(Ⅱ) from spent Li... chelant with HCl solution. Chelating resin displays good recyclability. Key words: spent Li-ion batteries; cobalt; chelating resin; recycling 废旧锂离子电池的处理问题日益引起研究者的关注.废旧锂离子电池中含有大量的有毒物质,正极中的钴属于稀缺资源,且对水体,生物系......
