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Alumina recovery from spent Bayer liquor by methanol ZHANG Ying(张 盈)1, 2, ZHENG Shi-li(郑诗礼)1, DU Hao(杜 浩)1, WANG Shao-na(王少娜)1, PENG Ying(彭 鹰)3, ZHANG Yi(张 懿)1 1. National Engineering.... In this study, a method was explored to recover alumina from spent Bayer liquor by deep decomposition with methanol. A variety of conditions, including reaction temperature, reaction time, methanol......
应及反应的关系进行计算;采用Factsage软件计算CaO-Al2O3-SiO2-MgO系相图及相应的渣黏度,以及铜-铂族金属相图,并进行分析. 表1 失效汽车催化剂主要化学成分 Table 1 Main chemical composition of spent auto catalyst 2) 验证实验:用电子天平取100 g失效汽车催化剂与捕集剂,还原剂,造渣剂按一..., Sino-platinum Metals Co., Ltd., Kunming Institute of Precious Metals, Kunming 650106, China) Abstract:The basic theory on recovery of platinum group metals from spent auto catalyst by reduction smelting......
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Trans. Nonferrous Met. Soc. China 23(2013) 2977-2983 Synthesis and characterization of fibrous nickel hydroxide obtained from spent nickel catalyst Pinak PATNAIK1,2, Avijit BISWAL1,2, Bankim Chandra... and Innovative Research (AcSIR), Anusandhan Bhavan, Rafi Marg, New Delhi-110001, India Received 7 January 2013; accepted 31 January 2013 Abstract: The recovery of nickel from spent nickel catalyst......
含有的物相有NiSO4·6H2O,C6H14N2O3,SiO2,VO2,ZnS,Al2O3,MoO3等,物相复杂,处理难度较大. 表1 废石化催化剂的主要化学组分 Table 1 Main elements and composition of spent petrochemical catalyst (mass fraction, %) 图1 废催化剂的XRD谱 Fig. 1 XRD pattern of spent catalyst 1.2 实验方法 图2所示为微波浸出实验装置图,微波实验设备型号为XH-200A (北京祥鹄科技发展有限公司生产,2450 MHz,1000 W).浸出实验在微波设备专用三口球形烧瓶(250 mL)中进行,向废催化剂加入一定浓度的NaOH溶液进行调浆,控制浆料固液比为0.20 g/mL,置于微......
residue of spent catalyst with sulfuric acid FENG Qi-ming, SHAO Yan-hai, OU Le-ming, ZHANG Guo-fan, LU Yi-ping (School of Resource Processing and Bioengineering, Central South University, Changsha 410083, China) Abstract: The leaching kinetics of cobalt from roasting-dissolving residue (Ni-Co concentrate) of a spent catalyst was investigated. The results indicate that the extraction......
Preparation of LiNi1/3Co1/3Mn1/3O2 cathode materials from spent Li-ion batteries LI Jian-gang(李建刚)1, ZHANG Qian(张 倩)1, HE Xiang-ming(何向明)2 1. School of Chemical Engineering, Beijing Institute... successfully to recycle spent lithium-ion batteries and to synthesize LiNi1/3Co1/3Mn1/3O2. When ultrasonic treatment with 2-nitroso-4-methylphenol(NMP) at 40 ℃ for 15 min, the electrode materials......
resource[1]. Many industrial sub-products have been investigated and used for vanadium recovery, including oil fly ash[2-4], spent catalyst[5-8] and petroleum coke[9]. HOLLOWAY and ETSELL[3] reported... of spent hydro-processing catalyst from the SK Petroleum Corp in South Korea is 7.7%-10.3%. Vanadium-bearing black shale (also called stone coal) is an alternative resource of vanadium in China......
rare earth from spent FCC catalyst using P507 (HEH/EHP) as extractant HE Han-wei, MENG-Jia (State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: Spent FCC catalyst contains more than 2% rare earth (RE) elements rich of lanthanum or cerium, and solution of rare earth chloride containing rare earth elements and non-RE impurity was obtained......
烧水浸渣中硫酸浸取钴的动力学研究[J]. 中南大学学报: 自然科学版, 2010, 41(1): 21-26.FENG Qi-ming, SHAO Yan-hai, OU Le-ming, ZHANG Guo-fan, LU Yi-ping. Leaching kinetics of cobalt from roasting-dissolving residue of spent catalyst... of Education Hunan, Central South University, Changsha 410083, China) Abstract: Cobalt in spent lithium-ion battery was leached out in sulfuric acid using the cathode bar as cathode and lead plate as anode......