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-gan, LI Min-ting. Preparation of large-sized scorodite based on arsenic and iron hydrothermal co-precipitation[J]. The Chinese Journal of Process Engineering, 2018, 18(1): 126-132. [42] KITAMURA Y... Xiao-bo, CHAI Li-yuan, SHI Mei-qing, TANG Chong-jian, WANG Qing-wei, LIANG Yan-jie, LEI Jie, LIYANG Wen-Jun. Co-treatment of gypsum sludge and Pb/Zn smelting slag for the solidification of sludge......
Metallurgical Quarterly, 2001, 40(4): 395-420. [14] CUI J, DU Y G, XIAO H X, YI Q S, DU D Y. A new process of continuous three-stage co-precipitation of arsenic with ferrous iron and lime [J... 2020 Abstract: The alkaline leaching of arsenic (As2O3) by Na2S, together with its precipitation by Fe2(SO4)3 was studied. Response surface methodology based on central composite design was employed......
and funding acquisition. Conflict of interest All authors declare that they have no conflict of interest. References [1] DUTRIZAC J E, DINARDO O. The co-precipitation of copper and zinc with lead jarosite [J......
. The data show that optimal variant was achieved in experiment 6 (ratio S:VL=1:3, HF and HNO3 consumption 120% of stoichiometry). At precipitation of lead nitrate from filtrates by sulfuric acid co... decomposes first, then accessory impurities decompose, and these impurities bind fluoride-ions. Lack of the latter leads to hydrolysis and precipitation of Та(V) at high temperature. Decomposition......
. Influence of heat treatment on microstructures and magnetic properties of Fe-based soft magnetic composites prepared by co-precipitation method [J].Journal of Magnetism and Magnetic Material,2019, 476......
]. Green Chemistry, 2013, 15(5): 1183-1191. [97] HE Lipo, SUN Shuying, YU Jianguo. Performance of LiNi1/3Co1/3Mn1/3O2 prepared from spent lithium-ion batteries by a carbonate co-precipitation method[J...电池组分复杂,在机械处理过程中相互干扰,不可能实现各个组分的完全分离.SHIN等[9]对废旧LiCoO2电池放电后通过控制破碎粒径筛分得到不同粒径范围的碎屑,对这些碎屑成分进行分析得出Fe和Al的含量随着碎屑粒径降低而降低,而Co的含量呈现出相反的变化趋势. 在机械破碎分选过程中,为了提高活性物质粉末的回收率,必须通过2次甚至3次破碎降低碎屑粒径的方式实现,但这样势必会增大分选难度,降低分离组分的......
effectively adsorb As, whilst the mechanism of adsorption and co-precipitation allows for arsenite and arsenate to maintain their original redox states on the surface of the iron oxide and form inner.... Treatment C: 120 mg/kg As; 120 mg/kg As+1 vol% FeOS; 120 mg/kg As+0.5 vol% FeOS. The N, P and K (N as CO(NH2)2 at 0.2 g/kg N, P as CaH2PO4·H2O at 0.15 g/kg P2O5 and K as KCl at 0.2 g/kg K2O) were applied......
, L C Y, et al. Recovery of a composite powder from NdFeB slurry by co-precipitation[J]. Hydrometallurgy, 2014, 150: 27-33. [48] JUDGEA W D, AZIMI G. Recent progress in impurity removal during rare...势,为我国NdFeB永磁废料中稀土元素绿色高效循环利用提供借鉴. 1 NdFeB永磁材料及废料来源 1.1 NdFeB永磁材料 进入20世纪后,永磁材料得到了飞速发展,图2所示不同时期永磁材料及其磁能积的关系[17-18].其中,稀土永磁体材料经历了SmCo5为代表的第一代,Sm-Co为代表的第二代及Nd2Fe14B为代表的永磁合金.由于Co价格过于昂贵,严重制约第一和第二......