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Modified calcination conditions of rare alkali metal Rb-containing muscovite(KAl2[AlSi3O10](OH)2)Zhi-Qiang Shan1,Xin-Qian Shu1,Ji-Fu Feng2,Wei-Ning Zhou21. School of Chemical and Environmental...="ChDivSummary">Muscovite mineral was roasted in different conditions.Rubidium leaching rate was a standard to examine the impact of various factors on calcination effect,including the agent types,roasting......
, it is difficult to extract nickel directly from spent catalyst by conventional acid leaching. According to Ref.[19], the catalyst was treated by the following steps: mixing spent catalyst with alkali...J. Cent. South Univ. Technol. (2009) 16: 0410-0415 DOI: 10.1007/s11771-009-0069-4 Kinetics of nickel leaching from roasting-dissolving residue of spent catalyst with sulfuric acid FENG Qi-ming......
Article ID: 1003-6326(2005)03-0697-05 Kinetics of oxidative leaching of ocean polymetallic nodules in molten potassium hydroxide medium WANG Yun-shan(王云山), LI Zuo-hu(李佐虎), LI Hao-ran(李浩然) (National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, China) Abstract: The kinetics of oxidative leaching of ocean......
Two-stage precipitation process of iron and arsenic from acid leaching solutions N. J. BOLIN, J. E. SUNDKVIST Boliden Mineral AB, SE-936 81 Boliden, SWEDEN Received 20 September...; Abstract: A leaching process for base metals recovery often generates considerable amounts of impurities such as iron and arsenic into the solution. It is a challenge to separate the non......
J. Cent. South Univ. (2018) 25: 543-549 DOI: https://doi.org/10.1007/s11771-018-3759-y Recycling and depolymerization of waste polyethylene terephthalate bottles by alcohol alkali hydrolysis SUN...), Central South University, Changsha 410083, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract: In this work, a novel alcohol alkali......
="ChDivSummary" name="ChDivSummary">In this work,a two-step zircon method to produce zirconium oxychloride was introduced,and the alkali fusion technique with NaOH and water leaching process were...A two-step zircon decomposition method to produce zirconium oxychloride:alkali fusion and water leachingJing Song1,Jing-Fei Fan1,Jing-Chong Liu2,Ran Liu2,Jing-Kui Qu1,Tao Qi11. National Engineering......
Alkali desilicated coal fly ash as substitute of bauxite in lime-soda sintering process for aluminum production BAI Guang-hui(白光辉)1, TENG Wei(滕 玮)2, WANG Xiang-gang(王香港)1, QIN Jin-guo... be classified into acidic, alkali, and acid-alkali methods[4-7]. The acidic method uses sulfuric acid[8], hydrochloric acid, hydrofluoric acid[9], or fly ash. The acidic method can produce organic acid......
Trans. Nonferrous Met. Soc. China 23(2013) 3770-3779 Water leaching kinetics and recovery of potassium salt from sintering dust Guang ZHAN, Zhan-cheng GUO State Key Laboratory of Advanced Metallurgy...-AES, SEM-EDS and XRD to examine the strengthening measures of leaching potassium salt from the sintering dust by water. The results showed that the main component of the sintering dust was iron......
, China, was adopted to investigate the recovery of alkali metals and leaching kinetics of lithium with sulphuric acid solution under atmospheric pressure. The results show that the recoveries of alkali... is only partially dissolved and reacted with sulphuric acid to form alkali metal sulphate and aluminium sulphate during acid leaching, and the amounts of alkali metals and aluminium in the residue......
. The feasible conditions for alumina digestion were as follows: leaching temperature 75 °C, leaching time 30 min, L/S ratio 4.5 (the ratio of volume to mass), caustic alkali concentration 7 g/L and sodium... Effect of Na2O on alumina leaching property and phase transformation of MgO-containing calcium aluminate slags WANG Bo, SUN Hui-lan, GUO Dong, ZHANG Xue-zheng School of Materials Science......
