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dust (mass fraction, %) As presented in Fig. 1, the XRD results suggest that lead sulfate (PbSO4) is the main mineral phase, and arsenic trioxide (As2O3), iron oxide (Fe2O3), magnetite (Fe3O4), copper......
H, REDDY B R, MOHAPATRA D, NAM C W. Hydrometallurgical processing and recovery of molybdenum trioxide from spent catalyst[J]. International Journal of Mineral Processing, 2006, 79(2): 261-265. [8......
. ZHENG Yajie, LUO Yuan, WANG Yong. Arsenic trioxide made by precipitation-reduction method from As-containing wastewater [J]. Journal of Central South University(Science and Technology), 2009, 40(1......
-浅白色,条粒状;孔洞-黑色,不规则 图7 单颗粒球团烧结矿中三氧化二铬结晶状况 Fig.7 Distribution of chromium trioxide crystal in granular pellet sinter 3 结论 (1) 铬铁精矿粒度大,成球性差,仅通过润磨预处理,生球强度只为4 N/个,远达不到要求,必须经过球磨机细磨,使其比表......
for 1 min in a solution prepared by using 50 g chromium trioxide (CrO3), 2.5 g silver nitrate (AgNO3) and 5 g barium nitrate(Ba(NO3)2) in 250 mL distilled water. These specimens were washed with distilled......
of vanadium trioxide at high pressure in sodium hydroxide-oxygen system [J]. Hydrometallurgy, 2011, 105: 350-354. [7] RAJAB V R. Vanadium market in the world [J]. Steel World, 2007, 13(2): 19-22. [8......
trioxide. The reactions are shown as follows [22,23]: SO2(g)+H2O=H2SO3(aq) (5......
, JIANG Da-wei, WANG Wei, YAN Ping. Extraction of cubic crystal antimony trioxide from dusts containing antimony[J]. Nonferrous Metals: Extractive Metallurgy, 2011, 5: 12-15. [2] 李 玲, 张国平, 刘 虹, 项 萌, 魏......
, 何晓梅, 谢华林. 从铅阳极泥中制备纳米三氧化二锑粉体的研究[J]. 武汉理工大学学报, 2006, 28(4): 14-16. HU Han-xiang, HE Xiao-mei, XIE Hua-lin. Research on preparation of nanometer antimony trioxide from lead anode slime[J]. Journal......
at 90 °C prepared by using 50 mL phosphoric acid (H3PO4, specific gravity of 1.69 g/cm3) and 20 g chromium trioxide (CrO3) and reagent water to make 1000 mL. If corrosion product films remain, rinse......