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J. Cent. South Univ. (2018) 25: 2190-2198 DOI: https://doi.org/10.1007/s11771-018-3907-4 Benzohydroxamic acid to improve iron removal from potash feldspar ores CAO Zhan-fang(曹占芳)1, 2, QIU Pei(邱培)1... the benzohydroxamic acid can not only increase the recovery of iron and reduce the consumption of oleic acid collector, but also enhance the collecting performance of oleic acid at low temperature, which can......
Trans. Nonferrous Met. Soc. China 26(2016) 3253-3257 Effect and mechanism of octanol in cassiterite flotation using benzohydroxamic acid as collector Lei SUN, Yue-hua HU, Wei SUN School of Minerals... benzohydroxamic acid (BHA) as a collector was investigated. The adsorption mechanism of octanol and BHA on the surface of cassiterite was analyzed by adsorption experiments and infrared spectra analysis. Micro......
pH调整剂(盐酸,氢氧化钠)等试剂为分析纯.实验所用水为一次蒸馏水. 图1 苯甲羟肟酸分子结构式 Fig. 1 Chemical structure of benzohydroxamic acid 1.2 浮选实验 浮选实验是在容积为40 mL的XFG型挂槽式浮选机上进行,每次实验矿量为2.00 g,浮选温度为15 ℃,浮选实验流程图见图2.使用PHS-3C型精... cm-1,1456.0 cm-1出现苯环骨架特征峰.1074.1 cm-1,1045.2 cm-1,1022.1 cm-1为N-O振动分裂的3个吸收峰,1162.9 cm-1为C-N伸缩振动峰[15]. 图6 BHA的红外光谱 Fig. 6 Infrared spectra of benzohydroxamic acid 图7所示为苯甲羟肟酸铅盐,铁盐,锰盐的红外光谱......
(BHOA) was prepared by mixing benzohydroxamic acid (BHA) and sodium oleate (NaOL) and applied to the flotation separation of smithsonite from dolomite. Flotation results showed that NaOL alone had good... in the presence of BHOA. Key words: flotation; smithsonite; dolomite; sodium oleate; benzohydroxamic acid; sulfuration 1 Introduction Flotation is the most effective pretreatment technique for zinc oxide ores......
was only determined by reagent performance, which has nothing to do with particle size. Key words: scheelite; flotation; sodium oleate; benzohydroxamic acid; particle size; combined reagents 1...], and wolfram [11]. Recently, benzohydroxamic acid (BHA), a kind of hydroxamates, has been applied to scheelite flotation [12]. It was worth mentioning that BHA was usually combined with carboxylic acid......
. Selective flotation of cassiterite with benzohydroxamic acid [J]. Minerals Engineering, 2006, 19(14): 1410-1417. [10] FUERSTENAU D W, PRADIP. Zeta potentials in the flotation of oxide and silicate minerals...J. Cent. South Univ. (2012) 19: 1711-1717 DOI: 10.1007/s11771-012-1197-9 Adsorption mechanism of mixed salicylhydroxamic acid and tributyl phosphate collectors in fine cassiterite electro-flotation......
Inhibition mechanism of aspartic acid on crystal growth of hydroxyapatite HUANG Su-ping(黄苏萍), ZHOU Ke-chao(周科朝), LI Zhi-you(李志友) State Key Laboratory of Powder Metallurgy, Central South...; Abstract: The effects of aspartic acid on the crystal growth, morphology of hydroxyapatite(HAP) crystal were investigated, and the inhibition......
Pressure acid leaching of zinc sulfide concentrate GU Yan(古 岩), ZHANG Ting-an(张廷安), LIU Yan(刘 燕), MU Wang-zhong(牟望重), ZHANG Wei-guang(张伟光),DOU Zhi-he(豆志河), JIANG Xiao-li(蒋孝丽) Key... temperature, solid-to-liquid ratio and additive amount on pressure acid leaching process of the zinc sulfide concentrate were studied. The results indicate that the additive can improve the reaction......
Synergistic extraction of cerium from sulfuric acid medium using mixture of 2-ethylhexyl phosphonic acid mono 2-ethylhexyl ester and Di-(2-ethyl hexyl)phosphoric acid as extractant LIU Ying1,HUANG... 100088, China) Abstract:Synergistic extraction of cerium(IV) from sulfuric acid medium using mixture of 2-ethylhexyl phosphonic acid mono 2-ethylhexyl ester(HEH/EHP, HL) and Di-(2-ethyl hexyl......
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