.984 北京科技大学学报 第35卷 矿中金属铁大部分以铁连晶的形态与斜硅钙石嵌布 紧密 6 4.0 位置A 1.6 3.5 位置B Si 位置C 3.0 1.4 3.0 Ca 2.5 1.2 多 2.5 2.0 1.0 Fe 2.0 08 1.5 1.5 O Mg Ca 0.6 1.0 1.0 0.4 M 0.5 0.53 0.2 Ba 0.0 0.03 0.0 4 2 4 2 .5 能量/keV 能量/keV 能量/keV A一金属铁；B一斜硅钙石；C一硫硅钙石 图5图4中各位置的能谱 Fig.5 EDS spectra of different points in Fig.4 参考文献 Uniu,2005,26(12):58 (龙来寿，梁凯，奚长生.利用硫酸渣生产铁精矿的研究.韶 [1]Zhang X N,Wang H F.The sulfuric acid-industry infor- 关学院学报.2005,26(12)：58) mation collection of China in 1995.Sulphuric Acid Ind, [8]Zhu D Q,Li J,Li Q C,et al.Preparation of high qual- 1996(5):17 ity magnetite concentrate from pyrite cinder by composite (张兴南，王海帆.1995年我国硫酸工业信息汇编.疏酸工 pellet reduction-roasting and magnetic-separation.Chin 业，1996(5)：17) J Nonferrous Met,2007,17(4):649 [2]Yu S J,Zhan X.Development and utilization of sulfuric (朱德庆，李建，李青春，等.硫酸渣复合球团还原焙烧法制 acid slag as ironmaking raw materials.Sichuan Metall, 备高品位磁铁精矿.中国有色金属学报，2007,17(4)：649) 1994,16(4):1 [9]Halfyard J E,Hawboldt K.Separation of elemental sulfur (喻世杰詹星.开发利用硫酸渣作炼铁原料.四川冶金， from hydrometallurgical residue:a review.Hydrometal- 1994,16(4:1) ur94,2011,109(1/2):80 [3]Liu S G,Ge H C,Li J J,et al.An experimental study of [10 Steel A.Hawboldt K.Khan F.Assessment of minerals and magnetic separation for integrated utilize of sulfuric acid iron-bearing phases present in hydrometallurgical residues residue.Nonferrous Min Metall,2005,21(Suppl 1):11 from a nickel sulfide concentrate and availability of residue (胡术刚，葛会超，李静静，等.硫酸渣综合回收磁选探索试 associated metals.Hydrometallurgy,2010,111(3/4):80 验.有色矿业，2005,21（增刊1）：11) [11]Sohn H Y,Kim B S.A new process for converting SO2 [4]Liu Y T.Reuse of sulfate residues.Environ Eng,1995, to sulfur without generating secondary pollutants through 13(2):60 reactions involving CaS and CaSO4.Environ Sci Technol, (田玉清.硫酸渣的综合利用.环境工程，1995,13(2)：60) 2002,36(13):3020 (5]Li X X,Zhang Z H,Zhang G F,et al.Experimental study [12]Sun H,Sun T C,Liu Z H,et al.Influence of the reducing of magnetic separation for integrate utilize of vitriol cal- agent and desulfurizer on desulfurization from a sulfuric cigenous,China Min Mag,2005,14(9):70 acid residue by using direct reduction and roasting.J (李先祥，张宗华，张桂芳，等.硫酸烧渣综合利用磁选实验 Univ Sci Technol Beijing,2012,34(8):867 研究.中国矿业，2005,14(9)：70) (孙吴，孙体昌，刘占华，等.还原剂与脱硫剂对硫酸渣 [6]Wang Q L,Ning P,Chen S M,et al.Study on recovering 直接还原焙烧同步脱硫的影响.北京科技大学学报，2012， iron concentrate form pyrite cinders.Hunan Nonferrous 348):867) Met2006.22(2):4 [13]Sun H,Sun T C,Liu Z H,et al.Reducing roasting and (任全亮，宁平，陈述明，等.黄铁矿制酸烧渣生产铁精粉试 synchronized desulfurization of sulfuric acid slag.Met 验工艺研究.湖南有色金属，2006,22(2)：4) Mine,2011(Suppl):320 [7]Long L S,Liang K,XiC S.Experimental study on produc- (孙吴，孙体昌，刘占华，等.某硫酸渣直接还原培烧同步脱 tion of iron concentrate from pyrite cinder.J Shaoguan 硫工艺研究.金属矿山，2011（增刊）：320)· 984 · 北 京 科 技 大 学 学 报 第 35 卷 矿中金属铁大部分以铁连晶的形态与斜硅钙石嵌布 紧密. 图 5 图 4 中各位置的能谱 Fig.5 EDS spectra of different points in Fig. 4 参 考 文 献 [1] Zhang X N, Wang H F. The sulfuric acid-industry infor￾mation collection of China in 1995. Sulphuric Acid Ind, 1996(5): 17 (张兴南, 王海帆. 1995 年我国硫酸工业信息汇编. 硫酸工 业, 1996(5): 17) [2] Yu S J, Zhan X. Development and utilization of sulfuric acid slag as ironmaking raw materials. Sichuan Metall, 1994,16(4)：1 (喻世杰, 詹星. 开发利用硫酸渣作炼铁原料. 四川冶金, 1994, 16(4): 1) [3] Liu S G, Ge H C, Li J J, et al. An experimental study of magnetic separation for integrated utilize of sulfuric acid residue. Nonferrous Min Metall, 2005, 21(Suppl 1):11 (胡术刚, 葛会超, 李静静, 等. 硫酸渣综合回收磁选探索试 验. 有色矿业, 2005, 21(增刊 1): 11) [4] Liu Y T. Reuse of sulfate residues. Environ Eng, 1995, 13(2): 60 (田玉清. 硫酸渣的综合利用. 环境工程, 1995, 13(2): 60) [5] Li X X, Zhang Z H, Zhang G F, et al. Experimental study of magnetic separation for integrate utilize of vitriol cal￾cigenous, China Min Mag, 2005, 14(9): 70 (李先祥, 张宗华, 张桂芳, 等. 硫酸烧渣综合利用磁选实验 研究. 中国矿业, 2005, 14(9): 70) [6] Wang Q L, Ning P, Chen S M, et al. Study on recovering iron concentrate form pyrite cinders. Hunan Nonferrous Met, 2006, 22(2): 4 (王全亮, 宁平, 陈述明, 等. 黄铁矿制酸烧渣生产铁精粉试 验工艺研究. 湖南有色金属, 2006, 22(2): 4) [7] Long L S, Liang K, Xi C S. Experimental study on produc￾tion of iron concentrate from pyrite cinder. J Shaoguan Univ, 2005,26(12):58 (龙来寿, 梁凯, 奚长生. 利用硫酸渣生产铁精矿的研究. 韶 关学院学报, 2005,26(12):58) [8] Zhu D Q, Li J, Li Q C, et al. Preparation of high qual￾ity magnetite concentrate from pyrite cinder by composite pellet reduction-roasting and magnetic-separation. Chin J Nonferrous Met, 2007, 17(4): 649 (朱德庆, 李建, 李青春, 等. 硫酸渣复合球团还原焙烧法制 备高品位磁铁精矿. 中国有色金属学报, 2007, 17(4): 649) [9] Halfyard J E, Hawboldt K. Separation of elemental sulfur from hydrometallurgical residue: a review. Hydrometal￾lurgy, 2011, 109(1/2): 80 [10] Steel A, Hawboldt K, Khan F. Assessment of minerals and iron-bearing phases present in hydrometallurgical residues from a nickel sulfide concentrate and availability of residue associated metals. Hydrometallurgy, 2010, 111(3/4): 80 [11] Sohn H Y, Kim B S. A new process for converting SO2 to sulfur without generating secondary pollutants through reactions involving CaS and CaSO4. Environ Sci Technol, 2002, 36(13):3020 [12] Sun H, Sun T C, Liu Z H, et al. Influence of the reducing agent and desulfurizer on desulfurization from a sulfuric acid residue by using direct reduction and roasting. J Univ Sci Technol Beijing, 2012, 34(8): 867 (孙昊, 孙体昌, 刘占华, 等. 还原剂与脱硫剂对硫酸渣 直接还原焙烧同步脱硫的影响. 北京科技大学学报, 2012, 34(8): 867) [13] Sun H, Sun T C, Liu Z H, et al. Reducing roasting and synchronized desulfurization of sulfuric acid slag. Met Mine, 2011(Suppl): 320 (孙昊, 孙体昌, 刘占华, 等. 某硫酸渣直接还原焙烧同步脱 硫工艺研究. 金属矿山, 2011(增刊): 320)