水热硫化技术应用在回收重金属废渣中金属资源的基础研究
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- 英文论文题名：The basic research on the hydrothermal sulfidation of heavy metal containing waste for metal recovery
- 论文作者：宋雨夏 ; 周波生 ; 柯勇 ; 闵小波
- 英文论文作者：SONG Yu-xia ; ZHOU Bosheng ; KE Yong ; MIN Xiao-bo ; School of Metallurgy and Environment ; Central South University ; Chinese National Engineering Research Center for Control and Treatment of Heavy Metal Pollution
- 年：2016
- 作者机构：中南大学冶金与环境学院;国家重金属污染防治工程技术研究中心;
- 论文关键词：重金属废渣 ; 水热硫化 ; 硫磺歧化反应 ; 晶体结构
- 英文论文关键词：heavy metal containing waste ; hydrothermal condition ; disproportionation reaction of sulfur ; crystal structure
- 会议召开时间：2016-12-01
- 会议录名称：第六届重金属污染防治及风险评价研讨会暨重金属污染防治专业委员会2016年学术年会论文集
- 语种：中文
- 分类号：X705
- 学会代码：HJKP
- 会议名称：第六届重金属污染防治及风险评价研讨会暨重金属污染防治专业委员会2016年学术年会
- 会议地点：中国福建厦门
- 主办单位：中国环境科学学会
- 学会名称：中国环境科学学会
- 页数：9
- 文件大小：1450k
- 原文格式：D
- 会议级别：全国
摘要
废渣中的重金属能在水热条件下与硫磺发生反应,生成可浮性好的金属硫化物。通过采用后续的浮选工艺,可以将重金属硫化物进行富集,实现重金属的资源化回收。该方法体现了一种重金属废渣资源化的新思路。本文以某冶炼废水处理工段所产生的废水中和渣为处理对象,采用水热硫化对其进行处理,并对水热硫化回收金属工艺中相关基础理论进行探讨。研究从水热体系下硫元素赋存状态,中和渣水热硫化过程特征,以及水热合成硫化锌晶体结构及生长规律等三个方面展开论述。本文可以为水热硫化工艺的发展和利用提供研究基础和科学依据。
The heavy metal in the waste can react with sulfur and be converted to metal sulfide with good floatability through the hydrothermal sulfidation. For metal recovery,the synthetic metal sulfide can be enriched through subsequent flotation process. It is a novel way for the recovery of heavy metal from the slag. In this paper, the neutralization sludge, produced after heavy-metal-contained waste water treatment, was sulfidized in hydrothermal condition. The basic research on the hydrothermal sulfidation of heavy metal containing waste for metal recovery was carried out. The research involved three aspects, including the occurrence of sulfur in hydrothermal condition, the feature of hydrothermal sulfidation process of neutralization sludge, and the crystal structure and crystallization of synthetic zinc sulfide. Scientific foundation could be provided for the development and utilization of hydrothermal sulfidation technology.
The heavy metal in the waste can react with sulfur and be converted to metal sulfide with good floatability through the hydrothermal sulfidation. For metal recovery,the synthetic metal sulfide can be enriched through subsequent flotation process. It is a novel way for the recovery of heavy metal from the slag. In this paper, the neutralization sludge, produced after heavy-metal-contained waste water treatment, was sulfidized in hydrothermal condition. The basic research on the hydrothermal sulfidation of heavy metal containing waste for metal recovery was carried out. The research involved three aspects, including the occurrence of sulfur in hydrothermal condition, the feature of hydrothermal sulfidation process of neutralization sludge, and the crystal structure and crystallization of synthetic zinc sulfide. Scientific foundation could be provided for the development and utilization of hydrothermal sulfidation technology.
引文
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[4]D Kuchar,T Fukuta,MS Onyango,et al.Sulfidation of zinc plating sludge with Na2S for zinc resource recovery[J].Journal of Hazardous Materials,2006,137(1):185-191.
[5]Li Yong,Wang Ji-kun,Wei Chang,et al.Sulfidation roasting of low grade lead-zinc oxide ore with elemental sulfur[J].Minerals Engineering,2010,23(7):563-566.
[6]F Rashchi,A Dashti,et al.Anglesite flotation:a study for lead recovery from zinc leach residue[J].Minerals Engineering,2005,18(2):205-212.
[7]Fa Keqing,Miller Jan,Jiang Tao,et al.Sulphidization flotation for recovery of lead and zinc from oxide-sulfide ores[J].Transactions of Nonferrous Metals Society of China,2005,15(5):1138-1144.
[8]Vanthuyne,M A Maes.The removal of heavy metals from contaminated soil by a combination of sulfidisation and flotation[J].Science of the Total Environment,2002,269(1-3):69-80.
[9]Miettinen,T J Ralston,D Fornasiero.The limits of fine particle flotation[J].Minerals Engneering,2010,23:420-437.
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[13]Cheng Zhi-guo,Si Da-jie,Geng Bao-you.Controlled synthesis of copper sulfide 3D nanoarchitectures through a facile hydrothermal route[J].Journal of Alloys and Compounds,2010,492:L44–L49.
[14]Liang Yan-Jie,CHAI Li-yuan,Liu Hui,et al.Hydrothermal suldation of zinc-containing neutralization sludge for zinc recovery and stabilization[J].Minerals Engineering,2012,25:14-19.
[15]刘巽伯.胶凝材料:水泥、石灰、石膏的生产和性能[M].上海:同济大学出版社,1990:17.LIU Xun-bo.Binding materials:production and properties of cement,lime and gypsum[M].Shanghai:Tongji University press,1990:17.
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[18]冯仪,马天翼,刘蕾等.无机纳米晶的形貌调控及生长机理研究[J].中国科学,2009.FENG Yi,MA Tian-yi,LIU Lei,et al.Insights into shape control and growth mechanism of inorganic nanocrystals[J].Science in China,2009.
[19]Kuppayee,M,GKV Nachiyar,and V Ramasamy,Synthesis and characterization of Cu2+doped Zn S nanoparticles using TOPO and SHMP as capping agents[J].Applied Surface Science,2011,257:6779–6786.
[20]施尔畏.水热结晶学[M].北京:科学出版社,2004.SHI Er-wei.Hydrothermal Crystallography[M].Beijing:Science Press,2004.
[21]LIU Xiao-wen,HU Yue-hua,JIANG Hao,et al.Qiu Guan-zhou Crystal structure and surface property of kaolinite in hard kaolins and soft kaolins.The Chinese journal of nonferrous metals.0609(2001)04—0684.
[2]刘清,招国栋,赵由才.有色冶金废渣中有价金属回收的技术及现状[J].有色冶金设计与研究,2007,23(28):22-26.LIU Qing,ZHAO Guo-dong,ZHAO You-cai.Technologies and Current Situation of Valuable Metal Recovery from Nonferrous Metallurgical Waste Slag[J].Design and research of nonferrous metallurgy.2007,23(28):22-26.
[3]D Kuchar,T Fukuta,MS Onyango,et al.Sulfidation treatment of copper-containing plating sludge towards copper resource recovery[J].Journal of Hazardous Materials,2006.138(1):86-94.
[4]D Kuchar,T Fukuta,MS Onyango,et al.Sulfidation of zinc plating sludge with Na2S for zinc resource recovery[J].Journal of Hazardous Materials,2006,137(1):185-191.
[5]Li Yong,Wang Ji-kun,Wei Chang,et al.Sulfidation roasting of low grade lead-zinc oxide ore with elemental sulfur[J].Minerals Engineering,2010,23(7):563-566.
[6]F Rashchi,A Dashti,et al.Anglesite flotation:a study for lead recovery from zinc leach residue[J].Minerals Engineering,2005,18(2):205-212.
[7]Fa Keqing,Miller Jan,Jiang Tao,et al.Sulphidization flotation for recovery of lead and zinc from oxide-sulfide ores[J].Transactions of Nonferrous Metals Society of China,2005,15(5):1138-1144.
[8]Vanthuyne,M A Maes.The removal of heavy metals from contaminated soil by a combination of sulfidisation and flotation[J].Science of the Total Environment,2002,269(1-3):69-80.
[9]Miettinen,T J Ralston,D Fornasiero.The limits of fine particle flotation[J].Minerals Engneering,2010,23:420-437.
[10]Robb,LJ,ed.Introduction to ore-forming processes.2005,Blackwell Science,Carlton,VIC,Australia.
[11]Masoud Salavati-Niasari,MRL-E,Fatemeh Davarb.Controllable synthesis of wurtzite Zn S nanorods through simple hydrothermal method in the presence of thioglycolic acid[J].Journal of Alloys and Compounds,2009,475:782–788.
[12]K Byrappa a,T Adschiri.Hydrothermal technology for nanotechnology[J].Progress in Crystal Growth and Characterization of Materials[J],2007,53:117-166.
[13]Cheng Zhi-guo,Si Da-jie,Geng Bao-you.Controlled synthesis of copper sulfide 3D nanoarchitectures through a facile hydrothermal route[J].Journal of Alloys and Compounds,2010,492:L44–L49.
[14]Liang Yan-Jie,CHAI Li-yuan,Liu Hui,et al.Hydrothermal suldation of zinc-containing neutralization sludge for zinc recovery and stabilization[J].Minerals Engineering,2012,25:14-19.
[15]刘巽伯.胶凝材料:水泥、石灰、石膏的生产和性能[M].上海:同济大学出版社,1990:17.LIU Xun-bo.Binding materials:production and properties of cement,lime and gypsum[M].Shanghai:Tongji University press,1990:17.
[16]Cullity,BD,ed.Elements of X-ray Diffraction second ed.1997,Addison-Wesley.
[17]仲维卓,华素坤著.晶体生长形态学[M].北京:科学出版社,1999:178.HONG Wei-zhou,HUA Sou-kun.Crystal growth and morphological.Beijing:Science Press,1999.178.
[18]冯仪,马天翼,刘蕾等.无机纳米晶的形貌调控及生长机理研究[J].中国科学,2009.FENG Yi,MA Tian-yi,LIU Lei,et al.Insights into shape control and growth mechanism of inorganic nanocrystals[J].Science in China,2009.
[19]Kuppayee,M,GKV Nachiyar,and V Ramasamy,Synthesis and characterization of Cu2+doped Zn S nanoparticles using TOPO and SHMP as capping agents[J].Applied Surface Science,2011,257:6779–6786.
[20]施尔畏.水热结晶学[M].北京:科学出版社,2004.SHI Er-wei.Hydrothermal Crystallography[M].Beijing:Science Press,2004.
[21]LIU Xiao-wen,HU Yue-hua,JIANG Hao,et al.Qiu Guan-zhou Crystal structure and surface property of kaolinite in hard kaolins and soft kaolins.The Chinese journal of nonferrous metals.0609(2001)04—0684.
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