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青藏高原地区典型选矿药剂自然降解特性

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王春英, 罗仙平, 祝思频, 吴敏, 刘俊. 青藏高原地区典型选矿药剂自然降解特性[J]. 环境化学, 2018, 37(5): 1013-1021. doi: 10.7524/j.issn.0254-6108.2017072406
引用本文: 王春英, 罗仙平, 祝思频, 吴敏, 刘俊. 青藏高原地区典型选矿药剂自然降解特性[J]. 环境化学, 2018, 37(5): 1013-1021. doi: 10.7524/j.issn.0254-6108.2017072406
shu
WANG Chunying, LUO Xianping, ZHU Sipin, WU Min, LIU Jun. Natural degradation of typical beneficiation reagents on the Qinghai-Tibet plateau[J]. Environmental Chemistry, 2018, 37(5): 1013-1021. doi: 10.7524/j.issn.0254-6108.2017072406
Citation: WANG Chunying, LUO Xianping, ZHU Sipin, WU Min, LIU Jun. Natural degradation of typical beneficiation reagents on the Qinghai-Tibet plateau[J]. Environmental Chemistry, 2018, 37(5): 1013-1021. doi: 10.7524/j.issn.0254-6108.2017072406
shu

青藏高原地区典型选矿药剂自然降解特性

  • 1.

    西部矿业股份有限公司博士后科研工作站, 西宁, 810000;

  • 2.

    青海省高原矿物加工工程与综合利用重点实验室, 西宁, 810006;

  • 3.

    江西理工大学资源与环境工程学院, 赣州, 341000;

  • 4.

    江西省矿冶环境污染控制重点实验室, 赣州, 341000

  • 基金项目:

    中国博士后科学基金（2015M582776XE，2016T90967），江西理工大学矿业工程省高水平学科立项科研项目（3304000008）和江西理工大学清江青年英才支持计划项目资助.

Natural degradation of typical beneficiation reagents on the Qinghai-Tibet plateau

  • 1.

    Post-doctoral scientific research workstation of Western Mining co., LTD., Xining, 810000, China;

  • 2.

    Key Laboratory of Mineral Processing and Comprehensive Utilization in Qinghai Province, Xining, 810006, China;

  • 3.

    College of Resource and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, China;

  • 4.

    Jiangxi Key Laboratory of Mining & Metallurgy Environmental Pollution Control, Ganzhou, 341000, China

  • Fund Project: Supported by China's Postdoctoral Science Fund (2015M582776XE, 2016T90967), Jiangxi Province High-level Discipline of Mining Engineering Program (3304000008) and Program of Qingjiang Excellent Young Talents, JXUST.

  • 摘要: 为了研究青藏高原地区光照对有色金属矿浮选废水中多种有机药剂自然降解的影响，于2016年7月至2017年4月按季节分4个实验阶段（第Ⅰ阶段：2016年7月和8月；第Ⅱ阶段：2016年10月；第Ⅲ阶段：2017年1月；第Ⅳ阶段：2017年4月）开展酯-105、苯甲羟肟酸（GYB）、Z-200、乙硫氮及丁铵黑药的室内外降解特性研究，每个阶段持续20 d.结果表明，Z-200、乙硫氮在无太阳光照的条件下能够自然降解，且不受季节变化的影响；太阳辐照对酯-105、乙硫氮作用明显，乙硫氮在室外太阳辐照条件下两天可去除近100%；GYB和丁铵黑药因其含有稳定的芳香环或者较长的碳链，受太阳辐照的影响较小；青藏高原地区冬季的自然冻融对GYB和Z-200的去除有一定影响.通过分析发现：即使乙硫氮在两天内有近100%的去除，其矿化率在光照20 d后仍不及50%；各含氮有机物均可生成一定的NO3-.试验结果为高原地区废水中残余选矿药剂的处理提供参考.
    Abstract: Due to the advantages of solar radiation on the Qinghai-Tibet plateau, natural degradation of 5 beneficiation reagents (ester-105, GYB, Z-200, diethyldithiocarbamate and ammonium din-butyl dithiophosphate) was investigated. There were four experimental stages by season (ⅰ:July and August in 2016; ⅱ:October in 2016; ⅲ:January in 2017; ⅳ:April in 2017). The results revealed different degradation characteristics for the 5 reagents. Z-200 and diethyldithiocarbamate both had strong natural degradation ability through the year, even without the solar radiation. The solar radiation had significant effect on the degradation of Ester-105 and diethyldithiocarbamate, and the removal efficiency of diethyldithiocarbmate was close to 100% in two days during outdoor experiment. By contrast, the solar radiation almost had no effect on the degradation of GYB and ammonium dibutyl dithiophosphate. In addition, freeze-thaw showed obvious effect on the degradation of GYB and Z-200 in stage ⅲ. The total organic carbon (TOC) of every reagent decreased at the end of each stage to some degree. For example, the TOC removal efficiency of diethyldithiocarbmate was below 50% while the removal efficiency of diethyldithiocarbmate was up to 100% under solar radiation. The natural degradation experiment might provide a reference for the treatment of beneficiation wastewater on Qinghai-Tibet plateau.
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  • 收稿日期:  2017-07-24
  • 刊出日期:  2018-05-15
王春英, 罗仙平, 祝思频, 吴敏, 刘俊. 青藏高原地区典型选矿药剂自然降解特性[J]. 环境化学, 2018, 37(5): 1013-1021. doi: 10.7524/j.issn.0254-6108.2017072406
引用本文: 王春英, 罗仙平, 祝思频, 吴敏, 刘俊. 青藏高原地区典型选矿药剂自然降解特性[J]. 环境化学, 2018, 37(5): 1013-1021. doi: 10.7524/j.issn.0254-6108.2017072406
shu
WANG Chunying, LUO Xianping, ZHU Sipin, WU Min, LIU Jun. Natural degradation of typical beneficiation reagents on the Qinghai-Tibet plateau[J]. Environmental Chemistry, 2018, 37(5): 1013-1021. doi: 10.7524/j.issn.0254-6108.2017072406
Citation: WANG Chunying, LUO Xianping, ZHU Sipin, WU Min, LIU Jun. Natural degradation of typical beneficiation reagents on the Qinghai-Tibet plateau[J]. Environmental Chemistry, 2018, 37(5): 1013-1021. doi: 10.7524/j.issn.0254-6108.2017072406
shu

青藏高原地区典型选矿药剂自然降解特性

  • 1.  西部矿业股份有限公司博士后科研工作站, 西宁, 810000;
  • 2.  青海省高原矿物加工工程与综合利用重点实验室, 西宁, 810006;
  • 3.  江西理工大学资源与环境工程学院, 赣州, 341000;
  • 4.  江西省矿冶环境污染控制重点实验室, 赣州, 341000
  • 收稿日期:  2017-07-24
基金项目:

中国博士后科学基金（2015M582776XE，2016T90967），江西理工大学矿业工程省高水平学科立项科研项目（3304000008）和江西理工大学清江青年英才支持计划项目资助.

摘要: 为了研究青藏高原地区光照对有色金属矿浮选废水中多种有机药剂自然降解的影响，于2016年7月至2017年4月按季节分4个实验阶段（第Ⅰ阶段：2016年7月和8月；第Ⅱ阶段：2016年10月；第Ⅲ阶段：2017年1月；第Ⅳ阶段：2017年4月）开展酯-105、苯甲羟肟酸（GYB）、Z-200、乙硫氮及丁铵黑药的室内外降解特性研究，每个阶段持续20 d.结果表明，Z-200、乙硫氮在无太阳光照的条件下能够自然降解，且不受季节变化的影响；太阳辐照对酯-105、乙硫氮作用明显，乙硫氮在室外太阳辐照条件下两天可去除近100%；GYB和丁铵黑药因其含有稳定的芳香环或者较长的碳链，受太阳辐照的影响较小；青藏高原地区冬季的自然冻融对GYB和Z-200的去除有一定影响.通过分析发现：即使乙硫氮在两天内有近100%的去除，其矿化率在光照20 d后仍不及50%；各含氮有机物均可生成一定的NO3-.试验结果为高原地区废水中残余选矿药剂的处理提供参考.

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