铜钼分离抑制剂分子生命周期评价
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摘要
针对选矿药剂对环境影响较大的问题,首次利用生命周期评价技术,建立了铜钼分离抑制剂NaHS与BK511生命周期排放评价模型,并对比二者的生命周期排放评价指标。研究表明:BK511产品毒性低,用量少,采用一锅法制备技术,生产和制备过程不产生三废,使用过程有害物质排放少,说明与NaHS比较,BK511生命周期排放综合外部成本降低,对环境影响小。从产品抑制性能及降低生命周期排放角度两个方面证明,BK511是清洁、高效的铜钼分离抑制剂,是NaHS优良的替代物。
Aiming at the problem that some of flotation agents have a great impact on the environment,this paper establishes the life cycle emission evaluation model of the copper and molybdenum separation inhibitors NaHS and BK511,and compares the life cycle emission evaluation indexes of NaHS with the indexes of BK511 by using life cycle evaluation technology for the first time.The results showed that:compared with NaHS,applying one-pot synthetic technology,the preparation and production process of BK511 does not produce any pollution.Less waste discharged during the flotation process with lower toxicity and less reagent dosage indicates BK511 has comprehensively better external life cycle footprint.BK511 is proved to be a clean and high-efficiency copper-molybdenum separation inhibitors and an excellent substitute for NaHS in terms of product inhibition performance and life cycle emission.
Aiming at the problem that some of flotation agents have a great impact on the environment,this paper establishes the life cycle emission evaluation model of the copper and molybdenum separation inhibitors NaHS and BK511,and compares the life cycle emission evaluation indexes of NaHS with the indexes of BK511 by using life cycle evaluation technology for the first time.The results showed that:compared with NaHS,applying one-pot synthetic technology,the preparation and production process of BK511 does not produce any pollution.Less waste discharged during the flotation process with lower toxicity and less reagent dosage indicates BK511 has comprehensively better external life cycle footprint.BK511 is proved to be a clean and high-efficiency copper-molybdenum separation inhibitors and an excellent substitute for NaHS in terms of product inhibition performance and life cycle emission.
引文
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[14]李雪迎,拜冰阳,谢明辉,等.介孔MnO2催化剂的生命周期评价[J].环境工程,2018,36(1):152-156.
[15]殷仁述,杨沿平,杨阳,等.车用钛酸锂电池生命周期评价中国环境科学[J].2018,38(6):2371-2381.
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[18]吴桂叶,徐连华,王金玲,等.某铜钼混合精矿分离铜抑制剂筛选[J].金属矿山,2015,(1):50-53.
[19]吴桂叶,刘慧南,刘崇峻,等.片段组装技术研发铜钼分离高效抑制剂[J].矿产保护与利用,2018(3):70-73,80.
[2]陶坤,魏明安.巯基乙酸选择性抑制机理的分子模拟研究[J].矿冶,2011(2):15-19.
[3]林春元.钼矿选矿与深加工[M].北京:冶金工业出版社,1996,1-65.
[4]黄瑞强,阮英华,雷主生,等.丰山铜矿铜钼分离抑制剂D8应用小型试验研究[J].矿冶,2014,23(6):22-26.
[5]杨世亮,石玉君,王越,等.高效合成铜抑制剂在铜钼分离中的应用[J].有色金属(选矿部分),2017(1):82-85.
[6]欧乐明,冯其明,陈建华,等.铜钼混合精矿体系中黄铜矿新型抑制剂的研究[J].矿冶工程,1998,18(1):34-37.
[7]刘伟,李杨,付启敏.基于循环经济的化工产品生命周期设计[J].科技管理研究,2008(6):336-339.
[8]SETAC.A technical frame framework for life cycle assessment[R].Brussels,Belgium:SETAC,1993.
[9]International Standard Organisation(ISO).ISO 14040Environmental management-life cycle assessment:principles and framework[S].Geneva,Switzerland:ISO,2006.
[10]International Standard Organisation(ISO).ISO 14044Environmental management-life cycle assessment:principles and framework[S].Geneva,Switzerland:ISO,2006.
[11]郑秀君,胡彬.我国生命周期评价(LCA)文献综述及国外最新研究进展[J].科技进步与对策,2013,30(6):155-160.
[12]DAHLBEN L J,ECKELMAN M J,HAKIMIAN A,et al.Environmental life cycle assessment of a carbon nanotube-enabled semiconductor device[J].Environmental Science&Technology,2013,47(15):8471-8478.
[13]ANDRAE A S G,ITSUBO N,YAMAGUCHI H,et al. Life cycle assessment of Japanese hightemperature conductive adhesives[J].Environmental Science&Technology,2008,42(8):3084-3089.
[14]李雪迎,拜冰阳,谢明辉,等.介孔MnO2催化剂的生命周期评价[J].环境工程,2018,36(1):152-156.
[15]殷仁述,杨沿平,杨阳,等.车用钛酸锂电池生命周期评价中国环境科学[J].2018,38(6):2371-2381.
[16]陈亮,黄进,杨建新,等.环境管理:生命周期评价要求与指南:GB/T 24044-2008[S].北京:中国标准出版社,2008.
[17]闫志国,钱宇.化工产品生命周期设计的理论和方法[J].现代化工,2004,24(8):63-65.
[18]吴桂叶,徐连华,王金玲,等.某铜钼混合精矿分离铜抑制剂筛选[J].金属矿山,2015,(1):50-53.
[19]吴桂叶,刘慧南,刘崇峻,等.片段组装技术研发铜钼分离高效抑制剂[J].矿产保护与利用,2018(3):70-73,80.
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