在使用铸造技术处理蜂蜡过程中铅、镉、砷和汞浓度的变化

I. Tlak Gajger, M. Kosanović, N. Bilandžić, M. Sedak, Bruno Čalopek
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引用次数: 9

摘要

摘要蜂蜡地基是现代集约化养蜂的必备材料。重金属可以在这些基础中积累数十年,因为回收蜂蜡是一种常见的养蜂做法。在蜂蜡基础的生产过程中,使用GFAAS对蜂蜡样品进行了砷、镉、铅和汞的浓度分析,该过程采用了长时间冷却和沉积阶段的铸造技术。双壁铸钢容器蜡和梳状地基蜡在加工阶段的As、Cd、Pb和Hg含量差异均显著(p<0.01)。梳状地基中检验金属的最终产品浓度(mg kg-1)范围如下:0.01-0.88;Cd 1.26 - -3.55;铅82.5-171,汞0.29-1.46。所有检测到的元素浓度在不同层中的分布和比例相似,从用于梳状地基的蜡料作为最终产品的层中的最低浓度到代表废物的沉积层中的最高浓度。所得结果表明,所述方法可以有效地消除用于生产新蜂蜡基础的初始材料中的大量重金属。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Variations in lead, cadmium, arsenic, and mercury concentrations during honeybee wax processing using casting technology
Abstract Beeswax foundations are a necessary material in intensive modern beekeeping. Heavy metals can accumulate in these foundations for decades, as it is a common beekeeping practice to recycle wax. Beeswax samples were analysed using GFAAS for As, Cd, Pb, and Hg concentrations during the production of beeswax foundations using casting technology with a prolonged cooling and sedimentation phase. Significant differences were determined in the concentrations of As, Cd, Pb (p<0.01, all), and Hg (p<0.05) between the three levels of wax in a double-walled steel casting container and comb foundations (CF) during the processing stage. Concentrations (mg kg-1) of the examined metals in comb foundations as the final product ranged as follows: As 0.01-0.88; Cd 1.26-3.55; Pb 82.5-171, and Hg 0.29-1.46. All examined element concentrations demonstrated similar distribution and ratio in different layers, ranging from the lowest concentrations in layers from which wax material is used for comb foundations as the final product, to the highest concentrations in sedimented layer, which represents waste. The obtained results suggest that the described method could effectively eliminate a significant amount of heavy metals from the initial material used for the production of new beeswax foundations.
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