Trace elements in the clinoptilolite tuffs from four Bulgarian deposits, Eastern Rhodopes

Yana Tzvetanova, E. Tacheva, Louiza T. Dimowa, Liliya Tsvetanova, Aleksandar Nikolov
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Abstract

In this study, we are focusing on the presence and contents of the rare earth and trace elements in the clinoptilolite-rich tuffs of the four large zeolite deposits Beli Plast, Golobradovo, Most and Beliya Bair (Eastern Rhodopes, Bulgaria). The chemical properties of the tuffs were studied with regard to be used in eco-toxicological experiments as sorbents for detoxification of the experimental animals. The clinoptilolite tuffs are relatively depleted in Sc, V, Cr, Co, Ni, Cu, Zn, Ga, W, Y, Zr, Ba, Hf, and REE. A relative enrichment is found for the elements Be, S, Ag, In, Sn, Sb, Tl, Bi, and Pb. According to the requirements of the European legislation regarding the contents of lead, cadmium, arsenic, clinoptilolite, clay minerals and quartz in the zeolitized rocks, the tuffs from Beli Plast and Most deposits could be used as a sorbent for detoxification purposes.
保加利亚东罗多山四个矿床霞石凝灰岩中的微量元素
在这项研究中,我们重点研究了四个大型沸石矿床 Beli Plast、Golobradovo、Most 和 Beliya Bair(保加利亚东罗多山)富含沸石的凝灰岩中稀土和微量元素的存在和含量。为了在生态毒理学实验中用作实验动物解毒的吸附剂,对这些凝灰岩的化学特性进行了研究。霞石凝灰岩的 Sc、V、Cr、Co、Ni、Cu、Zn、Ga、W、Y、Zr、Ba、Hf 和 REE 含量相对较低。Be、S、Ag、In、Sn、Sb、Tl、Bi 和 Pb 元素相对富集。根据欧洲法律对沸石中铅、镉、砷、鳞沸石、粘土矿物和石英含量的要求,Beli Plast 和 Most 矿床的凝灰岩可用作解毒吸附剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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