Green remediation of tailings from the mine using inorganic agents

IF 0.8 4区工程技术 Q4 ENGINEERING, CHEMICAL

Hemijska Industrija Pub Date : 2017-05-13 DOI:10.2298/HEMIND160419026D

A. Došić, D. Pilipović, Miladin J. Gligorić, B. Dalmacija, Đ. Kerkez, N. Slijepčević, Jelena M. Spasojević, Zoran B. Obrenović

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引用次数: 2

Abstract

Increasing amounts of residues and waste materials coming from industrial activities in different processes have become an increasingly urgent problem for the future. The paper presents the problem of mine tailings generated in mine “Sase” (Republic of Srpska, Bosnia and Herzegovina) with high metal content (Pb, Cu and Zn). Dumpsite of this tailing represents potential risk for water bodies in the vicinity of this location. Chosen treatment process was stabilization/solidification (S/S). Inorganic agents used in this study were fly ash and red mud that represent secondary industrial waste generated on locations relatively near the mine. Therefore, their application can be used as an example of a sustainable solution of regional environmental problem. Further investigations are related to the impact of various factors on metals leaching from mine tailings solidified/stabilized material using the above mentioned immobilization agents. The performance of the immobilizing procedures was examined using several leaching tests: ANS 16.1, TCLP, DIN, MWLP. The results indicated that all S/S samples can be considered as non-hazardous waste, as all leached metal concentrations met the set criteria. These results will further enable the modelling of metals behaviour during long-term leaching from treated mine tailing. The data are invaluable in terms of economically and environmentally sound management of mine tailing.

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利用无机药剂对矿山尾矿进行绿色修复

工业活动在不同过程中产生的越来越多的残留物和废料已成为未来日益紧迫的问题。介绍了波黑斯普斯卡共和国“Sase”矿尾矿中重金属(Pb、Cu、Zn)含量高的问题。该尾砂倾倒场对该地点附近的水体构成潜在风险。选择稳定化/凝固(S/S)处理工艺。本研究中使用的无机药剂是飞灰和赤泥，它们代表了相对靠近矿山的地方产生的二次工业废物。因此，它们的应用可以作为可持续解决区域环境问题的一个例子。进一步研究了各种因素对上述固定剂对尾矿固化/稳定材料中金属浸出的影响。采用几种浸出试验:ANS 16.1, TCLP, DIN, MWLP来检查固定程序的性能。结果表明，所有S/S样品均可视为无害废物，所有浸出金属浓度均符合设定的标准。这些结果将进一步使从处理过的尾矿中长期浸出金属行为的建模成为可能。这些数据在对尾矿进行经济和无害环境的管理方面是非常宝贵的。

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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来源期刊

Hemijska Industrija 工程技术-工程：化工

CiteScore

1.60

自引率

11.10%

发文量

审稿时长

6-12 weeks

期刊介绍： The Journal Hemijska industrija (abbreviation Hem. Ind.) is publishing papers in the field of Chemical Engineering (Transport phenomena; Process Modeling, Simulation and Optimization; Thermodynamics; Separation Processes; Reactor Engineering; Electrochemical Engineering; Petrochemical Engineering), Biochemical Engineering (Bioreactors; Protein Engineering; Kinetics of Bioprocesses), Engineering of Materials (Polymers; Metal materials; Non-metal materials; Biomaterials), Environmental Engineeringand Applied Chemistry. The journal is published bimonthly by the Association of Chemical Engineers of Serbia (a member of EFCE - European Federation of Chemical Engineering). In addition to professional articles of importance to industry, scientific research papers are published, not only from our country but from all over the world. It also contains topics such as business news, science and technology news, information on new apparatus and equipment, and articles on environmental protection.