The study of optimum tailing storing conditions for surface paste disposal method

A. Bascetin, S. Tuylu, D. Adiguzel, U. G. Akkaya

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

One of the main problems for storing of the tailings is acidity occurrence due to several factors such as existence of sulfuric minerals and also the pollution in seepage waters by mobilization of metal ions, which holds great risks in terms of environmental regulations. Because of these specified reasons, tailing materials to be used in a SPD formula should have comply with some specifications. Among these properties; oxygen content, temperature, matrix suction and pH are the most important parameters. In the study, the relationships between the parameters mentioned are investigated to reveal optimum paste design layout. The lowest amount of seepage water obtained from the paste layers in the pilot cabinet was found as 2150 ml from 3th layer. As for the maximum seepage water and the average of the all 11 layers were found as 4909 ml from 6th layer and 3273 ml respectively. The reactions occurring according to the oxidation, as seen at seepage water of second and third layers, decreased the pH of system to the under of 7 value. Additionally, when the seepage water of first layer's EC value is 2.93 mS/cm, the EC value of second layer is increased at 3.54 mS/cm. The other parameters are evaluated with the obtained results of the tests to determine the optimum storing conditions for SPD.

Original languageEnglish
Title of host publication2015 SME Annual Conference and Expo and CMA 117th National Western Mining Conference - Mining
Subtitle of host publicationNavigating the Global Waters
PublisherSociety for Mining, Metallurgy and Exploration
Pages94-98
Number of pages5
ISBN (Electronic)9781510801240
Publication statusPublished - 2015
Externally publishedYes
Event2015 SME Annual Conference and Expo and CMA 117th National Western Mining Conference - Mining: Navigating the Global Waters - Denver, United States
Duration: 15 Feb 201518 Feb 2015

Publication series

Name2015 SME Annual Conference and Expo and CMA 117th National Western Mining Conference - Mining: Navigating the Global Waters

Conference

Conference2015 SME Annual Conference and Expo and CMA 117th National Western Mining Conference - Mining: Navigating the Global Waters
Country/TerritoryUnited States
CityDenver
Period15/02/1518/02/15

Bibliographical note

Publisher Copyright:
Copyright © 2015 by SME.

Keywords

  • Environmental risk
  • Seepage water
  • Surface paste disposal (SPD)
  • Tailing-waste management

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