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Sustainability 2016, 8(1), 11; doi:10.3390/su8010011

A Life Cycle Assessment of Silica Sand: Comparing the Beneficiation Processes

Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Pierottijeva 6, Zagreb 10000, Croatia
Academic Editors: Shinsuke Murakami and Marc A. Rosen
Received: 18 September 2015 / Revised: 11 December 2015 / Accepted: 18 December 2015 / Published: 25 December 2015
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Abstract

Silica sand or quartz sand is a mineral resource with a wide variety of application; glass industry, construction and foundry are the most common examples thereof. The Republic of Croatia has reserves of 40 million tons of silica sand and a long tradition of surface mining and processing. The average annual production of raw silica sand in Croatia in the period from 2006 to 2011 amounted to 150 thousand tons. This paper presents cradle to gate LCA results of three different types of beneficiation techniques: electrostatic separation; flotation; gravity concentration. The aim of this research is to identify and quantify the environmental impacts of the silica sand production, to learn the range of the impacts for different processing methods, as well as to identify the major contributors and focus for further process design development. View Full-Text
Keywords: silica; quartz; life cycle assessment; environmental impact; mining; mineral processing silica; quartz; life cycle assessment; environmental impact; mining; mineral processing
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Grbeš, A. A Life Cycle Assessment of Silica Sand: Comparing the Beneficiation Processes. Sustainability 2016, 8, 11.

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