Mining and the environment Australian Bureau of Statistics
8 Dec 2006 This article briefly discusses the main environmental impacts of mineral mining such as wastes and the rate of resource use where the supply of minerals copper cadmium lead silver and zinc contained in an excavated or exposed rock may be leached out and carried downstream by flowing water
The Blue Water Footprint of Primary Copper Production in Northern
SPECIAL FEATURE ON FRONTIERS IN FOOTPRINTING The Blue Water Footprint of Primary Copper Production in Northern Chile Claudia A Pe na and Mark A J Huijbregts Summary Water consumption related to the life cycle of metals is seldom reported even though mines are often situated in very dry regions
Water Requirements of the Copper Industry USGS Publications
CONTENTS IV TABLES Pag TABLE 1 Water use in the copper industry in Arizona and Texas 1951 188 2 Unit use of water in the mining of copper ore 1955 190 3 Previously published data showing unit use of water in the con centration of copper ores principally by water gravity sepa ration and flotation
9 Feb 2016 Mining companies are exempt from the Groundwater Management Act of 1980 This allows the company operating Rosemont Mine to export unlimited amounts of water from the Tucson Active Management Area which is illegal for other entities Annual water use by the mine would be enough to supply nbsp
Drought in Chile forcing copper production slowdown The Australian
27 Nov 2015 Cochilco said in a recent report on water consumption that it expects seawater consumption by Chilean copper mines to increase by 14 per cent a year by 2026 even as freshwater usage declines about 2 per cent a year A major uncertainty for copper prices is demand Copper consumption in China nbsp
Water Consumption at Copper Mines in Arizona AZGS Document
Department of Mines and Mineral Resources WATER CONSUMPTION AT COPPER MINES IN ARIZONA Arizona has the best copper deposits in the United States and produces more of the red metal than most countries except Chile and Peru All mining needs water for mining and processing and copper mining is no nbsp
best practices and efficient use of water in the mining Cochilco
BEST PRACTICES AND EFFICIENT USE OF WATER IN THE MINING INDUSTRY COCHILCO CHILEAN COPPER COMMISSION This document has been translated from the original version in Spanish nbsp
Water Infrastructure and the Mining Industry Columbia Center on
Chile s copper mining industry According to Chile expected to need 45 more water for mining in 2020 as compared to 2009 it has the right to use the water because the Silala River is an international river Bolivia argues that the river 39 s course was artificially altered in the 19th century to fit Chilean companies 39 needs 45
Chile 39 s copper mines will turn to desalination for half their water
24 Nov 2015 Desalination will provide half the water demand of Chile 39 s copper mining industry by 2026 according to findings in a report by the Chilean state copper commission Cochilco The report Projected water consumption in 2026 mining forecasts that copper producers 39 total freshwater consumption will fall by nbsp
Metals amp Mining and SRI Insight Copper amp Water – expensive
22 Jul 2015 a key driver in water consumption we argue that declining grades will inevitably lead to higher water consumption per finished product see Exhibit 6 Recycling desalination – or using sea water directly The copper mining industry is undertaking several initiatives to mitigate the risks of water scarcity
Water Scarcity and the Impact of the Mining and Semantic Scholar
2 Feb 2016 Water consumption of the mining industry is expected to increase in all regions due to an increase in mining developments and a reduction in ore concentration resulting in greater processing requirements 18 The water consumption of the copper mining industry in 2014 was estimated to be 14 8 m3 s nbsp
Managing water consumption in mining Mining Technology
21 Aug 2013 Minera Esperanza 39 s copper and gold mining operation located 180km from the city of Antofagasta in Chile is one of the driest places in the world The mine needs approximately 20m cubic metres of water a year to run To meet these demands the mine 39 s processing plant was designed to use untreated nbsp
Reducing mine water requirements PDF Download Available
Mining consumes large quantities of water the copper mining industry alone withdrew over 1 3 billion m 3 of water in 200 6 Gunson et al 2010b On a global scale however mine water use accounts for a small portion of overall water use Even in relatively dry mining intensive countries like Australia Chile and South
Playing with the numbers How much water we actually use in
9 Oct 2014 I collected historical data related to mining industry from USGS WHO and RMG database and played with the numbers a bit Here is one result It is by no means absolute truth and please take it more as trend Trend that should wake us all for the need to utilize more efficient water treatment methods that nbsp
Behind Latin America 39 s Anti Mining Protests Water Concerns
25 Jun 2015 But in many Latin American countries since higher grade ores have already been mined average water use is expected to rise Under expected growth the water consumption of copper mining in Chile for example would rise by 45 percent by 2020 For local communities mining poses risks to both water nbsp
Industrial Water optimisation in mining sector Water Scarcity
Project Overview Xstrata 39 s Lomas Bayas copper mine is located 120km northeast of the port of Antofagasta Chile The mine is located on a desert with an annual rainfall of approximately 1mm and produces approximately 75 000 tonnes of copper each year Xstrata 39 s copper operations use a process called heap leaching nbsp
21 Mar 2012 Mining is typically a water intensive endeavor but Rosemont says technologies it plans to use would require only half as much water as a conventional mine The pit would be one of the nation 39 s largest copper producers and yet it will have one of the smallest footprints of any of the currently operating nbsp
Mining Arizona The Arizona Experience landscapes people
Industry and mining comprises about 5 of Arizona 39 s total water use approximately 386 600 acre feet or 126 billion gallons per year In 2010 fresh water consumption at a concentrator plant was around 200 gallons per ton of ore Copper minerals generally occur as oxides or sulfides Copper sulfides are crushed ground nbsp
Mining amp Minerals Water Treatment Solutions SUEZ
Mining Water Solutions Reducing water usage treating discharge water and pre treating resources in transport are just some of the solutions that SUEZ offers to lower operating costs
Guideline for Baseline Water Use Determination and Target The dti
mine and water use characteristics may even vary markedly between two copper mines The intent of this guide is to provide mining water users regardless of their unique circumstances the ability to baseline their water use and set appropriate targets for their particular site The five main types of water used in the mining nbsp
A perspective on water and mining Barrick Beyond Borders
14 Oct 2016 He has worked at base metals mining and smelting operations throughout Australia and led studies for the Oyu Tolgoi copper gold project in Mongolia and the Blackwater gold project in British Columbia He has also led sessions and roundtables on water use in mining at a number of conferences nbsp
water resource management and the mining industry Ministério do
vent to dissolve minerals acidulated water for exam ple Metals that are suitable for use with this method include copper uranium mercury molybdenum sil ver gold aluminum and zinc It should be pointed out that nowadays some leaching technique is employed at the majority of copper mines and in situ leaching is nbsp
Open Pit Mining amp The Cost of Water Potential Opportunities
29 Apr 2015 install a user payer system for consumption of water as a provincial resource These regulatory changes will financially affect the Highland Valley Copper HVC mine as it obtains approximately 17 of make up water from pit dewatering activities Similarly the Direccion Regionale del Agua DGA is also nbsp
The Blue Water Footprint of Primary Copper Production in Northern
21 Jun 2013 Water consumption related to the life cycle of metals is seldom reported even though mines are often situated in very dry regions In this study we quantified the life cycle consumption of groundwater and fresh surface water blue water footprint WFblue for the extraction and production of high grade nbsp
Copper production amp environmental impact GreenSpec
Subsequently the most apparent use of copper up until the present day has been in the roofing of buildings such as churches palaces and other prestigious public Water is usually reclaimed from the thickeners and recirculated to the mill to be used in beneficiation and dust control Mining Industry Profile Copper nbsp
Water Risks in the Mining Sector Chile1 1 Overview
16 Jun 2016 mining areas in Chile in recent decades an increasing number of copper mining companies are also starting to use seawater to meet their water requirements and Chile 39 s state copper commission Cochilco estimates that desalination will provide half the water demand of Chile 39 s copper mining industry by nbsp
All of these necessities would not be possible without the use of water in mining Here 39 s what you should know An acre foot of water is enough to cover an acre of land about the size of a football field one foot deep The Resolution Copper Mine Plan of Operations deemed complete by the USFS in 2014 would use nbsp
Seawater use in Chile 39 s mines grows by a third BNamericas
16 Jun 2016 Seawater consumption across Chile 39 s copper mining industry has seen steady growth over the years and in 2015 it grew 33 to 2 3m3 s state copper According to Cochilco 39 s most recent water consumption forecast – published at the end of each year – seawater consumption is set to account for 50 of nbsp
Chile copper mine water use seen rising rapidly in next decade
13 Jan 2015 Water consumption in Chile 39 s vast copper mining industry is set to rise 66 percent by 2025 with companies increasingly turning to seawater to meet mine demand a study by state copper commission Cochilco showed on Tuesday
Water management in mining a selection of case studies ICMM
Xstrata Copper 20 Lomas Bayas mine Chile Rio Tinto 22 Argyle Diamond Mine Western Australia JX Nippon Mining amp Metals 24 Toyoha mine Japan The use of pipelines does require significant amounts of water to keep the slurry material in liquid form Mines operating in regions with extreme seasonal variations
Mining consumes large quantities of water the copper mining industry alone withdrew over 1 3 billion m3 of water in 2006 Gunson et al 2010b On a global scale however mine water use accounts for a small portion of overall water use Even in relatively dry mining intensive countries like Australia Chile and South nbsp
1 The amount of water required by a mine varies depending on its size the mineral being extracted and the extraction process used For instance metal mines that chemically process ore to concentrate metals such as copper and gold use much more water than non metal mines such as coal salt or gravel mines 2
The Olympic Dam mine is a large poly metallic underground mine located in South Australia 550 km NNW of Adelaide It is the fourth largest copper deposit and the largest known single deposit of uranium in the world although copper is the largest contributor to total revenue Approximately 70 of the mine 39 s revenue nbsp
consumption and to strictly monitor potential water impacts For their part many of the mining companies active in the area have taken steps to reduce their water usage and improve their water e ciency For example new technology at the Oyu Tolgoi copper mine minimized water losses and maximized recycling potential
Reducing fresh water use in the production of metals Teck
A comprehensive water supply strategy for mining projects is important to ensure that fair allocation of water is maintained for municipal agricultural and industrial users in the region The consumption of fresh water for processing copper concentrates can be substantially reduced through the adoption of hydrometallurgical nbsp
Copper mining in Chile and its electric power demand Theseus
12 Apr 2015 Desalination – A process that removes salts and other minerals from saline water Use of desalinated water is a growing trend in the copper mining industry in northern Chile Electrorefining – An electrolytic refining process where copper anodes are dissolved and plated to produce high purity copper nbsp
Understanding water use in mining and mineral processing CSIRO
7 Dec 2016 The challenge Water management in mining and mineral processing Water is essential to mineral processing It is used in various steps in the process to recover valuable metals from ore The water use is quite high – for example around 1600 litres of water are used to obtain the 19 kilograms of copper nbsp
