The assets covered account for over 86 million tonnes (Mt CO2e) of Scope 1 and 2 CO2 equivalent emissions, plus an additional 38Mt CO2e associated with freight to importing country port, smelting...

Table 3.4. Pollutant emissions from copper projects in Australia and Chile covering the four stages of primary copper production (mining, milling, smelting and refining). ..... 53 Table 3.5. Variation in emissions from primary and secondary production of …

For copper mining, fuel consumption increased by 130% and electricity consumption increased by 32% per unit of mined copper in Chile from 2001 to 2017, largely due to decreasing ore grade. The mining industry to its credit is aware of the need for such scrutiny of emissions.

Mine supply: where will the copper come from? ... Furthermore, 70% of copper mine emissions are classified as Scope 2, or relating to power generation. This is something an accelerated energy ...

and pollution emissions of copper production processes, such as process route, ore grade, mine age, etc. [32]. However, few studies have been conducted on the past trend of energy consumption and GHG emissions in copper production processes and the influence of main key factors on the LCA performance. This study aims to evaluate the national

That answer, unfortunately, isn't straightforward. Odell explains that making an apples-to-apples comparison is challenging, because methods for extracting and processing oil and coal are different than those for metal mining. Even mining two different metals—or two different deposits of the same metal—can call for different techniques.

GHGRP Metals. The metals sector consists of metal production facilities that smelt, refine, and/or cast ferrous and nonferrous metals, including primary aluminum, ferroalloy, iron and steel, lead, magnesium, and zinc, from ore, pig, or scrap using electrometallurgical and other methods. The sector also includes foundries and any other …

The mining community, contributing between 4% to 7% of global emissions, has set year 2050 for Net Zero as its target for decarbonization. Meaning that to achieve the 1.5°C climate-change target by 2050, the mining industry will need to reduce direct CO2 emissions to zero. ... Shaped by decades of working with the copper mining industry, …

The copper mining industry in Chile emitted over six million metric tons of CO2 in 2018, which represents an increase of 5.98 million tons when compared to the previous year. During 2019, Greenhouse Gases (GHG) emissions from the copper mining industry were recorded for a total of 16,366 thousand tons of CO2 equivalent distributed …

From 1930 to 1970, advances in the post-mining chemical processes led to a 30% drop in energy use to produce a ton of copper even though ore grades slowly declined.

Climate Action. Copper mining firms worldwide are committed to reducing their carbon emissions. Freeport-McMoRan, one of the world's largest copper miners, lowered its carbon emissions by more than 21 percent from 2015 to 2019. This puts the company on track to meet the COP21 framework to limit global warming to below 2°C from pre …

global GHG emissions is currently low, copper demand is expected to double by 2050, driven in part by the need for copper for the clean energy transition. Given this awareness, copper miners and ... metals and mining sector. For this reason, there is a need for the development of a sector methodology that is built on, and

Includes both Scope 1 and 2 emissions of all GHGs (the majority of which are CO2) from primary production. The values for lithium carbonate refer only to CO2 emissions based on the weight average of brine and hard-rock production (denoted on a lithium carbonate-equivalent basis).

Table 1: Summary of greenhouse gas emissions and energy intensity of a typical copper process, obtained by an assessment of sustainability reports of several copper …

Drilling down into copper production emissions: Mining. There are two main types of copper ore found in the Earth's crust: copper oxide ores and copper sulfide ores. Copper sulfide ores (where copper is found in compounds with iron and sulfur) are the most common source of copper. Copper ore contains a low concentration of copper; …

Gold mining also accounts for 38% of annual global mercury emissions, which cause millions of small-scale miners to suffer from chronic mercury poisoning, which can cause debilitating illness ...

Proper investments in copper mining to enhance productivity and optimize operational efficiency is crucial to tackling supply shortages and achieving carbon emission goals in the long-term perspective. Largest copper mining companies. Chile's Codelco is the largest copper mining company in the world by production output.

For crushing; conveying; pumping solutions; and electrowinning copper metal for oxide ores. In addition, a mine often uses consumables, such as steel grinding media, which produced GHG emissions in their manufacture. I use a driver tree methodology to understand GHG emissions. Here's an example that shows emissions …

over large areas, surface, or open-pit mining, is the predominant mining method for copper in the world. After mining, copper is produced by one of two process routes: pyrometallurgical or hydrometallurgical. Within the pyrometallurgical route, the mined ore is crushed and milled, followed by a concentration step using flotation. The obtained ...

First, it's important to note that metal mining is a carbon-intensive process. According to research published by the prestigious journal Nature, emissions from primary mineral and metal production …

The emissions during the generation of the electricity to be used in the mine are a key contribution to the (upstream) environmental impacts of copper as a product. 4 Conclusions This article provides a case study of the environmental assessment of copper production with an open-pit mine with pyrometallurgical refining in Europe.

Chile's Codelco, the world's largest copper producer, has outlined sustainability plans in five areas of action for its operations and projects, including goals to cut carbon emissions by 70% ...

Copper mining can serve as a case study to analyse the measurable pathways by which mining contributes to climate change through direct and indirect …

The mining industry has only just begun to set emission-reduction goals. Current targets published by mining companies range from 0 to 30 percent by 2030, far below the Paris Agreement goals. 2 Limiting climate change will require a significant reduction in greenhouse-gas emissions between 2010 and 2050: a 41 to 72 percent …

Scope 1 and Scope 2 CO2 emissions from the sector (those incurred through mining operations and power consumption, respectively) amount to 1 percent, and fugitive methane emissions from coal mining are estimated at 3 to 6 percent. 1 A significant share of global emissions—28 percent—would be considered Scope 3 (indirect) …

Economic value of commodities per tonne of CO2 emitted. Figure 2 shows the economic value per tonne of CO 2 for select energy transition metals (copper, nickel, lead, zinc, silver, gold, platinum ...

To achieve this, copper miners are asked to account for direct emissions, such as those from sources that are owned and controlled by companies, including onsite power generation; indirect...

The infrastructure created by mining operations in remote, untouched landscapes can lead to improved access to these regions which may result in further human-caused disturbance to the local ecological systems. The impact of mining operations on the surrounding land is also closely linked to the ecological setting of the mining sites.

Fugitive dust emissions for mining and quarrying operations are the sum of emissions from the mining of metallic and nonmetallic ores and coal. Each of these mining operations has specific emissions factors accounting for the different means by which the resources are extracted. ... and are taken from emissions factors for copper ore mining ...