U4L9 Metals and Minerals in Smart Devices II Flashcards
Where does the majority of combat come from?
Democratic Republic of Congo
How is combat used in phones?
In lithium-ion batteries
Why is cobalt mining dangerous?
Cobalt is usually found in Congo, which is a poor country. They also indulge in child labor, because when there parents lose their job kids would volunteer to work in these cobalt mines. In cobalt mines you are sent down for 24 hours looking for cobalt. This isn’t only dangerous because the mine could collapse, but breathing it in is also bad. Also, living near a cobalt mine could contaminate food and make other people sick. Even if your in charge of cleaning cobalt you can still get sick.
What is the definition of conflict minerals?
Minerals mined in areas of violent conflict and sold to fund the activities of violent groups.
What are the 3TG minerals?
Tungsten
Tantalum
Tin
Gold
What do conflict mines do?
Countries in conflict, tax the use of mines and sell the minerals allowing them to buy weapons for armed groups.
Who owns these mines?
Armed militias
What is an example of a country the used conflict mines?
Democratic Republic of Congo
What are the conflict minerals helpful to conflict mining?
Laws now require companies to disclose the source of any conflict minerals in their products. However, as minerals are often mixed together, it can be difficult to know the true source.
What is the definition of artisanal mining, also know is small scale mining?
Resource extraction by individuals not working at regulated mine sites
Why is artisanal mining hazardous?
Miners often use mercury to extract gold from rock, creating a mix of gold and mercury. Smelters burn this mixture, leaving only the gold and releasing mercury fumes into the air.
Why health causes an mercury lead to?
Brain and kidney damage
Why can mercury and water cause a big problem?
When mercury pollutes water and land resources, the entire population of the area is at risk.
How much e-waste is produced each year?
41 million tons
How can recycling e-waste be useful?
Many minerals used in smart devices can be recovered if the devices are properly recycled.