On November 1st, Samsung Electronics recalled 4.3 million Galaxy Note 7 smartphones from around the world. How would it handle these phones? According to Marketwatch, Greenpeace issued a statement on Monday urging Samsung Electronics not to discard the recalled Galaxy Note 7 phone to avoid "environmental disasters." Samsung Note7 At present, Samsung Electronics has not publicly indicated how to dispose of these phones except that it will not be repaired or reused. Just say that these phones will not be repaired and used twice. Samsung previously said: "We have a process to safely dispose of these phones." Samsung has not yet responded to Greenpeace’s urging statement on Monday. Greenpeace asked Samsung to find new ways to recycle and reuse these metals and rare earth materials in mobile phones, and to disclose ways to dispose of mobile phones. About 50 elements are used in the Note 7 phone. Due to the inefficiency of the current recycling method, only 12 elements can be recycled. Greenpeace said that according to researchers at the German Institute for Applied Ecology (Oeko-InsTItut), 4.3 million Note 7 phones contain more than 20 metric tons of cobalt, more than 1 metric ton of tungsten, 1 metric ton of silver, and 100 kilograms of gold. And 20 kg to 60 kg of palladium. Greenpeace said in a statement: "These materials can be recycled and reused, but if Samsung does not want to use them again, it will cause damage to the environment." According to a study published by the Institute of Electrical and Electronics Engineers (IEEE) in 2013, although most metals are not inherently toxic, methods for extracting these metal elements may use mercury or cyanide. Both are highly toxic. The excavation techniques used to obtain these metals can also cause damage to the environment and are very inefficient. Jude Lee, senior IT director at Greenpeace East Asia, said: "Samsung now has the opportunity to set an example for the entire industry, depending on how it recycles and reuses the rare metals in the 4.3 million smartphones. Other precious materials, whether it is to avoid environmental disasters or simply discard them. We will launch a global petition to ask Samsung not to discard these phones, and take this opportunity to reflect on how it designs and produces its products. "" An important issue in recycling is how to handle the battery of the Note 7 phone. Samsung has glued these batteries together with the phone. When recycling and recycling, the operator must carefully remove the battery that may explode from each phone. According to one engineer, this process requires a lot of patience just like surgery. Kneading the battery first will make the whole recycling process relatively easy. It is possible that some mobile phones can be reused without further recycling.
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