The Harm Of Illegal Rare Earth Refining

Local residents, this place is to commence in May and June of last year, refining rare earth. The site area of ​​four or five Shimu, there is a the physical penetration separation pool, chemical reaction pool. The chemical reaction pool inside the acidic liquid such as oxalic acid, not far from the store after the semi-finished rare earth refining. Chemical reaction of the exhaust gas liquids, basically direct emissions, the number of submissions in the downstream red liquid in can be seen everywhere in the drains. Local residents downstream vegetable plot has been contaminated.

It is understood that the rare earth refining process is more complex but also very low content in the ore, rare earth elements belonging to national strategic material, and high prices in the international market, so people have been in order to seek benefits for illegal refining rare earth. Need a lot of water in the rare earth refining process, refining rare earth would choose to water and emissions convenient, near water sources or reservoirs.

Shenzhen University professor in the Department of Chemistry and Applied Chemistry, Zhen said, every attached pole will be used to a large number of solvents, these media requires a lot of water, so it's water consumption is great. Wen said the Professor of the extraction of rare earth has been strict control must be state licensed to carry. Once refining rare earth waste acid, waste, waste without any treatment directly discharged into the water source, will produce a very bad impact on the surrounding environment.

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