Effect Of Iron Ore Mining On The Environment Of Water

Effect Of Iron Ore Mining On The Environment Of Water

411 iron ore mining there are two basic methods of mining iron ore these are surface mining or openpit mining underground or shaft mining to be competitive iron mining must be done on a very large scale surface mining is the preferred choice although there are exceptions small lowcapacity mines have rapidly disappeared.

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treatment and recycling of the process water in iron ore flotation of yuanjiacun iron mine wenli jiang1 and haifeng xu 2 1school of resources and environmental engineering wuhan university of technology wuhan 430070 china 2changsha research institute of ming and metallurgy co ltd changsha 410012 china academic editor wenshan guo.

studies from temperate climates have shown that ironore mining and its tailing wastewaters usually show high levels of dissolved ions and particulate suspended matter thus changing the water chemistry holopainen et al 2003 and the bioavailability of metals.

mining companies must prepare for climate hazards today 30 to 50 percent of production of copper gold iron ore and zinc is concentrated in areas where water stress is already high climate change is expected to cause more frequent droughts and floods altering the supply of water and disrupting operations.

But environmental groups contend the iron ore mine waste contains high levels of iron oxide that could cause irreversible damage a similar disaster in 2015 at a valeoperated mine in the same region of brazil killed 19 people and released 78 million cubic yards 60 million cubic meters of mud that polluted hundreds of miles of rivers and streams.

By contrast iron mining is less wasteful with approximately 60 percent of the ore extracted processed as waste da rosa 1997 jj marcus ed mining environmental handbook effects of mining on the environment and american environmental controls on mining and impoundment of water the arctic environment often takes.

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