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Uranium mining produces toxic tailings that are radioactive and may contain other toxic elements such as radon. Dust and water leaving tailing sites may carry long-lived radioactive elements that enter water sources and the soil, increase background radiation, and eventually be ingested by humans and animals. A 2013 analysis in a medical ...
Uranium poisoning in Punjab made news in 2009 when South African metal toxicologist Carin Smit ordered tests to be performed on children at Baba Farid Center For Special Children (BFCSC), a centre for children with autism, cerebral palsy, and other neurological disorders in Faridkot, Punjab. Lab tests found high levels of uranium in
The main risk of exposure to depleted uranium is chemical poisoning by uranium oxide rather than radioactivity (uranium being only a weak alpha emitter). During the later stages of World War II, the entire Cold War, and to a lesser extent afterwards, uranium-235 has been used as the fissile explosive material to produce nuclear weapons.
The actinide series is a group of chemical elements with atomic numbers ranging from 89 to 102, [note 1] including notable elements such as uranium and plutonium.The nuclides (or isotopes) thorium-232, uranium-235, and uranium-238 occur primordially, while trace quantities of actinium, protactinium, neptunium, and plutonium exist as a result of radioactive decay and (in the case of neptunium ...
Unfortunately, hydrological and geological conditions in Chernobyl area promoted rapid radionuclide migration to subsurface water network. These factors include flat terrain, abundant precipitation and highly permeable sandy sediments [4] Main natural factors of nuclides migration in the region can be divided into four groups, including: weather and climate-related (evaporation and ...
Uranium(IV) sulfate (U(SO 4) 2) is a water-soluble salt of uranium.It is a very toxic compound.Uranium sulfate minerals commonly are widespread around uranium bearing mine sites, where they usually form during the evaporation of acid sulfate-rich mine tailings which have been leached by oxygen-bearing waters.
Uranium is notable for the extremely high density of its metallic form: at 19.1 grams per cubic centimetre (0.69 lb/cu in), uranium is 68.4% more dense than lead. Depleted uranium, which has about the same density as natural uranium, is used when this high density is desirable but the higher radioactivity of natural uranium is not.
By 2020, the daily buildup of contaminated water was reduced to 170 metric tonnes thanks to groundwater isolation installations. [9] TEPCO reports that 72% of the water in its tanks, some from early trials of ALPS, needed to be repurified. [40] The portion of ready-to-discharge water raised to 34% by 2021, [41] and to 35% by 2023. [42]