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Is Phosphogypsum Harmful To People
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Phosphogypsum (PG), which is a solid waste in phosphate fertilizer industry, is harmful to the environment. The pyrogenetic decomposition is mainly used in …
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By the end of 2011 this colossal phosphate fertilizer industry has left the country with 300 million tons of phosphogypsum, an industrial by-product that contains a variety of harmful chemicals ...
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01.07.2007· The road base course is covered by the cement or bitumen concrete pavement, so the harmful ingredients of the phosphogypsum such as heavy-metal ions and radioactive elements cannot take effect in the road base material, so it is an innocent treatment approach of the phosphogypsum to be made into lime–fly ash–phsphogypsum binder road base material. The optimum design of the …
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Phosphogypsum stacks – Page 3 – PEOPLE FOR PROTECTING ... · The mound exists because the material in the mound is too toxic to move due to expense. Florida's elected officials along with phosphate industry officials said they could not come up with anything else to do with it. Even, the Environmental Protection Agency has … Sales Online. Introduction to Phosphate as a Fertilizer ...
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PG, discharged into the sea, watercourses or in wilderness stocks, contains toxic elements harmful to ecosystems and human health, including heavy metals and radionuclides, and there is therefore...
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Phosphogypsum (PG) is a residue of the phosphate fertilizer industry that has relatively high concentrations of harmful radioactive materials. The reduction in concentration of the radionuclides from PG was investigated. The removal process is based on leaching of radionuclides using suitable organic extractants. The studied radionuclides were 226 Ra, 210 Pb, 238 U and 40 K. The factors affect ...
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Phosphogypsum (PG) is an acidic by-product of the phosphate fertilizer industry, which is produced during the production of phosphoric acid from phosphate rock. Large amounts of PG have been produced around the world and the production will increase to several hundred million metric tonnes annually . Over 60 million tonnes of PG is produced per annum in China, which poses various environmental ...
Get PricePhosphogypsum - an overview | ScienceDirect …
Phosphogypsum from Florida contains 226 Ra and gives off radon (222 Rn) gas, which poses a potential health hazard (Mays and Mortvedt, 1986). In one study ( Miller and Sumner, 1991 ), phosphogypsum applied at rates of up to 10 t ha − 1 was found to be within tolerable limits environmentally.
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Also, if people are able to sprinkle phosphogypsum on their lawns to help retain water, precious water in our aquifers would be saved and water bills would be lowered. My county has a water shortage problem, and county officials are not sure where the public water supply will come from in the next 20 years. I observed that if the county can use this byproduct from phosphate mining, we could ...
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Phosphogypsum is a by-product of the phosphates industry. Produced in significant quantities, the material is considered a waste in the US due to radioactivity, where the primary means of management is storage in "stacks." But around the world, phosphogypsum is increasingly being utilized in beneficial reuse applications, with research around the topic growing. How Phosphogypsum is ...
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Phosphogypsum stacks – Page 3 – PEOPLE FOR PROTECTING ... · The mound exists because the material in the mound is too toxic to move due to expense. Florida's elected officials along with phosphate industry officials said they could not come up with anything else to do with it. Even, the Environmental Protection Agency has … Sales Online. Introduction to Phosphate as a Fertilizer ...
Get PriceDANGERS OF PHOSPHATE MINES - Our Santa Fe …
This mountainous phosphogypsum stack is in Riverview, FL. Florida's taxpayers were responsible for covering the cost to recover from severe local environmental impacts from the "stack". Each time a phosphate industry "accident" occurs; water quality, quantity, (2) and air degrade, causing health issues for many Floridians as well.
Get PricePhosphogypsum: potential uses and problems – a …
Phosphogypsum (PG: CaSO 4 ·2H 2 O) is a waste product generated by the phosphate industry. World production of this waste exceeds 200 million tonnes per year. PG, discharged into the sea, watercourses or in wilderness stocks, contains toxic elements harmful to ecosystems and human health, including heavy metals and radionuclides, and there is therefore a concern regarding environmental impacts.
Get PriceDANGERS OF PHOSPHATE MINES - Our Santa Fe …
This mountainous phosphogypsum stack is in Riverview, FL. Florida's taxpayers were responsible for covering the cost to recover from severe local environmental impacts from the "stack". Each time a phosphate industry "accident" occurs; water quality, quantity, (2) and air degrade, causing health issues for many Floridians as well.
Get PriceEnvironmental Risk Assessment System for …
Phosphogypsum (PG) is an acidic by-product of the phosphate fertilizer industry, which is produced during the production of phosphoric acid from phosphate rock. Large amounts of PG have been produced around the world and the production will increase to several hundred million metric tonnes annually . Over 60 million tonnes of PG is produced per annum in China, which poses various environmental ...
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All uses of phosphogypsum can cause significant health risks. In addition to high radium 226 levels, central Florida phosphogypsum also contains significant amounts of sulfur and various heavy metals such as arsenic, barium, cadmium, and lead.
Get PriceMade in China: Seven toxic imports - The Week
While a U.S. government investigation is ongoing, many experts believe the Chinese drywall contains phosphogypsum, a radioactive material that—among its other unpleasant effects—may put people ...
Get PriceMade in China: Seven toxic imports - The Week
While a U.S. government investigation is ongoing, many experts believe the Chinese drywall contains phosphogypsum, a radioactive material that—among its other unpleasant effects—may put people ...
Get PriceWaste piled near villages - Global Times
Huge piles of phosphogypsum containing hazardous chemicals were found in close proximity to villages and potable water sources in Sichuan Province, leading to calls for a government investigation ...
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Abstract Phosphogypsum (PG) is a residue of the phosphate fertilizer industry that has relatively high con-centrations of harmful radioactive materials. The reduction in concentration of the radionuclides from PG was inves-tigated. The removal process is based on leaching of …
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