The Environmental Protection Agency (EPA) has approved a pilot project that would allow a company to build a small road made out of a radioactive fertilizer byproduct — drawing environmentalist ire.
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Phosphogypsum (PG) is the main by-product of fertilizer and phosphoric acid production. Currently, over 21 million tonnes of phosphogypsum are accumulated in Lithuania. …
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Phosphogypsum (PG) is a byproduct of the wet phosphoric acid process, with calcium sulfate as its primary component. Approximately 4.5–5.0 t of PG are generated per ton …
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The Mosaic Co. is in the midst of a large-scale science project meant to prove that phosphogypsum can safely be publicly if mixed into road base construction materials, and the …
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This process, known as leaching, can introduce harmful substances into aquatic ecosystems, affecting both surface and groundwater quality. ... The interplay between water …
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the harm of phosphogypsum to the environment. Effect of modified phosphogypsum on the hydration properties. Supersulfated cement SSC is a kind of environment friendly cement as …
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To gain a comprehensive understanding of the environmental impact of phosphogypsum, it is crucial to explore its properties ... but it also generates large amounts of …
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Phosphogypsum(PG) is one of the typical bulk industrial solid wastes generated in the phosphate chemical industry. Due to its huge production volume and immature resource …
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Phosphogypsum (PG) is a by-product produced during the wet process of phosphoric acid (H3PO4) production from natural phosphate rocks. Approximately 4–6 tons of PG is produced per ton of ...
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The radioactivity of phosphogypsum can pose environmental and health concerns. Radon gas, a decay product of uranium, is particularly noteworthy. Odorless and colorless, …
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The main environmental concerns associated with phosphogypsum are: (i) movement of fluoride, sulfate, total dissolved solids, certain trace elements, and radionuclides …
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Phosphogypsum (PG) is a major hazardous by-product of the phosphate industry. The whole world is facing the challenge of increasing stockpiles of PG, which significantly …
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Conservation, public health, and environmental justice organizations notified the Environmental Protection Agency today of their intent to sue the agency for failing to respond to a rulemaking petition requesting …
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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 a concern regarding …
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Thousands of open-air waste pools near power plants, mines and industrial farms can pose safety dangers from poor management and, increasingly, the effects of climate change.
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"The health and safety of our communities must always come first. Allowing radioactive materials like phosphogypsum to be used in road construction is a direct threat to …
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Phosphogypsum is a solid waste byproduct from processing phosphate ore to make phosphoric acid that is later used in fertilizer. The phosphate ore and the resulting …
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Phosphogypsum (PG) is a byproduct of the wet manufacturing process for phosphoric acid and is considered an industrial waste material. ... weathering processes, …
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Conservation, public health and environmental justice organizations notified the Environmental Protection Agency today of their intent to sue the agency for failing to respond …
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Investigating effects of phosphogypsum disposal practices on the environmental performance of phosphate fertilizer production using emergy analysis and carbon emission …
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The environmental pollution caused by phosphogypsum cannot be ignored, which has become a global consensus [1–4]. In China, phosphogypsum has affected the …
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[House Hearing, 108 Congress] [From the U.S. Government Publishing Office] PHOSPHOGYPSUM: SHOULD WE JUST LET IT GO TO WASTE? PARTS 1 AND 2
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Seventy phosphogypsum stacks are scattered throughout the United States, concentrated in low-wealth and Black, indigenous, and people of color communities. These radioactive waste …
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The toxic and harmful substances in PG are solidified and stabilized by dry reaction with high targeting, which reduces the environmental pollution risk of PG, simplifies the …
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·The harm of gypsum to the environment was mainly caused by heavy metal elements of As Cd Cr Hg Using the risk exposure model recommended by the United States Environmental …
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"The well-documented harm to public health and the environment from this kind of waste leaking out of radioactive phosphogypsum storage stacks should lead to better oversight of Florida's ...
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The harm of gypsum to the environment was mainly caused by heavy metal elements of As, Cd, Cr, Hg. Using the risk exposure model recommended by the United States …
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2 Executive Summary: This document details the review performed by the U.S. Environmental Protection Agency, Office of Radiation and Indoor Air, Radiation Protection …
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2. Regulate the safe treatment, storage and disposal of phosphogypsum as hazardous waste; 3. Designate phosphogypsum a high-priority substance for risk evaluation; 4. Require …
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The mechanical pressing method can effectively seal the toxic and harmful substances in the waste gypsum and prevent them from releasing. ... To reduce the …
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