Phosphogypsum | US EPA
2024年11月25日 · 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 …
Radioactive Material From Fertilizer Production | US EPA
2024年9月3日 · Phosphogypsum, a waste product from manufacturing fertilizer, emits radon, a radioactive gas. It also contains the radioactive elements uranium, thorium and radium. …
EPA Approves Use of Phosphogypsum in Road Construction
2020年10月14日 · By finding a new way to use phosphogypsum, EPA is helping create a sustainable path to improve the environment while allowing for responsible reuse and …
Phosphogypsum - an overview | ScienceDirect Topics
Phosphogypsum (PG) is a bulk industrial solid waste of wet-process phosphoric acid production. Every ton of phosphoric acid production generates as many as 4–6 tons of PG, including more …
Phosphogypsum – An Industrial Byproduct with Value
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 …
Properties, Purification, and Applications of Phosphogypsum: A ...
2024年2月26日 · 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 …
Phosphogypsum circular economy considerations: A critical …
2023年8月15日 · Phosphogypsum (PG) is the primary byproduct generated during the production of phosphoric acid, an intermediate product in phosphate fertilizer production, from calcium …
Phosphogypsum - an overview | ScienceDirect Topics
Phosphogypsum (PG) is the by-product of phosphoric acid plants. The PG dissolves faster, produces an acidic reaction, generates leaching solution with higher electrolyte concentration, …
Phosphogypsum: Properties and Potential Use in Agriculture
2023年2月28日 · Phosphogypsum (PG) is a calcium sulphate dihydrate and a by-product of the phosphate fertilizer industry. It is produced in huge quantities (300 MT/year), but only 15% of …
Phosphogypsum: potential uses and problems – a review
2017年6月19日 · 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.
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