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According to the Phosphogypsum Leadership Innovation Partnership report published by the International Fertilizer Association (IFA) in 2020, the primary pathways for the comprehensive utilization pathways of PG in major PG-producing countries are focus on three sectors: agriculture, construction, and roads (Hilton et al., 2020). Due to differences in national …
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The PG production in a country commonly correlates with its phosphoric acid production, and thus with its number of phosphate deposits. In 2012, around 250 million tons of PG were produced with the largest producers being Morocco (32%), China (25%), USA (18%), India (5%), ( Layr and Hartlieb, 2019 ).
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2018). The production of PG in China reached 7.5×107 t in 2019 and is increasing at a rate of 1.5–2 × 104 t/year. Table 1 shows the annual production statistics of PG in vari-ous countries. Status of phosphogypsum utilization Natural gypsum (CaSO 4 ·2H 2 O) is a versatile industrial and construction material, which is heavily mined and this
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The integration of phosphogypsum with asphalt and concrete presents intriguing possibilities for enhancing road construction materials. When combined with asphalt, phosphogypsum can act as a filler, improving the density and stability of the mix. This combination helps in reducing voids and enhancing the overall durability of the pavement.
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The annual share of world production of phosphate rock is approximately: USA-25%; ... The problem of recycling and storage of phosphogypsum is topical for many countries around the world, as it is ...
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Phosphogypsum annual production in several countries 3 Country production (million tons/year) Reference (Awad et al 2024) China 22.0–75.0 Yang et al. 2016; Sun et al. 2022 USA 30.0–50.0 Wędrychowiczet al. 2019; Liang et al. 2017 Morocco 14.0–15.0 Ennaciri et al. 2020a Russia 14.0 Lutskiy et al. 2018 Tunisia 10.0–12.0 Garbaya et al. 2021; Samet et al. 2019; Lassaad and …
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For every ton of phosphoric acid, 4–5 tons of phosphogypsum are produced (El Issiouy et al. 2013; Papastefanou et al. 2006). Currently, between 3 and 4 billion tons of …
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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 …
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2. Morocco Mine production: 35 million metric tons. As the second largest phosphate-producing country, Morocco produced 35 million metric tons of the fertilizer in 2023, down from 39 million MT in ...
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The U.S. produces approximately 20% of the world's phosphogypsum. In countries where reuse is practiced – such as road building, construction material, fertilizer, and landfill cover – up to 20% of annual …
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This USGS global map highlights the 15 countries that had the highest phosphate rock mine production in 2023. The 15 countries are color coded by volume, in millions of tons …
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Phosphogypsum production and utilization in China, L M Chuan, H G Zheng, J J Zhao, A L Wang, S F Sun
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The world's annual production of phosphogypsum (PG) is up to 200 million tons at present. It was found that 15 % of PG produced worldwide is recycled. Therefore, it is imperative to seek a new pathway to recycle PG. This work provides an overview of the state-of-the-art scheme for high-value utilization of PG. Compared with previously published ...
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Environmentally Friendly Concept of Phosphogypsum Recycling ·The annually worldwide production of phosphogypsum is possibly up to 100 million tons This paper focuses on the environmental analysis of chemical wastes as resource of technogenic genesis natural water and plant products contamination by interactions with phosphogypsum in different countries Brazil …
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largest phosphogypsum resource by-product country, with annual production in phos- phogypsum of about 75 million tons, but the comprehensive utilization rate is about 45%
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Phosphorus chemical companies in China are primarily clustered within phosphorus-rich provinces like Sichuan, Hubei, Guizhou, and Yunnan, with an annual production of 75 × 10 6 t of PG in 2020 (Cui et al., 2022b). Under the combined pressures of ecological environmental preservation and rising economic costs, the structure of PG recycling industry in …
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Phosphogypsum is a by-product originated from wet-process phosphoric acid, which contains some impurities such as soluble phosphorus, soluble fluorine, some salts, heavy metals and organic compounds, which lead to difficulty to be used. Jillion phosphogypsum accumulated not only occupies land, pollutes the circ。umjacent atmosphere and water and …
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China is a significant producer of phosphogypsum production; the annual growth rate of phosphogypsum is about 70 million metric tons, of which the comprehensive utilization rate is only 15 percent.
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largest phosphogypsum resource by-product country, with annual production in phos-phogypsum of about 75 million tons, but the comprehensive utilization rate is about 45% only; as the accumulated stockpile has reached 830 million tons, which takes up a lot of land, there is a serious risk of environmental pollution [1–4] and a waste of precious
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Phosphorus chemical companies in China are primarily clustered within phosphorus-rich provinces like Sichuan, Hubei, Guizhou, and Yunnan, with an annual production of 75 × 10 6 t of PG in 2020 (Cui et al., 2022b).Under the combined pressures of ecological environmental preservation and rising economic costs, the structure of PG recycling industry in …
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At present, the utilization rate of phosphogypsum in China is still relatively low, 2010-2020 China's phosphogypsum annual production and utilization rate as shown in Figure 2, 2010-2020 China's ...
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At the current rate of production, these stacks of low-radioactive material are growing by some 200 million t per year. From a regional environmental point of view, PG maybe the single most critical processing issue of fertilizer production today.
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The U.S. produces approximately 20% of the world's phosphogypsum. In countries where reuse is practiced – such as road building, construction material, fertilizer, and landfill cover – up to 20% of annual phosphogypsum production is diverted from stacking to other uses. While the approval of TFI's request does not mean that ...
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Phosphogypsum (PG) is a radioactive industrial by-product produced in large quantities when processing phosphate ores into fertilizers. With rapid growth of high concentration phosphate and compound fertilizers production in China, PG production is increasing every year.
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The combined annual production capacity of 19 reporting facilities is over 11 million MT. In 1988, the aggregate production of nearly 8.5 million MT yielded a capacity utilization rate of about 77 percent (EPA90). ... These countries have used phosphogypsum extensively in cement, wallboard, and other building materials (SCA91). Because of the ...
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Water scarcity and soil degradation pose challenges to sustainable agriculture. Phosphogypsum, a low-cost solid waste, shows potential as a soil amendment, but its impact on water saving and soil quality need further study. This research assessed the effects of phosphogypsum application rates (CK: no phosphogypsum, 0.075%, 0.15%, 0.3% and 0.6%) …
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Phosphogypsum (CaS04), a by -product of phosphoric acid production from rock phosphate is a potential source of calcium and sulfur for plants, as well as an ameliorant for alkaline and sodic soils. Phosphogypsum production worldwide exceeds 150 million Mg annually, with only about 4 percent being used in agriculture and industry and the rest being dumped into the ocean or …
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The production of phosphogypsum has significantly . increased as a result of recent phosphate industry advance-ments in China, India, and several other nations with quickl y .
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Phosphogypsum (PG) is a by-product of the phosphate fertilizer industry that is produced during the phosphoric acid production process. Annual global PG production ranges between 100 to 300 Mt, with only 15% of that utilized while the rest is usually placed on large dumps with potential serious human and environmental impacts.
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Phosphogypsum: Its Role and Importance in the Phosphoric Acid Industry 2 PG Production Globally: 300 mt/year (Sengupta and Dhal, 2021) PG are partly (15%) managed via i. Cement …
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