The amount of phosphogypsum generated in the …
According to other data, Morocco is the first world exporter of phosphate and the third producer with a production of 30 million tons per year [77]. ... ... has over 17 phosphate fertilizers...
Life cycle environmental and economic assessment of Phosphogypsum
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 …
Valorization of phosphogypsum in cement-based materials…
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.
Phosphogypsum: Properties and Potential Use in …
produced, with an annual rise of 300 million tons (Cuadri et al. 2021). The question of considering phosphogypsum as a waste or a resource has been widely discussed in the literature, depending on the regulations in different countries. Despite the restrictions in some countries, phosphogypsum is used all over the world
Potential uses of phosphogypsum: A review
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.
The using of waste phosphogypsum and natural gypsum …
The average annual production of PG in Turkey is about three million tons. The lack of utilization possibility of PG in the country causes economic loss and environmental pollution. Considering the difficulties of obtaining natural stabilization materials, PG can be used as an alternative stabilization material.
Life cycle environmental and economic assessment of Phosphogypsum
Phosphogypsum (PG) is a byproduct generated during the wet processing of phosphoric acid production from phosphate rock (Baolin et al., 2022).It is estimated that 4.5–5.5 tons of PG are produced for per ton of phosphorus pentoxide produced (El-Didamony et al., 2012).PG has a complex, with more than 80 %−90 % consisting of CaSO 4 ·2H 2 O. However, …
[PDF] Intensive annual crop production and root …
The long-term results showed the viability of surface plus phosphogypsum for improving tropical soil fertility, which can reflect an increase in grain yield and contribute to the sustainability of agricultural systems under intensive land use in highly weathered areas. In tropical conservation agricultural systems, crop yield is limited by soil acidity and root-growth …
Research Progress on Resource Utilization of Phosphogypsum …
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 …
A systematic review of phosphogypsum recycling industry …
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 …
Phosphogypsum circular economy considerations: A critical …
Nearly 300 million t of phosphogypsum (PG) are produced every year as a byproduct from phosphate fertilizer production worldwide. Approximately 58% of the PG are …
Phosphogypsum production and utilization in China
Phosphogypsum production and utilization in China, L M Chuan, H G Zheng, J J Zhao, A L Wang, S F Sun
Review on high-value utilization of phosphogypsum: …
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. ... [110], [111]. Then UK, France, Poland, South Africa and other countries successively developed natural gypsum, hard gypsum and PG as the raw material for the co-production of sulfuric acid ...
Phosphogypsum – An Industrial Byproduct with …
As a result, domestically produced phosphogypsum is stored in "stacks" all over the country – massive containment ponds where phosphogypsum is indefinitely piled. The International Atomic Energy Agency ( IAEA ) estimates that each …
Review on high-value utilization of phosphogypsum: …
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 …
Phosphogypsum Processing to Critical Raw Materials
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.
Sustainable Utilization of Phosphogypsum in …
This study contributes to sustainable construction practices by exploring the use of phosphogypsum, a commonly discarded byproduct, in the production of recycled aggregates. Addressing both environmental and …
Phosphogypsum: Properties and Potential Use in Agriculture
Currently, between 3 and 4 billion tons of phosphogypsum have been produced, with an annual rise of 300 million tons (Cuadri et al. 2021). The question of considering phosphogypsum as a waste or a resource has been widely discussed in the literature, depending on the regulations in different countries.
Application areas of phosphogypsum in production of …
industrial production are given in Table 3. 5 PG as admixture for Portland cement 5.1 Phosphogypsum as mineralizing admixture The use of PG as mineralizer at Portland cement clinker calcination is known in many countries (Japan, Russia, Lithuania and others). Adding 2 to 3% of PG (1% of SO) )
Rare earths in Philippine phosphogypsum: Use them or lose …
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 ...
Sustainable Management of the Phosphogypsum …
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 …
Treated phosphogypsum as an alternative set regulator and mineral
Phosphogypsum is a type of solid waste generated during the production of phosphate fertilizer. Annual phosphogypsum generation is estimated to be 200-300 million tons globally [14] [15][16][17 ...
phosphogypsum emissions in my country
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 ).
Radioactivity in Future Phosphogypsum: New predictions …
Phosphogypsum (PG), a significant Technologically Enhanced Naturally Occurring Radioactive Material (TENORM) (IAEA, 2003), is a by-product of phosphoric acid production from rock phosphate – a process that underpins inorganic P fertiliser production for agriculture.Global food production is currently dependent on inorganic P fertilisers so there has been much …
PHOSPHOGYPSUM USES IN AGRICULTURE
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 …
Phosphogypsum utilization and production in China from …
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 ...
Removal Technology in Phosphogypsum
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
Removal Technology in Phosphogypsum
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%
Application of phosphogypsum in soilization: a review
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
Engineering Soil Quality and Water Productivity Through …
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%) …