Properties, Purification, and Applications of Phosphogypsum: A Comprehensive Review Towards Circular Economy

Awad, Said; Essam, Mohamad; Boukhriss, Aicha; Kamar, Mohamed; Midani, Mohamad

doi:10.1007/s42824-024-00100-5

Cited by 7 publications

(2 citation statements)

References 158 publications

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“…There are two main reasons for the low utilization rate of PG; primarily, large amounts of impurities, especially the high radioactivity levels caused by radium and other radionuclides [7], seriously limited the quality and utilization of PG products, followed by the low valueadded products that significantly restricted the sale radius. Therefore, reducing the impurity content and increasing the added value of PG products is a crucial way to solve the problem of PG accumulation [8][9][10].…”

Section: Introductionmentioning

confidence: 99%

“…Materials 2024, 17, x FOR PEER REVIEW 2 of 27 impurity content and increasing the added value of PG products is a crucial way to solve the problem of PG accumulation [8][9][10]. In this review, we systematically summarize the impurity removal methods and reuse approaches of PG and compare the advantages and disadvantages of various methods.…”

Section: Introductionmentioning

confidence: 99%

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The Impurity Removal and Comprehensive Utilization of Phosphogypsum: A Review

Guan,

Wang,

Zhou

et al. 2024

Materials

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Phosphogypsum (PG), a byproduct during the phosphoric acid production process, also known as the wet process, contains complex and diverse impurities, resulting in low utilization and considerable accumulation. This leads to a massive waste of land resources and a series of environmental pollution problems. Given the current urgent ecological and environmental situation, developing impurity removal processes with low energy consumption and high efficiency, exploring valuable resource recovery, preparing high value-added PG products, and broadening the comprehensive utilization ways of PG are significant strategies to promote the sustainable consumption of PG and sustainable development of the phosphorus chemical industry. This review comprehensively summarizes the advantages and disadvantages of existing PG impurity removal and utilization technologies and probes into the future development direction, which provides references and ideas for subsequent PG research.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%