Continuous and simultaneous conversion of phosphogypsum waste to sodium sulfate and potassium sulfate using quaternary phase diagram

Laaboubi, Khaoula; Bouargane, Brahim; Pérez-Moreno, S.M.; Bakiz, B.; Raya, Juan Pedro Bolívar; Atbir, Ali

doi:10.1007/s11356-022-24799-4

Cited by 4 publications

(1 citation statement)

References 75 publications

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“…With this aim, Lachehab et al [153] carried out the chemical conversion of PG into CaCO 3 and K 2 SO 4 using KOH and CO 2 . Based on this, Laaboubi et al [154] devised a novel crystallization route to convert PG into Na 2 SO 4 and K 2 SO 4 , employing the quaternary reciprocal system Na + , K + //Cl − , SO 4 2− -H 2 O. In this sequence, Na 2 SO 4 was initially generated through the PG transition.…”

Section: Chemical Productsmentioning

confidence: 99%

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: Chemical Productsmentioning

confidence: 99%

The Impurity Removal and Comprehensive Utilization of Phosphogypsum: A Review

Guan,

Wang,

Zhou

et al. 2024

Materials

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Toxicity Profile, Phytochemical Composition, and Anti-scaling Properties of the Aqueous Extract of Ocimum basilicum L. Leaves as Novel Green and Cost-Effective Inhibitor: Experimental, MC/SAA and DFT Approach

housse

Hadfi²,

Karmal³

et al. 2023

Waste Biomass Valor

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From Grave to Cradle: Treatment, Resource Recycling, and Valorization of Phosphogypsum Wastes

Lou,

Liang,

Liu

et al. 2024

Environ. Sci. Technol. Lett.

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Phosphogypsum (PG) wastes, including solid-state PG and liquid-state PG leachate, are industrial byproducts generated during the production of phosphoric acid. It is of great concern due to the large-scale product accumulation and environmental and geological hazards. Harmless treatment and green chemical resource utilization techniques emerge to be the critical solutions for solving the PG waste problem. This review aims to comprehensively summarize the recent advances in harmless treatment, resource recovery, and valorization of PG wastes. The technique advancements regarding the harmless treatment, decontamination, and valorization of solid-state PG waste with different physical, chemical, thermal, and biological approaches are summarized. Additionally, the comprehensive physical chemistry mechanisms underneath the treatment and valorization strategies for PG leachate have also been discussed. For future work, the challenges and perspectives for resource utilization of solid-state PG and leachate are highlighted. With the systematic information on these aspects, we expect this review will serve as a guideline for the young generations working on PG waste treatment and resource recovery.

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Continuous and simultaneous conversion of phosphogypsum waste to sodium sulfate and potassium sulfate using quaternary phase diagram

Cited by 4 publications

References 75 publications

The Impurity Removal and Comprehensive Utilization of Phosphogypsum: A Review

The Impurity Removal and Comprehensive Utilization of Phosphogypsum: A Review

Toxicity Profile, Phytochemical Composition, and Anti-scaling Properties of the Aqueous Extract of Ocimum basilicum L. Leaves as Novel Green and Cost-Effective Inhibitor: Experimental, MC/SAA and DFT Approach

From Grave to Cradle: Treatment, Resource Recycling, and Valorization of Phosphogypsum Wastes

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