Exploring the potential reuse of phosphogypsum: a waste or a resource?

F Akfas, A Elghali, A Aboulaich, M Munoz… - Science of the total …, 2024 - Elsevier
Phosphogypsum (PG), the main industrial by-product of phosphate fertilizer industry,
primarily consists of calcium sulfate dihydrate. However, it contains various impurities with …

Influence of trace chemical constituents in phosphogypsum for road base applications: A review

KD Weiksnar, KA Clavier, SJ Laux… - Resources, Conservation …, 2023 - Elsevier
The use of phosphogypsum as an amendment to graded aggregate road base serves as an
alternative to traditional and recycled aggregate sources. This provides a solution to issues …

Characterization of phosphate rock and phosphogypsum from Gabes phosphate fertilizer factories (SE Tunisia): high mining potential and implications for …

R El Zrelli, L Rabaoui, N Daghbouj, H Abda… - … Science and Pollution …, 2018 - Springer
Since the establishment of the coastal industrial complex in Gabes city (Gulf of Gabes, SE
Tunisia), hundred million tons of untreated phosphogypsum have been discharged in the …

Characterization of the Tunisian phosphogypsum and its valorization in clay bricks

L Ajam, MB Ouezdou, HS Felfoul, R El Mensi - Construction and Building …, 2009 - Elsevier
This study concerns the analysis of the incorporation of phosphogypsum (PG) into the fired
clay bricks. In Tunisia, for several years, a set of phosphoric acid production factories have …

Utilization of solidified phosphogypsum as Portland cement retarder

W Shen, G Gan, R Dong, H Chen, Y Tan… - Journal of Material Cycles …, 2012 - Springer
The utilization of the phosphogypsum (PG) as cement retarder is both an economical and an
ecological approach to treat this solid waste. Cement using raw PG as retarder has two …

Valorization of phosphogypsum as hydraulic binder

T Kuryatnyk, CA Da Luz, J Ambroise, J Pera - Journal of Hazardous …, 2008 - Elsevier
Phosphogypsum (calcium sulfate) is a naturally occurring part of the process of creating
phosphoric acid (H3PO4), an essential component of many modern fertilizers. For every …

Treatment of phosphogypsum waste using suitable organic extractants

H El-Didamony, M Ali, N Awwad, M Fawzy… - … of radioanalytical and …, 2012 - akjournals.com
Phosphogypsum (PG) is a residue of the phosphate fertilizer industry that has relatively high
concentrations of harmful radioactive materials. The reduction in concentration of the …

Solubility study and valorization of phosphogypsum salt solution

I Hammas, K Horchani-Naifer, M Férid - International journal of mineral …, 2013 - Elsevier
This paper aims to transform a phosphogypsum (PG) solution to non-toxic and industrially
useable compounds. For that, the solubility of the Tunisian PG was studied in different …

Blending phosphogypsum to mitigate radionuclide leaching for sustainable road base applications

KD Weiksnar, DJ Lott, TG Townsend - Science of The Total Environment, 2024 - Elsevier
Production of phosphoric acid generates a calcium sulfate byproduct known as
phosphogypsum (PG). PG is not considered a suitable standalone road base material …

Phosphogypsum utilization in fired bricks: Radioactivity assessment and durability

L Ajam, ABEH Hassen, N Reguigui - Journal of Building Engineering, 2019 - Elsevier
This paper presents results in a room constructed using fired bricks made partly with
phosphogypsum. Radon-222 concentration values are monitored and reported for two …