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 …

Phosphogypsum as a construction material

AM Rashad - Journal of cleaner production, 2017 - Elsevier
Phosphogypsum (PG) is a by-product from the industry of phosphate fertilizer. Approximately
4–6 tonnes of PG are generated per tonne of phosphoric acid production. The continuous …

Rheology, mechanical properties, and hydration of synergistically activated coal gasification slag with three typical solid wastes

J Xiang, J Qiu, Y Zhao, P Zheng, H Peng… - Cement and Concrete …, 2024 - Elsevier
The utilization of multiple solid-waste-activated slags to prepare clinker-free binders has
garnered considerable interest due to their environmental friendliness and low cost. In this …

[HTML][HTML] Recent research in utilization of phosphogypsum as building materials

G Murali, M Azab - Journal of Materials Research and Technology, 2023 - Elsevier
The phosphate industry produces a hazardous byproduct called phosphogypsum (PG). A
rising global stockpiling of PG poses severe threats to public health and the environment …

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 …

Effective and innovative procedures to use phosphogypsum waste in different application domains: review of the environmental, economic challenges and life cycle …

B Bouargane, K Laaboubi, MG Biyoune, B Bakiz… - Journal of Material …, 2023 - Springer
Phosphogypsum (PG) waste is a by-product generated from wet-process phosphoric acid
(H3PO4) manufacturing during phosphate rock decomposition. Worldwide, the annual …

Usage of biowashing to remove impurities and heavy metals in raw phosphogypsum and calcined phosphogypsum for cement paste preparation

J Xiang, J Qiu, P Zheng, X Sun, Y Zhao, X Gu - Chemical Engineering …, 2023 - Elsevier
In the previous studies, chemical, physical, and heat treatment methods are commonly used
to treat waste phosphogypsum (PG). This study reports a new method that uses biowashing …

Reuse of phosphogypsum as hemihydrate gypsum: The negative effect and content control of H3PO4

R Jia, Q Wang, T Luo - Resources, Conservation and Recycling, 2021 - Elsevier
Phosphogypsum can replace natural gypsum to produce hemihydrate gypsum. In order to
effectively reutilize phosphogypsum, the influence mechanism of the impurities in …

Environmental impact and management of phosphogypsum

H Tayibi, M Choura, FA López, FJ Alguacil… - Journal of environmental …, 2009 - Elsevier
The production of phosphoric acid from natural phosphate rock by the wet process gives rise
to an industrial by-product called phosphogypsum (PG). About 5tons of PG are generated …

Recycling utilization of phosphogypsum in eco excess-sulphate cement: Synergistic effects of metakaolin and slag additives on hydration, strength and microstructure

Z Wang, Z Shui, T Sun, X Li, M Zhang - Journal of Cleaner Production, 2022 - Elsevier
Landfilled phosphogypsum would cause severe environmental issues, but the waste can be
recycled for preparing excess-sulphate cement, an eco-friendly alternative to conventional …