Application of phosphogypsum for the improvement of …
— Properties of phosphogypsum for application in cements. The use of PG in cement production depends on the nature of the phosphate ore, the type of process employed, the efficiency of plant operation, the method of disposal, and the location and depth of the landfill or pile where it is discharged (Arman and Seals, 1990).
Mechanical Properties and Optimal Mix Design of …
— By incorporating phosphogypsum into the mix, the early strength development of lightweight soil is effectively improved. Moreover, with suitable mix …
Application of phosphogypsum in soil stabilization
— This study reports the application of phosphogypsum with cement and fly ash as a stabilization agent on two selected soils. In the light of the test results the following conclusions can be made: 1. Treatment with phosphogypsum, fly ash and cement generally reduces the plasticity index. Principally, a reduction in plasticity is an indicator of ...
Application of phosphogypsum in soilization: a review
— This review summarizes the state-of-the-art research on phosphogypsum application in agriculture and soilization, as well as ideas and suggestions for its …
Land Degradation & Development | Environmental & Soil …
— In participation with the local farming community, we carried out a 4-year field experiment in Southern Kazakhstan to evaluate the effects of soil application of phosphogypsum—0, 4·5, and 8·0 metric ton per hectare (t ha −1)—on chemical changes in a soil containing excess levels of Mg 2+, and on cotton yield and economics.
Phosphogypsum: Properties and Potential Use in Agriculture
— Determine the physical, chemical, and radioactive properties of phosphogypsum. Discuss the uses of phosphogypsum in agriculture as a fertilizer, …
Effect of Phosphogypsum on Soil Physical Properties in …
— Phosphogypsum application generally improved soil physical properties, principally for soils of Chichaoua and Ras El Ain regions. Phosphogypsum, a coproduct from the processing of phosphate rock, represents a promising solution for improving soil quality. The improvement of the soil's physical attributes enhances the root, vegetative …
Phosphogypsum production and utilization in China
— Phosphogypsum (PG) is a radioactive industrial by-product produced in large quantities when processing phosphate ores into fertilizers. With rapid growth of high concentration phosphate and compound fertilizers production in China, PG production is increasing every year. Phosphogypsum is usually stored in such a way that it not only …
Research hotspots and trends of comprehensive utilization …
— Fig. 2 shows the number and growth trend of published literatures in the field of phosphogypsum resource utilization from 1985 to 2020. As shown in Fig. 2 a, after 1985, the number of literatures published in the field of phosphogypsum resource utilization increased year by year.Before 2008, the number of published literatures on …
Development and Application of Phosphogypsum in …
.,. 4%~5% ；,90%, 75%。
Soil Stabilization by Phosphogypsum: A Review
phosphogypsum is generated for every Ton of phosphoric acid productionit can be concluded that p hosphogypsum generation in the Country is about 11 Million Tons per annum. Phosphogypsum is a dampgray colored, fine grained, powder, silt or silty sand material. The maximum particle size of phosphogypsum ranges between 0.5 mm and …
(PDF) Phosphogypsum Processing Method
— The authors present the results of the research on creating a technology for phosphogypsum processing with the application of electro-magnetic units for material processing.
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, wit...
Phosphogypsum: A Review of the Florida Institute of …
Phosphogypsum utilization has evolved along three broad use groupings: (1) Chemical raw material (2) Agricultural applications (3) Construction materials. Each of these uses will be considered in more detail, but it should be pointed out that for years Florida has not been in the forefront of the efforts to utilize phosphogypsum.
Application and Development Prospects of Phosphogypsum …
The phosphogypsum (PG) pile of solid waste is of immense proportions and poses a grave threat to the ecological environment, with its reserves steadily increasing year after year. The urgent need for large-scale consumption and high-quality utilization of PG in industrial production has become apparent. The present study provides a comprehensive analysis …
Properties, Purification, and Applications of Phosphogypsum: …
— Introduction. Phosphogypsum (PG) is a solid grey, moist, fine-grained by-product powder generated during the production of phosphoric acid which has the …
Sustainable Utilization of Phosphogypsum in Multi-Solid …
— 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 economic aspects of sustainability, we investigate the feasibility of employing phosphogypsum as a primary raw material, in …
UTILISATION OF PHOSPHOGYPSUM IN CEMENT MORTAR …
Abundant of research investigations have been conducted to utilized the waste or chemical gypsum, phosphogypsum for various applications. Most of the research investigations were carried out by purifying phosphogypsum for the impurities present in it and then its utilization were suggested. In another research approach phosphogypsum could be utilized …
Phosphogypsum: Properties and Potential Use in …
acid, 4–5 tons of phosphogypsum are produced (El Issiouy et al. 2013; Papastefanou et al. 2006). 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
Resource utilization and development of phosphogypsum …
— Phosphogypsum (PG) is a bulk industrial solid waste of wet-process phosphoric acid production. Every ton of phosphoric acid production generates as many as 4–6 tons of PG, including more than 90% of CaSO 4 ·2H 2 O, a small amount of phosphorus, fluorine, organic matter, oxides, heavy metals, radioactive substances and …
Phosphogypsum: potential uses and problems – a review
— To restore degraded sod-podzolic soils, a peat-sand substrate enriched with compost from quail manure without and with the application of phosphogypsum to stabilize organic compounds of compost ...
Simulation of red mud/phosphogypsum-based artificial soil …
It also contains phosphorus (P), fluorine (F), heavy metals, rare earth elements, etc. The amount of phosphogypsum generated is enormous, with 4 to 5 tons of phosphogypsum produced for every ton of phosphoric acid. The global production of phosphogypsum reaches up to 7 billion tons, increasing annually by 250 million tons (Lv and Xiang, 2023 ...
Phosphogypsum circular economy considerations: A critical …
— Phosphogypsum (PG) is the primary byproduct generated during the production of phosphoric acid, an intermediate product in phosphate fertilizer production, from calcium phosphate (apatite) ore. PG also exists in very small amounts in nature where it is the result of natural guano processes as they took for instance place in the …
The application of phosphogypsum in …
— Phosphogypsum (PG) is a by-product of phosphoric acid production and according to the Waste Management Strategy of the Republic of Croatia for 2007 - 2015 (Official Gazette 85/07, 126/10, …
Application of phosphogypsum in soilization: a review
(phosphate mines, phosphorus chemical enterprises, phosphogypsum stockpiles in the waste stockpiles, and environmental pollution problems). This review summarizes the state-of-the-art research on phosphogypsum application in agriculture and soilization, as well as ideas and suggestions for its eective utilization in resource soil improvement.
Surface modification of phosphogypsum and application in …
— Phosphogypsum (PG) is one of solid wastes with large amount of yield and serious pollution, which has attracted wide attention. The aim of this study is to investigate filling performance of PG on polypropylene (PP) or high-density polyethylene (HDPE) matrix. In this work, PG was calcined initially to improve whiteness and fix impurities. X …
Valorization of phosphogypsum in cement-based materials…
— The work by Zemni et al. [44] provides a study on the generation of calcium silicate and sodium sulphate, through the chemical reactions between phosphogypsum and sodium silicate.The results showed that the solid produced during the reaction can sequester CO 2.Rashad [17] assessed the effect of PG on properties such as …
Effect of phosphogypsum application on aluminum …
— Purpose Legume establishment and persistence in New Zealand hill and high-country soils are largely limited by high soil acidity and associated aluminum (Al) toxicity. The present study aimed to evaluate the effect of four rates of phosphogypsum (0, 1, 3, and 9 t ha−1) on Al speciation in the soil solution and to examine which species are …
Exploring the potential reuse of phosphogypsum: A waste …
— The management of solid mine waste requires a detailed characterization and a full understanding of the reparation of elements in the origin rock and their distribution in the waste matrix (Elghali et al., 2018).It is now generally acknowledged that the distribution, mobility, availability, and toxicity of chemical elements are determined not …
Crop Response to Soil Applications of …
— Phosphogypsum (PG), a by-product of the phosphate industry, was incorporated with soil to determine effects of land disposal on crop growth and uptake of cadmium (Cd) and radium (Ra). Application …