Phosphogypsum in Sustainable Road Construction: A …

Phosphogypsum, when stabilized with the right additives, can offer comparable strength while benefiting from a lower carbon footprint. Additionally, the lightweight nature of phosphogypsum-based composites might present an advantage in areas where soil stability is a concern, as it exerts less pressure on the underlying ground.

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The potential production of rock-based fertilizer and soil conditioner

Moreover, phosphogypsum is employed for some agricultural applications such as a supplement of plant-nutrients including S, Ca, and P and as a soil conditioner to increase the infiltration rate and reduce the soil erosion (Jacomino, 2010).Through this context, the current study concerns with the valorization of phosphate mine wastes at Abu ...

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Phosphogypsum Market | Future Growth Exploration by 2031

Road Construction. Roof Tiles. Soil Conditioner. ... Based on Product Types the Market is categorized into Below types that held the largest Phosphogypsum market share In 2023. Soil Amendment.

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Preparation of α-hemihydrate gypsum whiskers from phosphogypsum …

Capitalizing on its abundant sulfur resources, the chemical industry frequently employs PG in the synthesis of sulfuric acid, potassium sulfate, as well as some sulfur-based products[13]. Additionally, PG has remarkable effects on promoting crop growth and increasing agricultural yields, making it a valuable fertilizer or soil conditioner[14].

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Phosphogypsum: Properties and Potential Use in Agriculture

Phosphogypsum application could also serve to (1) improve soil quality by reducing levels of exchangeable sodium and magnesium percentage, (2) improve soil water movement and water storage in the root zone, (3) improve irrigation efficiency, (4) increase crop yields and water productivity (5) enrich the soil with phosphorus, calcium, and sulphur.

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US10913894B1

The present invention provides a construction method for ecologically protecting an expansive soil slope by combining phosphogypsum with microbial mineralization. The method includes: (1) placing Bacillus pasteurii in a culture medium to prepare a microbial solution, and mixing urea, calcium chloride and water to prepare a cementing solution; (2) preparing a mixture with …

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Application of phosphogypsum in soilization: a review

Phosphogypsum can be used as a conditioner to improve the physical and chemical characteristics of soil, delay soil degradation, and passivate heavy metals to replace natural …

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Synthetic Gypsum Global Market Report 2025 Including: 1) By …

1) By Citrogypsum: Food Industry Applications; Agricultural Applications; Construction Applications 2) By Fluorogypsum: Cement And Concrete Production; Soil Conditioning; Industrial Applications 3) By Phosphogypsum: Fertilizer Production; …

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Phosphogypsum with Rice Cultivation Driven Saline-Alkali Soil

The improvement of saline-alkali land plays a key role in ensuring food security and promoting agricultural development. Saline soils modifies the response of the soil microbial community, but research is still limited. The effects of applying phosphogypsum with rice cultivation (PRC) on soil physicochemical properties and bacterial community in soda saline …

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Application of Phosphogypsum in Road Construction

Keywords: road construction materials, waste from the producti on of phosphoric acid, phosphogypsum dihydrate, mineral powder, technology of as phalt concrete mixture preparation

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Phosphogypsum – An Industrial Byproduct with Value

Phosphogypsum holds significant potential for reuse as a soil amendment, in construction materials, and other applications, but applications must be …

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Application of phosphogypsum in soilization: a review

Phosphogypsum can be used as a conditioner to improve the physical and chemical characteristics of soil, delay soil degradation, and passivate heavy metals to replace natural gypsum materials for ...

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Phosphogypsum with Rice Cultivation Driven Saline-Alkali Soil

The improvement of saline-alkali land plays a key role in ensuring food security and promoting agricultural development. Saline soils modifies the response of the soil microbial community, but ...

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Road properties of cement-phosphogypsum-red clay under dry …

In this paper, the road performance and mechanism of cement-phosphogypsum-red clay (CPRC) under dry and wet cycling were systematically investigated using 5% cement as curing agent, the mass ratio of phosphogypsum: red clay = 1:1, and 5% SCA-2 as water stabilizer. The road performance of dry and wet cycle mix was verified with the National Highway G210 …

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Recycling the discharged soil from EPBS tunnels as a soil conditioner

Earth pressure balance shield (EPBS) has become the mainstream construction method for metro tunnels in China, which inevitably generates a large amount of discharged soil, putting enormous pressure on the environment and the cost. In order to realize the resource utilization of shield dregs, this paper explored the feasibility of recycling the waste silty clay as …

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Gypsum vs. Phosphogypsum

Gypsum and phosphogypsum are both forms of calcium sulfate, but they differ in their origins and chemical compositions. Gypsum is a naturally occurring mineral that is commonly found in sedimentary rock formations. It is widely used in construction and agriculture due to its ability to improve soil fertility and enhance the setting time of cement.

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Construction and Building Materials

Next, a study about the industrial by-product gypsum's recycling and reusing was carried out in the realm of construction and building materials (building materials, filling materials and soil conditioners). Then, the influence of the type and content of industrial by-product gypsum on key properties indicators was conducted.

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Development and Field Application of Phosphogypsum-Based Soil …

Abstract: A phosphogypsum-based subgrade stabilizer (PBSS) was formulated using industrial by-product phosphogypsum (PG), mixed with slag and calcium-silicon-rich active material (GSR). The active powder (AP) was used to modify PBSS, and PBSS-AP was obtained. PBSS and PBSS-AP were each mixed with 10% silty soil, and cement and lime (CAL: 5% lime + 2% …

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Simulation of red mud/phosphogypsum-based artificial soil …

Additionally, both red mud and phosphogypsum can be utilized as soil conditioners, offering advantages in immobilizing heavy metals, ameliorating soil salinity, ... Phosphogypsum as a construction material. J. Clean. Prod., 166 (2017), pp. 732-743, 10.1016/j.jclepro.2017.08.049. View PDF View article View in Scopus Google Scholar.

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Phosphogypsum

Managing cadmium in agricultural systems. M.J. McLaughlin, ... D. Montalvo, in Advances in Agronomy, 2021 2.2.4 Lime/gypsums. Gypsum (CaSO 4 · 2H 2 O) is applied to agricultural soils as a source of nutrients (Ca and S) and as a soil conditioner for amelioration of subsoil aluminum toxicity or for reclamation of sodic soils (Chen and Wick, 2011).Gypsum used for this purpose …

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Phosphogypsum as a construction material

Phosphogypsum (PG) is a by-product from the industry of phosphate fertilizer. PG can be reused as a construction material. Including PG in the matrix reduced its workability, …

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Phosphogypsum with Rice Cultivation Driven Saline-Alkali Soil

The results showed that the PRC significantly improved the physicochemical properties of soil, significantly reduced the salinity, increased the utilization efficiency of carbon, nitrogen, and …

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Mechanical properties and micro-mechanism of improved shield …

DOI: 10.1016/j.conbuildmat.2023.134437 Corpus ID: 266295012; Mechanical properties and micro-mechanism of improved shield tunnel muck with phosphogypsum and lime @article{Jiao2024MechanicalPA, title={Mechanical properties and micro-mechanism of improved shield tunnel muck with phosphogypsum and lime}, author={Ning Jiao and Jianwen Ding and …

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Sustainable Utilization of Phosphogypsum in Multi-Solid Waste

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 collaboration with …

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Phosphogypsum with Rice Cultivation Driven Saline-Alkali …

Phosphogypsum with Rice ... construction, and limit sustainable agricultural, economic, and social development. ... (CaSO4·2H2O), is a soil conditioner in which dissolved Ca2+ can undergo a ...

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Simulation of red mud/phosphogypsum-based artificial soil …

The leachate from red mud entering the soil causes soil alkalinization and hardening, causing poor growth or death of crops, while the leachate from phosphogypsum may lead to soil acidification, increasing the risk of heavy metals and other harmful substances being released again from soil particles (Wang et al., 2023b; Remisha et al., 2024).

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Recycling phosphogypsum in road construction materials and …

Environmental protection; Phosphogypsum; Recycling; Pretreatment; Highway engineering. 1. Introduction. Phosphoric acid (PA) is a common inorganic acid used in agriculture, food, pharmaceuticals, chemicals, etc. Phosphoric acid is a main raw material for producing agricultural phosphate fertilisers and a major food additive, and it is also used in manufacturing …

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Radiological Implications of Using Phosphogypsum as Soil Conditioner…

This study investigates the implications of using phosphogypsum (PG) as a soil conditioner in Brazilian agriculture, specifically focusing on the transfer of radionuclides from soil to plants. The research demonstrates that PG application does not significantly alter the levels of radionuclide radioactivity in crops such as soybean, corn, and ...

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Replacing cement with GGBS to stabilize phosphogypsum-soil …

The construction of large-scale engineering projects results in the generation of a considerable quantity of diverse engineering waste soil. A typical example is the excavated soil from road engineering, which is often in excess of the amount of backfill soil required [1], [2].Therefore, a significant amount of waste soil is produced.

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A review on the environmental impact of phosphogypsum and …

A nonnegligible fraction of PG occurs as nanoparticles (<0.1 μm). When PG are used for e.g., agriculture or construction purposes, nanoparticles (NPs) can be re-suspended by Aeolian and fluvial processes. ... Implications for Food Safety of the Uptake by Tomato of 25 Trace-Elements from a Phosphogypsum Amended Soil from SW Spain, vol. 266 ...

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