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 resource utilization.
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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 Market Size,Demand & Supply, Regional and Competitive Analysis 2023-2029. The global Phosphogypsum market is expected to reach US$ XX Million by 2028, with a CAGR of XX% from 2023 to 2028, based on Research newly published report.. The prime objective of this report is to provide the insights on the post COVID-19 impact which will …
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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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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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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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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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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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Currently, many recycling initiatives for PG have been suggested. In agriculture, PG is utilized as a soil conditioner and fertilizer (OUTBAKAT et al., 2024; Zhang et al., 2024). In the chemical industry, it is employed for the production of calcium sulfate and ammonia sulfate (Orabi et …
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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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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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In recent years, phosphogypsum soil improvement and soilization have become research hotspots. 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 resource utilization.
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Soil conditioner Phosphogypsum: Title in Chinese: : Language: English: File Format: Electronic (PDF) Delivery: Via email in 1~3 business day: ICS Classification: 65.080-Fertilizers: Chinese Classification: G21-Chemical fertilizer and chemical soil conditioner: Professional Classification: HG-Chemistry: Issued on: 2011-12 ...
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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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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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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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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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Phosphogypsum (PG) has been widely investigated for beneficial reuse in road base. Physical properties of PG, (e.g., high solubility and low bearing strength) make it unsuitable for road …
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Phosphogypsum, a byproduct of the phosphate fertilizer industry, has long posed environmental and disposal challenges. However, recent research highlights its potential as an …
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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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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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As a soil conditioner, ... Hentati, O. et al. Phosphogypsum as a soil fertilizer: Ecotoxicity of amended soil and elutriates to bacteria, invertebrates, algae and plants. J. Hazard.
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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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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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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 ... 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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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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PRODUCT PHOSPHOGYPSUM Presented To: THE NINTH INTERNATIONAL SYMPOSIUM ON NATURALLY OCCURRING RADIOACTIVE MATERIAL DENVER, COLORADO 23-27 SEPTEMBER 2019 ... Agriculture: Fertilizer/Soil Conditioner Road building Construction Materials Landfill cover Glass/ceramic Marine projects Sulfur recovery Florida Industrial and Phosphate …
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Phosphogypsum (PG) is a byproduct of the wet phosphoric acid process, with calcium sulfate as its primary component. Approximately 4.5–5.0 t of PG are generated per ton of phosphoric acid produced (Li & Gu, 2016).Globally, the cumulative stockpiles of PG have reached 6 billion t, with an annual increase of 200 million t (Ou et al., 2021).By the end of 2020, PG …
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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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The road construction pilot project will have a layer of asphalt on top of the layer of road base containing phosphogypsum. On December 23, 2024, EPA approved a request from Mosaic Fertilizer, LLC for use of …
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Phosphogypsum holds significant potential for reuse as a soil amendment, in construction materials, and other applications, but applications must be …
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Residual effects of phosphogypsum rates and machinery traffic on soil. Construction and Building Materials. 2024; 2. Save. ... This study reports long- and medium-term effects of the application of up to 12 Mg ha -1 of phosphogypsum (PG) as soil conditioner and source of Ca and S, in two field trials, conducted under no-till … Expand. 58 [PDF ...
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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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Phosphogypsum has also been recognized as a soil conditioner or slow-release fertilizer in agriculture. It is rich in vital nutrients like phosphorus ... Doan, T. X. Utilization phosphogypsum as a construction material for road base: a case …
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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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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 …
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