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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. ... IN TROPICAL SOIL AMENDED WITH PHOSPHOGYPSUM Clay soil Sandy soil Clay soil + PG_Mosaic_Cubatão Sandy soil + PG_Mosaic_Cubatão Cr Ni Pb Hg 0 5 10 15 20 25 30 35 kg ...
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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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The present invention provides a biological soil conditioner containing phosphogypsum and application thereof. The biological soil conditioner is produced by industrialization, can utilize a solid waste of the phosphogypsum generated by phosphorus chemical industry enterprises, such as a phosphate fertilizer plant, a phosphoric acid plant and the like, in a recycling way, reduces …
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Some researchers and scholars have shown that the incorporation of phosphogypsum into soil improves aeration, porosity, permeability, oxygen supply, and uptake …
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A construction method for ecological protection of an expansive soil slope by using phosphogypsum and microbial mineralization technology is characterized by comprising the following steps: (1) putting the bacillus pasteurianus into a culture medium to prepare a microbial solution, and mixing urea, calcium chloride and water to prepare a cementing solution; (2) …
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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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Massive shield tunnel muck is being landfilled without effective use due to high moisture contents and poor engineering properties, which not only leads to soil resources waste, but also occupies a large amounts of land sources.In this study, industrial waste phosphogypsum (PG) was recycled to improve the tunnel muck with lime, and the improved muck is aiming to …
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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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Phosphogypsum (PG) is a metal and radionuclide rich-waste produced by the phosphate ore industry, which has been used as soil fertilizer in many parts of the world for …
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•Phosphogypsum can be used as a soil amendment to repair sodic/saline or magnesium-affected soils, and those in low exchangeable calcium •It also tends to reduce crusting and enhance …
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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 gypsum materials for ...
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The paper presents the results of laboratory studies of more than 390 samples of phosphogypsum neutralized with construction lime. The deformation and strength properties as well as the water permeability were determined on specially prepared samples with the relative compaction of 0.95, 0.90 and 0.80 by methods used in engineering and ...
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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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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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By constructing a small-scale test site and preparing two types of artificial soils using red mud and phosphogypsum, this study simulated their engineering applications in …
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According to the FAO, 828 million people were facing acute food insecurity in 2021. Fertilization is a critical input factor in crop production and food security achievement. Therefore, fertilization is a critical input factor in crop production and food security achievement. However, there is room for improvement in the application of fertilizers in certain regions. …
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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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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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Phosphogypsum (PG) is a metal and radionuclide rich-waste produced by the phosphate ore industry, which has been used as soil fertilizer in many parts of the world for several decades.
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Research is continuing on additional uses of phosphogypsum as a soil conditioner, as well as other uses, e.g., sulfur recovery, in ceramic products, as anti-skid aggregate, and as a concrete aggregate (SCA91). ... Parameter Vertical distance to aquifer Fertilizer scenarios Soil conditioner scenario Construction scenarios— humid site ...
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The effect of gypsum as an additive along with other soil stabilizers on the swell potential of soil has also been studied by multiple researchers (Ameta et al., 2007; Kiliç et al., 2016; Bhardwaj and Kumar, 2019; Khadka et al., 2020; Al-Hokabi et al., 2021; Ebailila et al., 2022). A summary of some of these studies is shown in Fig. 9. While ...
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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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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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In conclusion, the phosphorus containing soil conditioner prepared by PSMC and PG can effectively improve the soil environment of saline-alkali soil and promote the resource utilization of saline alkali soil. ... Rashad AM (2017) Phosphogypsum as a construction material. J Clean Prod 166:732–743 ...
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PAMs have been used in construction sites or disturbed soils, and in furrow- and sprinkler-irrigated soils. ... Phosphogypsum, gypsum, and FGD can complement PAM functions. Application of PAM stabilizes soil aggregates but conditioners, such as phosphogypsum, gypsum, and FGD, which have electrolytes, can chemically react with soil particles and ...
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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 gypsum materials for resource utilization.
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Phosphogypsum with Rice Cultivation Driven Saline-Alkali Soil Remediation Alters the Microbial Community Structure Guanru Lu 1,4,†, Zhonghui Feng 2,†, Yang Xu 1, Fachun Guan 3, Yangyang ...
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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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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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volume stability of phosphogypsum-based soil-solidified materials (PBSS). In addition, performance of the solidified materials after application in road construction was also evaluated. 2 Materials and Methods 2.1 Materials 2.1.1 Soil Silty soil from northern Jiangsu, China was used in the current study. The construction standards of a
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