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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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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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HG/T 4219-2011 in English
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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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 resource utilization.
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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 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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phosphogypsum as the soil conditioner in construction in Oman
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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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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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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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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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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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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Development and Field Application of Phosphogypsum-Based Soil …
Silty soil from northern Jiangsu, China was used in the current study. The construction standards of a normal roadbed indicate that soil to be used should be mixed with that of solidified material under an optimal moisture content [28].Prior to stabilization, the chemical composition of the silty soil was determined via X-ray fluorescence spectrometry.
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Development and Field Application of Phosphogypsum-Based …
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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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: 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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Phosphogypsum in the Circular Economy
•Agriculture: Fertilizer/Soil Conditioner •Road building •Construction Materials •Landfill cover •Glass/ceramic •Marine projects •Raw material –Sulfur & Cement ... •Phosphogypsum can be used as a soil amendment to repair sodic/saline or magnesium-affected soils, and those in low
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Soil Conditioner
Soil: Conservation Practices. R.L. Baumhardt, H. Blanco-Canqui, in Encyclopedia of Agriculture and Food Systems, 2014 Soil Conditioners. Soil conditioners are products that are applied to control water erosion and improve soil properties. Some of the conditioners used to reduce water erosion include PAMs, phosphogypsum, and flue gas desulfurization (FGD) gypsum.
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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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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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A review of the suitability and performance of phosphogypsum as …
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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Effects of phosphogypsum on enzyme activity and microbial …
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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Application of phosphogypsum in soilization: a review
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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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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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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RADIATION RISKS FROM SELECTED USES OF BY …
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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Status and development trends of phosphogypsum utilization in …
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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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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Phosphogypsum Market | Size, Share, Price, import, export, …
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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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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