Significant environmental issues are raised by the phosphogypsum (PG) waste that is being produced. In Lithuania, about 1,500,000 tons of PG waste is generated yearly, and about 300 Mt is generated yearly …
The main environmental impacts of disposing phosphogypsum (PG) in sea water. The Tunisian Chemical Group has been releasing hundreds of tons of PG into the sea each day, posing a threat to the marine ecosystem in the region (Ayadi et al., 2015; Darmoul, 1988; Darmoul et al., 1980; Rabaoui et al., 2015, Rabaoui et al., 2014).
For the moment, the storage quantity of phosphogypsum is still rising as a result of the increasing phosphate fertilizer production to meet the food demand in China.
Phosphogypsum (PG: CaSO4·2H2O) is a waste product generated by the phosphate industry. World production of this waste exceeds 200 million tonnes per year.
Phosphogypsum is enriched in radioactivity; the source of radioactivity comes mainly from 238U and 232 . Uranium Ca in the chemical structure . South African PG contains app reciable amounts of the of 40K, with low activity concentrations .
... Phosphogypsum (PG) is a solid grey, moist, fine-grained by-product powder generated during the production of phosphoric acid which has the chemical formula H 3 PO 4 through the digestion of phosphate rock with sulphuric acid via a wet process technique at a temperature of 75-80 °C.
Phosphogypsum (PG), the main industrial by-product of phosphate fertilizer industry, primarily consists of calcium sulfate dihydrate. However, it contains various impurities with variable quantities depending on the origin of the phosphate rock. These impurities can restrict the reuse of phosphogypsum as a secondary primary resource.
Significant environmental issues are raised by the phosphogypsum (PG) waste that is being produced. In Lithuania, about 1,500,000 tons of PG waste is generated yearly, and about 300 Mt is generated yearly …
This paper summarizes the generation process, impurity removal treatment (physical method, chemical method, heat method), high-value utilization (nanometer calcium sulfate whisker, nanometer calcium carbonate) …
With the rapid development of new energy vehicles (NEVs) industry in China, the reusing of retired power batteries is becoming increasingly urgent. In this paper, the critical issues for power batteries reusing in China are systematically studied. First, the strategic value of power batteries reusing, and the main modes of battery reusing are analyzed. Second, the …
Our findings will not only construct a low-cost artificial SEI film for practical metal batteries, but also achieve a high-value utilization of phosphogypsum waste. Phosphogypsum (PG)-derived CaSO 4 ·2H 2 O is employed as a multifunctional protective layer to achieve dendrite-free Zn deposition.
Abstract. Phosphogypsum (PG: CaSO 4 ·2H 2 O) is a waste product generated by the phosphate industry. World production of this waste exceeds 200 million tonnes per year. PG, discharged into the sea, watercourses or in wilderness stocks, contains toxic elements harmful to ecosystems and human health, including heavy metals and radionuclides, and there …
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).
Phosphogypsum could be used as a substitute of natural gypsum in the production of Portland cement to control the hydration reaction rate of cement. In this study, raw phosphogypsum was...
After transforming the ammonium sulfate to lithium sulfate and studying its thermal stability, the investigation of the electric conduction of the latter compound using impedance spectroscopy showed interesting results …
In situ and operando infrared spectroscopies are powerful techniques to support the design of novel materials for batteries and the development of new battery systems. These techniques can support the study of batteries by identifying the formation of new species and monitoring electrochemical energy stability. However, few works have employed ...
Phosphogypsum (PG) waste is a by-product generated from wet-process phosphoric acid (H3PO4) manufacturing during phosphate rock decomposition. Worldwide, the annual production of PG ranges between 100 and 300 million tons, with only a few quantities utilized in several application domains (about 15%), the unused PG is usually discharged into …
Five clusters were formed: a red cluster-phosphogypsum recycling in the construction industry; green cluster-radiation pollution problem of phosphogypsum and phosphate fertilizers; yellow cluster ...
To gain a comprehensive understanding of the environmental impact of phosphogypsum, it is crucial to explore its properties (e.g., chemistry, mineralogy, radioactivity), and how it interacts with the surrounding environment, enabling well-informed decisions decision regarding its management and its valorization.
Phosphogypsum could be used as a substitute of natural gypsum in the production of Portland cement to control the hydration reaction rate of cement. In this study, raw phosphogypsum was...
Our findings will not only construct a low-cost artificial SEI film for practical metal batteries, but also achieve a high-value utilization of phosphogypsum waste. Phosphogypsum …
This increased the dependence on major secondary rare earth-bearing sources such as scrap alloy, battery waste, spent catalysts, fly ash, spent magnets, waste light-emitting diodes (LEDs), and phosphogypsum (PG) for a substantial recovery of REEs for use. Recycling of REEs from these alternative waste sources through ...
This paper summarizes the generation process, impurity removal treatment (physical method, chemical method, heat method), high-value utilization (nanometer calcium sulfate whisker, nanometer calcium carbonate) of phosphogypsum material and some existing problems. It puts forward some views on the challenges in this field and the ...
To gain a comprehensive understanding of the environmental impact of phosphogypsum, it is crucial to explore its properties (e.g., chemistry, mineralogy, …
3 · Phosphogypsum is a solid waste byproduct from processing phosphate ore to make phosphoric acid that is later used in fertilizer. The phosphate ore and the resulting phosphogypsum contain radium, which decays to form radon …
a possible association between proximity to energy/chemical industries and increased risk of paediatric cancer, specifically neuroectodermic tumours. The socio-economic benefits of the …
Our findings will not only construct a low-cost artificial SEI film for practical metal batteries, but also achieve a high-value utilization of phosphogypsum waste. View PDF
The need for rare earths elements (REEs) in high tech electrical and electronic based materials are vital. In the global economy, deposits of natural REEs are limited except for countries such as China, which has prompted current attempts to seek alternative resources of REEs. This increased the dependence on major secondary rare earth-bearing sources such …
a possible association between proximity to energy/chemical industries and increased risk of paediatric cancer, specifically neuroectodermic tumours. The socio-economic benefits of the phosphate...
After transforming the ammonium sulfate to lithium sulfate and studying its thermal stability, the investigation of the electric conduction of the latter compound using impedance spectroscopy showed interesting results making it a good candidate for applications in battery devices.
Our findings will not only construct a low-cost artificial SEI film for practical metal batteries, but also achieve a high-value utilization of phosphogypsum waste. Phosphogypsum (PG)-derived CaSO4 ·2H 2 O is employed as a multifunctional protective layer to achieve dendrite-free Zn deposition.
This increased the dependence on major secondary rare earth-bearing sources such as scrap alloy, battery waste, spent catalysts, fly ash, spent magnets, waste light-emitting diodes (LEDs), and phosphogypsum (PG) for a …
Significant environmental issues are raised by the phosphogypsum (PG) waste that is being produced. In Lithuania, about 1,500,000 tons of PG waste is generated yearly, and about 300 Mt is generated yearly worldwide. A by-product of burning wood biomass in thermal power plants is biomass fly ash (BFA). By 2035, compared to 2008 levels ...
Phosphogypsum (PG) wastes, including solid-state PG and liquid-state PG leachate, are industrial byproducts generated during the production of phosphoric acid. It is of great concern due to the large-scale product accumulation and environmental and geological hazards. Harmless treatment and green chemical resource utilization techniques emerge to be …
In general, energy density is a crucial aspect of battery development, and scientists are continuously designing new methods and technologies to boost the energy density storage of the current batteries. This will make it possible to develop batteries that are smaller, resilient, and more versatile. This study intends to educate academics on cutting-edge methods and …
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