Phosphogypsum can produce cement
  • THE INFLUENCE OF ORTHOPHOSPHATES ON THE PROPERTIES OF ...

    cement [3, 4]. Untreated phosphogypsum can be used for trass cement but it does not fit for regulation of setting times of Portland cement [12]. Untreated phosphogypsum can be used to regulate Portland cement setting times only adding phosphogypsum into raw mixture prepared for burning the clinker. The addition of phosphogypsum

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  • Granulation of phosphogypsum for the cement …

    In the production of cement phosphogypsum can serve as a setting regulator and is added in the grinding of the clinker. One factor preventing extensive use of phosphogypsum in the cement industry is its poor physicomechanical properties in the natural form. The most common method of improving these properties is by granulation. A method of granulation wherein products of drying of phosphogypsum...

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  • phosphogypsum | gkmill.com

    Phosphogypsum not only can be used in cement, gypsum products, but can also be used to produce potassium sulfate, potassium sulfate, ammonium sulfate and cogeneration and NPK compound fertilizer, and can be used for construction of gypsum-based roads embankment, made RCC construction of parking lots. With the development of science and technology, phosphogypsum has turned into …

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  • An Experimental Investigation of Use of Phosphogypsum and ...

    was performed to produce high workability concrete with target strength of 31.6 Mpa (M25) for the con-vetional mix. The effects of MP and PG on concrete properties were studied by means of the mechanical properties of concrete i.e. compressive strength, split tensile strength, and flexural strength. 2.1 Cement The cement used was Ordinary Portland cement (53 Grade) with a specific gravity of 3 ...

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  • THE INFLUENCE OF ORTHOPHOSPHATES ON THE PROPERTIES OF ...

    Untreated phosphogypsum can be used for trass cement but it does not fit for regulation of setting times of Portland cement. Untreated phosphogypsum can be used to regulate Portland cement setting times only adding phosphogypsum into raw mixture prepared for burning the clinker.

    Get Price
  • phosphogypsum | gkmill.com

    Phosphogypsum not only can be used in cement, gypsum products, but can also be used to produce potassium sulfate, potassium sulfate, ammonium sulfate and cogeneration and NPK compound fertilizer, and can be used for construction of gypsum-based roads embankment, made RCC construction of parking lots. With the development of science and technology, phosphogypsum has turned into …

    Get Price
  • Granulation of phosphogypsum for the cement …

    In the production of cement phosphogypsum can serve as a setting regulator and is added in the grinding of the clinker. One factor preventing extensive use of phosphogypsum in the cement industry is its poor physicomechanical properties in the natural form. The most common method of improving these properties is by granulation. A method of granulation wherein products of drying of phosphogypsum...

    Get Price
  • Recycling phosphogypsum as a sole calcium …

    Request PDF | Recycling phosphogypsum as a sole calcium oxide source in calcium sulfoaluminate cement and its environmental effects | As the disposal of phosphogypsum can result in severe ...

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  • Phosphogypsum purification for plaster production: A ...

    PG can substitute natural gypsum in Portland cement. Aliedel et al [29] used a full factorial methodology (considering four factors) to optimize PG purification process using sulfuric and nitric acid solutions. Hammas-Nasri et al [24] performed a purification process for concentrating rare earth elements from Tunisian PG on a double

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  • Phosphogypsum - An Industrial Byproduct with …

    Phosphogypsum has been studied for use in cement, bricks, plaster, and more, often with added benefits over materials. When used as a replacement for limestone, for example, phosphogypsum has proven to offer a better roadbed. However, in some cases, depending on the application and the source material (as well as other materials going into the mix), radiation exposure can be possible ...

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  • Treating Waste Phosphogypsum for Cement …

    In the cement and the plaster industry, PG can substitute the natural gypsum. However, the impurities contained in PG affect the physical and chemical characteristics of this product, which require...

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  • Phosphogypsum purification for plaster production: A ...

    The phosphogypsum (PG) is a solid byproduct generated by the manufacture of phosphate fertilizers during the production of phosphoric acid. The PG is composed of hydrated calcium sulfate mixed with some impurities such as P2O5, fluorine, organic matter, heavy metals and radioactive elements [2, 3].

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  • Investigation on Utilization of Phosphogypsum …

    Phosphogypsum is a phosphate fertilizer plants by-product and from some chemical industries, it can be used as a partial replacement of cement in concrete. This investigation has been carried out, in order to study the effect of partial replacement of cement with treated phosphogypsum (PG) in concrete. Phosphogypsum has been used with 3%, 7% and 10% percentages as partially replacement of ...

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  • Application of lime neutralised phosphogypsum …

    The inevitably incorporation of P 2 O 5 impurity results in the poor quality of phosphogypsum (PG), which further hinders the utilisation of PG in manufacturing the supersulfated cement (SSC), an environment-friendly and energy-saving cement made almost entirely from industrial waste. Lime neutralisation provides a sustainable approach to remove the impurity in the PG and improve the …

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  • The Use of By-Product Phosphogypsum for Road Bases and ...

    phosphogypsum can be summarized as follows: 1. As a cement retarder <1>, 2. As a sulfur source through desulfurization (!Q), 3. As building plaster (Plaster of Par is) (11), and 4. In reclamation of sodic soils <11>. Each of these applications have met with varying degrees of success. However, the common denominator, especially concerning uses in building materials and cement, appears to be ...

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  • A Review of Effective Utilization of Waste Phosphogypsum ...

    produce unsound cement paste. Phosphogypsum can be economically used up to five percent as an ingredient or admixture of cement-mortar mix, both for stone and brick masonry work. The degree of workability of concrete mix with five percent phosphogypsum decreases as compared to conventional concrete, but it improves cohesiveness of the concrete mix and thus reduction in segregation and …

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  • Phosphogypsum - an overview | ScienceDirect …

    Phosphogypsum is a waste by-product from the processing of phosphate rock in plants producing phosphoric acid and phosphate fertilizers, such as superphosphate.

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  • Guidelines for Management and Handling of Phosphogypsum ...

    Phosphogypsum generated from phosphoric acid plants is presently stacked and some quantity is sold to the other industries for beneficial use especially as raw material in cement manufacturing as substitute for mineral gypsum, plaster board manufacturing as well as for alkali soil amendments or re-conditioning. The handling of phosphogypsum through trucks or railways involves loading ...

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  • A Review of Effective Utilization of Waste Phosphogypsum ...

    produce unsound cement paste. Phosphogypsum can be economically used up to five percent as an ingredient or admixture of cement-mortar mix, both for stone and brick masonry work. The degree of workability of concrete mix with five percent phosphogypsum decreases as compared to conventional concrete, but it improves cohesiveness of the concrete mix and thus reduction in segregation and …

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  • Effect of Phosphogypsum on the Properties of …

    01.01.2017· Treated phosphogypsum can be used as an ingredient of plaster [6, 7, 8]. The most important and motivating use of phosphogypsum could be in the construction industry. In the manufacturing process of cement, phosphogypsum could be used as a replacement of natural gypsum which plays the role of a set retarder [9, 10], or to reduce the clinkerization temperature [11]. Study …

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