what is calcination of gypsum

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  Effects of Boehmite on the Calcination Shrinkage and Mechanical ...

  2021824 · This study investigates the calcination shrinkage and mechanical properties of gypsum-bonded molds. A new filler, boehmite, is adopted to ensure the dimension accuracy while maintaining the high-temp...

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  Recycling of phosphogypsum to prepare gypsum plaster: …

  202211 · Abstract The calcination of phosphogypsum (PG) was employed to produce gypsum plaster to achieve its recovery and utilization. Although previous studies have indicated the possibility of producing hemihydrate and anhydrous gypsum, the influence mechanism of the impurities in calcined PG (CPG) on the properties of plaster is unclear.

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  Influence of calcination temperature on hydration behavior, …

  202321 · Semantic Scholar extracted view of "Influence of calcination temperature on hydration behavior, strength, and weathering resistance of traditional gypsum plaster" by K. Elert et al.

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  Hydration kinetics of a calcination activated bauxite tailings-lime ...

  202161 · Results demonstrate that the hydration kinetics equation can well simulate the hydration process of the calcination activated bauxite tailings-lime-gypsum system with 5% gypsum, but not suitable for the deceleration …

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  Gypsum Materials | Pocket Dentistry

  2020211 · High-strength stone, or improved stone, is also made from gypsum by calcining the gypsum but in a calcium chloride solution. This method of calcination results in a powder particle that is very dense, is cuboidal in shape, and has a reduced surface area.

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  Calcination of calcium sulphoaluminate cement using flue …

  20191220 · Semantic Scholar extracted view of "Calcination of calcium sulphoaluminate cement using flue gas desulfurization gypsum as whole calcium oxide source" by Shuang Wu et al.

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  Optimization of mechanical performance of limestone …

  202371 · Semantic Scholar extracted view of "Optimization of mechanical performance of limestone calcined clay cement: Effects of calcination temperature of nanosized tubular halloysite, gypsum content, and water/binder ratio" by Ting Yu et al.

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  Changes in traditional building materials: the case of gypsum …

  2021930 · The rural and monumental architecture of Northern Spain gives testimony of the wide-ranging constructive possibilities of traditional gypsum for exterior and structural applications. However, today, gypsum is only used for finishing purposes. By combining a bibliographic review with local visits/interviews and experimental gypsum calcinations, we …

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  Gypsum Products in Dentistry: Types, Uses, Properties

  201683 · C. High-Strength or Improved Stone – High-strength stone, or improved stone, is also made from gypsum by calcining the gypsum in a calcium chloride solution. – This method of calcination results in a powder particle that is very dense, is cuboidal in shape, and has a reduced surface area.

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  Calcining - Vulcan® Drying Systems

  202473 · Calcining - also known as calcination - is a thermal treatment process that uses extremely high temperatures to change the physical and chemical properties of various solid materials, including minerals, metals, and ore. Calcining is used in a variety of industrial applications within the mineral processing, recycling, and manufacturing ...

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