Study on Calcination Process of Serpentine Mixed with Ammonium Sulfate

Bei Song; Yu Ran Zhang; Yong Hao Di; Rui Dai; Shui Lin Zheng

doi:10.4028/www.scientific.net/AMM.320.296

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 320Study on Calcination Process of Serpentine Mixed...

Study on Calcination Process of Serpentine Mixed with Ammonium Sulfate

Abstract:

The research involves the calcination of QingHaiQiLian serpentine with ammonium sulfate in order to extract magnesium, and evaluates calcination results through the mass of water leaching residue that comes from the calcination, dissolution and filtration process. Optimal calcination parameters of serpentine and ammonium sulfate determined by orthogonal experiments, single-factor experiments, elemental analysis and SEM analysis are: calcination duration of 1h, calcination temperature of 700°C, ammonium sulfate dosage of 90g (or mass ratio of ammonium sulfate to serpentine sample (m1/m2) of 3:2), under which condition a magnesium extraction rate of 62.75% can be achieved.

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Periodical:

Applied Mechanics and Materials (Volume 320)

Pages:

296-302

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.320.296

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Online since:

May 2013

Authors:

Bei Song, Yu Ran Zhang, Yong Hao Di, Rui Dai, Shui Lin Zheng

Keywords:

Ammonium Sulfate, Calcination, Extraction Rate, Serpentine

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