Experimental Measurement of Induction Period of Gypsum Precipitation in the Laminar Flow State

Abstract:

The gypsum precipitation was investigated under different conditions of temperature and supersaturation, which has significant effects on the optimization of humidification-dehumidification process. The spectrophotometer was used to measure the precipitation induction period of gypsum. The primary nucleation of calcium sulphate solution was investigated with the combination of nucleation induction period and classical nucleation theory. It was found that a power relation existed between the induction period and the operation conditions.

• Periodical: Advanced Materials Research (Volume 813)
• Pages: 456-459
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.813.456
• Online since: September 2013
• Authors: Huai Gang Cheng, Hui Ping Song, Fang Qin Cheng, Zhi Hong Li
• Keywords: Calcium Compounds, Nucleation, Salts, Supersaturated Solutions

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