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3CaO·SiO2 hydration under decreased temperatures

✍ Scribed by Anatoly A. Klyusov

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
325 KB
Volume
24
Category
Article
ISSN
0008-8846

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✦ Synopsis

This paper presents the results of studies on the hydration of 3CaO.SiO 2 in water, CaC12, NaC1 solutions at 20oc, 0oc and -5oc based on formal kinetic method. The specific hydration periods are depicted. It is discovered that the length of induction period depends on solid reagent permeability. The acceleration period is described by the equation of supersaturated solution crystallization. CaCl 2 initiates nuclei generation mainly in intergranular space. A decline of retardation period is described by the "shrinking sphere" equation, subject to diffusion through the product layer.

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