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Early heat of hydration during the solidification of a metal plating sludge

✍ Scribed by C.D. Hills; L. Koe; C.J. Sollars; R. Perry

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
745 KB
Volume
22
Category
Article
ISSN
0008-8846

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✦ Synopsis

The solidification of toxic waste using OPC is practiced in a number of countries. OPC is known to interreact with some waste components. PFA is often added as a cement replacement material on grounds of cost and so that the final properties of solidified waste are improved. An inorganic waste, typical of that solidified commercially, has been shown by isothermal conduction calorimetry, strength development and microstructurai studies to markedly influence the early hydration of OPC. PFA was shown to contribute to strength development under conditions where the OPC hydration reaction was almost completely poisoned.

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