The Influence of Various Admixtures on the Calcium Carbonate Precipitation from a Calcium Nitrate and Monoethanolamine Solution (CROSBI ID 80599)
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Vučak, Marijan ; Perić, Jelena ; Pons, Marie-Noelle
engleski
The Influence of Various Admixtures on the Calcium Carbonate Precipitation from a Calcium Nitrate and Monoethanolamine Solution
Calcium carbonate was preciptated by carbonation of calciumnitrate and monoethanolamine solution. The influence of various organic admixtures on the crystallization, crystal morphology, and polymorphism of calcium carbonate has been studied using different techniques. Our results show that scurose and fructose present even at very high concentrations do not affect duration or mechanism of the carbonation process at a higher degree, what is attributed to the specific quality of the ethanolamine process. At high concentration citric acid and ehtylendiamine-tetrakis-N,N,N,N-(methilenephosphonic acid) had some effct on the process mechanism, phase composition, morphology and crystal aggregation of the calcium carbonate precipitated.
Calcium carbonate; precipitation; monoethanolamine; morphology
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