Effect of some polycarboxylic acids as scale inhibitor on the precipitation and solution of calcium carbonate in aqueous solution
Received date: 2000-12-05
Online published: 2010-10-01
The solubility of different forms of calcium carbonate under various conditions has been calculated by using the self-edited computer program .The supersaturated solution system of calcium carbonate has been analyzed with the same program .The effect of four polycarboxylic acid (PAA1 , PAA2 , PMA -AA , PPMA)as scale inhibitors on the precipitation and solution of calcium carbonate in aqueous solution has been studied .From the point of view of the effect on the precipitation forms , the explanations are given out to describe the scale inhibition mechanism and the effect of scale inhibitors on the metastable state of CaCO3 in the supersaturated solution.
Key words： CaCO3; polycarboxylic acid; solubility; scale inhibition
ZHU Zhi liang, LI Ji wen, NI Ya ming . Effect of some polycarboxylic acids as scale inhibitor on the precipitation and solution of calcium carbonate in aqueous solution[J]. Industrial Water Treatment, 2001 , 21(6) : 7 -10 . DOI: 10.11894/1005-829x.2001.21(6).7
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