Abstract
The work presents a study on the precipitation of calcium carbonate in the presence of four inhibitors: aminotris(methylenephosphonic acid) (ATMP), 1-hydroxyethane-1,1 diphosphonic acid (HEDP), polyacrylate (PA), copolymer of acrylic and allylsulfonic acids (PAC). Using the laboratory methods for evaluating the effect of antiscalants for inhibition, the following order in terms of decreasing effectiveness HEDP > ATMP > PAS > PA at a concentration of 4 ppm has been observed. It was revealed that polymeric antiscalants can effectively cope with the suppression of the precipitation of calcium carbonate at higher concentrations than phosphorus-containing preparations. It has been shown that in the presence of antiscalants, a change in the structure and modification of CaCO3 occurs.
Published Version
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