作者: Mathieu Skrzypczak , Marc Maurer , Joe Wenk , George Saunders
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摘要: The present invention provides a process for preparing precipitated calcium carbonate product. comprises the steps of slaking quick lime to obtain slaked lime; and subjecting lime, without agitation, prior cooling in heat exchanger, absence any additives, carbonation with carbon dioxide gas produce PCC. newly prepared product develops better performance thanks improved resistance during processing.