METHOD AND APPARATUS FOR LOADING FIBERS OR CELLULOSE WHICH ARE CONTAINED IN A SUSPENSION WITH A FILLER
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United States of America Patent
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app pub date -
May 15, 2007
filing date -
Dec 14, 2004
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Abstract
The present invention provides a method for the loading of fibers or cellulose included in a suspension with a filler by way of a chemical precipitation reaction, wherein the fibers or cellulose are provided in the form of a suspension having a predetermined solids concentration. Carbon dioxide is added to the fibers or to the cellulose in the form of a suspension. The fibers or the cellulose in form of a suspension to which carbon dioxide has been added are mixed with milk of lime or slaked lime, such as in at least one reactor, thereby triggering and extensively, such as completely, concluding the chemical precipitation reaction.
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