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RECOVERING FIBER AND FILLER FROM MINERAL LOADED PAPER MILL REJECTS

机译:从矿山造纸厂废料中回收纤维和填料

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The rejects of paper mills producing coated or other filler containing grades have a high content of coating flakes and coarse filler particles, which are unusable in their original form on the paper machine. These rejects are raw material waste and lead to excess effluent handling, transportation costs and environmental concerns. There has not been any economical technology available to recover the usable raw material, the fibers and the minerals, wasted in the rejects. With the new Fiber and Filler Recovery process, up to 70-90% of these solids can be returned to the paper furnish while only the unwanted material is rejected from the mill.
机译:生产带涂层或其他含填料等级的造纸厂的废料中含有大量的涂料薄片和较粗的填料颗粒,无法以其原始形式在造纸机上使用。这些废品是原材料浪费,导致过多的废水处理,运输成本和环境问题。尚无任何经济技术可用于回收浪费在废品中的有用原料,纤维和矿物。借助新的纤维和填料回收工艺,这些固体中多达70-90%可以返回到纸浆中,而只有不想要的材料才从工厂中剔除。

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