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METHOD FOR REMOVING PRINT INKS FROM SECONDARY FIBER SOURCES, SECONDARY FIBERS AND METHOD FOR PRODUCING PAPER USING THEIR USE
METHOD FOR REMOVING PRINT INKS FROM SECONDARY FIBER SOURCES, SECONDARY FIBERS AND METHOD FOR PRODUCING PAPER USING THEIR USE
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机译:从二次纤维来源中去除印刷油墨的方法,二次纤维和使用其生产纸张的方法
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摘要
Ink-bearing secondary fibre feedstocks are deinked by mechanically fiberizing the feedstocks in a substantially dry state to produce substantially discrete fibres and fines and separating the fines from the fibres. The feedstock may be shredded printed waste paper. Fiberisation may be effected in any conventional fiberisation equipment. Separation of fines from fibres may be carried out using a mesh bag, or a continuously moving wire screen, preferably with the assistance of a vacuum box. The fibres recovered may be cleaned by aqueous centricleaning, or by wet deinking methods.
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