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Process for producing delignified paper fiber from high recycled recycled paper and product obtained by the process
Process for producing delignified paper fiber from high recycled recycled paper and product obtained by the process
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机译:由高回收率的再生纸生产脱木素纸纤维的方法以及由该方法获得的产品
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摘要
A method is disclosed for producing, in a continuous throughput, high quality paper from recycled waste paper utilizing high consistency, low shear pulping, followed by a series of cleaning steps to produce a wet, friable pulp which is digested and optionally bleached. The resulting pulp can be run on a paper machine alone or blended with virgin pulp to produce a paper containing at least 5% by weight recycled paper with less than 20 ppm per unit area solid non-fibrous contaminants larger than 0.3 mm2 , and which may be blade coated on a high speed paper machine.
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