Transcription of The Pulp and Paper Making Processes
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The Pulp and Paper Making Processes
Chapter 2 The Pulp and Paper MakingProcessesCONTENTSPageTHE PULP AND Paper MILL..17 Steps in the Pulp and Papermaking ..18 Pulping .. View of Papermaking From Chemical Pulp by the Kraft Groundwood Pulp Mill Flow..Refiner Groundwood Pulp MillSulfite Pulp Mill ..Table2-1. MajorCommercial Wood-PulpingProcess..TableTechnologies ..Page..1921..22..25 Page..18 Chapter 2 The Pulp and Paper Making ProcessesThe modem manufacture of Paper evolved froman ancient art first developed in China, ca. 105 the modem product differs considerablyfrom its ancestral materials, papermaking retainsdistinct similarities to the Processes developed byTs ai Lun in the Imperial Chinese Court.
softwoods (e.g., pines, firs, and spruces) yield long and strong fibers that impart strength to paper and are used for boxes and packaging. Hardwoods, on the other hand, generally have shorter fibers and therefore produce a weaker paper, but one that is smoother, more opaque, and better suited for print-ing. Both softwoods and hardwoods are ...
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