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pulping    音标拼音: [p'ʌlpɪŋ]

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  • Pulp (paper) - Wikipedia
    Only the heartwood and sapwood are useful for making pulp Bark contains relatively few useful fibers and is removed and used as fuel to provide steam for use in the pulp mill Most pulping processes require that the wood be chipped and screened to provide uniform sized chips
  • Pulping Process - an overview | ScienceDirect Topics
    The primary purpose of pulping is to free the fibers from the lignin that binds the fibers together and or to separate the fibers in water Pulp with longer fibers and less lignin is considered to be of highest quality and produces the strongest paper
  • Papermaking - Pulping, Refining, Bleaching | Britannica
    Papermaking - Pulping, Refining, Bleaching: Mechanical or groundwood pulp is made by subjecting wood to an abrading action, either by pressing the wood against a revolving grinding stone or by passing chips through a mill
  • PULPING FUNDAMENTALS - University of Cincinnati
    There are four broad categories of pulping processes: chemicaly semi-chemical, chemi-me-chanical, and mechanical pulping These are in order of increasing mechanical energy required to separate fibers (fiberation) and decreasing reliance on chemical action
  • How to Make Paper from Wood, Step by Step - ScienceInsights
    Wood becomes paper through pulping, bleaching, and sheet forming Here’s how each step works and what it means for paper quality
  • Pulping - PrintWiki
    The purpose of pulping is to liberate cellulose fibers from other chemicals and impurities in the wood (or other fibrous source) Before wood can be pulped, it must undergo debarking Bark contains little or no fibrous material, and is removed either mechanically or hydraulically
  • A review of the traditional pulping methods and the recent . . . - Springer
    Abstract The demand for paper and pulp-derived products to fulfill consumer needs is increasing considerably globally This work provides a critical overview of the various traditional pulping methods and describes the recent improvements in pulping processes
  • Development of Raw Materials and Technology for Pulping—A . . . - MDPI
    Pulping is a key step in the conversion of fiber raw materials into paper Since its inception, pulping has rapidly evolved, continually adapting to technological advancements Researchers are constantly investigating various types of raw materials for pulping





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