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    • 4. 发明授权
    • Book drying process
    • 书干工序
    • US5282320A
    • 1994-02-01
    • US749094
    • 1991-08-23
    • Robert S. WedingerShawn P. CavanaghKent N. Smith
    • Robert S. WedingerShawn P. CavanaghKent N. Smith
    • D21H25/18F26B5/04F26B7/00
    • F26B5/048D21H25/18
    • The process for deacidification of at least one book or other similarly sized cellulosic product the steps of which include:a) predrying a plurality of books or other similarly sized cellulosic product;b) deacidifying the dried plurality of books or another similarly sized cellulosic product using a deacidification solvent solution; andc) drying the deacidified plurality of books or another similarly sized cellulosic product to reduce the solvent content by use of a vacuum, wherein high frequency radiation is used along with either or both steps a) and c) to aid in drying: in which the improvement comprises, dividing the plurality of books or a similarly sized cellulosic product into two or more sections with a material having a high power loss factor to reduce the variation in the high frequency electric field in a high frequency drier and promote uniform heating of at least one book or a similarly sized cellulosic product.
    • 至少一本书或其他类似尺寸的纤维素产品脱酸的方法,其步骤包括:a)预干燥多本书或其它类似尺寸的纤维素产品; b)使用脱酸溶剂溶液使干燥的多本书或其它类似尺寸的纤维素产品脱酸; 和c)干燥脱酸的多本书或其他类似尺寸的纤维素产品,以通过使用真空降低溶剂含量,其中高频辐射与步骤a)和c)中的任一个或两个步骤一起使用以帮助干燥:其中 改进之处在于,将具有高功率损耗因子的材料将多本书或类似尺寸的纤维素产品分成两部分或更多部分以减少高频干燥器中的高频电场的变化并促进在 至少一本书或类似尺寸的纤维素产品。