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1、ChapterForewordBook6ChemicalPulpingSerieseditorsJohanGullichsen,HelsinkiUniversityofTechnologyHannuPaulapuro,HelsinkiUniversityofTechnologyBookeditorJohanGullichsen,HelsinkiUniversityofTechnologyCarl-JohanFogelholm,HelsinkiUniversityofTechnologySeriesreviewerBrianAttwood,St.Anne'sPaperand
2、PaperboardDevelopments,LtdBookreviewerMartinMacLeod,PAPRICANDesmondSmith,AcrowoodBillFuller,WeyerhaeuserHongiTran,Pulp&PaperCentre,UniversityofTorontoNormanDuke,AvenorPublishedincooperationwiththeFinnishPaperEngineers'AssociationandTAPPIForewordJohanGullichsenandHannuPaulapuroPAPERMAKINGS
3、CIENCEANDTECHNOLOGYPapermakingisavast,multidisciplinarytechnologythathasexpandedtremendouslyinrecentyears.Significantadvanceshavebeenmadeinallareasofpapermaking,includingrawmaterials,productiontechnology,processcontrolandendproducts.Thecomplexityoftheprocesses,thescaleofoperationandproduc
4、tionspeedsleavelittleroomforerrorormalfunction.Modernpapermakingwouldnotbepossiblewithoutapropercommandofagreatvarietyoftechnologies,inparticularadvancedprocesscontrolanddiagnosticmethods.Notonlyhasthetechnologyprogressedandnewtechnologyemerged,butourunderstandingofthefundamentalsofunitpr
5、ocesses,rawmaterialsandproductpropertieshasalsodeepenedconsiderably.Thevariationsintheindustry抯heterogeneousrawmaterials,andthesophisticationofpulpingandpapermakingprocessesrequireaprofoundunderstandingofthemechanismsinvolved.Paperandboardproductsarecomplexinstructureandcontainmanydiffere
6、ntcomponents.Therequirementsplacedonthewaytheseproductsperformarewide,variedandoftenconflicting.Thoseinvolvedinproductdevelopmentwillcontinuetoneedaprofoundunderstandingofthechemistryandphysicsofbothrawmaterialsandproductstructures.Paperhasplayedavitalroleintheculturaldevelopmentofmankind
7、.Itstillhasakeyroleincommunicationandisneededinmanyotherareasofoursociety.ThereisnodoubtthatitwillChemicalPulping-Page1Chaptercontinuetohaveanimportantplaceinthefuture.Papermust,however,maintainitscompetitivenessthroughcontinuousproductdevelopmentinordertomeettheeve
