资源描述:
《paper and paperboard converting(上)》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、ChapterForewordBook12PaperandPaperboardConvertingSerieseditorsJohanGullichsen,HelsinkiUniversityofTechnologyHannuPaulapuro,HelsinkiUniversityofTechnologyBookeditorAnttiSavolainen,TampereUniversityofTechnolgySeriesreviewerBrianAttwood,St.Anne'sPaperandPaperboardDevelopme
2、ntsLTDBookreviewerDavidJ.Bentley,Jr.,RBSTechnologies,Inc.PublishedincooperationwiththeFinnishPaperEngineers'associationandTAPPIForewordJohanGullichsenandHannuPaulapuroPAPERMAKINGSCIENCEANDTECHNOLOGYPapermakingisavast,multidisciplinarytechnologythathasexpandedtremendousl
3、yinrecentyears.Significantadvanceshavebeenmadeinallareasofpapermaking,includingrawmaterials,productiontechnology,processcontrolandendproducts.Thecomplexityoftheprocesses,thescaleofoperationandproductionspeedsleavelittleroomforerrorormalfunction.Modernpapermakingwouldnot
4、bepossiblewithoutapropercommandofagreatvarietyoftechnologies,inparticularadvancedprocesscontrolanddiagnosticmethods.Notonlyhasthetechnologyprogressedandnewtechnologyemerged,butourunderstandingofthefundamentalsofunitprocesses,rawmaterialsandproductpropertieshasalsodeepen
5、edconsiderably.Thevariationsintheindustry'sheterogeneousrawmaterials,andthesophisticationofpulpingandpapermakingprocessesrequireaprofoundunderstandingofthemechanismsinvolved.Paperandboardproductsarecomplexinstructureandcontainmanydifferentcomponents.Therequirementsplace
6、donthewaytheseproductsperformarewide,variedandoftenconflicting.Thoseinvolvedinproductdevelopmentwillcontinuetoneedaprofoundunderstandingofthechemistryandphysicsofbothrawmaterialsandproductstructures.Paperhasplayedavitalroleintheculturaldevelopmentofmankind.Itstillhasake
7、yroleincommunicationandisneededinmanyotherareasofoursociety.Thereisnodoubtthatitwillcontinuetohaveanimportantplaceinthefuture.Papermust,however,maintainitscompetitivenessthroughcontinuousproductdevelopmentinordertomeettheever-increasingdemandsonitsperformance.Itmustalso
8、beproducedeconomicallybyenvironment-friendlyprocesseswiththeminimumuseofresources.Tomeetthesechallenges,everyo