废纸制浆精筛渣特性及其胶黏物研究

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关键词：废纸制浆；精筛渣；胶黏物；特性分析中图分类号：TS743 文献标识码：A DOI：10.11980/j.issn.0254-508X.2025.11.012

Study on the Characteristics of Fine Screen Rejects and Its Stickies from Waste Paper Pulping

FAN Shujie1.²YANG Bin1.²NI Jianping12 ZHANG Yu1，2 SU Zhenhua1，2，* （1.China National Pulpand PaperResearch InsituteCo.，Ltd.，Beijing，100102; 2.National Engineering Labfor Pulp and Paper，Beijing，100102） （*E-mail： suzhh0722@126.com）

Abstract：Asystematicstudyasconductedonthefundamentalpropertiesoffinesrenrejectsfromthreewastepaperpulpingproes： ONP，OCC andMOW.Theresearchfocusedoanalyingthecriticalfactorshideringfinesreenrejectsrecyling，cludingtheotent， distribution，ndspecifichmicalompstoofcies.Thesultsevealedthattheusefulfibercotetinfinesrenejectsselatively high，with values of 81.2% ， 93.5% ，and 78.8% for MOW，ONP，and OCC，respectively. Notably，the proportion of long fibers was significant，butthesefiberswereentangledandncapsulatedbylargestickies.ThestickiescontentinOC-finescrenrejectsreached （204号 674100mm2/kg ，significantly exceeding that in ONP-fine screen rejects （ 24623mm2/kg ）and MOW-fine screen rejects（ 146315mm2/kg ） Thechemicalompositionoficiesinfiesreenejetsprarilyosistedofdroarbos，ipids，ndaromaticompounds，ithickies from ONP and MOW exhibiting certain similarities in composition.

Key words： waste paper pulping； fine screen rejects ； stickies; characterization analysis

造纸纤维原料短缺一直是制约我国造纸工业发展的瓶颈问题，我国纤维原料高度依赖进口，对外依存度高达 50% 以上。（剩余11637字）