本报告主要研究产生量大!处理困难的废旧织物用于污水处理的 填料的可行性;选择来源广泛的棉布!麻布!绒布和棉布与涤纶的混 纺布作为实验材料 通过实验得出废旧织物的耐温能力,材料的最适宜温度范围: 10一35e;废旧织物经过酸碱溶液处理后,拉伸强力急剧下降,采用 傅里叶红外测试仪测试化学处理前后材料的分子结构变化 材料的克重!透气量!厚度!粗糙度与材料的挂膜量呈正相关性, 通过正交实验得出材料附着微生物的最佳水力条件为:温度为30e! pH值为7一8!曝气量为3L/min;对材料的使用寿命进行了中试装置 应用研究,通过检测材料的拉伸强力和伸长率变化,确定各种材料的 使用寿命分别为:棉布为6个月,麻布!混纺布9个月,绒布使用时 间最长对使用9个月之后的材料形貌进行分析,棉布!麻布!混纺 布表面均严重损坏!剥裂,绒布仅在端面处有轻微破损 从污泥中提取一株菌,序列在GenBank上的登录号为HQ455787 经鉴定为AcinetobactersP.X16对发酵液成分进行红外扫描和紫外 扫描分析,确定其含有大量的氨基酸选定棉布为试验对象,得出微 生物与材料间的结合键为氢键,主要是/吸附架桥作用0;棉布和麻布 易被微生物分解,涤纶织物作为填料时不易被微生物分解 仁将回收的废旧织物制成填料并用于污水处理的中试装置,确定最 佳水力条件为:HRT为20h!污泥浓度保持在5500一7500mg/L!Do 浓度范围为2一4mg/L;与现有软性填料出水效果:进行对比,处理效果 较好,出水水质均达到回用水标准;对废旧织物应用于污水处理的填 料进行经济性分析,1.3m只1.3mxZ.Om的中试装置,采用废旧织物作 为填料,每3年可节省52.4元 本课题己申请专利并获得批准,专利号:Z]匕200920211269.9, 授权公告日期:2010年07月21日 关键词:废旧织物!填料!结合力!吸附架桥!经济性AFEASIBILITYSTUDYONTHE认叭STEFABRIC RECLAIMEDINSE场AGETREATMENTASFILLERS ABSTRACT Theaimofthisdissertation15tostudythewastefabriereusedasfiller.Selected eotton仙rie,罗nnycloth,natmelette,mixedSpinnidgwitheottonandterylene (hereinafterealled.blendedfabrie,)asexPerimentalmaterial,whichareabundantly available. Firstl又theanti一eorrosion,breakingstrengthalsoretained,andmolecular strUetureofthesematerialsweretestedtoanalyZehowandwhythesematerialshad ehangesunderdifferenteonditions.TheoPtimaltelnPeraturesrangingfi.om10to 35oC,havebeengottenbyaseriesofexPeriments;WastefabrieshavePoorcorrosion resistanee.ThemolecularstructurewastestedbyFouriertransformedinfrared(FTIR) toanalyzethechemiealactiononthesematerials. Sceondl又studiedontherelationshiPbetweenmaterialcharaeteristieand biomass.It.5Positivelyeorrelatedthatmaterials,weight,ventilationvolume, thic玩ess,rougllllesswithbiomassexeePth川roPhilieity.TheoPtimumProcessing conditionwasfoundthroughorthogonalexPeriment:thereaetiontemPerature1530oC, thePHvalue157,aerationrate153L/min.UesfullifewastestedinPi]ot一Plantof wastewatertreatment.TodrawtheProPerconelusionsfromanalyZethebreaking strengthandelongationvariation.Thesematerials.usefollife15flannelettes.>四nny cloths.二blendedfabrics.(9months)>eotton,s(6months).Thesurfaeemothhology wasobservedbytheseaningelectronmieroseoPe(SEM).FlanLnelettealmostiyhas anydegradationonthesurfaee,whileothermaterialsturneduPsPin一offand degradation. 犷Thirdly,onebacteriumhavebeenisolatedfromthesewagesludge一enriehment. Accessionnumber15HQ455787intheGenBank.ltwasidentifiedasAeinetobaetersP. X16.TheeomPonentsofthefermentationliquorw汀eanalysedbyinfrared sPectrometryandUVseanner.Iteontainingmanymolel比lesofaminoaeidsand hydroxideradieal(一OH).Selectedeottonasobjeets,andoletectedthebindingforee betweenmicroorganismsandfillers.TheexPerimentalresultsshowthatthe floeculatingmechanism15adsorptionandinterparticlebridging,theneottonfabric andgunnyclotheaneasilybedeeomPosedbymicrobes,whileflannelettearenot readilydegraded. Fourt五ly,thehighqualityeffiuenteonditionwasobs捌edwhenHRT15ZOh, MLSS155500一7500mg/L,DO152一4m留LP而sc,nwithexistingprojects, Thesereelaimedfillers15goodattreatmenteffectwithemuentmeetingthe requirementforwastewaterreuse.Finally,Theeconomic翻alysisofmerchantfiller andreelaimedfillerswasmade.Reelaimedfillerscansaving52.4RMBPer3yearin thePilot一Plantwith1.3mxl.3m火2.Om二 ThissubjeethasbeenPateniedbyPatentOffieeofthePcoPle,5RePublieof China,PatentNo.ZL200920211269.9. JinLinfang(envi:ronmentalengineering) SuPervisedby~MaChengyU KEYWORDS:wastefabrie,filler,bondingforee,adsrptionbridging, eeonomiealeffieieney目录 摘要........................................................................................................................................I ABSTRACT..........................................................................................,.....................,Hl 第一章综述..............................................................,......................................................1 1.1引言.....................................................................................................................................1 1.2纺织废品的处理现状........................................................................................................1 1.2.1纺织废弃物的处理方法..........................................................................................1 1.2.2纺织废物的回收方法..................................!......................................................2 1.2.3废弃纺织物的回用途径..................................................................,..................3 1.3填料的发展历程.,..................................................,......................................................4 1.3.1填料概述...................................................................................................................4 1.3.2生物膜填料的发展历程...................................................................,.................4 1.3.2生物膜填料的选择原则........................................,.,.........................6 1.3.3生物膜填料的特点...................................................................................................7 1.4生物膜填料的分类.............................................................................................................7 1.4.1固定式填料.....,...............................................................................,.........7 1.4.2悬挂式填料..............................................................................................................8 1.4.3分散式填料..............................................................................................................9 1.4.4各种填料的胜能对比.............................................................................................10 1.4.5填料的发展趋势................................................................................................,.,二10 1.5固体废弃物回用于填料的研究进展...............................................................................13 1.6本课题的研究内容...............................................................................,.....................巧 1.7本课题研究意义..............................................................................,..........................巧 第二章试验装置及测定方法.........................................................................................16 2.1所选填料性能的试验......................................................................................................16 2.1.1试验样品.............,.......,...............................................................................16 2.1.2主要试验仪器.........................................................................................................16 2.1.3试验方法.....................,.................................................................................18 2.2水质指标分析方法及使用仪器............................................................................,....20 2.3微生物与填料结合力的检测试验......................,......................................................22 2.3.116SrDNA序列同源性和系统发育分析................................................................22 2.3.2主要仪器介绍.........................................................................................................23 2.4本章小结.........................................................................................................................25 第三章填料的性能试验研究.....,..................................................