王森,邢智强,张安龙(,,710021)[],、,PAM,、。[];;[]X703[]B[]1005-829X(2013)08-0085-03Exampleofsolvingthesludgebulkingprobleminthetreatmentofrecycledpaper-makingwastewaterWangSen,XingZhiqiang,ZhangAnlong(ShaanxiProvinceKeyLabofPapermakingTechnologyandSpecialPaperDevelopment,CollegeofLightIndustryandEnergy,ShaanxiUniversityofScience&Technology,Xi’an710021,China)Abstract:Combinedwithanexampleofthesludgebulkingoccurredinthetreatmentofdeinkingwastewateratapapermill,thefactors,suchastemperature,dissolvedoxygenandfoodmicroratio,havebeenanalyzed.ItisfoundthatsludgebulkingisduetothefoamcausedbyexcessivePAMandthefoodmicroratiowhichistoolow.Solutionsputforwardareasfollow:reducingtheagentstobeadded,installingshowernozzles,andaddingstarch,etc.Keywords:deinkingwastewater;sludgebulking;foodmicroratio[](2012JQ2020);2012(CX12594);2012(201210708008);(11JK0976)541700m3/h,4m3,1a1460m3(),。,,,,。5,,、,,。,、,,。[1],,,.[J].,2012,32(11):90-92.[2],,,.[J].,2012,32(7):87-89.[3],.[J].,2011,31(11):81-83.[4].[J].,2011(8):31-33.[5].[J].,2011(7):29-31.———————————[](1981—),,。E-mail:xhs19971@163.com。[]2013-06-09()810152025/(m3·h-1)2222202182182257474727678/%7574.875.274.774.3/(μS·cm-1)213021252217215020803637393632/%98.3198.2698.2498.398.46/MPa1.131.141.151.141.120.960.950.960.950.94/℃17.317.316.718.218.3!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!33820138IndustrialWaterTreatmentVol.33No.8Aug.,201385,。,201110。20127。,。,、pH、、〔1〕。,,。1300t/d,10000m3,。1,1。1、12,,1.5m,。,,,。,。SV3093%,MLSS3100mg/L,SVI300mL/g。,,,,。。33.1,。,15~35℃,35℃,。,,。3.2pHpH,pH,。pH6~8,4.5~6.5〔2〕。,pH7.0~8.0,pH。3.3,N、P,N、P,m(BOD)∶m(N)∶m(P)=100∶5∶1。,。3.4(DO),。(0.5mg/L),。,。DO1.5~3.0mg/L,,DO。3.5(F/M)()。F/M,kgBOD5/(kgMLSS·d)〔3〕。,,。,0.03~0.05kg/(kg·d)。,F/M,2。,5,。,。、,。3.6,、、CODCr/(mg·L-1)BOD5/(mg·L-1)SS/(mg·L-1)pH≤1500≤700≤13006~9≤70≤20≤306~92013-08,33(8)862。,。,()。,PAM,,PAM;PAM,。PAM,。4,73。(1),,,,PAM。(2),,,,,。(3),,MLSS2000mg/L,。,,。(4)。,,,,,。,,,,MLSS,,,。720,MLSS2100mg/L,COD60mg/L。375720SVIF/M。3SVIF/M5。,PAM。,,。[1],,,.[J].,2006,25(1):49-52.[2].[M].:,2007:153-154.[3].[M].:,2007:132-133.———————————[](1979—),,。:13571923670,E-mail:wangsenly@163.com。[]2013-05-17()2013-08,33(8),:87