草制浆造纸中段废水处理及回用技术分析研究刘汝鹏

72Vol.7,No.220062TechniquesandEquipmentforEnvironmentalPollutionControlFeb.2006刘汝鹏1　曲　莹2　于水利1(1.,150090;2.,250012)　　,,;、,。　　　　　X793　　　A　　　1008-9241(2006)02-0105-03TechnicalresearchontreatmentandreuseofbleachingeffluentsfromstrawpulpandpapermakingprocessLiuRupeng1　QuYing2　YuShuili1(1.SchoolofMunicipalEnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090;2.JinanWaterSupplyCompany,Jinan250012)Abstract　Bleachingeffluentswerethemainpollutionsourceinthepulpandpaperindustry,basedontheen-gineeringdesign,afeasibletechnicalschemeofbleachingeffluentstreatmentandreusefromstrawpulpandpaperprocesswasbroughtout,maintechnicalandequipmentparameterswereadded,whichcanbeusedforreference.Keywords　pulpandpapermaking;wastewatertreatment;bleachingeffluents;engineeringdesign:2004-05-28;:2004-09-13:(1978～),,,:。E-mail:[e-mail]1　　:、、、;,,,[1];;,80%,[2],,(SS=600～800mg/L,COD=800～1200mg/L),N、P,,BOD5/COD0.15～0.25,,;,。2　2090,10,、。,,,。。2.1　1。1　Fig.1　Wastewaterandsludgetreatmentprocess2.2　(1)、,,7,(),,,、、,,,,,。(2),,、(),,,,,。(3),,96%～97%,。3　、3.1　。、、。,,,,,,。,,,,8,,,,。,。3.2　,,,60～70,,,,SS30%～50%,COD20%～30%,,,,,。,。3.3　SS,,,,,。,;、,。,55%30%BOD5。,,,,,,,SS,。,COD30%,15%～20%。,、、,。2。,,,,,;,,,,。、SS,COD,、,SS≤100mg/L,SS≤30mg/L,COD150～200mg/L。,,。,SS,COD,,,、,,。:(1)。HRT2～3h,,,0.8～1.2m3/m2h,0.6～0.8m3/m2h。,2～3h。1062:,,,;(2)。,。,,;(3),,,。、,。3.4　、,,[3]。COD,B/C0.3,B/C0.3,,HRT=4～6h,。3.5　,[4],:(1),,;(2),5～6g/L,;,BOD595%～98%;(3),,DO,,;(4),,;(5),。,,;0.3m/s,,。,。、,,,。20～24h,,,,。3.6　SS,,、,SS,。。3:;;。95%～97%,。,,,。4　　,、,,,,:(1),SSCOD,。(2),,,,,。(3),、,;,,。(4),,,;,,。(5)。,,。,2,,。[1],.,1999[2],,..,2003,22(1):46～48[3]./.,2004,23(8):44～46[4],..,2001,27(8):49～50107