铝盐絮凝沉淀法处理再生纸制浆废水

APilotStudyofAluminumSaltFlocculatingSettlingProcessinPulpWastewaterTreatment(,350300),,,pH:;;AbstractComparingtheeffectofPulpWastewatertreatmentbetweentheChemicalandChemical2biologicalmethods,thepaperadvancestheAluminumSaltFlocculatingSettlingProcess,andindicatesthechoosingsuitablepHandreasonablechemicalfeedquantityarethecoreforsuccess.Keywords:Pulpwastewater;Treatment;Process1(),200m3,,5%,,()10kg,SS550kg,BOD5527kg,2Al2(SO4)3Al(OH)mCl3nmAlCl3,Al2(SO4)3,,,,,pHAl(OH)3,,33.1pH:pH,pH,,,pH,pH,Al(OH)+2Al(OH)-4,pH,pH(56),,,,,,pH5.45.6,,,,pH5.46.2,pH,3.2,300mgöl400mgöl500mgöl,,31CODcr(mgöl)CODcr(mgöl)(mgöl)COD(%)1831139.2400842831117.6400863831164.6300804831166.7300805831139.2400846831101.9400887831117.6500868831101.9500881:(1)Al2(SO4)3400500mgöl,CODcr85%,2218420018CODcr150mgöl,300mgöl,CODcr80%,CODcr150mgöl(2)500mgöl400mgöl,CODcr,CODcr,,400mgöl3.3,,,3,510,,,,,24,CODcr12001800mgöl,CODcr150mgölBOD560mgöl,4.14.1.16000m3,250m34.1.2(1)CODcr12001800mgöl;(2)BOD5400600mgöl(3)SS5001200mgöl;(4)pH6.47.04.1.3,GB3544924.1.4:(1)60,(2),HPT=2.8hr4.1.5:4.1.5.1:(+)HRT35min4.1.5.2:HRT=1015min4.1.5.3:HRT=2.5hr4.1.5.4:4.2,22(mgöl)(%)GB354492pH7.006.626.686.736.106.226.125.7069SS10197900653346702503842324094.31002525252525101010101060.0CODcr2150201012601440172013714012412713292.3150BOD582569641139358144.043.043.143.043.392.5600.0180.0270.0260.0140.0210.0170.0160.0140.0140.01528.63.094.313.073.384.3911.111188.64.3:4.3.1:GB354492,SS=94.2%CODcr=91.4%BOD5=91.6%4.3.2:(1)62,103;(2)11.15kw,4kw;(3)::Al(SO4)30.4kg0.65ökg=0.26öm3:4kw24hr0.6ökw.hrö6000m3=0.01öm3:2ö25öö6000m3=0.1öm3:0.28öm3(30)32,,:,,COHCNOx,,:(LPG)(CNG),3000::CO96.44%,THC71.4%:CO93.8%,THC23.7%,,,(LPG),,,,,200,(LPG)?:3300,,,10010,7,2.9,3.3ö,2923.1100=0.059ö3000,30000.059=5084715104,4,5,8850ö,,,200:,3,,,,COTHCNO2,1..,1996,17(4):802812..,1997,16(1):282313..,2001,18(2):35237(23)55.1150m3CODcr12001800mgöl,GB354492GWPB2995.2,,,,,,,,0.150.25mm,,SS30%50%,CODcr20%30%5.35%,7080kg,97%2.32.6töt,,5.4,,,,,0318420018