混凝沉淀过程中矾花上浮的成因与对策

(,311201):,,:¹º»¼:;;;:x5:A:10066772(20()1)010002,100,,,,,,,(),,,,PH311PH3%pHHa-6.541.6258.370.017.018.6481.320.047.56.7493.120.148.02.4697.080.468.50.7297.831.459.00.1795.364.47OH32HO033pH10,;pH8.3pH10,pH8.3,;,pH4.5,pH7.08.51,pH8.5,31.45%,pH8.34,:HO+H3=C(OK,=[H][H+]Cq]Kl,4.45X107(25);HCqHCq,mof;HH,1;:20010720:(l964),,,10020017fX(I,molH+pH,,;H,,2,pH3,54.0,10%,H+2:¹HH,;º(OH)3,OH,H,HO,,,,(1,;,,,;,,,HH(,,,,Cq,,,,3,,,,,H(,,:(l)H,,,(2)101/1oo,,,(.(3),(4),.,,ContributingFaetorandCountermeasuresofAlumPartieleuPFloatduringCoagulationandPreeiPitationProcessGAOLiang(ouEnentt~titte,CCRIgoung311201.i)Abstract:ThealumpartieleupfloatduringgulationandPreciPitationp~15caubyforrnationof(1basedontheirtherentmechimismofcarnatebalanceinwateruifer.ThetechniqueCounter-measure15purforwasfollows:¹appropdateuciulantaddquantity;ºappriate-centrationoftnaeromoleculenoceulant;»aPprop6atebackmovedtheputtinginintofmacoleculenoceulant;and¼inc~ingvolumeofreactionareasindesn.K:gulationandprecipitation;alumrtieleupfloat;cause;countermeasure101