给水厂生产尾水回用技术分析

26120112JOURNALOFSHANDONGJIANZHUUNIVERSITYV[e-mail]1673-7644201101-0067-04250101PAMTU991.1AAnalysisoftailwaterreusetechnologyinwatersupplyplantsWANGXinLIMeiLIULeietal.SchoolofMunicipalandEnvironmentalEngineeringShandongJianzhuUniversityJinan250101ChinaAbstractThereuseoftailwaterinwatersupplyplantsincludingsettlingtanksludgewaterandfilterbackwashwaterisofgreatsignificancetotheprotectionofwaterresources.Thereusetechnologiessuchasdirectreusemembranefiltrationandchemicaltreatmentarediscussedthroughtheanalysisofthefeaturesoftailwater.Fromtheperspectiveofthesafetyofdrinkingwaterbyanalyzingtheadvan-tagesanddisadvantagesoftheabovetechnologiesitisbelievedthatmembranefiltrationwillgraduallybecometheprimarytechnologyforrecyclingtailwaterinwatersupplyplants.Keywordswatersupplyplanttailwaterdirectreusemembranefiltration011.1682011AOCAOCMIB0.02%~0.05%11.2pH20.2%8h50NTU10%0.2%8h60%~90%299.7%20~30112.1310%~15%45HAL8616922AlOH3Ames2.22.2.167PAM2‰13.18mm/s4×1011m/kg10NTUPAM4‰85mg/L97.14%2.86%190min2.2.2910FlorianGReiss-mann1190%1220068281219pH6.8~9.2850~1050NTU0.21%~0.9%4~17mg/L1210.21%~0.9%0.4NTUGB574906299%100%SDI21/mL1.32kWh/m30.61/m32.2.320~100μm967020111318.28~9.2810.16~11.611.9~12.19/NTU0.180.210.180.650.021.0067510515/mgL-10.350.250.210.700.020.50pH8.58.17.19.26.86.5~8.5/mgL-117818011226594450/mgL-1＜0.05＜0.05＜0.050.08＜0.050.3/mgL-15442287182502/%/NTU＞2000.08~0.35＞99SDI＜2-/L-15.82E﹢040100/L-14.31E﹢0401002~20μm/mL-14500＜1＞99/100mL-11.23E﹢07＜1＞99/100mL-11.76E﹢050100J.E.Tobiason1410%~40%20%pH=7J.K.Edzwald1510%20%1650NTU1.0NTU3.5%~9.6%0.1%2.2.420%20%3GB574920067507