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()“”,,,,,〔1〕,。,,,、、、。“、、、”:“”,,、、、,,,。“”,,“——————”。;,;,。“”,,,:,,,,蔡战胜,万树春(,061101)[]。,,,。,,,,。[];;[]X703.1[]B[]1005-829X(2013)07-0094-03RecoveryprocessingandreuseofconcentratedwaterfromademineralizationwaterstationCaiZhansheng,WanShuchun(CNOOCZhongjiePetrochemicalCo.,Ltd.,Cangzhou061101,China)Abstract:ThepotentialanalysisandoptimizationschemeofthewaterusedinenterpriseshavebeenstudiedbymeansofwaterbalancetestsinCNOOCZhongjiePetrochemicalCo.,Ltd..Accordingtotheactualsituationinthecompany,itisascertainedthatthefirstthingistoimplementtheschemeofrecoveryprocessingandreuseofthecon-centrateddemineralizationwater.Bymakinguseofpartofdemineralizationfacilitiesforthereclaimedwaterreuseintheoriginalwastewatertreatment,aconsiderableamountofinvestmentcanbesaved.Aftertheimplementationofthisscheme,therecoveryprocessingoftheconcentratedwaterdischargedfromthedemineralizationstationofthecompanyisrealized,andthetreatedwatercanbereusedforthecirculatingwatersystemasmake-upwater.Alargeamountoffreshwatercanbesaved,makingagreatcontributiontothewater-savingandemission-reductionworkofthecompany.Keywords:waterbalancetest;watersavingoptimizationscheme;concentratedwaterrecovery33720137IndustrialWaterTreatmentVol.33No.7Jul.,201394,,。,、、、、、、712,。,,1a,,、,,,。11.1,1#2#,210t,、、。、,1#22,2260t/hRO,22。2#4,2260t/hRO,222。(、),,(、),、、(、、),(、)。,,1。11.2,50m3/h,:()→→→→→→→→→→→。,、、,、、,COD、BODTDS,,,,,,。1.3,2#,(),,:(200m3)→(21)→(1)→()→RO(1)→RO(1)→RO(1)→RO→RO()→()→。2。2、1.4:(1),;(2)、;(3)、,1;(4)RO、;(5),、,15;(6)1,26m×12m×6m。1.5:1,120m3/h,0.28MPa;1,93m3/h,0.28MPa。,1,D=2600mm,55m3/h,10m/h。RO,1,3000L,90m3/h、30m。pH7.2/(mg·L-1)0CODCr/(mg·L-1)1TDS/(mg·L-1)3500/℃25/(mg·L-1)1500pH5.5~9.0CODCr/(mg·L-1)0TDS/(mg·L-1)200/(m3·h-1)40(65%)2013-07,33(7),:95RO,1,60m3/h,38m。,1,3.8L/h,760kPa。,1,D=600mm,36,50m3/h,≤5μm。RO,1,60m3/h,144m。,1,45,40m3/h,15,,65%,97%。2,。,,,28.28t/h,,15.55t/h,。,,2.52.7,。33.1、29,79,108。3.2、(、、NaOH)、(RO、),300d,300×24×28.28=203616t。75kW,0.65/(kW·h);4/t,0.78t/a;5000/t,0.08t30%NaOH800/t,0.01t;RO5200/,5;47/,3,50。=×/×=70×0.7×0.65=31.85/h×24×300=229320;=12×65×40+4×20×5+4×25×0.8=31200+400+80=31680;=5200×60/5+4×50×47=62400+9400=71800;=229320+31680+71800=332800;=332800/203616=1.634/t。4,15.55t/h,12.44t,43.54。,1.391.17,。[1].[J].,2005,25(12):6-10.———————————[](1973—),。E-mail:caizhsh@cnooc.com.cn。[]2013-04-13()2013-07,33(7)pH(pHs)?(IS),。1936,(Langelier),pH,CaCO3,。pH,pH(pHs)。CaCO3,。pH(pHs),pHs、、,pHpHs,,IS。IS>0,(CaCO3),,;IS<0,(CaCO3),CaCO3,,;IS=0,CaCO3,CaCO3,,。,:IS=pH-pHs>0IS=pH-pHs=0IS=pH-pHs<0(摘自《工业水处理技术问答及常用数据》)≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤≤··96
本文标题:除盐水站浓水回收处理及再回用
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