營建工地逕流廢水污染削減計畫 相關法令說明會 · 法令宣導 6 逕流廢水污染削減計畫 1. 營建工地應於施工前,檢具逕流廢水污染削減計畫,
廢 ( 污 ) 水處理及操作維護管理
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Transcript of 廢 ( 污 ) 水處理及操作維護管理
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*()
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*(BOD5 , Biochemical Oxygen Demand) 205BOD(COD, Chemical Oxygen Demand) BODCOD BOD/COD0.6 BOD/COD0.2~0.3 BOD/COD0.0~0.1
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*(SS, Suspended solids)(DO, Dissolved oxygen)DODO(Eutrophication)Heavy metals
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*TS=FS +VSTS=SS +DS
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* 1.CO2H2OCH4 Cu2+Cu2++2OHCu(OH) 2CO2N2 2.
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*
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* 1.2.()34.()
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*(2) ()
mschou(2006/09)
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*()
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*:H2SO4HClNaOHpH(PAC)
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* 1.2.pH
mg/LpHCa(OH)2150~5009~11(Al2(SO4)3.14 H2O)75~2504.5~8.0FeCl335~1504.0~12(FeSO4.7H2O)70~2009.02~50.25~1.0
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* (Jar-test) vs. *
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*pH
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*1~5min10~15min1.5m/sec 9cm/sec75cm/sec15~60cm/sec20~30
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*---QXr, QrXr, QwXe, QeV, XQ + QrQBOD
sjlee(2006/10)
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(COD)(SS)(SV30)(Bio.phase)(DO)(OUR)(MLSS)(F/M)(O2)(NP)
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*(SV30,SVI) SV3015~20%SVI90~120ml/gSV30 SVI
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*SV30SVI (sludge volume index)
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*(Bio.phase)
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*(DO)DO 0.3mg/L1.0mg/L2mg/LDO DO(OURSOUR)10mg/Lhr BOD50~60mg/Lhr
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*2030 pH6.0 8.5pH7.2 7.4 MLDOMLDO13 mg/L MLSSMLSSBOD-SS(SRT) MLSS1,500 3,000 mg/L MLVSSMLVSSMLVSSMLSS5580
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*SV30SV1520 SVSVSV90
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