KS I ISO 9888-2008 Water quality-Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium-Static test(Zahn-Wellens method)《水质 水介质中有机化合物最终有氧生物降解能力的评估 静.pdf

1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 9888 (Zahn-Wellens ) KS I ISO 9888:2008 2008 11 10 http:/www.kats.go.krKS I ISO 9888:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：1998 3 26 ：2008 11 10 2008-0751 ： ： ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 9888:2008 (Zahn-Well

2、ens ) Water quality Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium Static test(Zahn-Wellens method) 1999 2 ISO 9888, Water quality Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium Static test(Zahn Wellens method) , . . . .

3、 1 1 . . (hydraulic retention time), (adaptation) . . a) b) c) d) . (KS M ISO 8192 ) . . ( “ ” .) . KS I ISO 9888:2008 2 (： KS M ISO 11733) . KS M ISO 15462 . 2 . . ( ) . . . ISO IEC . KS M ISO 6060, KS M ISO 8245, (DOC) (TOC) 3 , . 3.1 (ultimate aerobic biodegradation) , , ( ) (biomass) 3.2 1 (prim

4、ary biodegradation) () . 3.3 (activated sludge) (biomass) 3.4 (concentration of suspended solids of an activated sludge) 105 3.5 (total organic carbon, TOC) 3.6 (dissolved organic carbon, DOC) , 15 , 40 000 m s 2 0.20.45 m . KS I ISO 9888:2008 3 3.7 (chemical oxygen demand, COD) COD g mg mg . 3.8 (l

5、ag phase) 10 % (day) . 3.9 (maximum level of biodegradation) . . . 3.10 (biodegradation phase) 90 % (day) . 3.11 (plateau phase) (day) . 3.12 (pre-exposure) 3.13 (pre-conditioning) , 4 . , . KS I ISO 9888:2008 4 (DOC) 50400 mg/L , (COD) 1001 000 mg/L . , ( 28 ) DOC( COD) . 3 . . DOC COD . (stripping

6、) . 1 . 5 2025 2 . 6 . 6.1 1 mg/L DOC 6.2 6.2.1 6.2.1.1 a) 2 (KH2PO4) 8.5 g 2 (K2HPO4) 21.75 g 2 (2 )(Na2HPO4 2H2O) 33.4 g (NH4Cl) 0.5 g 1 000 mL (6.1) 1 000 mL pH . pH 7.4 . 6.2.1.2 b) (6.1) 22.5 g (7 )(MgSO4 7H2O) 1 000 mL . 6.2.1.3 c) ( 6.1) 36.4 g ( 2)( CaCl2 2H2O) 1 000 mL . KS I ISO 9888:2008

7、5 6.2.1.4 d) (6.1) 0.25 g (III)(6 )(FeCl3 6H2O) 1 000 mL . (HCl) 1 . 6.2.2 1 000 mL 10 mL a) 1 mL b)d) . 8.3 . . a)c) 6 . pH , . . , , a) 10 mL 100 mL , a) . 400 mg/L DOC C： N： P 100： 0.3： 30 100： 3： 300 . pH . 6.3 (NaOH) (6.1) 0.10.5 mol/L . 6.4 (HCl) (6.1) 0.10.5 mol/L . 6.5 1 g (HgCl2) 100 mL (6.

8、1) . 7 . 7.1 15 L , . . 24 mm (frit) . , . . 7.2 (KS M ISO 8245 ) (KS M ISO 6060 ) , (substance-specific analysis) KS I ISO 9888:2008 6 7.3 ( / 0.2 0.45 m) 7.4 pH ( ) 8 8.1 8.1.1 (6.1) (6.2.2) (： 3 000 mg/L) TOC, DOC, pH . DOC TOC 90 % , DOC . (6.1) . pH ( 10) , (6.3) (6.4) pH 71 . 8.1.2 (6.1) (6.2.

9、2) (： 3 000 mg/L) 90 % , ( , , ) . 8.2 . (6.2) (： 2 3 ) . (3.4) ( KS M ISO 11923 ). , ( 10 %) . . . . . . ( ) . . , (8.3 ) Zahn-Wellens ( , KS M ISO 9888) SCAS (ISO 9887) . ( ) . 8.3 KS I ISO 9888:2008 7 (7.1) . (8.1.1) 1 (FT) 1 (FB) (8.1.2) 1 (FC) , (8.1.1) 1 (FS), , (6.5) 1 mL/L . 2 . ( , 3 L) . ,

10、 . DOC COD . 1 . (6.1) 2/3 . FT (8.1.1) 50400 mg/L DOC 1001 000 mg/L COD . ( t0) DOC COD . t0 9.1 (2) . 6.2.1 . pH , (6.3 ) (6.4 ) pH 70.5 . (8.2) . . 50 mg/L DOC 0.2 g/L , 400 mg/L DOC 1 g/L . (6.1) . 1 (6.2) (8.1.1) (8.1.2) (8.2) FT FB Fc FS ( ) (FB) FC (8.1.2) . FB . . , (air stripping) (FS)( ) ,

11、 KS I ISO 9888:2008 8 10 mL/L (II) (6.5) . (5. ). , . , (6.1) . pH ( , ), pH7.00.5 . , 40 000 m/s215 (7.3) . , (7.3) . DOC COD . , (substance-specific analysis) . . 48 4 . 48 (II) (6.5) 20 mL/L 4 . COD . 18 . ( t1) (30.5) , ( 27 28 ) 2 3 ( 7 , 14 , 21 ) . 28 . DOC , . , 1 2 . , . , , . 9 9.1 (1) DOC

12、 COD . Dt t1(30.5) . (6.2.1) , , (desorption) . 1001cB1cT1cBtcTtt=D (1) KS I ISO 9888:2008 9 cT1 ： t1 FT DOC (mg/L) cB1 ： t1 FB DOC (mg/L) cTt ： t FT DOC (mg/L) cBt ： t FB DOC (mg/L) COD , . Fc Fs , cB1 cBt . , (30.5) t1 DOC COD t0 ( 20 %). (static test) . (2) De . 1001cT0cBtcTte =D (2) cT0： t0 FT D

13、OC (mg /L) , (3) FS DS . 100STSS=D (3) T： t FT (mg /L) S： t FS (mg /L) 9.2 . Dt DS / De ( A ). . FC , FS . ( , 9.3 ) “ ( )” . 9.3 (30.5) t1 t0 , “ (static test) ” DOC COD . KS I ISO 9888:2008 10 FS ( ) DOC COD ( 20 %) , . ( 20 % ) ( , FS 20 % ) , ( A ) . . , , KS M ISO 9408 KS M ISO 9439 (KS M ISO 15462 ) . , (KS M ISO 9888) . 10 FC( ) 14 70 % . , . 11 . a) b) c) DOC COD d) , e) f) DOC COD, (substance-specific analysis) g) ( ) h) , i) j) FS k) l) , KS I ISO 9888:2008 11 A ( ) A.1 ( ) 10 % 90 % (plateau phase) DOC (%) KS I ISO 9888:2008 12 1 KS M ISO 7827,