KS I ISO 14593-2010 Water quality-Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium-Method by analysis of inorganic carbon in sealed vessels(CO.pdf

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1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 14593 (CO 2 ) KS I ISO 14593 :2010 2010 8 2 http:/www.kats.go.krKS I ISO 14593:2010 : ( ) ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2001 1 6 ：2010 8 2 2010-0319 ： ： ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 14593:2010 i .1 1 1 2 2

2、3 .2 4 3 5 4 6 4 6.1 4 6.2 .4 6.3 (H 3 PO 4 )( 85 % mass/volume) .5 6.4 .5 7 5 7.1 (carbon analyzer)5 7.2 (gas-tight) 5 7.3 (orbital shaker).5 7.4 .5 7.5 .5 7.6 5 7.7 pH 5 7.8 5 7.9 CO 2 -free .5 8 6 8.1 6 8.2 (inoculum) .6 8.3 .7 8.4 (TIC) .8 9 10 9.1 .10 9.2 pH 3 10 9.3 CO 2 11 10 .11 11 .11 12 .1

3、1 13 .11 A() 12 B() 14 C() .15 16 KS I ISO 14593:2010 (CO 2 ) Water qualityEvaluation of ultimate aerobic biodegradability of organic compounds in aqueous mediumMethod by analysis of inorganic carbon in sealed vessels(CO 2headspace test) 1999 1 ISO 14593, Water qualityEvaluation of ultimate aerobic

4、biodegradability of organic compounds in aqueous mediumMethod by analysis of inorganic carbon in sealed vessels(CO 2headspace test) . 1 . . a) b) , (KS I ISO 10634 ). c) d) . 1 . KS I ISO 15462 . 2 (headspace) . . 3 8.3 , ( , KS I ISO 8192 ) . KS I ISO 14593:2010 2 2 . . ( ) . KS I ISO 10634, 3 . 3.

5、1 (ultimate aerobic biodegradation) , (mineral salt) () . 3.2 (primary biodegradation) . 3.3 (activate sludge) (biomass) 3.4 ( ) , 105 . 3.5 TOC 3.6 DOC () 3.6 3.8 “ ” 40 000ms 2 , 15 0.2 0.45 m 3.7 TIC KS I ISO 14593:2010 3 3.8 DIC 3.9 ThIC (mg/mg). 3.10 (lag phase) 10 % (days) . 3.11 (maximum leve

6、l of biodegradation) % . 3.12 (biodegradation phase) 90 % (days) . 3.13 (plateau phase) (days) . 3.14 (pre-exposure) , . 3.15 (preconditioning) (sub-sequent) , . 4 (mineral salt) (population)KS I ISO 14593:2010 4 , . , 2 mg/L 40 mg/L 20 mg/L. (CO 2 ) (TIC) . 28 . (ThIC) % . (DOC) (KS I ISO 7827 ). .

7、 5 (2025)2 . 6 . 6.1 1 mg/L 6.2 6.2.1 a) a . anhydrous potassium dihydrogenphosphate (KH 2 PO 4 ) 8.50 g anhydrous dipotassium hydrogenphosphate (K 2 HPO 4 ) 21.75 g disodium hydrogenphosphate dihydrate (Na 2 HPO 4 2H 2 O) 33.40 g ammonium choride (NH 4 Cl) 0.50 g (6.1) 1 000 mL . pH 7.4 . . b) b ca

8、lcium chloride dihydrate(CaCl 2 2H 2 O) 36.40 g (6.1) 1 000 mL . c) c magnesium sulfate heptahydrate(MgSO 4 7H 2 O) 22.50 g (6.1) 1 000 mL . d) d iron(III) chloride hexahydrate(FeCl 3 6H 2 O) 0.25 g (6.1) 1 000 mL . , (HCl) . 6.2.2 10 mL a 800 mL (6.1) , b, c d 1 mL KS I ISO 14593:2010 5 (6.1) 1 000

9、 mL . 6.3 (H 3 PO 4 )( 85 % mass/volume) 6.4 (NaOH) 280 g 1 L 7 mol/L . DIC( ) . 7 . , . , . 7.1 (carbon analyzer) . (TOC) 7.2 (gas-tight) (crimp) 160 mL (serum) 7.3 (orbital shaker) 7.4 7.5 5 L 7.6 7.7 pH 7.8 ( 0.20 m 0.45 m) . 7.9 CO 2 -free ( , KS I ISO 9439 ) . 80 % N 2 20 % O 2 . KS I ISO 14593

10、:2010 6 CO 2 ( CO 2 .) . 8 8.1 8.1.1 100 fold (6.1), (stcok solution) . TOC 2 40 mg/L( 20 mg/L) . , . . . . KS I ISO 10634 . 8.1.2 (aniline) (sodium benzonite) 8.1.1 , TOC 20 mg/L . 8.1.3 ( ), (6.2.2) 20 mg/L (8.1.1) (8.1.2) . 8.2 (inoculum) 8.2.1 8.2.2, 8.2.3 8.2.4 (sources) , . (8.1.2). (12. C ) 4

11、 mg/L . CO 2 (11. ). 1 . ( 2 ) . . , ( , x %, ). 1 , Zahn-Wellens (KS I ISO 9888), SCAS (KS I 3221) ( ) . KS I ISO 14593:2010 7 2 , % (11. ) mL 10 2 10 5 4 mg/L (30 mg/L , CO 2 ). (6.2.2) 10 % . 1 000 mL 1 10 mL . 8.2.2 . ( , 1 mm 2 ) , . CO 2 , . (10 800 ms 2 10) 3 g/L( , KS I ISO 11923) . . (6.2.2

12、) , (wet-air) . 4 mg/L (8.2.1 2 ). 8.2.3 . ( ). pH . CO 2 (7.9) (6.3) pH 6.5 1 . pH 1 . . TIC . 1 L 100 mL . 28 TIC 0.41.3 mg/L( 9 ) . TIC . 8.2.4 . . . . 8.3 8.3.1 (7.2) . a) (F T ) b) (F B ) c) (F C ) d) (F I ) KS I ISO 14593:2010 8 e) (abiotic elimination) (autoclave) (Fs). 10g/L HgCl 2 mercury(I

13、I) chloride 5 mL/L . 2 . (7.5) 1 . . F T , F B F C . 8.3.2 (7.5) . ( , 100 mL) (7.2) . , . . ( , ). / 1 ：2 . . . (5. ) ( 150 r/min200 r/min). (7.1) . (sacrifice) . . F T , F B F C ( F I F S ) . 28 . . 28 . 1 (6.2.2) (8.1.1) (8.1.2) (8.2) F T 240 mg/L TOC F B F C 20 mg/L TOC F S () 240 mg/L TOC F I (

14、) 240 mg/L TOC 20 mg/L TOC 8.4 (TIC) KS I ISO 14593:2010 9 8.4.1 TIC . . 8.4.2 pH 3 (N 2 1 % CO 2 ) (7.1) . (6.3) pH 3 ( , 100 mL 1 mL ). . 1 1 mL . TIC (mg /L ). pH 3 , 1( , 20 0.95) . . (6.1) (7.9) , pH (Na 2 CO 3 ) , TIC 0.510 mg/L . ( , 1：2). ( , 1 mL) (6.3) . TIC . . DOC ( ), ( ) , . , DOC (KS

15、I ISO 8245 ). , (substance-specific analysis) . 8.4.3 CO 2 . (8.4.2) 020 mg/L TIC sodium bicarbonate (NaHCO 3 ) . 1 mL (6.4) . 1 (50200 L) . , ( ) 6 . , TIC . TIC . . DOC ( ) ( ) , KS I ISO 14593:2010 10 . , DOC (KS I ISO 8245 ). , . 9 9.1 100 % (mineralization) , ( , ) (ThIC) (TOC) . ThICTOC (TIC)

16、TIC(mg) (mg) TIC(V L c L)(V H c L ) (1) V L ： (L) c L ： TIC (mg / L ) V H ： (L) c H ： TIC (mg / L ) TIC 9.2 9.3 . D t (%) i b t t TOC ) TIC TIC ( D 100 (2) TIC t ： t TIC(mg) TIC b ： t TIC(mg) TOC i ： TOC(mg) TIC (Fc) (F I ), ( ) (F S ) . 1 F S TIC , . 2 , DOC DOC (KS I ISO 7827 KS I ISO 8245 ). 3 (parent) . 9.2 pH 3 KS I ISO 14593:2010 11 pH 3 TIC . TIC . c L c H9.3 CO 2 (1) . TIC (1) V H c H 0. 10 TIC D t (%) . , (lag phase) (degradation phase) . (20 % ) , ( A ). (%) . (maximum level of degradation) “ ” . . F C , F S F I . F B F S , F I TIC . . F I 25 %