1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS I ISO 5815 2 n (BODn) 2： KS I ISO 5815 2:2008 2008 11 10 http:/www.kats.go.krKS I ISO 5815 2:2008 : ( ) ( ) ( ) : (http:/www.standard.go.kr) ： ：2003 10 31 ：2008 11 10 2008-0751 ： ： ( 02-509-7266) (http:/www.kats.go.kr). 10 5 , . KS I ISO 5815 2:2008 n (BO
2、Dn) 2： Water quality Determination of biochemical oxygen demand after n days(BODn) Part 2： Method for undiluted samples 2003 1 ISO 5815 2, Water quality Determination of biochemical oxygen demand after n days(BODn) Part 2： Method for undiluted samples , . ISO 5815 2 ISO/TC 147 “ ” SC2 “ ” . AC . . .
3、 . 1 . 0.5 mg/L 6 mg/L . . , . . . , , . . A . B ( ), (ATU) , . . C . KS I ISO 5815 2:2008 2 2 . . ( ) . KS M ISO 3696, KS M ISO 5813, ( ) KS M ISO 5814, ( ) 3 . 3.1 n (BODn) . n 5 7 . 1 ISO 6107 2 . 2 . 4 . 20 (aeration) . 5 7 20 . . 5 . . 5.1 BOD 250300 mL 100125 mL , . . (KS M ISO 5813) . (KS M I
4、SO 5814) . 510 mL (1 % 1 L 2.5 g 12.5 g) . 15 . 5.2 (202) . KS I ISO 5815 2:2008 3 5.3 KS M ISO 5813 KS M ISO 5814 . 5.4 04 . 5.5 ( ) . , . 6 04 . BODn 24 . 7 7.1 (202) . , 15 . . 7.2 7.2.1 (KS M ISO 5813 ) (7.1) 2 (5.1) . . , . 2 . (5.2) n 4 . 15 0 . KS M ISO 5813 . KS M ISO 5813 . 7.2.2 (KS M ISO
5、5814 ) (7.1) (5.1) . . . ( 0 ) KS M ISO 5814 . KS I ISO 5815 2:2008 4 . (5.2) n 4 . KS M ISO 5814 . 7.2.3 2 (BODn1, BODn2) . (i) (ri ) . %)BODBOD(5.0100)BODBOD(2121nnnnir+= (3) BODn1： BODn BODn2： BODn . % 8267.3 r (4) r ： ri (coefficient of variation, CV) . %128.1CVr= (5) 2 mg/L . BOD . . 8 n (BODn)
6、 , mg . )(BOD21 =n(6) 1： ( 0 ) (mg/L) 2： n (mg/L) ( 4.5 mg/L). C . 9 KS I ISO 5815 2:2008 5 . a) (KS M ISO 5815 2) b) (n) c) ( mg/L) (8. ) d) e) f) . (7.1), (BOD2 5)( A ), ( B ) KS I ISO 5815 2:2008 6 A ( ) BOD Phelps . ktxLL=10log L ： BOD( mg/L) x ： t BOD( mg/L) t ： ( ) k ： ( ) k L . BOD . . BOD 20
7、 5 7 . 04 2 20 5 BOD2 5 . 1992 BOD5 BOD7 , BOD5 BOD2 5 . 9 76 . A.1 . BOD5 BOD2 5 . A.1 46 : 1992BOD5 BOD25 BOD5 mg/L BOD25 mg/L a BOD25/ BOD5A 2.15 2.12 71 B 4.87 4.92 71 Cs0.68 0.62 15 Cj1.29 1.28 28 Ds4.69 4.68 16 Dj3.03 3.22 28 1.06 a = 0.05 BOD2 5 7.2.1 . “ 04 2 21) , (5.2) (201) 5 21) 1) .KS I
8、 ISO 5815 2:2008 7 .” 7.2.2 . “ 04 2 21) (5.2) , (201) 5 21) .” BOD2 5 BOD5 BOD2 5 BOD5 . KS I ISO 5815 2:2008 8 B ( ) B.1 . . . 24 . . . BODn . 520 mL (B.2.2) . . 7. . 1/32/3 . BODn mg . sds4321000 1000 1)()(BODVVVn = 1： ( 0 ) (mg/L) 2： n (mg/L) 3： ( 0 ) (mg/L) 4： n (mg/L) Vs： ( mL/L ) Vd： ( mL/L )
9、 . (B.2.2.1B.2.2.4) 1 mL . BODn . 2 mL (B.2.3) . pH 68 . (B.2.4) (B.2.5) . . . (B.2.6) . KS M ISO 7393 1 KS M ISO 7393 2 . KS I ISO 5815 2:2008 9 . a) b) (10. ) . 1.6 m . BOD . . . B.2 KS M ISO 3696 3 . , 0.01 mg/L . B.2.1 . a) b) B.2.2 . 1 . B.2.2.1 (pH 7.2) (KH2PO4) 8.5 g, (K2HPO4) 21.75 g, 7 (Na2
10、HPO47H2O) 33.4 g, (NH4Cl) 1.7 g 500 mL 1 000 mL . pH 7.2 . B.2.2.2 7 ( = 22.5 g/L) 7 (MgSO4 7H2O) 22.5 g 1 000 mL . B.2.2.3 ( = 27.5 g/L) (CaCl2) 27.5 g 2 (CaCl2 2H2O) 36.4 g 1 000 mL . B.2.2.4 (III) 6 ( = 0.25 g/L) (III) 6 (FeCl3 6H2O) 0.25 g 1 000 mL . KS I ISO 5815 2:2008 10 B.2.3 (ATU) (C4H8N2S)
11、 200 mg 200 mL . 4 . B.2.4 (HCl) (H2SO4) c(H2SO4) 0.25 mol/L c(HCl) 0.5 mol/L B.2.5 (NaOH) 20 g/L B.2.6 (Na2SO3) 50 g/L KS I ISO 5815 2:2008 11 C ( ) BODn 1992 9 , 76 2 2 . C.1 . C.1 46：1992 mg/L mg/L % mg/L % A 2.15 0.10 4.3 0.53 24 72 2 B 4.87 0.13 2.7 0.85 18 72 3 C 1.56 0.12 7.4 24 3 C00.68 0.13
12、 18 0.26 36 16 1 C11.29 0.13 9.4 0.34 26 28 1 D 2.06 0.15 5.0 24 1 Ds4.69 0.22 4.8 0.30 6.4 16 0 BOD5 Dj3.03 0.15 4.7 0.31 10 28 0 A 2.12 0.13 5.9 0.37 17 71 2 B 4.92 0.17 3.6 0.85 18 71 3 C 1.29 0.12 7.4 24 2 C00.62 0.10 17 0.21 36 16 1 C11.28 0.11 9.1 0.27 21 28 0 D 1.90 0.10 3.9 24 3 Ds4.68 0.15
13、3.1 0.39 8.4 16 1 BOD2 5 Dj3.22 0.13 3.9 0.38 12 28 1 A 2.57 0.11 4.3 0.40 15 71 6 B 5.82 0.15 2.7 0.94 17 71 4 C 2.02 0.13 7.5 24 4 C00.90 0.08 9.8 0.26 30 16 4 C11.50 0.14 8.9 0.38 25 28 2 D 2.67 0.17 4.9 24 2 Ds5.51 0.29 5.3 0.42 7.7 16 0 BOD7 Dj4.74 0.16 3.4 0.44 9.3 28 0 0.100.29 mg/L 0.260.94
14、mg/L . BOD5 BOD7 . BOD5 BOD7 . BOD5 BOD7 . C.2 . KS I ISO 5815 2:2008 12 C.2 46 : 1992BOD5 BOD7 BOD5 mg/L BOD7 mg/L a BOD7/ BOD5A 2.15 2.57 71 1.20 B 4.87 5.82 71 1.20 Cs0.68 0.90 15 1.32 Cj1.29 1.50 28 1.16 Ds4.69 5.51 16 1.28 Dj3.03 4.74 28 1.56 a = 0.05 KS I ISO 5815 2:2008 13 1 ISO 6107 2： 2006,
15、 Water quality Vocabulary 2 KS M ISO 7393 1, 1： n,n 1,4 3 KS M ISO 7393 2, 2： n,n 1,4 4 KS M ISO 9408, n (BODn) 2： 135513 7017 (02)60094114 (02)600948878 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS I ISO 5815 2:2008 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Water qualityDetermination of biochemical oxygen demand after n days(BODn) Part 2：Method for undiluted samples ICS 13.060.50
