哈希水质化学需氧量(COD)测定方法

USEPA 8000 0.7ü40.03 mg/L COD; 3ü150 mg/L COD;

20ü1500 mg/L COD; 200ü15,000 mg/L COD

1

2

⫼Ѣ∈Ϣ ∈ˈ䳔㽕⍜㾷

3-150 mg/L 20- 1500 mg/L䞣⿟ⱘCOD Ẕ⌟⊩ 㕢 ⦃ 㕆 86(3$ 䅸 ⱘ⫼Ѣ ∈ ⱘ ⊩˄ ⊩5200 D˅, 㕢 㘨䙺⊼ ⱏ䆄,1980 4 21 45(78), 26811-26812DŽ 2

Jirka, A.M.; Carter, M.J., , 1975, 47(8), 1397 3 DR 2700 DR/2400 ⊩⌟䞣 Ԣ䞣⿟

1

1. ϔϾ⏋ Ё 100 mLḋ 䖯㸠 ⾦ⱘ 䋼 ⧚DŽ 䞣 ԧⱘḋ ˈ䳔㽕 䋼 ⧚ⱘ 䯈DŽ ḋ ϡ ⍂ ԧˈ ⳕ⬹偸1 2DŽ 2. 200-15,000 mg/L䞣⿟ 催 䞣⿟ⱘ㊒⹂ 䞡 ˈ 㒣 䋼 ⧚ⱘḋ ϔϾ250 mLⱘ⚻ Ёˈ ⫼⺕ 䕏䕏 DŽ

3. DRB200 DŽ乘⛁ 150°C DŽ

㾕DRB200⫼ ˈ䗝 乘㓪⿟ⱘ⏽ ⿟ DŽ

4. 䰸 ϸϾCOD ⍜㾷 ㅵϞⱘⲪ DŽ ⹂ Փ⫼ⱘ ㅵ䞣⿟䗖

5. ḋ ˖ ϔ ㅵ 㾦ϞDŽ⫼⏙⋕ⱘ⿏⎆ㅵ 2.00 mLⱘḋ ⏏ ㅵЁDŽ

Փ⫼TenSette ⿏⎆ㅵ⏏ 0.20 mL ḋ ⫼Ѣ200ü15,000 mg/L䞣⿟ⱘẔ⌟DŽ 6. ぎⱑḋ ˖ ㄀ѠϾ ㅵ 㾦ϞDŽ⫼⏙⋕ⱘ⿏⎆ㅵ 2.00 mLⱘ ⾏ ∈⏏ ㅵЁDŽ

Փ⫼TenSette ⿏⎆ㅵ⏏ 0.20 mL ⾏ ∈Ѣ200ü15,000 mg/L䞣⿟ⱘẔ⌟DŽ

7. ㋻ㅵⲪDŽ⫼∈ ⋫ ⫼⏙⋕ⱘ㒌 DŽ

8. ∈∴Ϟ ԣㅵⲪϔッˈ䕏䕏 Ϟϟ乴 ⃵ҹ⏋ DŽ㒣⏋ ˈḋ ㅵӮ ⛁DŽ ㅵ 乘⛁ⱘDRB 200 ЁDŽⲪϞ ⲪDŽ

9. ⛁2 DŽ

10. 䯁 DŽ

ㄝ 㑺 䩳ˈՓ ㅵ 120°C Ԣⱘ⏽ DŽ

11. ԭ⛁ ˈ ㅵϞϟ乴 ⃵DŽ

12. ㅵ 䆩ㅵ ϞˈՓ ⏽DŽ

㒻㓁↨㡆⹂ ⊩8000DŽ

1. 䗝 ⌟䆩⿟ DŽ

㽕 䙂 㔽 䗖䜡 ˄ 㾕Ҿ 䆺㒚䇈 ˅DŽ ԧ 㾕⫼ Փ⫼ DŽ

2. ⫼⑓ ㅵ ˈ ⫼ DŽ

3. ぎⱑㅵ 16mm ḋ ∴ЁDŽ

4. Zero() 䇗䳊DŽ䖭 ⼎˖

0 mg/L COD

5. ḋ ㅵ 16mm ḋ ∴ЁDŽ 6. Read() COD 㒧 ˈ ԡmg/LDŽ

7. Փ⫼䍙催䞣⿟&2'⍜㾷 ㅵˈ 㒧 Ьҹ10DŽ Ў ⹂ⱘ㒧 ˈ Ѣ㒧 1500 15,000 mg/L ⱘḋ ˈ䇋⿔䞞ḋ 䞡 Ẕ⌟ϔ⃵DŽ

ぎⱑ 䞡 Փ⫼ˈ⫼ ⱘ ⫊䖯㸠⌟䞣DŽ䇋 ぎⱑḋ DŽ

䗮䖛Ẕ⌟Ⳍ ⊶䭓ϟⱘ ⥛ 㾷 䖯㸠ⲥ DŽ䇋 䯙䞣⿟üüⳌ ⊶䭓㸼DŽ

⥛῵ ϟ Ҿ 䆒䳊ˈ⫼ϔϾ ⫊㺙5 mL ⾏ ∈ˈ Ẕ⌟ぎⱑ ⱘ ⥛DŽ䆄ϟ DŽ ⥛ 0.01 ԡ ⫳ ˈ䇋 ϔϾ ⱘぎⱑ DŽ

⹂ COD ⌧ ˈ∃ ⠽ Џ㽕ⱘ DŽ↣ϾCOD ⫊䛑 ⸿䝌∲ˈ 㛑 䰸 催⌧ Ў㸼 Ё㄀ ⌧ ⱘ∃ ⠽ DŽ ∃ ⠽⌧ 䕗催ⱘḋ 䖯㸠⿔䞞DŽ⿔䞞ḋ Ⳉ ∃ ⠽⌧ 䰡ԢЎ㄀ 㒭 ⱘ∈ DŽ

COD ⌧ 䕗 ⱘḋ ˈՓ⫼Ԣ䞣⿟ Ԣ䞣⿟DŽ

ḋ ⿔䞞 COD ⌧ Ԣˈ ㊒⹂ ˈ ⏏ ḋ ˈ COD ⫊Ё⏏ 0.50 gⱘ⸿䝌∲(HgSO4) DŽ乱 ⏏ ⱘ⸿䝌∲ ∃ ⠽⌧ 催 㸼 Ё㄀ 㒭 ⱘ 䆌 催⌧ DŽ

•⫼⦏⩗⫊䞛䲚ḋ DŽ

• ⶹ䘧≵ ⠽∵ Փ⫼ ⫊䞛ḋDŽ • Ẕ⌟ ⫳⠽⌏ ⱘḋ DŽ

• 䋼 ԧ乫㉦⠽ⱘḋ ˈ⹂ ḋ ҷ㸼 DŽ

•Փ⫼⸿䝌( 㑺↣ ḋ Ё 2 mL⸿䝌) ḋ ⱘpH 䇗 㟇2 ҹϟˈ 4°C ӊϟ 䭓 ҹ 28 DŽ •ḍ ḋ ԧ⿃ 䞣 ℷ⌟䆩㒧 DŽ

⹂ Ẕ 䳔ⱘ䆩 ϢҾ ˖

•䚏㣃Ѡ䝌⇶䪒(KHP)ˈѢ120 °C ➹ϔ •ϡ ⠽ⱘ ⾏ ∈ •A㑻 䞣⫊ •A㑻⿏⎆ㅵ

0.71. ✻ϟ ⊩䜡 ⌧ Ў30 mg/LⱘCOD ⒊⎆˖

a. ⫼1000 mLϡ ⠽ⱘ ⾏ ∈⒊㾷850mg ➹ⱘKHP ˈ 1000mg/L ⒊⎆DŽ b. ⿏ 3.00 mL1000mg/Lⱘ ⒊⎆ˈ㕂Ѣ100 mL 䞣⫊ЁDŽ c. ⫼ ⾏ ∈⿔䞞㟇 㒓 ⏋ DŽ

2. ⫼2mL 30 mg/LⱘCOD ⒊⎆ҷ ḋ DŽ ✻Ϟ䗄↨㡆⊩⌟䆩⌕⿟䖯㸠⌟䆩DŽ㒧 䆹 30 mg/LDŽ䇋 䯙 㒓䇗 䇈 ˈ ⫼ ⒊⎆ 㒓DŽ

31. ✻ϟ ⊩䜡 ⌧ Ў100 mg/LⱘCOD ⒊⎆˖

a. ⫼1000 mLϡ ⠽ⱘ ⾏ ∈⒊㾷850mg ➹ⱘKHP ˈ 1000mg/L ⒊⎆DŽ b. ⿏ 10 mL1000mg/Lⱘ ⒊⎆ˈ㕂Ѣ100 mL 䞣⫊ЁDŽ c. ⫼ ⾏ ∈⿔䞞㟇 㒓 ⏋ DŽ

2. ⫼2mL 100 mg/LⱘCOD ⒊⎆ҷ ḋ DŽ ✻Ϟ䗄↨㡆⊩⌟䆩⌕⿟䖯㸠⌟䆩DŽ㒧 䆹 100 mg/LDŽ䇋 䯙 㒓䇗 䇈 ˈ ⫼ ⒊⎆ 㒓DŽ

201. ✻ϟ ⊩䜡 ⌧ Ў500 mg/LⱘCOD ⒊⎆˖

a. ⫼1000 mLϡ ⠽ⱘ ⾏ ∈⒊㾷425mg ➹ⱘKHP ˈ 500mg/L ⒊⎆DŽ b. ⏋ DŽ

2. ⫼2mL 500 mg/LⱘCOD ⒊⎆ҷ ḋ DŽ ✻Ϟ䗄↨㡆⊩⌟䆩⌕⿟䖯㸠⌟䆩DŽ㒧 䆹 500 mg/LDŽ䇋 䯙 㒓䇗 䇈 ˈ ⫼ ⒊⎆ 㒓DŽ

2mL 300mg/Lˈ800mg/Lˈ1000mg/LⱘCOD ⒊⎆䖯㸠 ⹂ Ẕ DŽ

200

1. ✻ϟ ⊩䜡 ⌧ Ў10000 mg/LⱘCOD ⒊⎆˖

a. ⫼1000 mLϡ ⠽ⱘ ⾏ ∈⒊㾷8.500g ➹ⱘKHP ˈ 10000mg/L ⒊⎆DŽ

2. ⫼2mL 10000 mg/LⱘCOD ⒊⎆ҷ ḋ DŽ ✻Ϟ䗄↨㡆⊩⌟䆩⌕⿟䖯㸠⌟䆩DŽ㒧 䆹 10000 mg/LDŽ䇋 䯙 㒓䇗 䇈 ˈ ⫼ ⒊⎆ 㒓DŽ

∲ⱘCOD2䆩 կϔ⾡⫼Ѣ䴲∛ Ⳃⱘⱘ ∲⌟䆩DŽ 䖛⿟ ˈCOD2䆩 䰸∲ ⠽ ℸ㡖㑺 ⧚ DŽ䖭ѯ䆩 Ϣ⌟䆩⿟ ˈ 㒓 䅵Ё䖯㸠њ㓪 DŽ ⫼Ѣ⌟䆩 ∃ ⠽ ⇼∈ⱘḋ ˈ ㊒⹂㒧 DŽ

(USEPA) 䖭ѯ䆩 ⫼Ѣ∛ Ⳃⱘⱘ⌟䆩DŽ ЎCOD2䆩 Ёⱘ∲ ϡ 㬑 ˈ∃ ⠽ 䆹⌟䆩 ℷ DŽ⃶䖢㋶ COD 䆩 ⫊ ⤂㓪 ˈҹ㦋 ⡍⅞ ⫼ⱘ䆺 DŽ

DR/2400

80 mg/L COD(Ԣ䞣⿟)

800 mg/LCOD(催䞣⿟) 10000 mg/LCOD(䍙催䞣⿟)

30mg/LCOD(䍙Ԣ䞣⿟) 80 mg/L COD(Ԣ䞣⿟)

800 mg/LCOD(催䞣⿟) 8000 mg/LCOD(䍙催䞣⿟)

30mg/LCOD(䍙Ԣ䞣⿟) 80 mg/L COD(Ԣ䞣⿟)

800 mg/LCOD(催䞣⿟) 10000 mg/LCOD(䍙催䞣⿟)

778ü822 mg/L COD

20 mg/L COD

435 ˄200ü15000 mg/L˅

DR 5000 DR 2800 DR 2700

7850 – 8150 mg/L COD 230 mg/L COD

DR/2500 DR/2400

9780ü10220 mg/L COD

200 mg/L COD

䳔⇻䞣˄COD ˈ ԡ˖mg/L˅ⱘ Н 䆹⿟ ӊϟ↣ ḋ ⍜㗫ⱘO 2ⱘ䞣˄mg ˅DŽ ⊩Ёˈḋ Ϣ⸿䝌ǃϔ

2-⾡ ⇻ ˄䞡䫀䝌䪒˅ϔ䍋 ⛁ϸϾ DŽ ⇻ ⱘ ⏋ ⠽䗮䖛 ˈ 䞡䫀䝌Ⲥ⾏ (Cr2O 7) 䖬 Ў㓓㡆ⱘ䫀⾏ (Cr3+) DŽ

6+

䞛⫼0.7-40.0 3-150 mg/L↨㡆⊩ˈ ҹ⹂ Cr ⱘ⅟⬭䞣DŽ 䞛⫼20-1500 mg/L 200-15,000 mg/L↨㡆⊩ˈ ҹ⹂ Cr 3+ⱘ⫳ 䞣DŽCOD 䆩 䫊⾏ ∲⾏ DŽ䫊 ˈ∲⫼Ѣ ∃ ⠽ⱘ DŽ 䞣⿟ⱘ⌟䆩㒧 ϡ ⊶䭓ⱘ 㾕 ϟ䇏 ⱘDŽ ԧ⊶䭓㾕ϟ㸼DŽ

⅞ ⫼ⱘ䆺 DŽ

USEPA 8000 0.7ü40.03 mg/L COD; 3ü150 mg/L COD;

20ü1500 mg/L COD; 200ü15,000 mg/L COD

1

2

⫼Ѣ∈Ϣ ∈ˈ䳔㽕⍜㾷

3-150 mg/L 20- 1500 mg/L䞣⿟ⱘCOD Ẕ⌟⊩ 㕢 ⦃ 㕆 86(3$ 䅸 ⱘ⫼Ѣ ∈ ⱘ ⊩˄ ⊩5200 D˅, 㕢 㘨䙺⊼ ⱏ䆄,1980 4 21 45(78), 26811-26812DŽ 2

Jirka, A.M.; Carter, M.J., , 1975, 47(8), 1397 3 DR 2700 DR/2400 ⊩⌟䞣 Ԣ䞣⿟

1

1. ϔϾ⏋ Ё 100 mLḋ 䖯㸠 ⾦ⱘ 䋼 ⧚DŽ 䞣 ԧⱘḋ ˈ䳔㽕 䋼 ⧚ⱘ 䯈DŽ ḋ ϡ ⍂ ԧˈ ⳕ⬹偸1 2DŽ 2. 200-15,000 mg/L䞣⿟ 催 䞣⿟ⱘ㊒⹂ 䞡 ˈ 㒣 䋼 ⧚ⱘḋ ϔϾ250 mLⱘ⚻ Ёˈ ⫼⺕ 䕏䕏 DŽ

3. DRB200 DŽ乘⛁ 150°C DŽ

㾕DRB200⫼ ˈ䗝 乘㓪⿟ⱘ⏽ ⿟ DŽ

4. 䰸 ϸϾCOD ⍜㾷 ㅵϞⱘⲪ DŽ ⹂ Փ⫼ⱘ ㅵ䞣⿟䗖

5. ḋ ˖ ϔ ㅵ 㾦ϞDŽ⫼⏙⋕ⱘ⿏⎆ㅵ 2.00 mLⱘḋ ⏏ ㅵЁDŽ

Փ⫼TenSette ⿏⎆ㅵ⏏ 0.20 mL ḋ ⫼Ѣ200ü15,000 mg/L䞣⿟ⱘẔ⌟DŽ 6. ぎⱑḋ ˖ ㄀ѠϾ ㅵ 㾦ϞDŽ⫼⏙⋕ⱘ⿏⎆ㅵ 2.00 mLⱘ ⾏ ∈⏏ ㅵЁDŽ

Փ⫼TenSette ⿏⎆ㅵ⏏ 0.20 mL ⾏ ∈Ѣ200ü15,000 mg/L䞣⿟ⱘẔ⌟DŽ

7. ㋻ㅵⲪDŽ⫼∈ ⋫ ⫼⏙⋕ⱘ㒌 DŽ

8. ∈∴Ϟ ԣㅵⲪϔッˈ䕏䕏 Ϟϟ乴 ⃵ҹ⏋ DŽ㒣⏋ ˈḋ ㅵӮ ⛁DŽ ㅵ 乘⛁ⱘDRB 200 ЁDŽⲪϞ ⲪDŽ

9. ⛁2 DŽ

10. 䯁 DŽ

ㄝ 㑺 䩳ˈՓ ㅵ 120°C Ԣⱘ⏽ DŽ

11. ԭ⛁ ˈ ㅵϞϟ乴 ⃵DŽ

12. ㅵ 䆩ㅵ ϞˈՓ ⏽DŽ

㒻㓁↨㡆⹂ ⊩8000DŽ

1. 䗝 ⌟䆩⿟ DŽ

㽕 䙂 㔽 䗖䜡 ˄ 㾕Ҿ 䆺㒚䇈 ˅DŽ ԧ 㾕⫼ Փ⫼ DŽ

2. ⫼⑓ ㅵ ˈ ⫼ DŽ

3. ぎⱑㅵ 16mm ḋ ∴ЁDŽ

4. Zero() 䇗䳊DŽ䖭 ⼎˖

0 mg/L COD

5. ḋ ㅵ 16mm ḋ ∴ЁDŽ 6. Read() COD 㒧 ˈ ԡmg/LDŽ

7. Փ⫼䍙催䞣⿟&2'⍜㾷 ㅵˈ 㒧 Ьҹ10DŽ Ў ⹂ⱘ㒧 ˈ Ѣ㒧 1500 15,000 mg/L ⱘḋ ˈ䇋⿔䞞ḋ 䞡 Ẕ⌟ϔ⃵DŽ

ぎⱑ 䞡 Փ⫼ˈ⫼ ⱘ ⫊䖯㸠⌟䞣DŽ䇋 ぎⱑḋ DŽ

䗮䖛Ẕ⌟Ⳍ ⊶䭓ϟⱘ ⥛ 㾷 䖯㸠ⲥ DŽ䇋 䯙䞣⿟üüⳌ ⊶䭓㸼DŽ

⥛῵ ϟ Ҿ 䆒䳊ˈ⫼ϔϾ ⫊㺙5 mL ⾏ ∈ˈ Ẕ⌟ぎⱑ ⱘ ⥛DŽ䆄ϟ DŽ ⥛ 0.01 ԡ ⫳ ˈ䇋 ϔϾ ⱘぎⱑ DŽ

⹂ COD ⌧ ˈ∃ ⠽ Џ㽕ⱘ DŽ↣ϾCOD ⫊䛑 ⸿䝌∲ˈ 㛑 䰸 催⌧ Ў㸼 Ё㄀ ⌧ ⱘ∃ ⠽ DŽ ∃ ⠽⌧ 䕗催ⱘḋ 䖯㸠⿔䞞DŽ⿔䞞ḋ Ⳉ ∃ ⠽⌧ 䰡ԢЎ㄀ 㒭 ⱘ∈ DŽ

COD ⌧ 䕗 ⱘḋ ˈՓ⫼Ԣ䞣⿟ Ԣ䞣⿟DŽ

ḋ ⿔䞞 COD ⌧ Ԣˈ ㊒⹂ ˈ ⏏ ḋ ˈ COD ⫊Ё⏏ 0.50 gⱘ⸿䝌∲(HgSO4) DŽ乱 ⏏ ⱘ⸿䝌∲ ∃ ⠽⌧ 催 㸼 Ё㄀ 㒭 ⱘ 䆌 催⌧ DŽ

•⫼⦏⩗⫊䞛䲚ḋ DŽ

• ⶹ䘧≵ ⠽∵ Փ⫼ ⫊䞛ḋDŽ • Ẕ⌟ ⫳⠽⌏ ⱘḋ DŽ

• 䋼 ԧ乫㉦⠽ⱘḋ ˈ⹂ ḋ ҷ㸼 DŽ

•Փ⫼⸿䝌( 㑺↣ ḋ Ё 2 mL⸿䝌) ḋ ⱘpH 䇗 㟇2 ҹϟˈ 4°C ӊϟ 䭓 ҹ 28 DŽ •ḍ ḋ ԧ⿃ 䞣 ℷ⌟䆩㒧 DŽ

⹂ Ẕ 䳔ⱘ䆩 ϢҾ ˖

•䚏㣃Ѡ䝌⇶䪒(KHP)ˈѢ120 °C ➹ϔ •ϡ ⠽ⱘ ⾏ ∈ •A㑻 䞣⫊ •A㑻⿏⎆ㅵ

0.71. ✻ϟ ⊩䜡 ⌧ Ў30 mg/LⱘCOD ⒊⎆˖

a. ⫼1000 mLϡ ⠽ⱘ ⾏ ∈⒊㾷850mg ➹ⱘKHP ˈ 1000mg/L ⒊⎆DŽ b. ⿏ 3.00 mL1000mg/Lⱘ ⒊⎆ˈ㕂Ѣ100 mL 䞣⫊ЁDŽ c. ⫼ ⾏ ∈⿔䞞㟇 㒓 ⏋ DŽ

2. ⫼2mL 30 mg/LⱘCOD ⒊⎆ҷ ḋ DŽ ✻Ϟ䗄↨㡆⊩⌟䆩⌕⿟䖯㸠⌟䆩DŽ㒧 䆹 30 mg/LDŽ䇋 䯙 㒓䇗 䇈 ˈ ⫼ ⒊⎆ 㒓DŽ

31. ✻ϟ ⊩䜡 ⌧ Ў100 mg/LⱘCOD ⒊⎆˖

a. ⫼1000 mLϡ ⠽ⱘ ⾏ ∈⒊㾷850mg ➹ⱘKHP ˈ 1000mg/L ⒊⎆DŽ b. ⿏ 10 mL1000mg/Lⱘ ⒊⎆ˈ㕂Ѣ100 mL 䞣⫊ЁDŽ c. ⫼ ⾏ ∈⿔䞞㟇 㒓 ⏋ DŽ

2. ⫼2mL 100 mg/LⱘCOD ⒊⎆ҷ ḋ DŽ ✻Ϟ䗄↨㡆⊩⌟䆩⌕⿟䖯㸠⌟䆩DŽ㒧 䆹 100 mg/LDŽ䇋 䯙 㒓䇗 䇈 ˈ ⫼ ⒊⎆ 㒓DŽ

201. ✻ϟ ⊩䜡 ⌧ Ў500 mg/LⱘCOD ⒊⎆˖

a. ⫼1000 mLϡ ⠽ⱘ ⾏ ∈⒊㾷425mg ➹ⱘKHP ˈ 500mg/L ⒊⎆DŽ b. ⏋ DŽ

2. ⫼2mL 500 mg/LⱘCOD ⒊⎆ҷ ḋ DŽ ✻Ϟ䗄↨㡆⊩⌟䆩⌕⿟䖯㸠⌟䆩DŽ㒧 䆹 500 mg/LDŽ䇋 䯙 㒓䇗 䇈 ˈ ⫼ ⒊⎆ 㒓DŽ

2mL 300mg/Lˈ800mg/Lˈ1000mg/LⱘCOD ⒊⎆䖯㸠 ⹂ Ẕ DŽ

200

1. ✻ϟ ⊩䜡 ⌧ Ў10000 mg/LⱘCOD ⒊⎆˖

a. ⫼1000 mLϡ ⠽ⱘ ⾏ ∈⒊㾷8.500g ➹ⱘKHP ˈ 10000mg/L ⒊⎆DŽ

2. ⫼2mL 10000 mg/LⱘCOD ⒊⎆ҷ ḋ DŽ ✻Ϟ䗄↨㡆⊩⌟䆩⌕⿟䖯㸠⌟䆩DŽ㒧 䆹 10000 mg/LDŽ䇋 䯙 㒓䇗 䇈 ˈ ⫼ ⒊⎆ 㒓DŽ

∲ⱘCOD2䆩 կϔ⾡⫼Ѣ䴲∛ Ⳃⱘⱘ ∲⌟䆩DŽ 䖛⿟ ˈCOD2䆩 䰸∲ ⠽ ℸ㡖㑺 ⧚ DŽ䖭ѯ䆩 Ϣ⌟䆩⿟ ˈ 㒓 䅵Ё䖯㸠њ㓪 DŽ ⫼Ѣ⌟䆩 ∃ ⠽ ⇼∈ⱘḋ ˈ ㊒⹂㒧 DŽ

(USEPA) 䖭ѯ䆩 ⫼Ѣ∛ Ⳃⱘⱘ⌟䆩DŽ ЎCOD2䆩 Ёⱘ∲ ϡ 㬑 ˈ∃ ⠽ 䆹⌟䆩 ℷ DŽ⃶䖢㋶ COD 䆩 ⫊ ⤂㓪 ˈҹ㦋 ⡍⅞ ⫼ⱘ䆺 DŽ

DR/2400

80 mg/L COD(Ԣ䞣⿟)

800 mg/LCOD(催䞣⿟) 10000 mg/LCOD(䍙催䞣⿟)

30mg/LCOD(䍙Ԣ䞣⿟) 80 mg/L COD(Ԣ䞣⿟)

800 mg/LCOD(催䞣⿟) 8000 mg/LCOD(䍙催䞣⿟)

30mg/LCOD(䍙Ԣ䞣⿟) 80 mg/L COD(Ԣ䞣⿟)

800 mg/LCOD(催䞣⿟) 10000 mg/LCOD(䍙催䞣⿟)

778ü822 mg/L COD

20 mg/L COD

435 ˄200ü15000 mg/L˅

DR 5000 DR 2800 DR 2700

7850 – 8150 mg/L COD 230 mg/L COD

DR/2500 DR/2400

9780ü10220 mg/L COD

200 mg/L COD

䳔⇻䞣˄COD ˈ ԡ˖mg/L˅ⱘ Н 䆹⿟ ӊϟ↣ ḋ ⍜㗫ⱘO 2ⱘ䞣˄mg ˅DŽ ⊩Ёˈḋ Ϣ⸿䝌ǃϔ

2-⾡ ⇻ ˄䞡䫀䝌䪒˅ϔ䍋 ⛁ϸϾ DŽ ⇻ ⱘ ⏋ ⠽䗮䖛 ˈ 䞡䫀䝌Ⲥ⾏ (Cr2O 7) 䖬 Ў㓓㡆ⱘ䫀⾏ (Cr3+) DŽ

6+

䞛⫼0.7-40.0 3-150 mg/L↨㡆⊩ˈ ҹ⹂ Cr ⱘ⅟⬭䞣DŽ 䞛⫼20-1500 mg/L 200-15,000 mg/L↨㡆⊩ˈ ҹ⹂ Cr 3+ⱘ⫳ 䞣DŽCOD 䆩 䫊⾏ ∲⾏ DŽ䫊 ˈ∲⫼Ѣ ∃ ⠽ⱘ DŽ 䞣⿟ⱘ⌟䆩㒧 ϡ ⊶䭓ⱘ 㾕 ϟ䇏 ⱘDŽ ԧ⊶䭓㾕ϟ㸼DŽ

⅞ ⫼ⱘ䆺 DŽ